diff options
Diffstat (limited to 'arch/arm/mach-bcmring')
65 files changed, 16648 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/Kconfig b/arch/arm/mach-bcmring/Kconfig new file mode 100644 index 0000000..457b438 --- /dev/null +++ b/arch/arm/mach-bcmring/Kconfig @@ -0,0 +1,21 @@ +choice + prompt "Processor selection in BCMRING family of devices" + depends on ARCH_BCMRING + default ARCH_BCM11107 + +config ARCH_FPGA11107 + bool "FPGA11107" + +config ARCH_BCM11107 + bool "BCM11107" +endchoice + +menu "BCMRING Options" + depends on ARCH_BCMRING + +config BCM_ZRELADDR + hex "Compressed ZREL ADDR" + +endmenu + +# source "drivers/char/bcmring/Kconfig" diff --git a/arch/arm/mach-bcmring/Makefile b/arch/arm/mach-bcmring/Makefile new file mode 100644 index 0000000..f8d9fce --- /dev/null +++ b/arch/arm/mach-bcmring/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the linux kernel. +# + +# Object file lists. + +obj-y := arch.o mm.o irq.o clock.o core.o timer.o dma.o +obj-y += csp/ diff --git a/arch/arm/mach-bcmring/Makefile.boot b/arch/arm/mach-bcmring/Makefile.boot new file mode 100644 index 0000000..fb53b28 --- /dev/null +++ b/arch/arm/mach-bcmring/Makefile.boot @@ -0,0 +1,6 @@ +# Address where decompressor will be written and eventually executed. +# +# default to SDRAM +zreladdr-y := $(CONFIG_BCM_ZRELADDR) +params_phys-y := 0x00000800 + diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c new file mode 100644 index 0000000..0da693b --- /dev/null +++ b/arch/arm/mach-bcmring/arch.c @@ -0,0 +1,157 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/spinlock.h> +#include <linux/module.h> + +#include <linux/proc_fs.h> +#include <linux/sysctl.h> + +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/time.h> + +#include <asm/mach/arch.h> +#include <mach/dma.h> +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> +#include <mach/csp/chipcHw_def.h> +#include <mach/csp/chipcHw_inline.h> + +#include <cfg_global.h> + +#include "core.h" + +HW_DECLARE_SPINLOCK(arch) +HW_DECLARE_SPINLOCK(gpio) +#if defined(CONFIG_DEBUG_SPINLOCK) + EXPORT_SYMBOL(bcmring_gpio_reg_lock); +#endif + +/* FIXME: temporary solution */ +#define BCM_SYSCTL_REBOOT_WARM 1 +#define CTL_BCM_REBOOT 112 + +/* sysctl */ +int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */ + +static struct ctl_table_header *bcmring_sysctl_header; + +static struct ctl_table bcmring_sysctl_warm_reboot[] = { + { + .ctl_name = BCM_SYSCTL_REBOOT_WARM, + .procname = "warm", + .data = &bcmring_arch_warm_reboot, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec}, + {} +}; + +static struct ctl_table bcmring_sysctl_reboot[] = { + { + .ctl_name = CTL_BCM_REBOOT, + .procname = "reboot", + .mode = 0555, + .child = bcmring_sysctl_warm_reboot}, + {} +}; + +static struct platform_device nand_device = { + .name = "bcm-nand", + .id = -1, +}; + +static struct platform_device *devices[] __initdata = { + &nand_device, +}; + +/**************************************************************************** +* +* Called from the customize_machine function in arch/arm/kernel/setup.c +* +* The customize_machine function is tagged as an arch_initcall +* (see include/linux/init.h for the order that the various init sections +* are called in. +* +*****************************************************************************/ +static void __init bcmring_init_machine(void) +{ + + bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot); + + /* Enable spread spectrum */ + chipcHw_enableSpreadSpectrum(); + + platform_add_devices(devices, ARRAY_SIZE(devices)); + + bcmring_amba_init(); + + dma_init(); +} + +/**************************************************************************** +* +* Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags +* passed in by the boot loader. +* +*****************************************************************************/ + +static void __init bcmring_fixup(struct machine_desc *desc, + struct tag *t, char **cmdline, struct meminfo *mi) { +#ifdef CONFIG_BLK_DEV_INITRD + printk(KERN_NOTICE "bcmring_fixup\n"); + t->hdr.tag = ATAG_CORE; + t->hdr.size = tag_size(tag_core); + t->u.core.flags = 0; + t->u.core.pagesize = PAGE_SIZE; + t->u.core.rootdev = 31 << 8 | 0; + t = tag_next(t); + + t->hdr.tag = ATAG_MEM; + t->hdr.size = tag_size(tag_mem32); + t->u.mem.start = CFG_GLOBAL_RAM_BASE; + t->u.mem.size = CFG_GLOBAL_RAM_SIZE; + + t = tag_next(t); + + t->hdr.tag = ATAG_NONE; + t->hdr.size = 0; +#endif +} + +/**************************************************************************** +* +* Machine Description +* +*****************************************************************************/ + +MACHINE_START(BCMRING, "BCMRING") + /* Maintainer: Broadcom Corporation */ + .phys_io = MM_IO_START, + .io_pg_offst = (MM_IO_BASE >> 18) & 0xfffc, + .fixup = bcmring_fixup, + .map_io = bcmring_map_io, + .init_irq = bcmring_init_irq, + .timer = &bcmring_timer, + .init_machine = bcmring_init_machine +MACHINE_END diff --git a/arch/arm/mach-bcmring/clock.c b/arch/arm/mach-bcmring/clock.c new file mode 100644 index 0000000..14bafc3 --- /dev/null +++ b/arch/arm/mach-bcmring/clock.c @@ -0,0 +1,224 @@ +/***************************************************************************** +* Copyright 2001 - 2009 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/clk.h> +#include <linux/spinlock.h> +#include <mach/csp/hw_cfg.h> +#include <mach/csp/chipcHw_def.h> +#include <mach/csp/chipcHw_reg.h> +#include <mach/csp/chipcHw_inline.h> + +#include <asm/clkdev.h> + +#include "clock.h" + +#define clk_is_primary(x) ((x)->type & CLK_TYPE_PRIMARY) +#define clk_is_pll1(x) ((x)->type & CLK_TYPE_PLL1) +#define clk_is_pll2(x) ((x)->type & CLK_TYPE_PLL2) +#define clk_is_programmable(x) ((x)->type & CLK_TYPE_PROGRAMMABLE) +#define clk_is_bypassable(x) ((x)->type & CLK_TYPE_BYPASSABLE) + +#define clk_is_using_xtal(x) ((x)->mode & CLK_MODE_XTAL) + +static DEFINE_SPINLOCK(clk_lock); + +static void __clk_enable(struct clk *clk) +{ + if (!clk) + return; + + /* enable parent clock first */ + if (clk->parent) + __clk_enable(clk->parent); + + if (clk->use_cnt++ == 0) { + if (clk_is_pll1(clk)) { /* PLL1 */ + chipcHw_pll1Enable(clk->rate_hz, 0); + } else if (clk_is_pll2(clk)) { /* PLL2 */ + chipcHw_pll2Enable(clk->rate_hz); + } else if (clk_is_using_xtal(clk)) { /* source is crystal */ + if (!clk_is_primary(clk)) + chipcHw_bypassClockEnable(clk->csp_id); + } else { /* source is PLL */ + chipcHw_setClockEnable(clk->csp_id); + } + } +} + +int clk_enable(struct clk *clk) +{ + unsigned long flags; + + if (!clk) + return -EINVAL; + + spin_lock_irqsave(&clk_lock, flags); + __clk_enable(clk); + spin_unlock_irqrestore(&clk_lock, flags); + + return 0; +} +EXPORT_SYMBOL(clk_enable); + +static void __clk_disable(struct clk *clk) +{ + if (!clk) + return; + + BUG_ON(clk->use_cnt == 0); + + if (--clk->use_cnt == 0) { + if (clk_is_pll1(clk)) { /* PLL1 */ + chipcHw_pll1Disable(); + } else if (clk_is_pll2(clk)) { /* PLL2 */ + chipcHw_pll2Disable(); + } else if (clk_is_using_xtal(clk)) { /* source is crystal */ + if (!clk_is_primary(clk)) + chipcHw_bypassClockDisable(clk->csp_id); + } else { /* source is PLL */ + chipcHw_setClockDisable(clk->csp_id); + } + } + + if (clk->parent) + __clk_disable(clk->parent); +} + +void clk_disable(struct clk *clk) +{ + unsigned long flags; + + if (!clk) + return; + + spin_lock_irqsave(&clk_lock, flags); + __clk_disable(clk); + spin_unlock_irqrestore(&clk_lock, flags); +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + if (!clk) + return 0; + + return clk->rate_hz; +} +EXPORT_SYMBOL(clk_get_rate); + +long clk_round_rate(struct clk *clk, unsigned long rate) +{ + unsigned long flags; + unsigned long actual; + unsigned long rate_hz; + + if (!clk) + return -EINVAL; + + if (!clk_is_programmable(clk)) + return -EINVAL; + + if (clk->use_cnt) + return -EBUSY; + + spin_lock_irqsave(&clk_lock, flags); + actual = clk->parent->rate_hz; + rate_hz = min(actual, rate); + spin_unlock_irqrestore(&clk_lock, flags); + + return rate_hz; +} +EXPORT_SYMBOL(clk_round_rate); + +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long flags; + unsigned long actual; + unsigned long rate_hz; + + if (!clk) + return -EINVAL; + + if (!clk_is_programmable(clk)) + return -EINVAL; + + if (clk->use_cnt) + return -EBUSY; + + spin_lock_irqsave(&clk_lock, flags); + actual = clk->parent->rate_hz; + rate_hz = min(actual, rate); + rate_hz = chipcHw_setClockFrequency(clk->csp_id, rate_hz); + clk->rate_hz = rate_hz; + spin_unlock_irqrestore(&clk_lock, flags); + + return 0; +} +EXPORT_SYMBOL(clk_set_rate); + +struct clk *clk_get_parent(struct clk *clk) +{ + if (!clk) + return NULL; + + return clk->parent; +} +EXPORT_SYMBOL(clk_get_parent); + +int clk_set_parent(struct clk *clk, struct clk *parent) +{ + unsigned long flags; + struct clk *old_parent; + + if (!clk || !parent) + return -EINVAL; + + if (!clk_is_primary(parent) || !clk_is_bypassable(clk)) + return -EINVAL; + + /* if more than one user, parent is not allowed */ + if (clk->use_cnt > 1) + return -EBUSY; + + if (clk->parent == parent) + return 0; + + spin_lock_irqsave(&clk_lock, flags); + old_parent = clk->parent; + clk->parent = parent; + if (clk_is_using_xtal(parent)) + clk->mode |= CLK_MODE_XTAL; + else + clk->mode &= (~CLK_MODE_XTAL); + + /* if clock is active */ + if (clk->use_cnt != 0) { + clk->use_cnt--; + /* enable clock with the new parent */ + __clk_enable(clk); + /* disable the old parent */ + __clk_disable(old_parent); + } + spin_unlock_irqrestore(&clk_lock, flags); + + return 0; +} +EXPORT_SYMBOL(clk_set_parent); diff --git a/arch/arm/mach-bcmring/clock.h b/arch/arm/mach-bcmring/clock.h new file mode 100644 index 0000000..5e0b981 --- /dev/null +++ b/arch/arm/mach-bcmring/clock.h @@ -0,0 +1,33 @@ +/***************************************************************************** +* Copyright 2001 - 2009 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ +#include <mach/csp/chipcHw_def.h> + +#define CLK_TYPE_PRIMARY 1 /* primary clock must NOT have a parent */ +#define CLK_TYPE_PLL1 2 /* PPL1 */ +#define CLK_TYPE_PLL2 4 /* PPL2 */ +#define CLK_TYPE_PROGRAMMABLE 8 /* programmable clock rate */ +#define CLK_TYPE_BYPASSABLE 16 /* parent can be changed */ + +#define CLK_MODE_XTAL 1 /* clock source is from crystal */ + +struct clk { + const char *name; /* clock name */ + unsigned int type; /* clock type */ + unsigned int mode; /* current mode */ + volatile int use_bypass; /* indicate if it's in bypass mode */ + chipcHw_CLOCK_e csp_id; /* clock ID for CSP CHIPC */ + unsigned long rate_hz; /* clock rate in Hz */ + unsigned int use_cnt; /* usage count */ + struct clk *parent; /* parent clock */ +}; diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c new file mode 100644 index 0000000..492c649 --- /dev/null +++ b/arch/arm/mach-bcmring/core.c @@ -0,0 +1,367 @@ +/* + * derived from linux/arch/arm/mach-versatile/core.c + * linux/arch/arm/mach-bcmring/core.c + * + * Copyright (C) 1999 - 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +/* Portions copyright Broadcom 2008 */ + +#include <linux/init.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/sysdev.h> +#include <linux/interrupt.h> +#include <linux/amba/bus.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> + +#include <linux/amba/bus.h> +#include <mach/csp/mm_addr.h> +#include <mach/hardware.h> +#include <asm/clkdev.h> +#include <linux/io.h> +#include <asm/irq.h> +#include <asm/hardware/arm_timer.h> +#include <asm/mach-types.h> + +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> +#include <asm/mach/irq.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> +#include <asm/mach/mmc.h> + +#include <cfg_global.h> + +#include "clock.h" + +#include <csp/secHw.h> +#include <mach/csp/secHw_def.h> +#include <mach/csp/chipcHw_inline.h> +#include <mach/csp/tmrHw_reg.h> + +#define AMBA_DEVICE(name, initname, base, plat, size) \ +static struct amba_device name##_device = { \ + .dev = { \ + .coherent_dma_mask = ~0, \ + .init_name = initname, \ + .platform_data = plat \ + }, \ + .res = { \ + .start = MM_ADDR_IO_##base, \ + .end = MM_ADDR_IO_##base + (size) - 1, \ + .flags = IORESOURCE_MEM \ + }, \ + .dma_mask = ~0, \ + .irq = { \ + IRQ_##base \ + } \ +} + + +AMBA_DEVICE(uartA, "uarta", UARTA, NULL, SZ_4K); +AMBA_DEVICE(uartB, "uartb", UARTB, NULL, SZ_4K); + +static struct clk pll1_clk = { + .name = "PLL1", + .type = CLK_TYPE_PRIMARY | CLK_TYPE_PLL1, + .rate_hz = 2000000000, + .use_cnt = 7, +}; + +static struct clk uart_clk = { + .name = "UART", + .type = CLK_TYPE_PROGRAMMABLE, + .csp_id = chipcHw_CLOCK_UART, + .rate_hz = HW_CFG_UART_CLK_HZ, + .parent = &pll1_clk, +}; + +static struct clk_lookup lookups[] = { + { /* UART0 */ + .dev_id = "uarta", + .clk = &uart_clk, + }, { /* UART1 */ + .dev_id = "uartb", + .clk = &uart_clk, + } +}; + +static struct amba_device *amba_devs[] __initdata = { + &uartA_device, + &uartB_device, +}; + +void __init bcmring_amba_init(void) +{ + int i; + u32 bus_clock; + +/* Linux is run initially in non-secure mode. Secure peripherals */ +/* generate FIQ, and must be handled in secure mode. Until we have */ +/* a linux security monitor implementation, keep everything in */ +/* non-secure mode. */ + chipcHw_busInterfaceClockEnable(chipcHw_REG_BUS_CLOCK_SPU); + secHw_setUnsecure(secHw_BLK_MASK_CHIP_CONTROL | + secHw_BLK_MASK_KEY_SCAN | + secHw_BLK_MASK_TOUCH_SCREEN | + secHw_BLK_MASK_UART0 | + secHw_BLK_MASK_UART1 | + secHw_BLK_MASK_WATCHDOG | + secHw_BLK_MASK_SPUM | + secHw_BLK_MASK_DDR2 | + secHw_BLK_MASK_SPU | + secHw_BLK_MASK_PKA | + secHw_BLK_MASK_RNG | + secHw_BLK_MASK_RTC | + secHw_BLK_MASK_OTP | + secHw_BLK_MASK_BOOT | + secHw_BLK_MASK_MPU | + secHw_BLK_MASK_TZCTRL | secHw_BLK_MASK_INTR); + + /* Only the devices attached to the AMBA bus are enabled just before the bus is */ + /* scanned and the drivers are loaded. The clocks need to be on for the AMBA bus */ + /* driver to access these blocks. The bus is probed, and the drivers are loaded. */ + /* FIXME Need to remove enable of PIF once CLCD clock enable used properly in FPGA. */ + bus_clock = chipcHw_REG_BUS_CLOCK_GE + | chipcHw_REG_BUS_CLOCK_SDIO0 | chipcHw_REG_BUS_CLOCK_SDIO1; + + chipcHw_busInterfaceClockEnable(bus_clock); + + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); + + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); + } +} + +/* + * Where is the timer (VA)? + */ +#define TIMER0_VA_BASE MM_IO_BASE_TMR +#define TIMER1_VA_BASE (MM_IO_BASE_TMR + 0x20) +#define TIMER2_VA_BASE (MM_IO_BASE_TMR + 0x40) +#define TIMER3_VA_BASE (MM_IO_BASE_TMR + 0x60) + +/* Timer 0 - 25 MHz, Timer3 at bus clock rate, typically 150-166 MHz */ +#if defined(CONFIG_ARCH_FPGA11107) +/* fpga cpu/bus are currently 30 times slower so scale frequency as well to */ +/* slow down Linux's sense of time */ +#define TIMER0_FREQUENCY_MHZ (tmrHw_LOW_FREQUENCY_MHZ * 30) +#define TIMER1_FREQUENCY_MHZ (tmrHw_LOW_FREQUENCY_MHZ * 30) +#define TIMER3_FREQUENCY_MHZ (tmrHw_HIGH_FREQUENCY_MHZ * 30) +#define TIMER3_FREQUENCY_KHZ (tmrHw_HIGH_FREQUENCY_HZ / 1000 * 30) +#else +#define TIMER0_FREQUENCY_MHZ tmrHw_LOW_FREQUENCY_MHZ +#define TIMER1_FREQUENCY_MHZ tmrHw_LOW_FREQUENCY_MHZ +#define TIMER3_FREQUENCY_MHZ tmrHw_HIGH_FREQUENCY_MHZ +#define TIMER3_FREQUENCY_KHZ (tmrHw_HIGH_FREQUENCY_HZ / 1000) +#endif + +#define TICKS_PER_uSEC TIMER0_FREQUENCY_MHZ + +/* + * These are useconds NOT ticks. + * + */ +#define mSEC_1 1000 +#define mSEC_5 (mSEC_1 * 5) +#define mSEC_10 (mSEC_1 * 10) +#define mSEC_25 (mSEC_1 * 25) +#define SEC_1 (mSEC_1 * 1000) + +/* + * How long is the timer interval? + */ +#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10) +#if TIMER_INTERVAL >= 0x100000 +#define TIMER_RELOAD (TIMER_INTERVAL >> 8) +#define TIMER_DIVISOR (TIMER_CTRL_DIV256) +#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC) +#elif TIMER_INTERVAL >= 0x10000 +#define TIMER_RELOAD (TIMER_INTERVAL >> 4) /* Divide by 16 */ +#define TIMER_DIVISOR (TIMER_CTRL_DIV16) +#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC) +#else +#define TIMER_RELOAD (TIMER_INTERVAL) +#define TIMER_DIVISOR (TIMER_CTRL_DIV1) +#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC) +#endif + +static void timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + unsigned long ctrl; + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_LOAD); + + ctrl = TIMER_CTRL_PERIODIC; + ctrl |= + TIMER_DIVISOR | TIMER_CTRL_32BIT | TIMER_CTRL_IE | + TIMER_CTRL_ENABLE; + break; + case CLOCK_EVT_MODE_ONESHOT: + /* period set, and timer enabled in 'next_event' hook */ + ctrl = TIMER_CTRL_ONESHOT; + ctrl |= TIMER_DIVISOR | TIMER_CTRL_32BIT | TIMER_CTRL_IE; + break; + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + default: + ctrl = 0; + } + + writel(ctrl, TIMER0_VA_BASE + TIMER_CTRL); +} + +static int timer_set_next_event(unsigned long evt, + struct clock_event_device *unused) +{ + unsigned long ctrl = readl(TIMER0_VA_BASE + TIMER_CTRL); + + writel(evt, TIMER0_VA_BASE + TIMER_LOAD); + writel(ctrl | TIMER_CTRL_ENABLE, TIMER0_VA_BASE + TIMER_CTRL); + + return 0; +} + +static struct clock_event_device timer0_clockevent = { + .name = "timer0", + .shift = 32, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = timer_set_mode, + .set_next_event = timer_set_next_event, +}; + +/* + * IRQ handler for the timer + */ +static irqreturn_t bcmring_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = &timer0_clockevent; + + writel(1, TIMER0_VA_BASE + TIMER_INTCLR); + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct irqaction bcmring_timer_irq = { + .name = "bcmring Timer Tick", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = bcmring_timer_interrupt, +}; + +static cycle_t bcmring_get_cycles_timer1(void) +{ + return ~readl(TIMER1_VA_BASE + TIMER_VALUE); +} + +static cycle_t bcmring_get_cycles_timer3(void) +{ + return ~readl(TIMER3_VA_BASE + TIMER_VALUE); +} + +static struct clocksource clocksource_bcmring_timer1 = { + .name = "timer1", + .rating = 200, + .read = bcmring_get_cycles_timer1, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static struct clocksource clocksource_bcmring_timer3 = { + .name = "timer3", + .rating = 100, + .read = bcmring_get_cycles_timer3, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static int __init bcmring_clocksource_init(void) +{ + /* setup timer1 as free-running clocksource */ + writel(0, TIMER1_VA_BASE + TIMER_CTRL); + writel(0xffffffff, TIMER1_VA_BASE + TIMER_LOAD); + writel(0xffffffff, TIMER1_VA_BASE + TIMER_VALUE); + writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC, + TIMER1_VA_BASE + TIMER_CTRL); + + clocksource_bcmring_timer1.mult = + clocksource_khz2mult(TIMER1_FREQUENCY_MHZ * 1000, + clocksource_bcmring_timer1.shift); + clocksource_register(&clocksource_bcmring_timer1); + + /* setup timer3 as free-running clocksource */ + writel(0, TIMER3_VA_BASE + TIMER_CTRL); + writel(0xffffffff, TIMER3_VA_BASE + TIMER_LOAD); + writel(0xffffffff, TIMER3_VA_BASE + TIMER_VALUE); + writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC, + TIMER3_VA_BASE + TIMER_CTRL); + + clocksource_bcmring_timer3.mult = + clocksource_khz2mult(TIMER3_FREQUENCY_KHZ, + clocksource_bcmring_timer3.shift); + clocksource_register(&clocksource_bcmring_timer3); + + return 0; +} + +/* + * Set up timer interrupt, and return the current time in seconds. + */ +void __init bcmring_init_timer(void) +{ + printk(KERN_INFO "bcmring_init_timer\n"); + /* + * Initialise to a known state (all timers off) + */ + writel(0, TIMER0_VA_BASE + TIMER_CTRL); + writel(0, TIMER1_VA_BASE + TIMER_CTRL); + writel(0, TIMER2_VA_BASE + TIMER_CTRL); + writel(0, TIMER3_VA_BASE + TIMER_CTRL); + + /* + * Make irqs happen for the system timer + */ + setup_irq(IRQ_TIMER0, &bcmring_timer_irq); + + bcmring_clocksource_init(); + + timer0_clockevent.mult = + div_sc(1000000, NSEC_PER_SEC, timer0_clockevent.shift); + timer0_clockevent.max_delta_ns = + clockevent_delta2ns(0xffffffff, &timer0_clockevent); + timer0_clockevent.min_delta_ns = + clockevent_delta2ns(0xf, &timer0_clockevent); + + timer0_clockevent.cpumask = cpumask_of(0); + clockevents_register_device(&timer0_clockevent); +} + +struct sys_timer bcmring_timer = { + .init = bcmring_init_timer, +}; diff --git a/arch/arm/mach-bcmring/core.h b/arch/arm/mach-bcmring/core.h new file mode 100644 index 0000000..b197ba4 --- /dev/null +++ b/arch/arm/mach-bcmring/core.h @@ -0,0 +1,30 @@ +/* + * linux/arch/arm/mach-versatile/core.h + * + * Copyright (C) 2004 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +/* Portions copyright Broadcom 2008 */ +#ifndef __ASM_ARCH_BCMRING_H +#define __ASM_ARCH_BCMRING_H + +void __init bcmring_amba_init(void); +void __init bcmring_map_io(void); +void __init bcmring_init_irq(void); + +extern struct sys_timer bcmring_timer; +#endif diff --git a/arch/arm/mach-bcmring/csp/Makefile b/arch/arm/mach-bcmring/csp/Makefile new file mode 100644 index 0000000..648c037 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/Makefile @@ -0,0 +1,3 @@ +obj-y += dmac/ +obj-y += tmr/ +obj-y += chipc/ diff --git a/arch/arm/mach-bcmring/csp/chipc/Makefile b/arch/arm/mach-bcmring/csp/chipc/Makefile new file mode 100644 index 0000000..6739527 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/chipc/Makefile @@ -0,0 +1 @@ +obj-y += chipcHw.o chipcHw_str.o chipcHw_reset.o chipcHw_init.o diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw.c new file mode 100644 index 0000000..b3a61d8 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/chipc/chipcHw.c @@ -0,0 +1,776 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file chipcHw.c +* +* @brief Low level Various CHIP clock controlling routines +* +* @note +* +* These routines provide basic clock controlling functionality only. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/errno.h> +#include <csp/stdint.h> +#include <csp/module.h> + +#include <mach/csp/chipcHw_def.h> +#include <mach/csp/chipcHw_inline.h> + +#include <csp/reg.h> +#include <csp/delay.h> + +/* ---- Private Constants and Types --------------------------------------- */ + +/* VPM alignment algorithm uses this */ +#define MAX_PHASE_ADJUST_COUNT 0xFFFF /* Max number of times allowed to adjust the phase */ +#define MAX_PHASE_ALIGN_ATTEMPTS 10 /* Max number of attempt to align the phase */ + +/* Local definition of clock type */ +#define PLL_CLOCK 1 /* PLL Clock */ +#define NON_PLL_CLOCK 2 /* Divider clock */ + +static int chipcHw_divide(int num, int denom) + __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Set clock fequency for miscellaneous configurable clocks +* +* This function sets clock frequency +* +* @return Configured clock frequency in hertz +* +*/ +/****************************************************************************/ +chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ) { + volatile uint32_t *pPLLReg = (uint32_t *) 0x0; + volatile uint32_t *pClockCtrl = (uint32_t *) 0x0; + volatile uint32_t *pDependentClock = (uint32_t *) 0x0; + uint32_t vcoFreqPll1Hz = 0; /* Effective VCO frequency for PLL1 in Hz */ + uint32_t vcoFreqPll2Hz = 0; /* Effective VCO frequency for PLL2 in Hz */ + uint32_t dependentClockType = 0; + uint32_t vcoHz = 0; + + /* Get VCO frequencies */ + if ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) { + uint64_t adjustFreq = 0; + + vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + + /* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */ + adjustFreq = (uint64_t) chipcHw_XTAL_FREQ_Hz * + (uint64_t) chipcHw_REG_PLL_DIVIDER_NDIV_f_SS * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, (chipcHw_REG_PLL_PREDIVIDER_P2 * (uint64_t) chipcHw_REG_PLL_DIVIDER_FRAC)); + vcoFreqPll1Hz += (uint32_t) adjustFreq; + } else { + vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + } + vcoFreqPll2Hz = + chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider2 & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + + switch (clock) { + case chipcHw_CLOCK_DDR: + pPLLReg = &pChipcHw->DDRClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ARM: + pPLLReg = &pChipcHw->ARMClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ESW: + pPLLReg = &pChipcHw->ESWClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_VPM: + pPLLReg = &pChipcHw->VPMClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ESW125: + pPLLReg = &pChipcHw->ESW125Clock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_UART: + pPLLReg = &pChipcHw->UARTClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SDIO0: + pPLLReg = &pChipcHw->SDIO0Clock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SDIO1: + pPLLReg = &pChipcHw->SDIO1Clock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SPI: + pPLLReg = &pChipcHw->SPIClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ETM: + pPLLReg = &pChipcHw->ETMClock; + vcoHz = vcoFreqPll1Hz; + break; + case chipcHw_CLOCK_USB: + pPLLReg = &pChipcHw->USBClock; + vcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_LCD: + pPLLReg = &pChipcHw->LCDClock; + vcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_APM: + pPLLReg = &pChipcHw->APMClock; + vcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_BUS: + pClockCtrl = &pChipcHw->ACLKClock; + pDependentClock = &pChipcHw->ARMClock; + vcoHz = vcoFreqPll1Hz; + dependentClockType = PLL_CLOCK; + break; + case chipcHw_CLOCK_OTP: + pClockCtrl = &pChipcHw->OTPClock; + break; + case chipcHw_CLOCK_I2C: + pClockCtrl = &pChipcHw->I2CClock; + break; + case chipcHw_CLOCK_I2S0: + pClockCtrl = &pChipcHw->I2S0Clock; + break; + case chipcHw_CLOCK_RTBUS: + pClockCtrl = &pChipcHw->RTBUSClock; + pDependentClock = &pChipcHw->ACLKClock; + dependentClockType = NON_PLL_CLOCK; + break; + case chipcHw_CLOCK_APM100: + pClockCtrl = &pChipcHw->APM100Clock; + pDependentClock = &pChipcHw->APMClock; + vcoHz = vcoFreqPll2Hz; + dependentClockType = PLL_CLOCK; + break; + case chipcHw_CLOCK_TSC: + pClockCtrl = &pChipcHw->TSCClock; + break; + case chipcHw_CLOCK_LED: + pClockCtrl = &pChipcHw->LEDClock; + break; + case chipcHw_CLOCK_I2S1: + pClockCtrl = &pChipcHw->I2S1Clock; + break; + } + + if (pPLLReg) { + /* Obtain PLL clock frequency */ + if (*pPLLReg & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) { + /* Return crystal clock frequency when bypassed */ + return chipcHw_XTAL_FREQ_Hz; + } else if (clock == chipcHw_CLOCK_DDR) { + /* DDR frequency is configured in PLLDivider register */ + return chipcHw_divide (vcoHz, (((pChipcHw->PLLDivider & 0xFF000000) >> 24) ? ((pChipcHw->PLLDivider & 0xFF000000) >> 24) : 256)); + } else { + /* From chip revision number B0, LCD clock is internally divided by 2 */ + if ((pPLLReg == &pChipcHw->LCDClock) && (chipcHw_getChipRevisionNumber() != chipcHw_REV_NUMBER_A0)) { + vcoHz >>= 1; + } + /* Obtain PLL clock frequency using VCO dividers */ + return chipcHw_divide(vcoHz, ((*pPLLReg & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ? (*pPLLReg & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256)); + } + } else if (pClockCtrl) { + /* Obtain divider clock frequency */ + uint32_t div; + uint32_t freq = 0; + + if (*pClockCtrl & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) { + /* Return crystal clock frequency when bypassed */ + return chipcHw_XTAL_FREQ_Hz; + } else if (pDependentClock) { + /* Identify the dependent clock frequency */ + switch (dependentClockType) { + case PLL_CLOCK: + if (*pDependentClock & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) { + /* Use crystal clock frequency when dependent PLL clock is bypassed */ + freq = chipcHw_XTAL_FREQ_Hz; + } else { + /* Obtain PLL clock frequency using VCO dividers */ + div = *pDependentClock & chipcHw_REG_PLL_CLOCK_MDIV_MASK; + freq = div ? chipcHw_divide(vcoHz, div) : 0; + } + break; + case NON_PLL_CLOCK: + if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) { + freq = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS); + } else { + if (*pDependentClock & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) { + /* Use crystal clock frequency when dependent divider clock is bypassed */ + freq = chipcHw_XTAL_FREQ_Hz; + } else { + /* Obtain divider clock frequency using XTAL dividers */ + div = *pDependentClock & chipcHw_REG_DIV_CLOCK_DIV_MASK; + freq = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, (div ? div : 256)); + } + } + break; + } + } else { + /* Dependent on crystal clock */ + freq = chipcHw_XTAL_FREQ_Hz; + } + + div = *pClockCtrl & chipcHw_REG_DIV_CLOCK_DIV_MASK; + return chipcHw_divide(freq, (div ? div : 256)); + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Set clock fequency for miscellaneous configurable clocks +* +* This function sets clock frequency +* +* @return Configured clock frequency in Hz +* +*/ +/****************************************************************************/ +chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configurable clock */ + uint32_t freq /* [ IN ] Clock frequency in Hz */ + ) { + volatile uint32_t *pPLLReg = (uint32_t *) 0x0; + volatile uint32_t *pClockCtrl = (uint32_t *) 0x0; + volatile uint32_t *pDependentClock = (uint32_t *) 0x0; + uint32_t vcoFreqPll1Hz = 0; /* Effective VCO frequency for PLL1 in Hz */ + uint32_t desVcoFreqPll1Hz = 0; /* Desired VCO frequency for PLL1 in Hz */ + uint32_t vcoFreqPll2Hz = 0; /* Effective VCO frequency for PLL2 in Hz */ + uint32_t dependentClockType = 0; + uint32_t vcoHz = 0; + uint32_t desVcoHz = 0; + + /* Get VCO frequencies */ + if ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) { + uint64_t adjustFreq = 0; + + vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + + /* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */ + adjustFreq = (uint64_t) chipcHw_XTAL_FREQ_Hz * + (uint64_t) chipcHw_REG_PLL_DIVIDER_NDIV_f_SS * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, (chipcHw_REG_PLL_PREDIVIDER_P2 * (uint64_t) chipcHw_REG_PLL_DIVIDER_FRAC)); + vcoFreqPll1Hz += (uint32_t) adjustFreq; + + /* Desired VCO frequency */ + desVcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + (((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) + 1); + } else { + vcoFreqPll1Hz = desVcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz * + chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + } + vcoFreqPll2Hz = chipcHw_XTAL_FREQ_Hz * chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) * + ((pChipcHw->PLLPreDivider2 & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >> + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT); + + switch (clock) { + case chipcHw_CLOCK_DDR: + /* Configure the DDR_ctrl:BUS ratio settings */ + { + REG_LOCAL_IRQ_SAVE; + /* Dvide DDR_phy by two to obtain DDR_ctrl clock */ + pChipcHw->DDRClock = (pChipcHw->DDRClock & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((((freq / 2) / chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1) + << chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT); + REG_LOCAL_IRQ_RESTORE; + } + pPLLReg = &pChipcHw->DDRClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ARM: + pPLLReg = &pChipcHw->ARMClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ESW: + pPLLReg = &pChipcHw->ESWClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_VPM: + /* Configure the VPM:BUS ratio settings */ + { + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMClock = (pChipcHw->VPMClock & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((chipcHw_divide (freq, chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1) + << chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT); + REG_LOCAL_IRQ_RESTORE; + } + pPLLReg = &pChipcHw->VPMClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ESW125: + pPLLReg = &pChipcHw->ESW125Clock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_UART: + pPLLReg = &pChipcHw->UARTClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SDIO0: + pPLLReg = &pChipcHw->SDIO0Clock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SDIO1: + pPLLReg = &pChipcHw->SDIO1Clock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_SPI: + pPLLReg = &pChipcHw->SPIClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_ETM: + pPLLReg = &pChipcHw->ETMClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + break; + case chipcHw_CLOCK_USB: + pPLLReg = &pChipcHw->USBClock; + vcoHz = vcoFreqPll2Hz; + desVcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_LCD: + pPLLReg = &pChipcHw->LCDClock; + vcoHz = vcoFreqPll2Hz; + desVcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_APM: + pPLLReg = &pChipcHw->APMClock; + vcoHz = vcoFreqPll2Hz; + desVcoHz = vcoFreqPll2Hz; + break; + case chipcHw_CLOCK_BUS: + pClockCtrl = &pChipcHw->ACLKClock; + pDependentClock = &pChipcHw->ARMClock; + vcoHz = vcoFreqPll1Hz; + desVcoHz = desVcoFreqPll1Hz; + dependentClockType = PLL_CLOCK; + break; + case chipcHw_CLOCK_OTP: + pClockCtrl = &pChipcHw->OTPClock; + break; + case chipcHw_CLOCK_I2C: + pClockCtrl = &pChipcHw->I2CClock; + break; + case chipcHw_CLOCK_I2S0: + pClockCtrl = &pChipcHw->I2S0Clock; + break; + case chipcHw_CLOCK_RTBUS: + pClockCtrl = &pChipcHw->RTBUSClock; + pDependentClock = &pChipcHw->ACLKClock; + dependentClockType = NON_PLL_CLOCK; + break; + case chipcHw_CLOCK_APM100: + pClockCtrl = &pChipcHw->APM100Clock; + pDependentClock = &pChipcHw->APMClock; + vcoHz = vcoFreqPll2Hz; + desVcoHz = vcoFreqPll2Hz; + dependentClockType = PLL_CLOCK; + break; + case chipcHw_CLOCK_TSC: + pClockCtrl = &pChipcHw->TSCClock; + break; + case chipcHw_CLOCK_LED: + pClockCtrl = &pChipcHw->LEDClock; + break; + case chipcHw_CLOCK_I2S1: + pClockCtrl = &pChipcHw->I2S1Clock; + break; + } + + if (pPLLReg) { + /* Select XTAL as bypass source */ + reg32_modify_and(pPLLReg, ~chipcHw_REG_PLL_CLOCK_SOURCE_GPIO); + reg32_modify_or(pPLLReg, chipcHw_REG_PLL_CLOCK_BYPASS_SELECT); + /* For DDR settings use only the PLL divider clock */ + if (pPLLReg == &pChipcHw->DDRClock) { + /* Set M1DIV for PLL1, which controls the DDR clock */ + reg32_write(&pChipcHw->PLLDivider, (pChipcHw->PLLDivider & 0x00FFFFFF) | ((chipcHw_REG_PLL_DIVIDER_MDIV (desVcoHz, freq)) << 24)); + /* Calculate expected frequency */ + freq = chipcHw_divide(vcoHz, (((pChipcHw->PLLDivider & 0xFF000000) >> 24) ? ((pChipcHw->PLLDivider & 0xFF000000) >> 24) : 256)); + } else { + /* From chip revision number B0, LCD clock is internally divided by 2 */ + if ((pPLLReg == &pChipcHw->LCDClock) && (chipcHw_getChipRevisionNumber() != chipcHw_REV_NUMBER_A0)) { + desVcoHz >>= 1; + vcoHz >>= 1; + } + /* Set MDIV to change the frequency */ + reg32_modify_and(pPLLReg, ~(chipcHw_REG_PLL_CLOCK_MDIV_MASK)); + reg32_modify_or(pPLLReg, chipcHw_REG_PLL_DIVIDER_MDIV(desVcoHz, freq)); + /* Calculate expected frequency */ + freq = chipcHw_divide(vcoHz, ((*(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ? (*(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256)); + } + /* Wait for for atleast 200ns as per the protocol to change frequency */ + udelay(1); + /* Do not bypass */ + reg32_modify_and(pPLLReg, ~chipcHw_REG_PLL_CLOCK_BYPASS_SELECT); + /* Return the configured frequency */ + return freq; + } else if (pClockCtrl) { + uint32_t divider = 0; + + /* Divider clock should not be bypassed */ + reg32_modify_and(pClockCtrl, + ~chipcHw_REG_DIV_CLOCK_BYPASS_SELECT); + + /* Identify the clock source */ + if (pDependentClock) { + switch (dependentClockType) { + case PLL_CLOCK: + divider = chipcHw_divide(chipcHw_divide (desVcoHz, (*pDependentClock & chipcHw_REG_PLL_CLOCK_MDIV_MASK)), freq); + break; + case NON_PLL_CLOCK: + { + uint32_t sourceClock = 0; + + if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) { + sourceClock = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS); + } else { + uint32_t div = *pDependentClock & chipcHw_REG_DIV_CLOCK_DIV_MASK; + sourceClock = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, ((div) ? div : 256)); + } + divider = chipcHw_divide(sourceClock, freq); + } + break; + } + } else { + divider = chipcHw_divide(chipcHw_XTAL_FREQ_Hz, freq); + } + + if (divider) { + REG_LOCAL_IRQ_SAVE; + /* Set the divider to obtain the required frequency */ + *pClockCtrl = (*pClockCtrl & (~chipcHw_REG_DIV_CLOCK_DIV_MASK)) | (((divider > 256) ? chipcHw_REG_DIV_CLOCK_DIV_256 : divider) & chipcHw_REG_DIV_CLOCK_DIV_MASK); + REG_LOCAL_IRQ_RESTORE; + return freq; + } + } + + return 0; +} + +EXPORT_SYMBOL(chipcHw_setClockFrequency); + +/****************************************************************************/ +/** +* @brief Set VPM clock in sync with BUS clock for Chip Rev #A0 +* +* This function does the phase adjustment between VPM and BUS clock +* +* @return >= 0 : On success (# of adjustment required) +* -1 : On failure +* +*/ +/****************************************************************************/ +static int vpmPhaseAlignA0(void) +{ + uint32_t phaseControl; + uint32_t phaseValue; + uint32_t prevPhaseComp; + int iter = 0; + int adjustCount = 0; + int count = 0; + + for (iter = 0; (iter < MAX_PHASE_ALIGN_ATTEMPTS) && (adjustCount < MAX_PHASE_ADJUST_COUNT); iter++) { + phaseControl = (pChipcHw->VPMClock & chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT; + phaseValue = 0; + prevPhaseComp = 0; + + /* Step 1: Look for falling PH_COMP transition */ + + /* Read the contents of VPM Clock resgister */ + phaseValue = pChipcHw->VPMClock; + do { + /* Store previous value of phase comparator */ + prevPhaseComp = phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP; + /* Change the value of PH_CTRL. */ + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + /* Read the contents of VPM Clock resgister. */ + phaseValue = pChipcHw->VPMClock; + + if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) { + phaseControl = (0x3F & (phaseControl - 1)); + } else { + /* Increment to the Phase count value for next write, if Phase is not stable. */ + phaseControl = (0x3F & (phaseControl + 1)); + } + /* Count number of adjustment made */ + adjustCount++; + } while (((prevPhaseComp == (phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP)) || /* Look for a transition */ + ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) != 0x0)) && /* Look for a falling edge */ + (adjustCount < MAX_PHASE_ADJUST_COUNT) /* Do not exceed the limit while trying */ + ); + + if (adjustCount >= MAX_PHASE_ADJUST_COUNT) { + /* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */ + return -1; + } + + /* Step 2: Keep moving forward to make sure falling PH_COMP transition was valid */ + + for (count = 0; (count < 5) && ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0); count++) { + phaseControl = (0x3F & (phaseControl + 1)); + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + phaseValue = pChipcHw->VPMClock; + /* Count number of adjustment made */ + adjustCount++; + } + + if (adjustCount >= MAX_PHASE_ADJUST_COUNT) { + /* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */ + return -1; + } + + if (count != 5) { + /* Detected false transition */ + continue; + } + + /* Step 3: Keep moving backward to make sure falling PH_COMP transition was stable */ + + for (count = 0; (count < 3) && ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0); count++) { + phaseControl = (0x3F & (phaseControl - 1)); + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + phaseValue = pChipcHw->VPMClock; + /* Count number of adjustment made */ + adjustCount++; + } + + if (adjustCount >= MAX_PHASE_ADJUST_COUNT) { + /* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */ + return -1; + } + + if (count != 3) { + /* Detected noisy transition */ + continue; + } + + /* Step 4: Keep moving backward before the original transition took place. */ + + for (count = 0; (count < 5); count++) { + phaseControl = (0x3F & (phaseControl - 1)); + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + phaseValue = pChipcHw->VPMClock; + /* Count number of adjustment made */ + adjustCount++; + } + + if (adjustCount >= MAX_PHASE_ADJUST_COUNT) { + /* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */ + return -1; + } + + if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0) { + /* Detected false transition */ + continue; + } + + /* Step 5: Re discover the valid transition */ + + do { + /* Store previous value of phase comparator */ + prevPhaseComp = phaseValue; + /* Change the value of PH_CTRL. */ + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= + chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + /* Read the contents of VPM Clock resgister. */ + phaseValue = pChipcHw->VPMClock; + + if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) { + phaseControl = (0x3F & (phaseControl - 1)); + } else { + /* Increment to the Phase count value for next write, if Phase is not stable. */ + phaseControl = (0x3F & (phaseControl + 1)); + } + + /* Count number of adjustment made */ + adjustCount++; + } while (((prevPhaseComp == (phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP)) || ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) != 0x0)) && (adjustCount < MAX_PHASE_ADJUST_COUNT)); + + if (adjustCount >= MAX_PHASE_ADJUST_COUNT) { + /* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */ + return -1; + } else { + /* Valid phase must have detected */ + break; + } + } + + /* For VPM Phase should be perfectly aligned. */ + phaseControl = (((pChipcHw->VPMClock >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT) - 1) & 0x3F); + { + REG_LOCAL_IRQ_SAVE; + + pChipcHw->VPMClock = (pChipcHw->VPMClock & ~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT); + /* Load new phase value */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + + REG_LOCAL_IRQ_RESTORE; + } + /* Return the status */ + return (int)adjustCount; +} + +/****************************************************************************/ +/** +* @brief Set VPM clock in sync with BUS clock +* +* This function does the phase adjustment between VPM and BUS clock +* +* @return >= 0 : On success (# of adjustment required) +* -1 : On failure +* +*/ +/****************************************************************************/ +int chipcHw_vpmPhaseAlign(void) +{ + + if (chipcHw_getChipRevisionNumber() == chipcHw_REV_NUMBER_A0) { + return vpmPhaseAlignA0(); + } else { + uint32_t phaseControl = chipcHw_getVpmPhaseControl(); + uint32_t phaseValue = 0; + int adjustCount = 0; + + /* Disable VPM access */ + pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE; + /* Disable HW VPM phase alignment */ + chipcHw_vpmHwPhaseAlignDisable(); + /* Enable SW VPM phase alignment */ + chipcHw_vpmSwPhaseAlignEnable(); + /* Adjust VPM phase */ + while (adjustCount < MAX_PHASE_ADJUST_COUNT) { + phaseValue = chipcHw_getVpmHwPhaseAlignStatus(); + + /* Adjust phase control value */ + if (phaseValue > 0xF) { + /* Increment phase control value */ + phaseControl++; + } else if (phaseValue < 0xF) { + /* Decrement phase control value */ + phaseControl--; + } else { + /* Enable VPM access */ + pChipcHw->Spare1 |= chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE; + /* Return adjust count */ + return adjustCount; + } + /* Change the value of PH_CTRL. */ + reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT)); + /* Wait atleast 20 ns */ + udelay(1); + /* Toggle the LOAD_CH after phase control is written. */ + pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE; + /* Count adjustment */ + adjustCount++; + } + } + + /* Disable VPM access */ + pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE; + return -1; +} + +/****************************************************************************/ +/** +* @brief Local Divide function +* +* This function does the divide +* +* @return divide value +* +*/ +/****************************************************************************/ +static int chipcHw_divide(int num, int denom) +{ + int r; + int t = 1; + + /* Shift denom and t up to the largest value to optimize algorithm */ + /* t contains the units of each divide */ + while ((denom & 0x40000000) == 0) { /* fails if denom=0 */ + denom = denom << 1; + t = t << 1; + } + + /* Intialize the result */ + r = 0; + + do { + /* Determine if there exists a positive remainder */ + if ((num - denom) >= 0) { + /* Accumlate t to the result and calculate a new remainder */ + num = num - denom; + r = r + t; + } + /* Continue to shift denom and shift t down to 0 */ + denom = denom >> 1; + t = t >> 1; + } while (t != 0); + + return r; +} diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw_init.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw_init.c new file mode 100644 index 0000000..367df75 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/chipc/chipcHw_init.c @@ -0,0 +1,293 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file chipcHw_init.c +* +* @brief Low level CHIPC PLL configuration functions +* +* @note +* +* These routines provide basic PLL controlling functionality only. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/errno.h> +#include <csp/stdint.h> +#include <csp/module.h> + +#include <mach/csp/chipcHw_def.h> +#include <mach/csp/chipcHw_inline.h> + +#include <csp/reg.h> +#include <csp/delay.h> +/* ---- Private Constants and Types --------------------------------------- */ + +/* + Calculation for NDIV_i to obtain VCO frequency + ----------------------------------------------- + + Freq_vco = Freq_ref * (P2 / P1) * (PLL_NDIV_i + PLL_NDIV_f) + for Freq_vco = VCO_FREQ_MHz + Freq_ref = chipcHw_XTAL_FREQ_Hz + PLL_P1 = PLL_P2 = 1 + and + PLL_NDIV_f = 0 + + We get: + PLL_NDIV_i = Freq_vco / Freq_ref = VCO_FREQ_MHz / chipcHw_XTAL_FREQ_Hz + + Calculation for PLL MDIV to obtain frequency Freq_x for channel x + ----------------------------------------------------------------- + Freq_x = chipcHw_XTAL_FREQ_Hz * PLL_NDIV_i / PLL_MDIV_x = VCO_FREQ_MHz / PLL_MDIV_x + + PLL_MDIV_x = VCO_FREQ_MHz / Freq_x +*/ + +/* ---- Private Variables ------------------------------------------------- */ +/****************************************************************************/ +/** +* @brief Initializes the PLL2 +* +* This function initializes the PLL2 +* +*/ +/****************************************************************************/ +void chipcHw_pll2Enable(uint32_t vcoFreqHz) +{ + uint32_t pllPreDivider2 = 0; + + { + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig2 = + chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET; + + pllPreDivider2 = chipcHw_REG_PLL_PREDIVIDER_POWER_DOWN | + chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER | + (chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) << + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P1 << + chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P2 << + chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT); + + /* Enable CHIPC registers to control the PLL */ + pChipcHw->PLLStatus |= chipcHw_REG_PLL_STATUS_CONTROL_ENABLE; + + /* Set pre divider to get desired VCO frequency */ + pChipcHw->PLLPreDivider2 = pllPreDivider2; + /* Set NDIV Frac */ + pChipcHw->PLLDivider2 = chipcHw_REG_PLL_DIVIDER_NDIV_f; + + /* This has to be removed once the default values are fixed for PLL2. */ + pChipcHw->PLLControl12 = 0x38000700; + pChipcHw->PLLControl22 = 0x00000015; + + /* Reset PLL2 */ + if (vcoFreqHz > chipcHw_REG_PLL_CONFIG_VCO_SPLIT_FREQ) { + pChipcHw->PLLConfig2 = chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_VCO_1601_3200 | + chipcHw_REG_PLL_CONFIG_POWER_DOWN; + } else { + pChipcHw->PLLConfig2 = chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_VCO_800_1600 | + chipcHw_REG_PLL_CONFIG_POWER_DOWN; + } + REG_LOCAL_IRQ_RESTORE; + } + + /* Insert certain amount of delay before deasserting ARESET. */ + udelay(1); + + { + REG_LOCAL_IRQ_SAVE; + /* Remove analog reset and Power on the PLL */ + pChipcHw->PLLConfig2 &= + ~(chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_POWER_DOWN); + + REG_LOCAL_IRQ_RESTORE; + + } + + /* Wait until PLL is locked */ + while (!(pChipcHw->PLLStatus2 & chipcHw_REG_PLL_STATUS_LOCKED)) + ; + + { + REG_LOCAL_IRQ_SAVE; + /* Remove digital reset */ + pChipcHw->PLLConfig2 &= ~chipcHw_REG_PLL_CONFIG_D_RESET; + + REG_LOCAL_IRQ_RESTORE; + } +} + +EXPORT_SYMBOL(chipcHw_pll2Enable); + +/****************************************************************************/ +/** +* @brief Initializes the PLL1 +* +* This function initializes the PLL1 +* +*/ +/****************************************************************************/ +void chipcHw_pll1Enable(uint32_t vcoFreqHz, chipcHw_SPREAD_SPECTRUM_e ssSupport) +{ + uint32_t pllPreDivider = 0; + + { + REG_LOCAL_IRQ_SAVE; + + pChipcHw->PLLConfig = + chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET; + /* Setting VCO frequency */ + if (ssSupport == chipcHw_SPREAD_SPECTRUM_ALLOW) { + pllPreDivider = + chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASH_1_8 | + ((chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) - + 1) << chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P1 << + chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P2 << + chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT); + } else { + pllPreDivider = chipcHw_REG_PLL_PREDIVIDER_POWER_DOWN | + chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER | + (chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) << + chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P1 << + chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) | + (chipcHw_REG_PLL_PREDIVIDER_P2 << + chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT); + } + + /* Enable CHIPC registers to control the PLL */ + pChipcHw->PLLStatus |= chipcHw_REG_PLL_STATUS_CONTROL_ENABLE; + + /* Set pre divider to get desired VCO frequency */ + pChipcHw->PLLPreDivider = pllPreDivider; + /* Set NDIV Frac */ + if (ssSupport == chipcHw_SPREAD_SPECTRUM_ALLOW) { + pChipcHw->PLLDivider = chipcHw_REG_PLL_DIVIDER_M1DIV | + chipcHw_REG_PLL_DIVIDER_NDIV_f_SS; + } else { + pChipcHw->PLLDivider = chipcHw_REG_PLL_DIVIDER_M1DIV | + chipcHw_REG_PLL_DIVIDER_NDIV_f; + } + + /* Reset PLL1 */ + if (vcoFreqHz > chipcHw_REG_PLL_CONFIG_VCO_SPLIT_FREQ) { + pChipcHw->PLLConfig = chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_VCO_1601_3200 | + chipcHw_REG_PLL_CONFIG_POWER_DOWN; + } else { + pChipcHw->PLLConfig = chipcHw_REG_PLL_CONFIG_D_RESET | + chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_VCO_800_1600 | + chipcHw_REG_PLL_CONFIG_POWER_DOWN; + } + + REG_LOCAL_IRQ_RESTORE; + + /* Insert certain amount of delay before deasserting ARESET. */ + udelay(1); + + { + REG_LOCAL_IRQ_SAVE; + /* Remove analog reset and Power on the PLL */ + pChipcHw->PLLConfig &= + ~(chipcHw_REG_PLL_CONFIG_A_RESET | + chipcHw_REG_PLL_CONFIG_POWER_DOWN); + REG_LOCAL_IRQ_RESTORE; + } + + /* Wait until PLL is locked */ + while (!(pChipcHw->PLLStatus & chipcHw_REG_PLL_STATUS_LOCKED) + || !(pChipcHw-> + PLLStatus2 & chipcHw_REG_PLL_STATUS_LOCKED)) + ; + + /* Remove digital reset */ + { + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig &= ~chipcHw_REG_PLL_CONFIG_D_RESET; + REG_LOCAL_IRQ_RESTORE; + } + } +} + +EXPORT_SYMBOL(chipcHw_pll1Enable); + +/****************************************************************************/ +/** +* @brief Initializes the chipc module +* +* This function initializes the PLLs and core system clocks +* +*/ +/****************************************************************************/ + +void chipcHw_Init(chipcHw_INIT_PARAM_t *initParam /* [ IN ] Misc chip initialization parameter */ + ) { +#if !(defined(__KERNEL__) && !defined(STANDALONE)) + delay_init(); +#endif + + /* Do not program PLL, when warm reset */ + if (!(chipcHw_getStickyBits() & chipcHw_REG_STICKY_CHIP_WARM_RESET)) { + chipcHw_pll1Enable(initParam->pllVcoFreqHz, + initParam->ssSupport); + chipcHw_pll2Enable(initParam->pll2VcoFreqHz); + } else { + /* Clear sticky bits */ + chipcHw_clearStickyBits(chipcHw_REG_STICKY_CHIP_WARM_RESET); + } + /* Clear sticky bits */ + chipcHw_clearStickyBits(chipcHw_REG_STICKY_CHIP_SOFT_RESET); + + /* Before configuring the ARM clock, atleast we need to make sure BUS clock maintains the proper ratio with ARM clock */ + pChipcHw->ACLKClock = + (pChipcHw-> + ACLKClock & ~chipcHw_REG_ACLKClock_CLK_DIV_MASK) | (initParam-> + armBusRatio & + chipcHw_REG_ACLKClock_CLK_DIV_MASK); + + /* Set various core component frequencies. The order in which this is done is important for some. */ + /* The RTBUS (DDR PHY) is derived from the BUS, and the BUS from the ARM, and VPM needs to know BUS */ + /* frequency to find its ratio with the BUS. Hence we must set the ARM first, followed by the BUS, */ + /* then VPM and RTBUS. */ + + chipcHw_setClockFrequency(chipcHw_CLOCK_ARM, + initParam->busClockFreqHz * + initParam->armBusRatio); + chipcHw_setClockFrequency(chipcHw_CLOCK_BUS, initParam->busClockFreqHz); + chipcHw_setClockFrequency(chipcHw_CLOCK_VPM, + initParam->busClockFreqHz * + initParam->vpmBusRatio); + chipcHw_setClockFrequency(chipcHw_CLOCK_DDR, + initParam->busClockFreqHz * + initParam->ddrBusRatio); + chipcHw_setClockFrequency(chipcHw_CLOCK_RTBUS, + initParam->busClockFreqHz / 2); +} diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw_reset.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw_reset.c new file mode 100644 index 0000000..2671d88 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/chipc/chipcHw_reset.c @@ -0,0 +1,124 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ +#include <csp/stdint.h> +#include <mach/csp/chipcHw_def.h> +#include <mach/csp/chipcHw_inline.h> +#include <csp/intcHw.h> +#include <csp/cache.h> + +/* ---- Private Constants and Types --------------------------------------- */ +/* ---- Private Variables ------------------------------------------------- */ +void chipcHw_reset_run_from_aram(void); + +typedef void (*RUNFUNC) (void); + +/****************************************************************************/ +/** +* @brief warmReset +* +* @note warmReset configures the clocks which are not reset back to the state +* required to execute on reset. To do so we need to copy the code into internal +* memory to change the ARM clock while we are not executing from DDR. +*/ +/****************************************************************************/ +void chipcHw_reset(uint32_t mask) +{ + int i = 0; + RUNFUNC runFunc = (RUNFUNC) (unsigned long)MM_ADDR_IO_ARAM; + + /* Disable all interrupts */ + intcHw_irq_disable(INTCHW_INTC0, 0xffffffff); + intcHw_irq_disable(INTCHW_INTC1, 0xffffffff); + intcHw_irq_disable(INTCHW_SINTC, 0xffffffff); + + { + REG_LOCAL_IRQ_SAVE; + if (mask & chipcHw_REG_SOFT_RESET_CHIP_SOFT) { + chipcHw_softReset(chipcHw_REG_SOFT_RESET_CHIP_SOFT); + } + /* Bypass the PLL clocks before reboot */ + pChipcHw->UARTClock |= chipcHw_REG_PLL_CLOCK_BYPASS_SELECT; + pChipcHw->SPIClock |= chipcHw_REG_PLL_CLOCK_BYPASS_SELECT; + + /* Copy the chipcHw_warmReset_run_from_aram function into ARAM */ + do { + ((uint32_t *) MM_IO_BASE_ARAM)[i] = + ((uint32_t *) &chipcHw_reset_run_from_aram)[i]; + i++; + } while (((uint32_t *) MM_IO_BASE_ARAM)[i - 1] != 0xe1a0f00f); /* 0xe1a0f00f == asm ("mov r15, r15"); */ + + CSP_CACHE_FLUSH_ALL; + + /* run the function from ARAM */ + runFunc(); + + /* Code will never get here, but include it to balance REG_LOCAL_IRQ_SAVE above */ + REG_LOCAL_IRQ_RESTORE; + } +} + +/* This function must run from internal memory */ +void chipcHw_reset_run_from_aram(void) +{ +/* Make sure, pipeline is filled with instructions coming from ARAM */ +__asm (" nop \n\t" + " nop \n\t" +#if defined(__KERNEL__) && !defined(STANDALONE) + " MRC p15,#0x0,r0,c1,c0,#0 \n\t" + " BIC r0,r0,#0xd \n\t" + " MCR p15,#0x0,r0,c1,c0,#0 \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" +#endif + " nop \n\t" + " nop \n\t" +/* Bypass the ARM clock and switch to XTAL clock */ + " MOV r2,#0x80000000 \n\t" + " LDR r3,[r2,#8] \n\t" + " ORR r3,r3,#0x20000 \n\t" + " STR r3,[r2,#8] \n\t" + + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" + " nop \n\t" +/* Issue reset */ + " MOV r3,#0x2 \n\t" + " STR r3,[r2,#0x80] \n\t" +/* End here */ + " MOV pc,pc \n\t"); +/* 0xe1a0f00f == asm ("mov r15, r15"); */ +} diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw_str.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw_str.c new file mode 100644 index 0000000..54ad964 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/chipc/chipcHw_str.c @@ -0,0 +1,64 @@ +/***************************************************************************** +* Copyright 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ +/****************************************************************************/ +/** +* @file chipcHw_str.c +* +* @brief Contains strings which are useful to linux and csp +* +* @note +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <mach/csp/chipcHw_inline.h> + +/* ---- Private Constants and Types --------------------------------------- */ + +static const char *gMuxStr[] = { + "GPIO", /* 0 */ + "KeyPad", /* 1 */ + "I2C-Host", /* 2 */ + "SPI", /* 3 */ + "Uart", /* 4 */ + "LED-Mtx-P", /* 5 */ + "LED-Mtx-S", /* 6 */ + "SDIO-0", /* 7 */ + "SDIO-1", /* 8 */ + "PCM", /* 9 */ + "I2S", /* 10 */ + "ETM", /* 11 */ + "Debug", /* 12 */ + "Misc", /* 13 */ + "0xE", /* 14 */ + "0xF", /* 15 */ +}; + +/****************************************************************************/ +/** +* @brief Retrieves a string representation of the mux setting for a pin. +* +* @return Pointer to a character string. +*/ +/****************************************************************************/ + +const char *chipcHw_getGpioPinFunctionStr(int pin) +{ + if ((pin < 0) || (pin >= chipcHw_GPIO_COUNT)) { + return ""; + } + + return gMuxStr[chipcHw_getGpioPinFunction(pin)]; +} diff --git a/arch/arm/mach-bcmring/csp/dmac/Makefile b/arch/arm/mach-bcmring/csp/dmac/Makefile new file mode 100644 index 0000000..fb1104f --- /dev/null +++ b/arch/arm/mach-bcmring/csp/dmac/Makefile @@ -0,0 +1 @@ +obj-y += dmacHw.o dmacHw_extra.o
\ No newline at end of file diff --git a/arch/arm/mach-bcmring/csp/dmac/dmacHw.c b/arch/arm/mach-bcmring/csp/dmac/dmacHw.c new file mode 100644 index 0000000..7b9bac2 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/dmac/dmacHw.c @@ -0,0 +1,917 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dmacHw.c +* +* @brief Low level DMA controller driver routines +* +* @note +* +* These routines provide basic DMA functionality only. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ +#include <csp/stdint.h> +#include <csp/string.h> +#include <stddef.h> + +#include <csp/dmacHw.h> +#include <mach/csp/dmacHw_reg.h> +#include <mach/csp/dmacHw_priv.h> +#include <mach/csp/chipcHw_inline.h> + +/* ---- External Function Prototypes ------------------------------------- */ + +/* Allocate DMA control blocks */ +dmacHw_CBLK_t dmacHw_gCblk[dmacHw_MAX_CHANNEL_COUNT]; + +uint32_t dmaChannelCount_0 = dmacHw_MAX_CHANNEL_COUNT / 2; +uint32_t dmaChannelCount_1 = dmacHw_MAX_CHANNEL_COUNT / 2; + +/****************************************************************************/ +/** +* @brief Get maximum FIFO for a DMA channel +* +* @return Maximum allowable FIFO size +* +* +*/ +/****************************************************************************/ +static uint32_t GetFifoSize(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + uint32_t val = 0; + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + dmacHw_MISC_t *pMiscReg = + (dmacHw_MISC_t *) dmacHw_REG_MISC_BASE(pCblk->module); + + switch (pCblk->channel) { + case 0: + val = (pMiscReg->CompParm2.lo & 0x70000000) >> 28; + break; + case 1: + val = (pMiscReg->CompParm3.hi & 0x70000000) >> 28; + break; + case 2: + val = (pMiscReg->CompParm3.lo & 0x70000000) >> 28; + break; + case 3: + val = (pMiscReg->CompParm4.hi & 0x70000000) >> 28; + break; + case 4: + val = (pMiscReg->CompParm4.lo & 0x70000000) >> 28; + break; + case 5: + val = (pMiscReg->CompParm5.hi & 0x70000000) >> 28; + break; + case 6: + val = (pMiscReg->CompParm5.lo & 0x70000000) >> 28; + break; + case 7: + val = (pMiscReg->CompParm6.hi & 0x70000000) >> 28; + break; + } + + if (val <= 0x4) { + return 8 << val; + } else { + dmacHw_ASSERT(0); + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Program channel register to initiate transfer +* +* @return void +* +* +* @note +* - Descriptor buffer MUST ALWAYS be flushed before calling this function +* - This function should also be called from ISR to program the channel with +* pending descriptors +*/ +/****************************************************************************/ +void dmacHw_initiateTransfer(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor /* [ IN ] Descriptor buffer */ + ) { + dmacHw_DESC_RING_t *pRing; + dmacHw_DESC_t *pProg; + dmacHw_CBLK_t *pCblk; + + pCblk = dmacHw_HANDLE_TO_CBLK(handle); + pRing = dmacHw_GET_DESC_RING(pDescriptor); + + if (CHANNEL_BUSY(pCblk->module, pCblk->channel)) { + /* Not safe yet to program the channel */ + return; + } + + if (pCblk->varDataStarted) { + if (pCblk->descUpdated) { + pCblk->descUpdated = 0; + pProg = + (dmacHw_DESC_t *) ((uint32_t) + dmacHw_REG_LLP(pCblk->module, + pCblk->channel) + + pRing->virt2PhyOffset); + + /* Load descriptor if not loaded */ + if (!(pProg->ctl.hi & dmacHw_REG_CTL_DONE)) { + dmacHw_SET_SAR(pCblk->module, pCblk->channel, + pProg->sar); + dmacHw_SET_DAR(pCblk->module, pCblk->channel, + pProg->dar); + dmacHw_REG_CTL_LO(pCblk->module, + pCblk->channel) = + pProg->ctl.lo; + dmacHw_REG_CTL_HI(pCblk->module, + pCblk->channel) = + pProg->ctl.hi; + } else if (pProg == (dmacHw_DESC_t *) pRing->pEnd->llp) { + /* Return as end descriptor is processed */ + return; + } else { + dmacHw_ASSERT(0); + } + } else { + return; + } + } else { + if (pConfig->transferMode == dmacHw_TRANSFER_MODE_PERIODIC) { + /* Do not make a single chain, rather process one descriptor at a time */ + pProg = pRing->pHead; + /* Point to the next descriptor for next iteration */ + dmacHw_NEXT_DESC(pRing, pHead); + } else { + /* Return if no more pending descriptor */ + if (pRing->pEnd == NULL) { + return; + } + + pProg = pRing->pProg; + if (pConfig->transferMode == + dmacHw_TRANSFER_MODE_CONTINUOUS) { + /* Make sure a complete ring can be formed */ + dmacHw_ASSERT((dmacHw_DESC_t *) pRing->pEnd-> + llp == pRing->pProg); + /* Make sure pProg pointing to the pHead */ + dmacHw_ASSERT((dmacHw_DESC_t *) pRing->pProg == + pRing->pHead); + /* Make a complete ring */ + do { + pRing->pProg->ctl.lo |= + (dmacHw_REG_CTL_LLP_DST_EN | + dmacHw_REG_CTL_LLP_SRC_EN); + pRing->pProg = + (dmacHw_DESC_t *) pRing->pProg->llp; + } while (pRing->pProg != pRing->pHead); + } else { + /* Make a single long chain */ + while (pRing->pProg != pRing->pEnd) { + pRing->pProg->ctl.lo |= + (dmacHw_REG_CTL_LLP_DST_EN | + dmacHw_REG_CTL_LLP_SRC_EN); + pRing->pProg = + (dmacHw_DESC_t *) pRing->pProg->llp; + } + } + } + + /* Program the channel registers */ + dmacHw_SET_SAR(pCblk->module, pCblk->channel, pProg->sar); + dmacHw_SET_DAR(pCblk->module, pCblk->channel, pProg->dar); + dmacHw_SET_LLP(pCblk->module, pCblk->channel, + (uint32_t) pProg - pRing->virt2PhyOffset); + dmacHw_REG_CTL_LO(pCblk->module, pCblk->channel) = + pProg->ctl.lo; + dmacHw_REG_CTL_HI(pCblk->module, pCblk->channel) = + pProg->ctl.hi; + if (pRing->pEnd) { + /* Remember the descriptor to use next */ + pRing->pProg = (dmacHw_DESC_t *) pRing->pEnd->llp; + } + /* Indicate no more pending descriptor */ + pRing->pEnd = (dmacHw_DESC_t *) NULL; + } + /* Start DMA operation */ + dmacHw_DMA_START(pCblk->module, pCblk->channel); +} + +/****************************************************************************/ +/** +* @brief Initializes DMA +* +* This function initializes DMA CSP driver +* +* @note +* Must be called before using any DMA channel +*/ +/****************************************************************************/ +void dmacHw_initDma(void) +{ + + uint32_t i = 0; + + dmaChannelCount_0 = dmacHw_GET_NUM_CHANNEL(0); + dmaChannelCount_1 = dmacHw_GET_NUM_CHANNEL(1); + + /* Enable access to the DMA block */ + chipcHw_busInterfaceClockEnable(chipcHw_REG_BUS_CLOCK_DMAC0); + chipcHw_busInterfaceClockEnable(chipcHw_REG_BUS_CLOCK_DMAC1); + + if ((dmaChannelCount_0 + dmaChannelCount_1) > dmacHw_MAX_CHANNEL_COUNT) { + dmacHw_ASSERT(0); + } + + memset((void *)dmacHw_gCblk, 0, + sizeof(dmacHw_CBLK_t) * (dmaChannelCount_0 + dmaChannelCount_1)); + for (i = 0; i < dmaChannelCount_0; i++) { + dmacHw_gCblk[i].module = 0; + dmacHw_gCblk[i].channel = i; + } + for (i = 0; i < dmaChannelCount_1; i++) { + dmacHw_gCblk[i + dmaChannelCount_0].module = 1; + dmacHw_gCblk[i + dmaChannelCount_0].channel = i; + } +} + +/****************************************************************************/ +/** +* @brief Exit function for DMA +* +* This function isolates DMA from the system +* +*/ +/****************************************************************************/ +void dmacHw_exitDma(void) +{ + /* Disable access to the DMA block */ + chipcHw_busInterfaceClockDisable(chipcHw_REG_BUS_CLOCK_DMAC0); + chipcHw_busInterfaceClockDisable(chipcHw_REG_BUS_CLOCK_DMAC1); +} + +/****************************************************************************/ +/** +* @brief Gets a handle to a DMA channel +* +* This function returns a handle, representing a control block of a particular DMA channel +* +* @return -1 - On Failure +* handle - On Success, representing a channel control block +* +* @note +* None Channel ID must be created using "dmacHw_MAKE_CHANNEL_ID" macro +*/ +/****************************************************************************/ +dmacHw_HANDLE_t dmacHw_getChannelHandle(dmacHw_ID_t channelId /* [ IN ] DMA Channel Id */ + ) { + int idx; + + switch ((channelId >> 8)) { + case 0: + dmacHw_ASSERT((channelId & 0xff) < dmaChannelCount_0); + idx = (channelId & 0xff); + break; + case 1: + dmacHw_ASSERT((channelId & 0xff) < dmaChannelCount_1); + idx = dmaChannelCount_0 + (channelId & 0xff); + break; + default: + dmacHw_ASSERT(0); + return (dmacHw_HANDLE_t) -1; + } + + return dmacHw_CBLK_TO_HANDLE(&dmacHw_gCblk[idx]); +} + +/****************************************************************************/ +/** +* @brief Initializes a DMA channel for use +* +* This function initializes and resets a DMA channel for use +* +* @return -1 - On Failure +* 0 - On Success +* +* @note +* None +*/ +/****************************************************************************/ +int dmacHw_initChannel(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + int module = pCblk->module; + int channel = pCblk->channel; + + /* Reinitialize the control block */ + memset((void *)pCblk, 0, sizeof(dmacHw_CBLK_t)); + pCblk->module = module; + pCblk->channel = channel; + + /* Enable DMA controller */ + dmacHw_DMA_ENABLE(pCblk->module); + /* Reset DMA channel */ + dmacHw_RESET_CONTROL_LO(pCblk->module, pCblk->channel); + dmacHw_RESET_CONTROL_HI(pCblk->module, pCblk->channel); + dmacHw_RESET_CONFIG_LO(pCblk->module, pCblk->channel); + dmacHw_RESET_CONFIG_HI(pCblk->module, pCblk->channel); + + /* Clear all raw interrupt status */ + dmacHw_TRAN_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_BLOCK_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_ERROR_INT_CLEAR(pCblk->module, pCblk->channel); + + /* Mask event specific interrupts */ + dmacHw_TRAN_INT_DISABLE(pCblk->module, pCblk->channel); + dmacHw_BLOCK_INT_DISABLE(pCblk->module, pCblk->channel); + dmacHw_STRAN_INT_DISABLE(pCblk->module, pCblk->channel); + dmacHw_DTRAN_INT_DISABLE(pCblk->module, pCblk->channel); + dmacHw_ERROR_INT_DISABLE(pCblk->module, pCblk->channel); + + return 0; +} + +/****************************************************************************/ +/** +* @brief Finds amount of memory required to form a descriptor ring +* +* +* @return Number of bytes required to form a descriptor ring +* +* +*/ +/****************************************************************************/ +uint32_t dmacHw_descriptorLen(uint32_t descCnt /* [ IN ] Number of descriptor in the ring */ + ) { + /* Need extra 4 byte to ensure 32 bit alignment */ + return (descCnt * sizeof(dmacHw_DESC_t)) + sizeof(dmacHw_DESC_RING_t) + + sizeof(uint32_t); +} + +/****************************************************************************/ +/** +* @brief Initializes descriptor ring +* +* This function will initializes the descriptor ring of a DMA channel +* +* +* @return -1 - On failure +* 0 - On success +* @note +* - "len" parameter should be obtained from "dmacHw_descriptorLen" +* - Descriptor buffer MUST be 32 bit aligned and uncached as it is +* accessed by ARM and DMA +*/ +/****************************************************************************/ +int dmacHw_initDescriptor(void *pDescriptorVirt, /* [ IN ] Virtual address of uncahced buffer allocated to form descriptor ring */ + uint32_t descriptorPhyAddr, /* [ IN ] Physical address of pDescriptorVirt (descriptor buffer) */ + uint32_t len, /* [ IN ] Size of the pBuf */ + uint32_t num /* [ IN ] Number of descriptor in the ring */ + ) { + uint32_t i; + dmacHw_DESC_RING_t *pRing; + dmacHw_DESC_t *pDesc; + + /* Check the alignment of the descriptor */ + if ((uint32_t) pDescriptorVirt & 0x00000003) { + dmacHw_ASSERT(0); + return -1; + } + + /* Check if enough space has been allocated for descriptor ring */ + if (len < dmacHw_descriptorLen(num)) { + return -1; + } + + pRing = dmacHw_GET_DESC_RING(pDescriptorVirt); + pRing->pHead = + (dmacHw_DESC_t *) ((uint32_t) pRing + sizeof(dmacHw_DESC_RING_t)); + pRing->pFree = pRing->pTail = pRing->pEnd = pRing->pHead; + pRing->pProg = dmacHw_DESC_INIT; + /* Initialize link item chain, starting from the head */ + pDesc = pRing->pHead; + /* Find the offset between virtual to physical address */ + pRing->virt2PhyOffset = (uint32_t) pDescriptorVirt - descriptorPhyAddr; + + /* Form the descriptor ring */ + for (i = 0; i < num - 1; i++) { + /* Clear link list item */ + memset((void *)pDesc, 0, sizeof(dmacHw_DESC_t)); + /* Point to the next item in the physical address */ + pDesc->llpPhy = (uint32_t) (pDesc + 1) - pRing->virt2PhyOffset; + /* Point to the next item in the virtual address */ + pDesc->llp = (uint32_t) (pDesc + 1); + /* Mark descriptor is ready to use */ + pDesc->ctl.hi = dmacHw_DESC_FREE; + /* Look into next link list item */ + pDesc++; + } + + /* Clear last link list item */ + memset((void *)pDesc, 0, sizeof(dmacHw_DESC_t)); + /* Last item pointing to the first item in the + physical address to complete the ring */ + pDesc->llpPhy = (uint32_t) pRing->pHead - pRing->virt2PhyOffset; + /* Last item pointing to the first item in the + virtual address to complete the ring + */ + pDesc->llp = (uint32_t) pRing->pHead; + /* Mark descriptor is ready to use */ + pDesc->ctl.hi = dmacHw_DESC_FREE; + /* Set the number of descriptors in the ring */ + pRing->num = num; + return 0; +} + +/****************************************************************************/ +/** +* @brief Configure DMA channel +* +* @return 0 : On success +* -1 : On failure +*/ +/****************************************************************************/ +int dmacHw_configChannel(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig /* [ IN ] Configuration settings */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + uint32_t cfgHigh = 0; + int srcTrSize; + int dstTrSize; + + pCblk->varDataStarted = 0; + pCblk->userData = NULL; + + /* Configure + - Burst transaction when enough data in available in FIFO + - AHB Access protection 1 + - Source and destination peripheral ports + */ + cfgHigh = + dmacHw_REG_CFG_HI_FIFO_ENOUGH | dmacHw_REG_CFG_HI_AHB_HPROT_1 | + dmacHw_SRC_PERI_INTF(pConfig-> + srcPeripheralPort) | + dmacHw_DST_PERI_INTF(pConfig->dstPeripheralPort); + /* Set priority */ + dmacHw_SET_CHANNEL_PRIORITY(pCblk->module, pCblk->channel, + pConfig->channelPriority); + + if (pConfig->dstStatusRegisterAddress != 0) { + /* Destination status update enable */ + cfgHigh |= dmacHw_REG_CFG_HI_UPDATE_DST_STAT; + /* Configure status registers */ + dmacHw_SET_DSTATAR(pCblk->module, pCblk->channel, + pConfig->dstStatusRegisterAddress); + } + + if (pConfig->srcStatusRegisterAddress != 0) { + /* Source status update enable */ + cfgHigh |= dmacHw_REG_CFG_HI_UPDATE_SRC_STAT; + /* Source status update enable */ + dmacHw_SET_SSTATAR(pCblk->module, pCblk->channel, + pConfig->srcStatusRegisterAddress); + } + /* Configure the config high register */ + dmacHw_GET_CONFIG_HI(pCblk->module, pCblk->channel) = cfgHigh; + + /* Clear all raw interrupt status */ + dmacHw_TRAN_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_BLOCK_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_ERROR_INT_CLEAR(pCblk->module, pCblk->channel); + + /* Configure block interrupt */ + if (pConfig->blockTransferInterrupt == dmacHw_INTERRUPT_ENABLE) { + dmacHw_BLOCK_INT_ENABLE(pCblk->module, pCblk->channel); + } else { + dmacHw_BLOCK_INT_DISABLE(pCblk->module, pCblk->channel); + } + /* Configure complete transfer interrupt */ + if (pConfig->completeTransferInterrupt == dmacHw_INTERRUPT_ENABLE) { + dmacHw_TRAN_INT_ENABLE(pCblk->module, pCblk->channel); + } else { + dmacHw_TRAN_INT_DISABLE(pCblk->module, pCblk->channel); + } + /* Configure error interrupt */ + if (pConfig->errorInterrupt == dmacHw_INTERRUPT_ENABLE) { + dmacHw_ERROR_INT_ENABLE(pCblk->module, pCblk->channel); + } else { + dmacHw_ERROR_INT_DISABLE(pCblk->module, pCblk->channel); + } + /* Configure gather register */ + if (pConfig->srcGatherWidth) { + srcTrSize = + dmacHw_GetTrWidthInBytes(pConfig->srcMaxTransactionWidth); + if (! + ((pConfig->srcGatherWidth % srcTrSize) + && (pConfig->srcGatherJump % srcTrSize))) { + dmacHw_REG_SGR_LO(pCblk->module, pCblk->channel) = + ((pConfig->srcGatherWidth / + srcTrSize) << 20) | (pConfig->srcGatherJump / + srcTrSize); + } else { + return -1; + } + } + /* Configure scatter register */ + if (pConfig->dstScatterWidth) { + dstTrSize = + dmacHw_GetTrWidthInBytes(pConfig->dstMaxTransactionWidth); + if (! + ((pConfig->dstScatterWidth % dstTrSize) + && (pConfig->dstScatterJump % dstTrSize))) { + dmacHw_REG_DSR_LO(pCblk->module, pCblk->channel) = + ((pConfig->dstScatterWidth / + dstTrSize) << 20) | (pConfig->dstScatterJump / + dstTrSize); + } else { + return -1; + } + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Indicates whether DMA transfer is in progress or completed +* +* @return DMA transfer status +* dmacHw_TRANSFER_STATUS_BUSY: DMA Transfer ongoing +* dmacHw_TRANSFER_STATUS_DONE: DMA Transfer completed +* dmacHw_TRANSFER_STATUS_ERROR: DMA Transfer error +* +*/ +/****************************************************************************/ +dmacHw_TRANSFER_STATUS_e dmacHw_transferCompleted(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + if (CHANNEL_BUSY(pCblk->module, pCblk->channel)) { + return dmacHw_TRANSFER_STATUS_BUSY; + } else if (dmacHw_REG_INT_RAW_ERROR(pCblk->module) & + (0x00000001 << pCblk->channel)) { + return dmacHw_TRANSFER_STATUS_ERROR; + } + + return dmacHw_TRANSFER_STATUS_DONE; +} + +/****************************************************************************/ +/** +* @brief Set descriptors for known data length +* +* When DMA has to work as a flow controller, this function prepares the +* descriptor chain to transfer data +* +* from: +* - Memory to memory +* - Peripheral to memory +* - Memory to Peripheral +* - Peripheral to Peripheral +* +* @return -1 - On failure +* 0 - On success +* +*/ +/****************************************************************************/ +int dmacHw_setDataDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ + void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ + size_t dataLen /* [ IN ] Data length in bytes */ + ) { + dmacHw_TRANSACTION_WIDTH_e dstTrWidth; + dmacHw_TRANSACTION_WIDTH_e srcTrWidth; + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + dmacHw_DESC_t *pStart; + dmacHw_DESC_t *pProg; + int srcTs = 0; + int blkTs = 0; + int oddSize = 0; + int descCount = 0; + int count = 0; + int dstTrSize = 0; + int srcTrSize = 0; + uint32_t maxBlockSize = dmacHw_MAX_BLOCKSIZE; + + dstTrSize = dmacHw_GetTrWidthInBytes(pConfig->dstMaxTransactionWidth); + srcTrSize = dmacHw_GetTrWidthInBytes(pConfig->srcMaxTransactionWidth); + + /* Skip Tx if buffer is NULL or length is unknown */ + if ((pSrcAddr == NULL) || (pDstAddr == NULL) || (dataLen == 0)) { + /* Do not initiate transfer */ + return -1; + } + + /* Ensure scatter and gather are transaction aligned */ + if ((pConfig->srcGatherWidth % srcTrSize) + || (pConfig->dstScatterWidth % dstTrSize)) { + return -2; + } + + /* + Background 1: DMAC can not perform DMA if source and destination addresses are + not properly aligned with the channel's transaction width. So, for successful + DMA transfer, transaction width must be set according to the alignment of the + source and destination address. + */ + + /* Adjust destination transaction width if destination address is not aligned properly */ + dstTrWidth = pConfig->dstMaxTransactionWidth; + while (dmacHw_ADDRESS_MASK(dstTrSize) & (uint32_t) pDstAddr) { + dstTrWidth = dmacHw_GetNextTrWidth(dstTrWidth); + dstTrSize = dmacHw_GetTrWidthInBytes(dstTrWidth); + } + + /* Adjust source transaction width if source address is not aligned properly */ + srcTrWidth = pConfig->srcMaxTransactionWidth; + while (dmacHw_ADDRESS_MASK(srcTrSize) & (uint32_t) pSrcAddr) { + srcTrWidth = dmacHw_GetNextTrWidth(srcTrWidth); + srcTrSize = dmacHw_GetTrWidthInBytes(srcTrWidth); + } + + /* Find the maximum transaction per descriptor */ + if (pConfig->maxDataPerBlock + && ((pConfig->maxDataPerBlock / srcTrSize) < + dmacHw_MAX_BLOCKSIZE)) { + maxBlockSize = pConfig->maxDataPerBlock / srcTrSize; + } + + /* Find number of source transactions needed to complete the DMA transfer */ + srcTs = dataLen / srcTrSize; + /* Find the odd number of bytes that need to be transferred as single byte transaction width */ + if (srcTs && (dstTrSize > srcTrSize)) { + oddSize = dataLen % dstTrSize; + /* Adjust source transaction count due to "oddSize" */ + srcTs = srcTs - (oddSize / srcTrSize); + } else { + oddSize = dataLen % srcTrSize; + } + /* Adjust "descCount" due to "oddSize" */ + if (oddSize) { + descCount++; + } + /* Find the number of descriptor needed for total "srcTs" */ + if (srcTs) { + descCount += ((srcTs - 1) / maxBlockSize) + 1; + } + + /* Check the availability of "descCount" discriptors in the ring */ + pProg = pRing->pHead; + for (count = 0; (descCount <= pRing->num) && (count < descCount); + count++) { + if ((pProg->ctl.hi & dmacHw_DESC_FREE) == 0) { + /* Sufficient descriptors are not available */ + return -3; + } + pProg = (dmacHw_DESC_t *) pProg->llp; + } + + /* Remember the link list item to program the channel registers */ + pStart = pProg = pRing->pHead; + /* Make a link list with "descCount(=count)" number of descriptors */ + while (count) { + /* Reset channel control information */ + pProg->ctl.lo = 0; + /* Enable source gather if configured */ + if (pConfig->srcGatherWidth) { + pProg->ctl.lo |= dmacHw_REG_CTL_SG_ENABLE; + } + /* Enable destination scatter if configured */ + if (pConfig->dstScatterWidth) { + pProg->ctl.lo |= dmacHw_REG_CTL_DS_ENABLE; + } + /* Set source and destination address */ + pProg->sar = (uint32_t) pSrcAddr; + pProg->dar = (uint32_t) pDstAddr; + /* Use "devCtl" to mark that user memory need to be freed later if needed */ + if (pProg == pRing->pHead) { + pProg->devCtl = dmacHw_FREE_USER_MEMORY; + } else { + pProg->devCtl = 0; + } + + blkTs = srcTs; + + /* Special treatmeant for last descriptor */ + if (count == 1) { + /* Mark the last descriptor */ + pProg->ctl.lo &= + ~(dmacHw_REG_CTL_LLP_DST_EN | + dmacHw_REG_CTL_LLP_SRC_EN); + /* Treatment for odd data bytes */ + if (oddSize) { + /* Adjust for single byte transaction width */ + switch (pConfig->transferType) { + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM: + dstTrWidth = + dmacHw_DST_TRANSACTION_WIDTH_8; + blkTs = + (oddSize / srcTrSize) + + ((oddSize % srcTrSize) ? 1 : 0); + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL: + srcTrWidth = + dmacHw_SRC_TRANSACTION_WIDTH_8; + blkTs = oddSize; + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_MEM: + srcTrWidth = + dmacHw_SRC_TRANSACTION_WIDTH_8; + dstTrWidth = + dmacHw_DST_TRANSACTION_WIDTH_8; + blkTs = oddSize; + break; + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_PERIPHERAL: + /* Do not adjust the transaction width */ + break; + } + } else { + srcTs -= blkTs; + } + } else { + if (srcTs / maxBlockSize) { + blkTs = maxBlockSize; + } + /* Remaining source transactions for next iteration */ + srcTs -= blkTs; + } + /* Must have a valid source transactions */ + dmacHw_ASSERT(blkTs > 0); + /* Set control information */ + if (pConfig->flowControler == dmacHw_FLOW_CONTROL_DMA) { + pProg->ctl.lo |= pConfig->transferType | + pConfig->srcUpdate | + pConfig->dstUpdate | + srcTrWidth | + dstTrWidth | + pConfig->srcMaxBurstWidth | + pConfig->dstMaxBurstWidth | + pConfig->srcMasterInterface | + pConfig->dstMasterInterface | dmacHw_REG_CTL_INT_EN; + } else { + uint32_t transferType = 0; + switch (pConfig->transferType) { + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM: + transferType = dmacHw_REG_CTL_TTFC_PM_PERI; + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL: + transferType = dmacHw_REG_CTL_TTFC_MP_PERI; + break; + default: + dmacHw_ASSERT(0); + } + pProg->ctl.lo |= transferType | + pConfig->srcUpdate | + pConfig->dstUpdate | + srcTrWidth | + dstTrWidth | + pConfig->srcMaxBurstWidth | + pConfig->dstMaxBurstWidth | + pConfig->srcMasterInterface | + pConfig->dstMasterInterface | dmacHw_REG_CTL_INT_EN; + } + + /* Set block transaction size */ + pProg->ctl.hi = blkTs & dmacHw_REG_CTL_BLOCK_TS_MASK; + /* Look for next descriptor */ + if (count > 1) { + /* Point to the next descriptor */ + pProg = (dmacHw_DESC_t *) pProg->llp; + + /* Update source and destination address for next iteration */ + switch (pConfig->transferType) { + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM: + if (pConfig->dstScatterWidth) { + pDstAddr = + (char *)pDstAddr + + blkTs * srcTrSize + + (((blkTs * srcTrSize) / + pConfig->dstScatterWidth) * + pConfig->dstScatterJump); + } else { + pDstAddr = + (char *)pDstAddr + + blkTs * srcTrSize; + } + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL: + if (pConfig->srcGatherWidth) { + pSrcAddr = + (char *)pDstAddr + + blkTs * srcTrSize + + (((blkTs * srcTrSize) / + pConfig->srcGatherWidth) * + pConfig->srcGatherJump); + } else { + pSrcAddr = + (char *)pSrcAddr + + blkTs * srcTrSize; + } + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_MEM: + if (pConfig->dstScatterWidth) { + pDstAddr = + (char *)pDstAddr + + blkTs * srcTrSize + + (((blkTs * srcTrSize) / + pConfig->dstScatterWidth) * + pConfig->dstScatterJump); + } else { + pDstAddr = + (char *)pDstAddr + + blkTs * srcTrSize; + } + + if (pConfig->srcGatherWidth) { + pSrcAddr = + (char *)pDstAddr + + blkTs * srcTrSize + + (((blkTs * srcTrSize) / + pConfig->srcGatherWidth) * + pConfig->srcGatherJump); + } else { + pSrcAddr = + (char *)pSrcAddr + + blkTs * srcTrSize; + } + break; + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_PERIPHERAL: + /* Do not adjust the address */ + break; + default: + dmacHw_ASSERT(0); + } + } else { + /* At the end of transfer "srcTs" must be zero */ + dmacHw_ASSERT(srcTs == 0); + } + count--; + } + + /* Remember the descriptor to initialize the registers */ + if (pRing->pProg == dmacHw_DESC_INIT) { + pRing->pProg = pStart; + } + /* Indicate that the descriptor is updated */ + pRing->pEnd = pProg; + /* Head pointing to the next descriptor */ + pRing->pHead = (dmacHw_DESC_t *) pProg->llp; + /* Update Tail pointer if destination is a peripheral, + because no one is going to read from the pTail + */ + if (!dmacHw_DST_IS_MEMORY(pConfig->transferType)) { + pRing->pTail = pRing->pHead; + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Provides DMA controller attributes +* +* +* @return DMA controller attributes +* +* @note +* None +*/ +/****************************************************************************/ +uint32_t dmacHw_getDmaControllerAttribute(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONTROLLER_ATTRIB_e attr /* [ IN ] DMA Controler attribute of type dmacHw_CONTROLLER_ATTRIB_e */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + switch (attr) { + case dmacHw_CONTROLLER_ATTRIB_CHANNEL_NUM: + return dmacHw_GET_NUM_CHANNEL(pCblk->module); + case dmacHw_CONTROLLER_ATTRIB_CHANNEL_MAX_BLOCK_SIZE: + return (1 << + (dmacHw_GET_MAX_BLOCK_SIZE + (pCblk->module, pCblk->module) + 2)) - 8; + case dmacHw_CONTROLLER_ATTRIB_MASTER_INTF_NUM: + return dmacHw_GET_NUM_INTERFACE(pCblk->module); + case dmacHw_CONTROLLER_ATTRIB_CHANNEL_BUS_WIDTH: + return 32 << dmacHw_GET_CHANNEL_DATA_WIDTH(pCblk->module, + pCblk->channel); + case dmacHw_CONTROLLER_ATTRIB_CHANNEL_FIFO_SIZE: + return GetFifoSize(handle); + } + dmacHw_ASSERT(0); + return 0; +} diff --git a/arch/arm/mach-bcmring/csp/dmac/dmacHw_extra.c b/arch/arm/mach-bcmring/csp/dmac/dmacHw_extra.c new file mode 100644 index 0000000..ff7b436 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/dmac/dmacHw_extra.c @@ -0,0 +1,1017 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dmacHw_extra.c +* +* @brief Extra Low level DMA controller driver routines +* +* @note +* +* These routines provide basic DMA functionality only. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/stdint.h> +#include <stddef.h> + +#include <csp/dmacHw.h> +#include <mach/csp/dmacHw_reg.h> +#include <mach/csp/dmacHw_priv.h> + +extern dmacHw_CBLK_t dmacHw_gCblk[dmacHw_MAX_CHANNEL_COUNT]; /* Declared in dmacHw.c */ + +/* ---- External Function Prototypes ------------------------------------- */ + +/* ---- Internal Use Function Prototypes --------------------------------- */ +/****************************************************************************/ +/** +* @brief Overwrites data length in the descriptor +* +* This function overwrites data length in the descriptor +* +* +* @return void +* +* @note +* This is only used for PCM channel +*/ +/****************************************************************************/ +void dmacHw_setDataLength(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + size_t dataLen /* [ IN ] Data length in bytes */ + ); + +/****************************************************************************/ +/** +* @brief Helper function to display DMA registers +* +* @return void +* +* +* @note +* None +*/ +/****************************************************************************/ +static void DisplayRegisterContents(int module, /* [ IN ] DMA Controller unit (0-1) */ + int channel, /* [ IN ] DMA Channel (0-7) / -1(all) */ + int (*fpPrint) (const char *, ...) /* [ IN ] Callback to the print function */ + ) { + int chan; + + (*fpPrint) ("Displaying register content \n\n"); + (*fpPrint) ("Module %d: Interrupt raw transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_RAW_TRAN(module))); + (*fpPrint) ("Module %d: Interrupt raw block 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_RAW_BLOCK(module))); + (*fpPrint) ("Module %d: Interrupt raw src transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_RAW_STRAN(module))); + (*fpPrint) ("Module %d: Interrupt raw dst transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_RAW_DTRAN(module))); + (*fpPrint) ("Module %d: Interrupt raw error 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_RAW_ERROR(module))); + (*fpPrint) ("--------------------------------------------------\n"); + (*fpPrint) ("Module %d: Interrupt stat transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_STAT_TRAN(module))); + (*fpPrint) ("Module %d: Interrupt stat block 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_STAT_BLOCK(module))); + (*fpPrint) ("Module %d: Interrupt stat src transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_STAT_STRAN(module))); + (*fpPrint) ("Module %d: Interrupt stat dst transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_STAT_DTRAN(module))); + (*fpPrint) ("Module %d: Interrupt stat error 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_STAT_ERROR(module))); + (*fpPrint) ("--------------------------------------------------\n"); + (*fpPrint) ("Module %d: Interrupt mask transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_MASK_TRAN(module))); + (*fpPrint) ("Module %d: Interrupt mask block 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_MASK_BLOCK(module))); + (*fpPrint) ("Module %d: Interrupt mask src transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_MASK_STRAN(module))); + (*fpPrint) ("Module %d: Interrupt mask dst transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_MASK_DTRAN(module))); + (*fpPrint) ("Module %d: Interrupt mask error 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_MASK_ERROR(module))); + (*fpPrint) ("--------------------------------------------------\n"); + (*fpPrint) ("Module %d: Interrupt clear transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_CLEAR_TRAN(module))); + (*fpPrint) ("Module %d: Interrupt clear block 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_CLEAR_BLOCK(module))); + (*fpPrint) ("Module %d: Interrupt clear src transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_CLEAR_STRAN(module))); + (*fpPrint) ("Module %d: Interrupt clear dst transfer 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_CLEAR_DTRAN(module))); + (*fpPrint) ("Module %d: Interrupt clear error 0x%X\n", + module, (uint32_t) (dmacHw_REG_INT_CLEAR_ERROR(module))); + (*fpPrint) ("--------------------------------------------------\n"); + (*fpPrint) ("Module %d: SW source req 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_SRC_REQ(module))); + (*fpPrint) ("Module %d: SW dest req 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_DST_REQ(module))); + (*fpPrint) ("Module %d: SW source signal 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_SRC_SGL_REQ(module))); + (*fpPrint) ("Module %d: SW dest signal 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_DST_SGL_REQ(module))); + (*fpPrint) ("Module %d: SW source last 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_SRC_LST_REQ(module))); + (*fpPrint) ("Module %d: SW dest last 0x%X\n", + module, (uint32_t) (dmacHw_REG_SW_HS_DST_LST_REQ(module))); + (*fpPrint) ("--------------------------------------------------\n"); + (*fpPrint) ("Module %d: misc config 0x%X\n", + module, (uint32_t) (dmacHw_REG_MISC_CFG(module))); + (*fpPrint) ("Module %d: misc channel enable 0x%X\n", + module, (uint32_t) (dmacHw_REG_MISC_CH_ENABLE(module))); + (*fpPrint) ("Module %d: misc ID 0x%X\n", + module, (uint32_t) (dmacHw_REG_MISC_ID(module))); + (*fpPrint) ("Module %d: misc test 0x%X\n", + module, (uint32_t) (dmacHw_REG_MISC_TEST(module))); + + if (channel == -1) { + for (chan = 0; chan < 8; chan++) { + (*fpPrint) + ("--------------------------------------------------\n"); + (*fpPrint) + ("Module %d: Channel %d Source 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_SAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Destination 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_DAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d LLP 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_LLP(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Control (LO) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CTL_LO(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Control (HI) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CTL_HI(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Source Stats 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_SSTAT(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Dest Stats 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_DSTAT(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Source Stats Addr 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_SSTATAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Dest Stats Addr 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_DSTATAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Config (LO) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CFG_LO(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Config (HI) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CFG_HI(module, chan))); + } + } else { + chan = channel; + (*fpPrint) + ("--------------------------------------------------\n"); + (*fpPrint) + ("Module %d: Channel %d Source 0x%X\n", + module, chan, (uint32_t) (dmacHw_REG_SAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Destination 0x%X\n", + module, chan, (uint32_t) (dmacHw_REG_DAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d LLP 0x%X\n", + module, chan, (uint32_t) (dmacHw_REG_LLP(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Control (LO) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CTL_LO(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Control (HI) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CTL_HI(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Source Stats 0x%X\n", + module, chan, (uint32_t) (dmacHw_REG_SSTAT(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Dest Stats 0x%X\n", + module, chan, (uint32_t) (dmacHw_REG_DSTAT(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Source Stats Addr 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_SSTATAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Dest Stats Addr 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_DSTATAR(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Config (LO) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CFG_LO(module, chan))); + (*fpPrint) + ("Module %d: Channel %d Config (HI) 0x%X\n", + module, chan, + (uint32_t) (dmacHw_REG_CFG_HI(module, chan))); + } +} + +/****************************************************************************/ +/** +* @brief Helper function to display descriptor ring +* +* @return void +* +* +* @note +* None +*/ +/****************************************************************************/ +static void DisplayDescRing(void *pDescriptor, /* [ IN ] Descriptor buffer */ + int (*fpPrint) (const char *, ...) /* [ IN ] Callback to the print function */ + ) { + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + dmacHw_DESC_t *pStart; + + if (pRing->pHead == NULL) { + return; + } + + pStart = pRing->pHead; + + while ((dmacHw_DESC_t *) pStart->llp != pRing->pHead) { + if (pStart == pRing->pHead) { + (*fpPrint) ("Head\n"); + } + if (pStart == pRing->pTail) { + (*fpPrint) ("Tail\n"); + } + if (pStart == pRing->pProg) { + (*fpPrint) ("Prog\n"); + } + if (pStart == pRing->pEnd) { + (*fpPrint) ("End\n"); + } + if (pStart == pRing->pFree) { + (*fpPrint) ("Free\n"); + } + (*fpPrint) ("0x%X:\n", (uint32_t) pStart); + (*fpPrint) ("sar 0x%0X\n", pStart->sar); + (*fpPrint) ("dar 0x%0X\n", pStart->dar); + (*fpPrint) ("llp 0x%0X\n", pStart->llp); + (*fpPrint) ("ctl.lo 0x%0X\n", pStart->ctl.lo); + (*fpPrint) ("ctl.hi 0x%0X\n", pStart->ctl.hi); + (*fpPrint) ("sstat 0x%0X\n", pStart->sstat); + (*fpPrint) ("dstat 0x%0X\n", pStart->dstat); + (*fpPrint) ("devCtl 0x%0X\n", pStart->devCtl); + + pStart = (dmacHw_DESC_t *) pStart->llp; + } + if (pStart == pRing->pHead) { + (*fpPrint) ("Head\n"); + } + if (pStart == pRing->pTail) { + (*fpPrint) ("Tail\n"); + } + if (pStart == pRing->pProg) { + (*fpPrint) ("Prog\n"); + } + if (pStart == pRing->pEnd) { + (*fpPrint) ("End\n"); + } + if (pStart == pRing->pFree) { + (*fpPrint) ("Free\n"); + } + (*fpPrint) ("0x%X:\n", (uint32_t) pStart); + (*fpPrint) ("sar 0x%0X\n", pStart->sar); + (*fpPrint) ("dar 0x%0X\n", pStart->dar); + (*fpPrint) ("llp 0x%0X\n", pStart->llp); + (*fpPrint) ("ctl.lo 0x%0X\n", pStart->ctl.lo); + (*fpPrint) ("ctl.hi 0x%0X\n", pStart->ctl.hi); + (*fpPrint) ("sstat 0x%0X\n", pStart->sstat); + (*fpPrint) ("dstat 0x%0X\n", pStart->dstat); + (*fpPrint) ("devCtl 0x%0X\n", pStart->devCtl); +} + +/****************************************************************************/ +/** +* @brief Check if DMA channel is the flow controller +* +* @return 1 : If DMA is a flow controler +* 0 : Peripheral is the flow controller +* +* @note +* None +*/ +/****************************************************************************/ +static inline int DmaIsFlowController(void *pDescriptor /* [ IN ] Descriptor buffer */ + ) { + uint32_t ttfc = + (dmacHw_GET_DESC_RING(pDescriptor))->pTail->ctl. + lo & dmacHw_REG_CTL_TTFC_MASK; + + switch (ttfc) { + case dmacHw_REG_CTL_TTFC_MM_DMAC: + case dmacHw_REG_CTL_TTFC_MP_DMAC: + case dmacHw_REG_CTL_TTFC_PM_DMAC: + case dmacHw_REG_CTL_TTFC_PP_DMAC: + return 1; + } + + return 0; +} + +/****************************************************************************/ +/** +* @brief Overwrites data length in the descriptor +* +* This function overwrites data length in the descriptor +* +* +* @return void +* +* @note +* This is only used for PCM channel +*/ +/****************************************************************************/ +void dmacHw_setDataLength(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + size_t dataLen /* [ IN ] Data length in bytes */ + ) { + dmacHw_DESC_t *pProg; + dmacHw_DESC_t *pHead; + int srcTs = 0; + int srcTrSize = 0; + + pHead = (dmacHw_GET_DESC_RING(pDescriptor))->pHead; + pProg = pHead; + + srcTrSize = dmacHw_GetTrWidthInBytes(pConfig->srcMaxTransactionWidth); + srcTs = dataLen / srcTrSize; + do { + pProg->ctl.hi = srcTs & dmacHw_REG_CTL_BLOCK_TS_MASK; + pProg = (dmacHw_DESC_t *) pProg->llp; + } while (pProg != pHead); +} + +/****************************************************************************/ +/** +* @brief Clears the interrupt +* +* This function clears the DMA channel specific interrupt +* +* +* @return void +* +* @note +* Must be called under the context of ISR +*/ +/****************************************************************************/ +void dmacHw_clearInterrupt(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + dmacHw_TRAN_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_BLOCK_INT_CLEAR(pCblk->module, pCblk->channel); + dmacHw_ERROR_INT_CLEAR(pCblk->module, pCblk->channel); +} + +/****************************************************************************/ +/** +* @brief Returns the cause of channel specific DMA interrupt +* +* This function returns the cause of interrupt +* +* @return Interrupt status, each bit representing a specific type of interrupt +* +* @note +* Should be called under the context of ISR +*/ +/****************************************************************************/ +dmacHw_INTERRUPT_STATUS_e dmacHw_getInterruptStatus(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + dmacHw_INTERRUPT_STATUS_e status = dmacHw_INTERRUPT_STATUS_NONE; + + if (dmacHw_REG_INT_STAT_TRAN(pCblk->module) & + ((0x00000001 << pCblk->channel))) { + status |= dmacHw_INTERRUPT_STATUS_TRANS; + } + if (dmacHw_REG_INT_STAT_BLOCK(pCblk->module) & + ((0x00000001 << pCblk->channel))) { + status |= dmacHw_INTERRUPT_STATUS_BLOCK; + } + if (dmacHw_REG_INT_STAT_ERROR(pCblk->module) & + ((0x00000001 << pCblk->channel))) { + status |= dmacHw_INTERRUPT_STATUS_ERROR; + } + + return status; +} + +/****************************************************************************/ +/** +* @brief Indentifies a DMA channel causing interrupt +* +* This functions returns a channel causing interrupt of type dmacHw_INTERRUPT_STATUS_e +* +* @return NULL : No channel causing DMA interrupt +* ! NULL : Handle to a channel causing DMA interrupt +* @note +* dmacHw_clearInterrupt() must be called with a valid handle after calling this function +*/ +/****************************************************************************/ +dmacHw_HANDLE_t dmacHw_getInterruptSource(void) +{ + uint32_t i; + + for (i = 0; i < dmaChannelCount_0 + dmaChannelCount_1; i++) { + if ((dmacHw_REG_INT_STAT_TRAN(dmacHw_gCblk[i].module) & + ((0x00000001 << dmacHw_gCblk[i].channel))) + || (dmacHw_REG_INT_STAT_BLOCK(dmacHw_gCblk[i].module) & + ((0x00000001 << dmacHw_gCblk[i].channel))) + || (dmacHw_REG_INT_STAT_ERROR(dmacHw_gCblk[i].module) & + ((0x00000001 << dmacHw_gCblk[i].channel))) + ) { + return dmacHw_CBLK_TO_HANDLE(&dmacHw_gCblk[i]); + } + } + return dmacHw_CBLK_TO_HANDLE(NULL); +} + +/****************************************************************************/ +/** +* @brief Estimates number of descriptor needed to perform certain DMA transfer +* +* +* @return On failure : -1 +* On success : Number of descriptor count +* +* +*/ +/****************************************************************************/ +int dmacHw_calculateDescriptorCount(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ + void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ + size_t dataLen /* [ IN ] Data length in bytes */ + ) { + int srcTs = 0; + int oddSize = 0; + int descCount = 0; + int dstTrSize = 0; + int srcTrSize = 0; + uint32_t maxBlockSize = dmacHw_MAX_BLOCKSIZE; + dmacHw_TRANSACTION_WIDTH_e dstTrWidth; + dmacHw_TRANSACTION_WIDTH_e srcTrWidth; + + dstTrSize = dmacHw_GetTrWidthInBytes(pConfig->dstMaxTransactionWidth); + srcTrSize = dmacHw_GetTrWidthInBytes(pConfig->srcMaxTransactionWidth); + + /* Skip Tx if buffer is NULL or length is unknown */ + if ((pSrcAddr == NULL) || (pDstAddr == NULL) || (dataLen == 0)) { + /* Do not initiate transfer */ + return -1; + } + + /* Ensure scatter and gather are transaction aligned */ + if (pConfig->srcGatherWidth % srcTrSize + || pConfig->dstScatterWidth % dstTrSize) { + return -1; + } + + /* + Background 1: DMAC can not perform DMA if source and destination addresses are + not properly aligned with the channel's transaction width. So, for successful + DMA transfer, transaction width must be set according to the alignment of the + source and destination address. + */ + + /* Adjust destination transaction width if destination address is not aligned properly */ + dstTrWidth = pConfig->dstMaxTransactionWidth; + while (dmacHw_ADDRESS_MASK(dstTrSize) & (uint32_t) pDstAddr) { + dstTrWidth = dmacHw_GetNextTrWidth(dstTrWidth); + dstTrSize = dmacHw_GetTrWidthInBytes(dstTrWidth); + } + + /* Adjust source transaction width if source address is not aligned properly */ + srcTrWidth = pConfig->srcMaxTransactionWidth; + while (dmacHw_ADDRESS_MASK(srcTrSize) & (uint32_t) pSrcAddr) { + srcTrWidth = dmacHw_GetNextTrWidth(srcTrWidth); + srcTrSize = dmacHw_GetTrWidthInBytes(srcTrWidth); + } + + /* Find the maximum transaction per descriptor */ + if (pConfig->maxDataPerBlock + && ((pConfig->maxDataPerBlock / srcTrSize) < + dmacHw_MAX_BLOCKSIZE)) { + maxBlockSize = pConfig->maxDataPerBlock / srcTrSize; + } + + /* Find number of source transactions needed to complete the DMA transfer */ + srcTs = dataLen / srcTrSize; + /* Find the odd number of bytes that need to be transferred as single byte transaction width */ + if (srcTs && (dstTrSize > srcTrSize)) { + oddSize = dataLen % dstTrSize; + /* Adjust source transaction count due to "oddSize" */ + srcTs = srcTs - (oddSize / srcTrSize); + } else { + oddSize = dataLen % srcTrSize; + } + /* Adjust "descCount" due to "oddSize" */ + if (oddSize) { + descCount++; + } + + /* Find the number of descriptor needed for total "srcTs" */ + if (srcTs) { + descCount += ((srcTs - 1) / maxBlockSize) + 1; + } + + return descCount; +} + +/****************************************************************************/ +/** +* @brief Check the existance of pending descriptor +* +* This function confirmes if there is any pending descriptor in the chain +* to program the channel +* +* @return 1 : Channel need to be programmed with pending descriptor +* 0 : No more pending descriptor to programe the channel +* +* @note +* - This function should be called from ISR in case there are pending +* descriptor to program the channel. +* +* Example: +* +* dmac_isr () +* { +* ... +* if (dmacHw_descriptorPending (handle)) +* { +* dmacHw_initiateTransfer (handle); +* } +* } +* +*/ +/****************************************************************************/ +uint32_t dmacHw_descriptorPending(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *pDescriptor /* [ IN ] Descriptor buffer */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + + /* Make sure channel is not busy */ + if (!CHANNEL_BUSY(pCblk->module, pCblk->channel)) { + /* Check if pEnd is not processed */ + if (pRing->pEnd) { + /* Something left for processing */ + return 1; + } + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Program channel register to stop transfer +* +* Ensures the channel is not doing any transfer after calling this function +* +* @return void +* +*/ +/****************************************************************************/ +void dmacHw_stopTransfer(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk; + + pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + /* Stop the channel */ + dmacHw_DMA_STOP(pCblk->module, pCblk->channel); +} + +/****************************************************************************/ +/** +* @brief Deallocates source or destination memory, allocated +* +* This function can be called to deallocate data memory that was DMAed successfully +* +* @return On failure : -1 +* On success : Number of buffer freed +* +* @note +* This function will be called ONLY, when source OR destination address is pointing +* to dynamic memory +*/ +/****************************************************************************/ +int dmacHw_freeMem(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void (*fpFree) (void *) /* [ IN ] Function pointer to free data memory */ + ) { + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + uint32_t count = 0; + + if (fpFree == NULL) { + return -1; + } + + while ((pRing->pFree != pRing->pTail) + && (pRing->pFree->ctl.lo & dmacHw_DESC_FREE)) { + if (pRing->pFree->devCtl == dmacHw_FREE_USER_MEMORY) { + /* Identify, which memory to free */ + if (dmacHw_DST_IS_MEMORY(pConfig->transferType)) { + (*fpFree) ((void *)pRing->pFree->dar); + } else { + /* Destination was a peripheral */ + (*fpFree) ((void *)pRing->pFree->sar); + } + /* Unmark user memory to indicate it is freed */ + pRing->pFree->devCtl = ~dmacHw_FREE_USER_MEMORY; + } + dmacHw_NEXT_DESC(pRing, pFree); + + count++; + } + + return count; +} + +/****************************************************************************/ +/** +* @brief Prepares descriptor ring, when source peripheral working as a flow controller +* +* This function will update the discriptor ring by allocating buffers, when source peripheral +* has to work as a flow controller to transfer data from: +* - Peripheral to memory. +* +* @return On failure : -1 +* On success : Number of descriptor updated +* +* +* @note +* Channel must be configured for peripheral to memory transfer +* +*/ +/****************************************************************************/ +int dmacHw_setVariableDataDescriptor(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + uint32_t srcAddr, /* [ IN ] Source peripheral address */ + void *(*fpAlloc) (int len), /* [ IN ] Function pointer that provides destination memory */ + int len, /* [ IN ] Number of bytes "fpAlloc" will allocate for destination */ + int num /* [ IN ] Number of descriptor to set */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + dmacHw_DESC_t *pProg = NULL; + dmacHw_DESC_t *pLast = NULL; + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + uint32_t dstAddr; + uint32_t controlParam; + int i; + + dmacHw_ASSERT(pConfig->transferType == + dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM); + + if (num > pRing->num) { + return -1; + } + + pLast = pRing->pEnd; /* Last descriptor updated */ + pProg = pRing->pHead; /* First descriptor in the new list */ + + controlParam = pConfig->srcUpdate | + pConfig->dstUpdate | + pConfig->srcMaxTransactionWidth | + pConfig->dstMaxTransactionWidth | + pConfig->srcMasterInterface | + pConfig->dstMasterInterface | + pConfig->srcMaxBurstWidth | + pConfig->dstMaxBurstWidth | + dmacHw_REG_CTL_TTFC_PM_PERI | + dmacHw_REG_CTL_LLP_DST_EN | + dmacHw_REG_CTL_LLP_SRC_EN | dmacHw_REG_CTL_INT_EN; + + for (i = 0; i < num; i++) { + /* Allocate Rx buffer only for idle descriptor */ + if (((pRing->pHead->ctl.hi & dmacHw_DESC_FREE) == 0) || + ((dmacHw_DESC_t *) pRing->pHead->llp == pRing->pTail) + ) { + /* Rx descriptor is not idle */ + break; + } + /* Set source address */ + pRing->pHead->sar = srcAddr; + if (fpAlloc) { + /* Allocate memory for buffer in descriptor */ + dstAddr = (uint32_t) (*fpAlloc) (len); + /* Check the destination address */ + if (dstAddr == 0) { + if (i == 0) { + /* Not a single descriptor is available */ + return -1; + } + break; + } + /* Set destination address */ + pRing->pHead->dar = dstAddr; + } + /* Set control information */ + pRing->pHead->ctl.lo = controlParam; + /* Use "devCtl" to mark the memory that need to be freed later */ + pRing->pHead->devCtl = dmacHw_FREE_USER_MEMORY; + /* Descriptor is now owned by the channel */ + pRing->pHead->ctl.hi = 0; + /* Remember the descriptor last updated */ + pRing->pEnd = pRing->pHead; + /* Update next descriptor */ + dmacHw_NEXT_DESC(pRing, pHead); + } + + /* Mark the end of the list */ + pRing->pEnd->ctl.lo &= + ~(dmacHw_REG_CTL_LLP_DST_EN | dmacHw_REG_CTL_LLP_SRC_EN); + /* Connect the list */ + if (pLast != pProg) { + pLast->ctl.lo |= + dmacHw_REG_CTL_LLP_DST_EN | dmacHw_REG_CTL_LLP_SRC_EN; + } + /* Mark the descriptors are updated */ + pCblk->descUpdated = 1; + if (!pCblk->varDataStarted) { + /* LLP must be pointing to the first descriptor */ + dmacHw_SET_LLP(pCblk->module, pCblk->channel, + (uint32_t) pProg - pRing->virt2PhyOffset); + /* Channel, handling variable data started */ + pCblk->varDataStarted = 1; + } + + return i; +} + +/****************************************************************************/ +/** +* @brief Read data DMAed to memory +* +* This function will read data that has been DMAed to memory while transfering from: +* - Memory to memory +* - Peripheral to memory +* +* @param handle - +* @param ppBbuf - +* @param pLen - +* +* @return 0 - No more data is available to read +* 1 - More data might be available to read +* +*/ +/****************************************************************************/ +int dmacHw_readTransferredData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void **ppBbuf, /* [ OUT ] Data received */ + size_t *pLlen /* [ OUT ] Length of the data received */ + ) { + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + + (void)handle; + + if (pConfig->transferMode != dmacHw_TRANSFER_MODE_CONTINUOUS) { + if (((pRing->pTail->ctl.hi & dmacHw_DESC_FREE) == 0) || + (pRing->pTail == pRing->pHead) + ) { + /* No receive data available */ + *ppBbuf = (char *)NULL; + *pLlen = 0; + + return 0; + } + } + + /* Return read buffer and length */ + *ppBbuf = (char *)pRing->pTail->dar; + + /* Extract length of the received data */ + if (DmaIsFlowController(pDescriptor)) { + uint32_t srcTrSize = 0; + + switch (pRing->pTail->ctl.lo & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) { + case dmacHw_REG_CTL_SRC_TR_WIDTH_8: + srcTrSize = 1; + break; + case dmacHw_REG_CTL_SRC_TR_WIDTH_16: + srcTrSize = 2; + break; + case dmacHw_REG_CTL_SRC_TR_WIDTH_32: + srcTrSize = 4; + break; + case dmacHw_REG_CTL_SRC_TR_WIDTH_64: + srcTrSize = 8; + break; + default: + dmacHw_ASSERT(0); + } + /* Calculate length from the block size */ + *pLlen = + (pRing->pTail->ctl.hi & dmacHw_REG_CTL_BLOCK_TS_MASK) * + srcTrSize; + } else { + /* Extract length from the source peripheral */ + *pLlen = pRing->pTail->sstat; + } + + /* Advance tail to next descriptor */ + dmacHw_NEXT_DESC(pRing, pTail); + + return 1; +} + +/****************************************************************************/ +/** +* @brief Set descriptor carrying control information +* +* This function will be used to send specific control information to the device +* using the DMA channel +* +* +* @return -1 - On failure +* 0 - On success +* +* @note +* None +*/ +/****************************************************************************/ +int dmacHw_setControlDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + uint32_t ctlAddress, /* [ IN ] Address of the device control register */ + uint32_t control /* [ IN ] Device control information */ + ) { + dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor); + + if (ctlAddress == 0) { + return -1; + } + + /* Check the availability of descriptors in the ring */ + if ((pRing->pHead->ctl.hi & dmacHw_DESC_FREE) == 0) { + return -1; + } + /* Set control information */ + pRing->pHead->devCtl = control; + /* Set source and destination address */ + pRing->pHead->sar = (uint32_t) &pRing->pHead->devCtl; + pRing->pHead->dar = ctlAddress; + /* Set control parameters */ + if (pConfig->flowControler == dmacHw_FLOW_CONTROL_DMA) { + pRing->pHead->ctl.lo = pConfig->transferType | + dmacHw_SRC_ADDRESS_UPDATE_MODE_INC | + dmacHw_DST_ADDRESS_UPDATE_MODE_INC | + dmacHw_SRC_TRANSACTION_WIDTH_32 | + pConfig->dstMaxTransactionWidth | + dmacHw_SRC_BURST_WIDTH_0 | + dmacHw_DST_BURST_WIDTH_0 | + pConfig->srcMasterInterface | + pConfig->dstMasterInterface | dmacHw_REG_CTL_INT_EN; + } else { + uint32_t transferType = 0; + switch (pConfig->transferType) { + case dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM: + transferType = dmacHw_REG_CTL_TTFC_PM_PERI; + break; + case dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL: + transferType = dmacHw_REG_CTL_TTFC_MP_PERI; + break; + default: + dmacHw_ASSERT(0); + } + pRing->pHead->ctl.lo = transferType | + dmacHw_SRC_ADDRESS_UPDATE_MODE_INC | + dmacHw_DST_ADDRESS_UPDATE_MODE_INC | + dmacHw_SRC_TRANSACTION_WIDTH_32 | + pConfig->dstMaxTransactionWidth | + dmacHw_SRC_BURST_WIDTH_0 | + dmacHw_DST_BURST_WIDTH_0 | + pConfig->srcMasterInterface | + pConfig->dstMasterInterface | + pConfig->flowControler | dmacHw_REG_CTL_INT_EN; + } + + /* Set block transaction size to one 32 bit transaction */ + pRing->pHead->ctl.hi = dmacHw_REG_CTL_BLOCK_TS_MASK & 1; + + /* Remember the descriptor to initialize the registers */ + if (pRing->pProg == dmacHw_DESC_INIT) { + pRing->pProg = pRing->pHead; + } + pRing->pEnd = pRing->pHead; + + /* Advance the descriptor */ + dmacHw_NEXT_DESC(pRing, pHead); + + /* Update Tail pointer if destination is a peripheral */ + if (!dmacHw_DST_IS_MEMORY(pConfig->transferType)) { + pRing->pTail = pRing->pHead; + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Sets channel specific user data +* +* This function associates user data to a specif DMA channel +* +*/ +/****************************************************************************/ +void dmacHw_setChannelUserData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *userData /* [ IN ] User data */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + pCblk->userData = userData; +} + +/****************************************************************************/ +/** +* @brief Gets channel specific user data +* +* This function returns user data specific to a DMA channel +* +* @return user data +*/ +/****************************************************************************/ +void *dmacHw_getChannelUserData(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + return pCblk->userData; +} + +/****************************************************************************/ +/** +* @brief Resets descriptor control information +* +* @return void +*/ +/****************************************************************************/ +void dmacHw_resetDescriptorControl(void *pDescriptor /* [ IN ] Descriptor buffer */ + ) { + int i; + dmacHw_DESC_RING_t *pRing; + dmacHw_DESC_t *pDesc; + + pRing = dmacHw_GET_DESC_RING(pDescriptor); + pDesc = pRing->pHead; + + for (i = 0; i < pRing->num; i++) { + /* Mark descriptor is ready to use */ + pDesc->ctl.hi = dmacHw_DESC_FREE; + /* Look into next link list item */ + pDesc++; + } + pRing->pFree = pRing->pTail = pRing->pEnd = pRing->pHead; + pRing->pProg = dmacHw_DESC_INIT; +} + +/****************************************************************************/ +/** +* @brief Displays channel specific registers and other control parameters +* +* @return void +* +* +* @note +* None +*/ +/****************************************************************************/ +void dmacHw_printDebugInfo(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ + ) { + dmacHw_CBLK_t *pCblk = dmacHw_HANDLE_TO_CBLK(handle); + + DisplayRegisterContents(pCblk->module, pCblk->channel, fpPrint); + DisplayDescRing(pDescriptor, fpPrint); +} diff --git a/arch/arm/mach-bcmring/csp/tmr/Makefile b/arch/arm/mach-bcmring/csp/tmr/Makefile new file mode 100644 index 0000000..244a61a --- /dev/null +++ b/arch/arm/mach-bcmring/csp/tmr/Makefile @@ -0,0 +1 @@ +obj-y += tmrHw.o diff --git a/arch/arm/mach-bcmring/csp/tmr/tmrHw.c b/arch/arm/mach-bcmring/csp/tmr/tmrHw.c new file mode 100644 index 0000000..5c1c9a0 --- /dev/null +++ b/arch/arm/mach-bcmring/csp/tmr/tmrHw.c @@ -0,0 +1,576 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file tmrHw.c +* +* @brief Low level Timer driver routines +* +* @note +* +* These routines provide basic timer functionality only. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/errno.h> +#include <csp/stdint.h> + +#include <csp/tmrHw.h> +#include <mach/csp/tmrHw_reg.h> + +#define tmrHw_ASSERT(a) if (!(a)) *(char *)0 = 0 +#define tmrHw_MILLISEC_PER_SEC (1000) + +#define tmrHw_LOW_1_RESOLUTION_COUNT (tmrHw_LOW_RESOLUTION_CLOCK / tmrHw_MILLISEC_PER_SEC) +#define tmrHw_LOW_1_MAX_MILLISEC (0xFFFFFFFF / tmrHw_LOW_1_RESOLUTION_COUNT) +#define tmrHw_LOW_16_RESOLUTION_COUNT (tmrHw_LOW_1_RESOLUTION_COUNT / 16) +#define tmrHw_LOW_16_MAX_MILLISEC (0xFFFFFFFF / tmrHw_LOW_16_RESOLUTION_COUNT) +#define tmrHw_LOW_256_RESOLUTION_COUNT (tmrHw_LOW_1_RESOLUTION_COUNT / 256) +#define tmrHw_LOW_256_MAX_MILLISEC (0xFFFFFFFF / tmrHw_LOW_256_RESOLUTION_COUNT) + +#define tmrHw_HIGH_1_RESOLUTION_COUNT (tmrHw_HIGH_RESOLUTION_CLOCK / tmrHw_MILLISEC_PER_SEC) +#define tmrHw_HIGH_1_MAX_MILLISEC (0xFFFFFFFF / tmrHw_HIGH_1_RESOLUTION_COUNT) +#define tmrHw_HIGH_16_RESOLUTION_COUNT (tmrHw_HIGH_1_RESOLUTION_COUNT / 16) +#define tmrHw_HIGH_16_MAX_MILLISEC (0xFFFFFFFF / tmrHw_HIGH_16_RESOLUTION_COUNT) +#define tmrHw_HIGH_256_RESOLUTION_COUNT (tmrHw_HIGH_1_RESOLUTION_COUNT / 256) +#define tmrHw_HIGH_256_MAX_MILLISEC (0xFFFFFFFF / tmrHw_HIGH_256_RESOLUTION_COUNT) + +static void ResetTimer(tmrHw_ID_t timerId) + __attribute__ ((section(".aramtext"))); +static int tmrHw_divide(int num, int denom) + __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Get timer capability +* +* This function returns various capabilities/attributes of a timer +* +* @return Capability +* +*/ +/****************************************************************************/ +uint32_t tmrHw_getTimerCapability(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_CAPABILITY_e capability /* [ IN ] Timer capability */ +) { + switch (capability) { + case tmrHw_CAPABILITY_CLOCK: + return (timerId <= + 1) ? tmrHw_LOW_RESOLUTION_CLOCK : + tmrHw_HIGH_RESOLUTION_CLOCK; + case tmrHw_CAPABILITY_RESOLUTION: + return 32; + default: + return 0; + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Resets a timer +* +* This function initializes timer +* +* @return void +* +*/ +/****************************************************************************/ +static void ResetTimer(tmrHw_ID_t timerId /* [ IN ] Timer Id */ +) { + /* Reset timer */ + pTmrHw[timerId].LoadValue = 0; + pTmrHw[timerId].CurrentValue = 0xFFFFFFFF; + pTmrHw[timerId].Control = 0; + pTmrHw[timerId].BackgroundLoad = 0; + /* Always configure as a 32 bit timer */ + pTmrHw[timerId].Control |= tmrHw_CONTROL_32BIT; + /* Clear interrupt only if raw status interrupt is set */ + if (pTmrHw[timerId].RawInterruptStatus) { + pTmrHw[timerId].InterruptClear = 0xFFFFFFFF; + } +} + +/****************************************************************************/ +/** +* @brief Sets counter value for an interval in ms +* +* @return On success: Effective counter value set +* On failure: 0 +* +*/ +/****************************************************************************/ +static tmrHw_INTERVAL_t SetTimerPeriod(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in milli-second */ +) { + uint32_t scale = 0; + uint32_t count = 0; + + if (timerId == 0 || timerId == 1) { + if (msec <= tmrHw_LOW_1_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_1; + scale = tmrHw_LOW_1_RESOLUTION_COUNT; + } else if (msec <= tmrHw_LOW_16_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_16; + scale = tmrHw_LOW_16_RESOLUTION_COUNT; + } else if (msec <= tmrHw_LOW_256_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_256; + scale = tmrHw_LOW_256_RESOLUTION_COUNT; + } else { + return 0; + } + + count = msec * scale; + /* Set counter value */ + pTmrHw[timerId].LoadValue = count; + pTmrHw[timerId].BackgroundLoad = count; + + } else if (timerId == 2 || timerId == 3) { + if (msec <= tmrHw_HIGH_1_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_1; + scale = tmrHw_HIGH_1_RESOLUTION_COUNT; + } else if (msec <= tmrHw_HIGH_16_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_16; + scale = tmrHw_HIGH_16_RESOLUTION_COUNT; + } else if (msec <= tmrHw_HIGH_256_MAX_MILLISEC) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_256; + scale = tmrHw_HIGH_256_RESOLUTION_COUNT; + } else { + return 0; + } + + count = msec * scale; + /* Set counter value */ + pTmrHw[timerId].LoadValue = count; + pTmrHw[timerId].BackgroundLoad = count; + } + return count / scale; +} + +/****************************************************************************/ +/** +* @brief Configures a periodic timer in terms of timer interrupt rate +* +* This function initializes a periodic timer to generate specific number of +* timer interrupt per second +* +* @return On success: Effective timer frequency +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setPeriodicTimerRate(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_RATE_t rate /* [ IN ] Number of timer interrupt per second */ +) { + uint32_t resolution = 0; + uint32_t count = 0; + ResetTimer(timerId); + + /* Set timer mode periodic */ + pTmrHw[timerId].Control |= tmrHw_CONTROL_PERIODIC; + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_ONESHOT; + /* Set timer in highest resolution */ + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_1; + + if (rate && (timerId == 0 || timerId == 1)) { + if (rate > tmrHw_LOW_RESOLUTION_CLOCK) { + return 0; + } + resolution = tmrHw_LOW_RESOLUTION_CLOCK; + } else if (rate && (timerId == 2 || timerId == 3)) { + if (rate > tmrHw_HIGH_RESOLUTION_CLOCK) { + return 0; + } else { + resolution = tmrHw_HIGH_RESOLUTION_CLOCK; + } + } else { + return 0; + } + /* Find the counter value */ + count = resolution / rate; + /* Set counter value */ + pTmrHw[timerId].LoadValue = count; + pTmrHw[timerId].BackgroundLoad = count; + + return resolution / count; +} + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt after +* certain time interval +* +* This function initializes a periodic timer to generate timer interrupt +* after every time interval in millisecond +* +* @return On success: Effective interval set in milli-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setPeriodicTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in milli-second */ +) { + ResetTimer(timerId); + + /* Set timer mode periodic */ + pTmrHw[timerId].Control |= tmrHw_CONTROL_PERIODIC; + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_ONESHOT; + + return SetTimerPeriod(timerId, msec); +} + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt just once +* after certain time interval +* +* This function initializes a periodic timer to generate a single ticks after +* certain time interval in millisecond +* +* @return On success: Effective interval set in milli-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setOneshotTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in milli-second */ +) { + ResetTimer(timerId); + + /* Set timer mode oneshot */ + pTmrHw[timerId].Control |= tmrHw_CONTROL_PERIODIC; + pTmrHw[timerId].Control |= tmrHw_CONTROL_ONESHOT; + + return SetTimerPeriod(timerId, msec); +} + +/****************************************************************************/ +/** +* @brief Configures a timer to run as a free running timer +* +* This function initializes a timer to run as a free running timer +* +* @return Timer resolution (count / sec) +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setFreeRunningTimer(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + uint32_t divider /* [ IN ] Dividing the clock frequency */ +) { + uint32_t scale = 0; + + ResetTimer(timerId); + /* Set timer as free running mode */ + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_PERIODIC; + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_ONESHOT; + + if (divider >= 64) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_256; + scale = 256; + } else if (divider >= 8) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_16; + scale = 16; + } else { + pTmrHw[timerId].Control |= tmrHw_CONTROL_PRESCALE_1; + scale = 1; + } + + if (timerId == 0 || timerId == 1) { + return tmrHw_divide(tmrHw_LOW_RESOLUTION_CLOCK, scale); + } else if (timerId == 2 || timerId == 3) { + return tmrHw_divide(tmrHw_HIGH_RESOLUTION_CLOCK, scale); + } + + return 0; +} + +/****************************************************************************/ +/** +* @brief Starts a timer +* +* This function starts a preconfigured timer +* +* @return -1 - On Failure +* 0 - On Success +* +*/ +/****************************************************************************/ +int tmrHw_startTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_TIMER_ENABLE; + return 0; +} + +/****************************************************************************/ +/** +* @brief Stops a timer +* +* This function stops a running timer +* +* @return -1 - On Failure +* 0 - On Success +* +*/ +/****************************************************************************/ +int tmrHw_stopTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_TIMER_ENABLE; + return 0; +} + +/****************************************************************************/ +/** +* @brief Gets current timer count +* +* This function returns the current timer value +* +* @return Current downcounting timer value +* +*/ +/****************************************************************************/ +uint32_t tmrHw_GetCurrentCount(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + /* return 32 bit timer value */ + switch (pTmrHw[timerId].Control & tmrHw_CONTROL_MODE_MASK) { + case tmrHw_CONTROL_FREE_RUNNING: + if (pTmrHw[timerId].CurrentValue) { + return tmrHw_MAX_COUNT - pTmrHw[timerId].CurrentValue; + } + break; + case tmrHw_CONTROL_PERIODIC: + case tmrHw_CONTROL_ONESHOT: + return pTmrHw[timerId].BackgroundLoad - + pTmrHw[timerId].CurrentValue; + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Gets timer count rate +* +* This function returns the number of counts per second +* +* @return Count rate +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_getCountRate(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + uint32_t divider = 0; + + switch (pTmrHw[timerId].Control & tmrHw_CONTROL_PRESCALE_MASK) { + case tmrHw_CONTROL_PRESCALE_1: + divider = 1; + break; + case tmrHw_CONTROL_PRESCALE_16: + divider = 16; + break; + case tmrHw_CONTROL_PRESCALE_256: + divider = 256; + break; + default: + tmrHw_ASSERT(0); + } + + if (timerId == 0 || timerId == 1) { + return tmrHw_divide(tmrHw_LOW_RESOLUTION_CLOCK, divider); + } else { + return tmrHw_divide(tmrHw_HIGH_RESOLUTION_CLOCK, divider); + } + return 0; +} + +/****************************************************************************/ +/** +* @brief Enables timer interrupt +* +* This function enables the timer interrupt +* +* @return N/A +* +*/ +/****************************************************************************/ +void tmrHw_enableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + pTmrHw[timerId].Control |= tmrHw_CONTROL_INTERRUPT_ENABLE; +} + +/****************************************************************************/ +/** +* @brief Disables timer interrupt +* +* This function disable the timer interrupt +* +* @return N/A +* +*/ +/****************************************************************************/ +void tmrHw_disableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + pTmrHw[timerId].Control &= ~tmrHw_CONTROL_INTERRUPT_ENABLE; +} + +/****************************************************************************/ +/** +* @brief Clears the interrupt +* +* This function clears the timer interrupt +* +* @return N/A +* +* @note +* Must be called under the context of ISR +*/ +/****************************************************************************/ +void tmrHw_clearInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + pTmrHw[timerId].InterruptClear = 0x1; +} + +/****************************************************************************/ +/** +* @brief Gets the interrupt status +* +* This function returns timer interrupt status +* +* @return Interrupt status +*/ +/****************************************************************************/ +tmrHw_INTERRUPT_STATUS_e tmrHw_getInterruptStatus(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) { + if (pTmrHw[timerId].InterruptStatus) { + return tmrHw_INTERRUPT_STATUS_SET; + } else { + return tmrHw_INTERRUPT_STATUS_UNSET; + } +} + +/****************************************************************************/ +/** +* @brief Indentifies a timer causing interrupt +* +* This functions returns a timer causing interrupt +* +* @return 0xFFFFFFFF : No timer causing an interrupt +* ! 0xFFFFFFFF : timer causing an interrupt +* @note +* tmrHw_clearIntrrupt() must be called with a valid timer id after calling this function +*/ +/****************************************************************************/ +tmrHw_ID_t tmrHw_getInterruptSource(void /* void */ +) { + int i; + + for (i = 0; i < tmrHw_TIMER_NUM_COUNT; i++) { + if (pTmrHw[i].InterruptStatus) { + return i; + } + } + + return 0xFFFFFFFF; +} + +/****************************************************************************/ +/** +* @brief Displays specific timer registers +* +* +* @return void +* +*/ +/****************************************************************************/ +void tmrHw_printDebugInfo(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ +) { + (*fpPrint) ("Displaying register contents \n\n"); + (*fpPrint) ("Timer %d: Load value 0x%X\n", timerId, + pTmrHw[timerId].LoadValue); + (*fpPrint) ("Timer %d: Background load value 0x%X\n", timerId, + pTmrHw[timerId].BackgroundLoad); + (*fpPrint) ("Timer %d: Control 0x%X\n", timerId, + pTmrHw[timerId].Control); + (*fpPrint) ("Timer %d: Interrupt clear 0x%X\n", timerId, + pTmrHw[timerId].InterruptClear); + (*fpPrint) ("Timer %d: Interrupt raw interrupt 0x%X\n", timerId, + pTmrHw[timerId].RawInterruptStatus); + (*fpPrint) ("Timer %d: Interrupt status 0x%X\n", timerId, + pTmrHw[timerId].InterruptStatus); +} + +/****************************************************************************/ +/** +* @brief Use a timer to perform a busy wait delay for a number of usecs. +* +* @return N/A +*/ +/****************************************************************************/ +void tmrHw_udelay(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + unsigned long usecs /* [ IN ] usec to delay */ +) { + tmrHw_RATE_t usec_tick_rate; + tmrHw_COUNT_t start_time; + tmrHw_COUNT_t delta_time; + + start_time = tmrHw_GetCurrentCount(timerId); + usec_tick_rate = tmrHw_divide(tmrHw_getCountRate(timerId), 1000000); + delta_time = usecs * usec_tick_rate; + + /* Busy wait */ + while (delta_time > (tmrHw_GetCurrentCount(timerId) - start_time)) + ; +} + +/****************************************************************************/ +/** +* @brief Local Divide function +* +* This function does the divide +* +* @return divide value +* +*/ +/****************************************************************************/ +static int tmrHw_divide(int num, int denom) +{ + int r; + int t = 1; + + /* Shift denom and t up to the largest value to optimize algorithm */ + /* t contains the units of each divide */ + while ((denom & 0x40000000) == 0) { /* fails if denom=0 */ + denom = denom << 1; + t = t << 1; + } + + /* Intialize the result */ + r = 0; + + do { + /* Determine if there exists a positive remainder */ + if ((num - denom) >= 0) { + /* Accumlate t to the result and calculate a new remainder */ + num = num - denom; + r = r + t; + } + /* Continue to shift denom and shift t down to 0 */ + denom = denom >> 1; + t = t >> 1; + } while (t != 0); + return r; +} diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c new file mode 100644 index 0000000..7b20fcc --- /dev/null +++ b/arch/arm/mach-bcmring/dma.c @@ -0,0 +1,2321 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dma.c +* +* @brief Implements the DMA interface. +*/ +/****************************************************************************/ + +/* ---- Include Files ---------------------------------------------------- */ + +#include <linux/module.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/interrupt.h> +#include <linux/irqreturn.h> +#include <linux/proc_fs.h> + +#include <mach/timer.h> + +#include <linux/mm.h> +#include <linux/pfn.h> +#include <asm/atomic.h> +#include <mach/dma.h> + +/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ +/* especially since dc4 doesn't use kmalloc'd memory. */ + +#define ALLOW_MAP_OF_KMALLOC_MEMORY 0 + +/* ---- Public Variables ------------------------------------------------- */ + +/* ---- Private Constants and Types -------------------------------------- */ + +#define MAKE_HANDLE(controllerIdx, channelIdx) (((controllerIdx) << 4) | (channelIdx)) + +#define CONTROLLER_FROM_HANDLE(handle) (((handle) >> 4) & 0x0f) +#define CHANNEL_FROM_HANDLE(handle) ((handle) & 0x0f) + +#define DMA_MAP_DEBUG 0 + +#if DMA_MAP_DEBUG +# define DMA_MAP_PRINT(fmt, args...) printk("%s: " fmt, __func__, ## args) +#else +# define DMA_MAP_PRINT(fmt, args...) +#endif + +/* ---- Private Variables ------------------------------------------------ */ + +static DMA_Global_t gDMA; +static struct proc_dir_entry *gDmaDir; + +static atomic_t gDmaStatMemTypeKmalloc = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeVmalloc = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeUser = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0); + +#include "dma_device.c" + +/* ---- Private Function Prototypes -------------------------------------- */ + +/* ---- Functions ------------------------------------------------------- */ + +/****************************************************************************/ +/** +* Displays information for /proc/dma/mem-type +*/ +/****************************************************************************/ + +static int dma_proc_read_mem_type(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + + len += sprintf(buf + len, "dma_map_mem statistics\n"); + len += + sprintf(buf + len, "coherent: %d\n", + atomic_read(&gDmaStatMemTypeCoherent)); + len += + sprintf(buf + len, "kmalloc: %d\n", + atomic_read(&gDmaStatMemTypeKmalloc)); + len += + sprintf(buf + len, "vmalloc: %d\n", + atomic_read(&gDmaStatMemTypeVmalloc)); + len += + sprintf(buf + len, "user: %d\n", + atomic_read(&gDmaStatMemTypeUser)); + + return len; +} + +/****************************************************************************/ +/** +* Displays information for /proc/dma/channels +*/ +/****************************************************************************/ + +static int dma_proc_read_channels(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int controllerIdx; + int channelIdx; + int limit = count - 200; + int len = 0; + DMA_Channel_t *channel; + + if (down_interruptible(&gDMA.lock) < 0) { + return -ERESTARTSYS; + } + + for (controllerIdx = 0; controllerIdx < DMA_NUM_CONTROLLERS; + controllerIdx++) { + for (channelIdx = 0; channelIdx < DMA_NUM_CHANNELS; + channelIdx++) { + if (len >= limit) { + break; + } + + channel = + &gDMA.controller[controllerIdx].channel[channelIdx]; + + len += + sprintf(buf + len, "%d:%d ", controllerIdx, + channelIdx); + + if ((channel->flags & DMA_CHANNEL_FLAG_IS_DEDICATED) != + 0) { + len += + sprintf(buf + len, "Dedicated for %s ", + DMA_gDeviceAttribute[channel-> + devType].name); + } else { + len += sprintf(buf + len, "Shared "); + } + + if ((channel->flags & DMA_CHANNEL_FLAG_NO_ISR) != 0) { + len += sprintf(buf + len, "No ISR "); + } + + if ((channel->flags & DMA_CHANNEL_FLAG_LARGE_FIFO) != 0) { + len += sprintf(buf + len, "Fifo: 128 "); + } else { + len += sprintf(buf + len, "Fifo: 64 "); + } + + if ((channel->flags & DMA_CHANNEL_FLAG_IN_USE) != 0) { + len += + sprintf(buf + len, "InUse by %s", + DMA_gDeviceAttribute[channel-> + devType].name); +#if (DMA_DEBUG_TRACK_RESERVATION) + len += + sprintf(buf + len, " (%s:%d)", + channel->fileName, + channel->lineNum); +#endif + } else { + len += sprintf(buf + len, "Avail "); + } + + if (channel->lastDevType != DMA_DEVICE_NONE) { + len += + sprintf(buf + len, "Last use: %s ", + DMA_gDeviceAttribute[channel-> + lastDevType]. + name); + } + + len += sprintf(buf + len, "\n"); + } + } + up(&gDMA.lock); + *eof = 1; + + return len; +} + +/****************************************************************************/ +/** +* Displays information for /proc/dma/devices +*/ +/****************************************************************************/ + +static int dma_proc_read_devices(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int limit = count - 200; + int len = 0; + int devIdx; + + if (down_interruptible(&gDMA.lock) < 0) { + return -ERESTARTSYS; + } + + for (devIdx = 0; devIdx < DMA_NUM_DEVICE_ENTRIES; devIdx++) { + DMA_DeviceAttribute_t *devAttr = &DMA_gDeviceAttribute[devIdx]; + + if (devAttr->name == NULL) { + continue; + } + + if (len >= limit) { + break; + } + + len += sprintf(buf + len, "%-12s ", devAttr->name); + + if ((devAttr->flags & DMA_DEVICE_FLAG_IS_DEDICATED) != 0) { + len += + sprintf(buf + len, "Dedicated %d:%d ", + devAttr->dedicatedController, + devAttr->dedicatedChannel); + } else { + len += sprintf(buf + len, "Shared DMA:"); + if ((devAttr->flags & DMA_DEVICE_FLAG_ON_DMA0) != 0) { + len += sprintf(buf + len, "0"); + } + if ((devAttr->flags & DMA_DEVICE_FLAG_ON_DMA1) != 0) { + len += sprintf(buf + len, "1"); + } + len += sprintf(buf + len, " "); + } + if ((devAttr->flags & DMA_DEVICE_FLAG_NO_ISR) != 0) { + len += sprintf(buf + len, "NoISR "); + } + if ((devAttr->flags & DMA_DEVICE_FLAG_ALLOW_LARGE_FIFO) != 0) { + len += sprintf(buf + len, "Allow-128 "); + } + + len += + sprintf(buf + len, + "Xfer #: %Lu Ticks: %Lu Bytes: %Lu DescLen: %u\n", + devAttr->numTransfers, devAttr->transferTicks, + devAttr->transferBytes, + devAttr->ring.bytesAllocated); + + } + + up(&gDMA.lock); + *eof = 1; + + return len; +} + +/****************************************************************************/ +/** +* Determines if a DMA_Device_t is "valid". +* +* @return +* TRUE - dma device is valid +* FALSE - dma device isn't valid +*/ +/****************************************************************************/ + +static inline int IsDeviceValid(DMA_Device_t device) +{ + return (device >= 0) && (device < DMA_NUM_DEVICE_ENTRIES); +} + +/****************************************************************************/ +/** +* Translates a DMA handle into a pointer to a channel. +* +* @return +* non-NULL - pointer to DMA_Channel_t +* NULL - DMA Handle was invalid +*/ +/****************************************************************************/ + +static inline DMA_Channel_t *HandleToChannel(DMA_Handle_t handle) +{ + int controllerIdx; + int channelIdx; + + controllerIdx = CONTROLLER_FROM_HANDLE(handle); + channelIdx = CHANNEL_FROM_HANDLE(handle); + + if ((controllerIdx > DMA_NUM_CONTROLLERS) + || (channelIdx > DMA_NUM_CHANNELS)) { + return NULL; + } + return &gDMA.controller[controllerIdx].channel[channelIdx]; +} + +/****************************************************************************/ +/** +* Interrupt handler which is called to process DMA interrupts. +*/ +/****************************************************************************/ + +static irqreturn_t dma_interrupt_handler(int irq, void *dev_id) +{ + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + int irqStatus; + + channel = (DMA_Channel_t *) dev_id; + + /* Figure out why we were called, and knock down the interrupt */ + + irqStatus = dmacHw_getInterruptStatus(channel->dmacHwHandle); + dmacHw_clearInterrupt(channel->dmacHwHandle); + + if ((channel->devType < 0) + || (channel->devType > DMA_NUM_DEVICE_ENTRIES)) { + printk(KERN_ERR "dma_interrupt_handler: Invalid devType: %d\n", + channel->devType); + return IRQ_NONE; + } + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + /* Update stats */ + + if ((irqStatus & dmacHw_INTERRUPT_STATUS_TRANS) != 0) { + devAttr->transferTicks += + (timer_get_tick_count() - devAttr->transferStartTime); + } + + if ((irqStatus & dmacHw_INTERRUPT_STATUS_ERROR) != 0) { + printk(KERN_ERR + "dma_interrupt_handler: devType :%d DMA error (%s)\n", + channel->devType, devAttr->name); + } else { + devAttr->numTransfers++; + devAttr->transferBytes += devAttr->numBytes; + } + + /* Call any installed handler */ + + if (devAttr->devHandler != NULL) { + devAttr->devHandler(channel->devType, irqStatus, + devAttr->userData); + } + + return IRQ_HANDLED; +} + +/****************************************************************************/ +/** +* Allocates memory to hold a descriptor ring. The descriptor ring then +* needs to be populated by making one or more calls to +* dna_add_descriptors. +* +* The returned descriptor ring will be automatically initialized. +* +* @return +* 0 Descriptor ring was allocated successfully +* -EINVAL Invalid parameters passed in +* -ENOMEM Unable to allocate memory for the desired number of descriptors. +*/ +/****************************************************************************/ + +int dma_alloc_descriptor_ring(DMA_DescriptorRing_t *ring, /* Descriptor ring to populate */ + int numDescriptors /* Number of descriptors that need to be allocated. */ + ) { + size_t bytesToAlloc = dmacHw_descriptorLen(numDescriptors); + + if ((ring == NULL) || (numDescriptors <= 0)) { + return -EINVAL; + } + + ring->physAddr = 0; + ring->descriptorsAllocated = 0; + ring->bytesAllocated = 0; + + ring->virtAddr = dma_alloc_writecombine(NULL, + bytesToAlloc, + &ring->physAddr, + GFP_KERNEL); + if (ring->virtAddr == NULL) { + return -ENOMEM; + } + + ring->bytesAllocated = bytesToAlloc; + ring->descriptorsAllocated = numDescriptors; + + return dma_init_descriptor_ring(ring, numDescriptors); +} + +EXPORT_SYMBOL(dma_alloc_descriptor_ring); + +/****************************************************************************/ +/** +* Releases the memory which was previously allocated for a descriptor ring. +*/ +/****************************************************************************/ + +void dma_free_descriptor_ring(DMA_DescriptorRing_t *ring /* Descriptor to release */ + ) { + if (ring->virtAddr != NULL) { + dma_free_writecombine(NULL, + ring->bytesAllocated, + ring->virtAddr, ring->physAddr); + } + + ring->bytesAllocated = 0; + ring->descriptorsAllocated = 0; + ring->virtAddr = NULL; + ring->physAddr = 0; +} + +EXPORT_SYMBOL(dma_free_descriptor_ring); + +/****************************************************************************/ +/** +* Initializes a descriptor ring, so that descriptors can be added to it. +* Once a descriptor ring has been allocated, it may be reinitialized for +* use with additional/different regions of memory. +* +* Note that if 7 descriptors are allocated, it's perfectly acceptable to +* initialize the ring with a smaller number of descriptors. The amount +* of memory allocated for the descriptor ring will not be reduced, and +* the descriptor ring may be reinitialized later +* +* @return +* 0 Descriptor ring was initialized successfully +* -ENOMEM The descriptor which was passed in has insufficient space +* to hold the desired number of descriptors. +*/ +/****************************************************************************/ + +int dma_init_descriptor_ring(DMA_DescriptorRing_t *ring, /* Descriptor ring to initialize */ + int numDescriptors /* Number of descriptors to initialize. */ + ) { + if (ring->virtAddr == NULL) { + return -EINVAL; + } + if (dmacHw_initDescriptor(ring->virtAddr, + ring->physAddr, + ring->bytesAllocated, numDescriptors) < 0) { + printk(KERN_ERR + "dma_init_descriptor_ring: dmacHw_initDescriptor failed\n"); + return -ENOMEM; + } + + return 0; +} + +EXPORT_SYMBOL(dma_init_descriptor_ring); + +/****************************************************************************/ +/** +* Determines the number of descriptors which would be required for a +* transfer of the indicated memory region. +* +* This function also needs to know which DMA device this transfer will +* be destined for, so that the appropriate DMA configuration can be retrieved. +* DMA parameters such as transfer width, and whether this is a memory-to-memory +* or memory-to-peripheral, etc can all affect the actual number of descriptors +* required. +* +* @return +* > 0 Returns the number of descriptors required for the indicated transfer +* -ENODEV - Device handed in is invalid. +* -EINVAL Invalid parameters +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_calculate_descriptor_count(DMA_Device_t device, /* DMA Device that this will be associated with */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ) { + int numDescriptors; + DMA_DeviceAttribute_t *devAttr; + + if (!IsDeviceValid(device)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[device]; + + numDescriptors = dmacHw_calculateDescriptorCount(&devAttr->config, + (void *)srcData, + (void *)dstData, + numBytes); + if (numDescriptors < 0) { + printk(KERN_ERR + "dma_calculate_descriptor_count: dmacHw_calculateDescriptorCount failed\n"); + return -EINVAL; + } + + return numDescriptors; +} + +EXPORT_SYMBOL(dma_calculate_descriptor_count); + +/****************************************************************************/ +/** +* Adds a region of memory to the descriptor ring. Note that it may take +* multiple descriptors for each region of memory. It is the callers +* responsibility to allocate a sufficiently large descriptor ring. +* +* @return +* 0 Descriptors were added successfully +* -ENODEV Device handed in is invalid. +* -EINVAL Invalid parameters +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_add_descriptors(DMA_DescriptorRing_t *ring, /* Descriptor ring to add descriptors to */ + DMA_Device_t device, /* DMA Device that descriptors are for */ + dma_addr_t srcData, /* Place to get data (memory or device) */ + dma_addr_t dstData, /* Place to put data (memory or device) */ + size_t numBytes /* Number of bytes to transfer to the device */ + ) { + int rc; + DMA_DeviceAttribute_t *devAttr; + + if (!IsDeviceValid(device)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[device]; + + rc = dmacHw_setDataDescriptor(&devAttr->config, + ring->virtAddr, + (void *)srcData, + (void *)dstData, numBytes); + if (rc < 0) { + printk(KERN_ERR + "dma_add_descriptors: dmacHw_setDataDescriptor failed with code: %d\n", + rc); + return -ENOMEM; + } + + return 0; +} + +EXPORT_SYMBOL(dma_add_descriptors); + +/****************************************************************************/ +/** +* Sets the descriptor ring associated with a device. +* +* Once set, the descriptor ring will be associated with the device, even +* across channel request/free calls. Passing in a NULL descriptor ring +* will release any descriptor ring currently associated with the device. +* +* Note: If you call dma_transfer, or one of the other dma_alloc_ functions +* the descriptor ring may be released and reallocated. +* +* Note: This function will release the descriptor memory for any current +* descriptor ring associated with this device. +* +* @return +* 0 Descriptors were added successfully +* -ENODEV Device handed in is invalid. +*/ +/****************************************************************************/ + +int dma_set_device_descriptor_ring(DMA_Device_t device, /* Device to update the descriptor ring for. */ + DMA_DescriptorRing_t *ring /* Descriptor ring to add descriptors to */ + ) { + DMA_DeviceAttribute_t *devAttr; + + if (!IsDeviceValid(device)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[device]; + + /* Free the previously allocated descriptor ring */ + + dma_free_descriptor_ring(&devAttr->ring); + + if (ring != NULL) { + /* Copy in the new one */ + + devAttr->ring = *ring; + } + + /* Set things up so that if dma_transfer is called then this descriptor */ + /* ring will get freed. */ + + devAttr->prevSrcData = 0; + devAttr->prevDstData = 0; + devAttr->prevNumBytes = 0; + + return 0; +} + +EXPORT_SYMBOL(dma_set_device_descriptor_ring); + +/****************************************************************************/ +/** +* Retrieves the descriptor ring associated with a device. +* +* @return +* 0 Descriptors were added successfully +* -ENODEV Device handed in is invalid. +*/ +/****************************************************************************/ + +int dma_get_device_descriptor_ring(DMA_Device_t device, /* Device to retrieve the descriptor ring for. */ + DMA_DescriptorRing_t *ring /* Place to store retrieved ring */ + ) { + DMA_DeviceAttribute_t *devAttr; + + memset(ring, 0, sizeof(*ring)); + + if (!IsDeviceValid(device)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[device]; + + *ring = devAttr->ring; + + return 0; +} + +EXPORT_SYMBOL(dma_get_device_descriptor_ring); + +/****************************************************************************/ +/** +* Configures a DMA channel. +* +* @return +* >= 0 - Initialization was successfull. +* +* -EBUSY - Device is currently being used. +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +static int ConfigChannel(DMA_Handle_t handle) +{ + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + int controllerIdx; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[channel->devType]; + controllerIdx = CONTROLLER_FROM_HANDLE(handle); + + if ((devAttr->flags & DMA_DEVICE_FLAG_PORT_PER_DMAC) != 0) { + if (devAttr->config.transferType == + dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL) { + devAttr->config.dstPeripheralPort = + devAttr->dmacPort[controllerIdx]; + } else if (devAttr->config.transferType == + dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM) { + devAttr->config.srcPeripheralPort = + devAttr->dmacPort[controllerIdx]; + } + } + + if (dmacHw_configChannel(channel->dmacHwHandle, &devAttr->config) != 0) { + printk(KERN_ERR "ConfigChannel: dmacHw_configChannel failed\n"); + return -EIO; + } + + return 0; +} + +/****************************************************************************/ +/** +* Intializes all of the data structures associated with the DMA. +* @return +* >= 0 - Initialization was successfull. +* +* -EBUSY - Device is currently being used. +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +int dma_init(void) +{ + int rc = 0; + int controllerIdx; + int channelIdx; + DMA_Device_t devIdx; + DMA_Channel_t *channel; + DMA_Handle_t dedicatedHandle; + + memset(&gDMA, 0, sizeof(gDMA)); + + init_MUTEX_LOCKED(&gDMA.lock); + init_waitqueue_head(&gDMA.freeChannelQ); + + /* Initialize the Hardware */ + + dmacHw_initDma(); + + /* Start off by marking all of the DMA channels as shared. */ + + for (controllerIdx = 0; controllerIdx < DMA_NUM_CONTROLLERS; + controllerIdx++) { + for (channelIdx = 0; channelIdx < DMA_NUM_CHANNELS; + channelIdx++) { + channel = + &gDMA.controller[controllerIdx].channel[channelIdx]; + + channel->flags = 0; + channel->devType = DMA_DEVICE_NONE; + channel->lastDevType = DMA_DEVICE_NONE; + +#if (DMA_DEBUG_TRACK_RESERVATION) + channel->fileName = ""; + channel->lineNum = 0; +#endif + + channel->dmacHwHandle = + dmacHw_getChannelHandle(dmacHw_MAKE_CHANNEL_ID + (controllerIdx, + channelIdx)); + dmacHw_initChannel(channel->dmacHwHandle); + } + } + + /* Record any special attributes that channels may have */ + + gDMA.controller[0].channel[0].flags |= DMA_CHANNEL_FLAG_LARGE_FIFO; + gDMA.controller[0].channel[1].flags |= DMA_CHANNEL_FLAG_LARGE_FIFO; + gDMA.controller[1].channel[0].flags |= DMA_CHANNEL_FLAG_LARGE_FIFO; + gDMA.controller[1].channel[1].flags |= DMA_CHANNEL_FLAG_LARGE_FIFO; + + /* Now walk through and record the dedicated channels. */ + + for (devIdx = 0; devIdx < DMA_NUM_DEVICE_ENTRIES; devIdx++) { + DMA_DeviceAttribute_t *devAttr = &DMA_gDeviceAttribute[devIdx]; + + if (((devAttr->flags & DMA_DEVICE_FLAG_NO_ISR) != 0) + && ((devAttr->flags & DMA_DEVICE_FLAG_IS_DEDICATED) == 0)) { + printk(KERN_ERR + "DMA Device: %s Can only request NO_ISR for dedicated devices\n", + devAttr->name); + rc = -EINVAL; + goto out; + } + + if ((devAttr->flags & DMA_DEVICE_FLAG_IS_DEDICATED) != 0) { + /* This is a dedicated device. Mark the channel as being reserved. */ + + if (devAttr->dedicatedController >= DMA_NUM_CONTROLLERS) { + printk(KERN_ERR + "DMA Device: %s DMA Controller %d is out of range\n", + devAttr->name, + devAttr->dedicatedController); + rc = -EINVAL; + goto out; + } + + if (devAttr->dedicatedChannel >= DMA_NUM_CHANNELS) { + printk(KERN_ERR + "DMA Device: %s DMA Channel %d is out of range\n", + devAttr->name, + devAttr->dedicatedChannel); + rc = -EINVAL; + goto out; + } + + dedicatedHandle = + MAKE_HANDLE(devAttr->dedicatedController, + devAttr->dedicatedChannel); + channel = HandleToChannel(dedicatedHandle); + + if ((channel->flags & DMA_CHANNEL_FLAG_IS_DEDICATED) != + 0) { + printk + ("DMA Device: %s attempting to use same DMA Controller:Channel (%d:%d) as %s\n", + devAttr->name, + devAttr->dedicatedController, + devAttr->dedicatedChannel, + DMA_gDeviceAttribute[channel->devType]. + name); + rc = -EBUSY; + goto out; + } + + channel->flags |= DMA_CHANNEL_FLAG_IS_DEDICATED; + channel->devType = devIdx; + + if (devAttr->flags & DMA_DEVICE_FLAG_NO_ISR) { + channel->flags |= DMA_CHANNEL_FLAG_NO_ISR; + } + + /* For dedicated channels, we can go ahead and configure the DMA channel now */ + /* as well. */ + + ConfigChannel(dedicatedHandle); + } + } + + /* Go through and register the interrupt handlers */ + + for (controllerIdx = 0; controllerIdx < DMA_NUM_CONTROLLERS; + controllerIdx++) { + for (channelIdx = 0; channelIdx < DMA_NUM_CHANNELS; + channelIdx++) { + channel = + &gDMA.controller[controllerIdx].channel[channelIdx]; + + if ((channel->flags & DMA_CHANNEL_FLAG_NO_ISR) == 0) { + snprintf(channel->name, sizeof(channel->name), + "dma %d:%d %s", controllerIdx, + channelIdx, + channel->devType == + DMA_DEVICE_NONE ? "" : + DMA_gDeviceAttribute[channel->devType]. + name); + + rc = + request_irq(IRQ_DMA0C0 + + (controllerIdx * + DMA_NUM_CHANNELS) + + channelIdx, + dma_interrupt_handler, + IRQF_DISABLED, channel->name, + channel); + if (rc != 0) { + printk(KERN_ERR + "request_irq for IRQ_DMA%dC%d failed\n", + controllerIdx, channelIdx); + } + } + } + } + + /* Create /proc/dma/channels and /proc/dma/devices */ + + gDmaDir = create_proc_entry("dma", S_IFDIR | S_IRUGO | S_IXUGO, NULL); + + if (gDmaDir == NULL) { + printk(KERN_ERR "Unable to create /proc/dma\n"); + } else { + create_proc_read_entry("channels", 0, gDmaDir, + dma_proc_read_channels, NULL); + create_proc_read_entry("devices", 0, gDmaDir, + dma_proc_read_devices, NULL); + create_proc_read_entry("mem-type", 0, gDmaDir, + dma_proc_read_mem_type, NULL); + } + +out: + + up(&gDMA.lock); + + return rc; +} + +/****************************************************************************/ +/** +* Reserves a channel for use with @a dev. If the device is setup to use +* a shared channel, then this function will block until a free channel +* becomes available. +* +* @return +* >= 0 - A valid DMA Handle. +* -EBUSY - Device is currently being used. +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +#if (DMA_DEBUG_TRACK_RESERVATION) +DMA_Handle_t dma_request_channel_dbg + (DMA_Device_t dev, const char *fileName, int lineNum) +#else +DMA_Handle_t dma_request_channel(DMA_Device_t dev) +#endif +{ + DMA_Handle_t handle; + DMA_DeviceAttribute_t *devAttr; + DMA_Channel_t *channel; + int controllerIdx; + int controllerIdx2; + int channelIdx; + + if (down_interruptible(&gDMA.lock) < 0) { + return -ERESTARTSYS; + } + + if ((dev < 0) || (dev >= DMA_NUM_DEVICE_ENTRIES)) { + handle = -ENODEV; + goto out; + } + devAttr = &DMA_gDeviceAttribute[dev]; + +#if (DMA_DEBUG_TRACK_RESERVATION) + { + char *s; + + s = strrchr(fileName, '/'); + if (s != NULL) { + fileName = s + 1; + } + } +#endif + if ((devAttr->flags & DMA_DEVICE_FLAG_IN_USE) != 0) { + /* This device has already been requested and not been freed */ + + printk(KERN_ERR "%s: device %s is already requested\n", + __func__, devAttr->name); + handle = -EBUSY; + goto out; + } + + if ((devAttr->flags & DMA_DEVICE_FLAG_IS_DEDICATED) != 0) { + /* This device has a dedicated channel. */ + + channel = + &gDMA.controller[devAttr->dedicatedController]. + channel[devAttr->dedicatedChannel]; + if ((channel->flags & DMA_CHANNEL_FLAG_IN_USE) != 0) { + handle = -EBUSY; + goto out; + } + + channel->flags |= DMA_CHANNEL_FLAG_IN_USE; + devAttr->flags |= DMA_DEVICE_FLAG_IN_USE; + +#if (DMA_DEBUG_TRACK_RESERVATION) + channel->fileName = fileName; + channel->lineNum = lineNum; +#endif + handle = + MAKE_HANDLE(devAttr->dedicatedController, + devAttr->dedicatedChannel); + goto out; + } + + /* This device needs to use one of the shared channels. */ + + handle = DMA_INVALID_HANDLE; + while (handle == DMA_INVALID_HANDLE) { + /* Scan through the shared channels and see if one is available */ + + for (controllerIdx2 = 0; controllerIdx2 < DMA_NUM_CONTROLLERS; + controllerIdx2++) { + /* Check to see if we should try on controller 1 first. */ + + controllerIdx = controllerIdx2; + if ((devAttr-> + flags & DMA_DEVICE_FLAG_ALLOC_DMA1_FIRST) != 0) { + controllerIdx = 1 - controllerIdx; + } + + /* See if the device is available on the controller being tested */ + + if ((devAttr-> + flags & (DMA_DEVICE_FLAG_ON_DMA0 << controllerIdx)) + != 0) { + for (channelIdx = 0; + channelIdx < DMA_NUM_CHANNELS; + channelIdx++) { + channel = + &gDMA.controller[controllerIdx]. + channel[channelIdx]; + + if (((channel-> + flags & + DMA_CHANNEL_FLAG_IS_DEDICATED) == + 0) + && + ((channel-> + flags & DMA_CHANNEL_FLAG_IN_USE) + == 0)) { + if (((channel-> + flags & + DMA_CHANNEL_FLAG_LARGE_FIFO) + != 0) + && + ((devAttr-> + flags & + DMA_DEVICE_FLAG_ALLOW_LARGE_FIFO) + == 0)) { + /* This channel is a large fifo - don't tie it up */ + /* with devices that we don't want using it. */ + + continue; + } + + channel->flags |= + DMA_CHANNEL_FLAG_IN_USE; + channel->devType = dev; + devAttr->flags |= + DMA_DEVICE_FLAG_IN_USE; + +#if (DMA_DEBUG_TRACK_RESERVATION) + channel->fileName = fileName; + channel->lineNum = lineNum; +#endif + handle = + MAKE_HANDLE(controllerIdx, + channelIdx); + + /* Now that we've reserved the channel - we can go ahead and configure it */ + + if (ConfigChannel(handle) != 0) { + handle = -EIO; + printk(KERN_ERR + "dma_request_channel: ConfigChannel failed\n"); + } + goto out; + } + } + } + } + + /* No channels are currently available. Let's wait for one to free up. */ + + { + DEFINE_WAIT(wait); + + prepare_to_wait(&gDMA.freeChannelQ, &wait, + TASK_INTERRUPTIBLE); + up(&gDMA.lock); + schedule(); + finish_wait(&gDMA.freeChannelQ, &wait); + + if (signal_pending(current)) { + /* We don't currently hold gDMA.lock, so we return directly */ + + return -ERESTARTSYS; + } + } + + if (down_interruptible(&gDMA.lock)) { + return -ERESTARTSYS; + } + } + +out: + up(&gDMA.lock); + + return handle; +} + +/* Create both _dbg and non _dbg functions for modules. */ + +#if (DMA_DEBUG_TRACK_RESERVATION) +#undef dma_request_channel +DMA_Handle_t dma_request_channel(DMA_Device_t dev) +{ + return dma_request_channel_dbg(dev, __FILE__, __LINE__); +} + +EXPORT_SYMBOL(dma_request_channel_dbg); +#endif +EXPORT_SYMBOL(dma_request_channel); + +/****************************************************************************/ +/** +* Frees a previously allocated DMA Handle. +*/ +/****************************************************************************/ + +int dma_free_channel(DMA_Handle_t handle /* DMA handle. */ + ) { + int rc = 0; + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + + if (down_interruptible(&gDMA.lock) < 0) { + return -ERESTARTSYS; + } + + channel = HandleToChannel(handle); + if (channel == NULL) { + rc = -EINVAL; + goto out; + } + + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + if ((channel->flags & DMA_CHANNEL_FLAG_IS_DEDICATED) == 0) { + channel->lastDevType = channel->devType; + channel->devType = DMA_DEVICE_NONE; + } + channel->flags &= ~DMA_CHANNEL_FLAG_IN_USE; + devAttr->flags &= ~DMA_DEVICE_FLAG_IN_USE; + +out: + up(&gDMA.lock); + + wake_up_interruptible(&gDMA.freeChannelQ); + + return rc; +} + +EXPORT_SYMBOL(dma_free_channel); + +/****************************************************************************/ +/** +* Determines if a given device has been configured as using a shared +* channel. +* +* @return +* 0 Device uses a dedicated channel +* > zero Device uses a shared channel +* < zero Error code +*/ +/****************************************************************************/ + +int dma_device_is_channel_shared(DMA_Device_t device /* Device to check. */ + ) { + DMA_DeviceAttribute_t *devAttr; + + if (!IsDeviceValid(device)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[device]; + + return ((devAttr->flags & DMA_DEVICE_FLAG_IS_DEDICATED) == 0); +} + +EXPORT_SYMBOL(dma_device_is_channel_shared); + +/****************************************************************************/ +/** +* Allocates buffers for the descriptors. This is normally done automatically +* but needs to be done explicitly when initiating a dma from interrupt +* context. +* +* @return +* 0 Descriptors were allocated successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_alloc_descriptors(DMA_Handle_t handle, /* DMA Handle */ + dmacHw_TRANSFER_TYPE_e transferType, /* Type of transfer being performed */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ) { + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + int numDescriptors; + size_t ringBytesRequired; + int rc = 0; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + if (devAttr->config.transferType != transferType) { + return -EINVAL; + } + + /* Figure out how many descriptors we need. */ + + /* printk("srcData: 0x%08x dstData: 0x%08x, numBytes: %d\n", */ + /* srcData, dstData, numBytes); */ + + numDescriptors = dmacHw_calculateDescriptorCount(&devAttr->config, + (void *)srcData, + (void *)dstData, + numBytes); + if (numDescriptors < 0) { + printk(KERN_ERR "%s: dmacHw_calculateDescriptorCount failed\n", + __func__); + return -EINVAL; + } + + /* Check to see if we can reuse the existing descriptor ring, or if we need to allocate */ + /* a new one. */ + + ringBytesRequired = dmacHw_descriptorLen(numDescriptors); + + /* printk("ringBytesRequired: %d\n", ringBytesRequired); */ + + if (ringBytesRequired > devAttr->ring.bytesAllocated) { + /* Make sure that this code path is never taken from interrupt context. */ + /* It's OK for an interrupt to initiate a DMA transfer, but the descriptor */ + /* allocation needs to have already been done. */ + + might_sleep(); + + /* Free the old descriptor ring and allocate a new one. */ + + dma_free_descriptor_ring(&devAttr->ring); + + /* And allocate a new one. */ + + rc = + dma_alloc_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_alloc_descriptor_ring(%d) failed\n", + __func__, numDescriptors); + return rc; + } + /* Setup the descriptor for this transfer */ + + if (dmacHw_initDescriptor(devAttr->ring.virtAddr, + devAttr->ring.physAddr, + devAttr->ring.bytesAllocated, + numDescriptors) < 0) { + printk(KERN_ERR "%s: dmacHw_initDescriptor failed\n", + __func__); + return -EINVAL; + } + } else { + /* We've already got enough ring buffer allocated. All we need to do is reset */ + /* any control information, just in case the previous DMA was stopped. */ + + dmacHw_resetDescriptorControl(devAttr->ring.virtAddr); + } + + /* dma_alloc/free both set the prevSrc/DstData to 0. If they happen to be the same */ + /* as last time, then we don't need to call setDataDescriptor again. */ + + if (dmacHw_setDataDescriptor(&devAttr->config, + devAttr->ring.virtAddr, + (void *)srcData, + (void *)dstData, numBytes) < 0) { + printk(KERN_ERR "%s: dmacHw_setDataDescriptor failed\n", + __func__); + return -EINVAL; + } + + /* Remember the critical information for this transfer so that we can eliminate */ + /* another call to dma_alloc_descriptors if the caller reuses the same buffers */ + + devAttr->prevSrcData = srcData; + devAttr->prevDstData = dstData; + devAttr->prevNumBytes = numBytes; + + return 0; +} + +EXPORT_SYMBOL(dma_alloc_descriptors); + +/****************************************************************************/ +/** +* Allocates and sets up descriptors for a double buffered circular buffer. +* +* This is primarily intended to be used for things like the ingress samples +* from a microphone. +* +* @return +* > 0 Number of descriptors actually allocated. +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_alloc_double_dst_descriptors(DMA_Handle_t handle, /* DMA Handle */ + dma_addr_t srcData, /* Physical address of source data */ + dma_addr_t dstData1, /* Physical address of first destination buffer */ + dma_addr_t dstData2, /* Physical address of second destination buffer */ + size_t numBytes /* Number of bytes in each destination buffer */ + ) { + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + int numDst1Descriptors; + int numDst2Descriptors; + int numDescriptors; + size_t ringBytesRequired; + int rc = 0; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + /* Figure out how many descriptors we need. */ + + /* printk("srcData: 0x%08x dstData: 0x%08x, numBytes: %d\n", */ + /* srcData, dstData, numBytes); */ + + numDst1Descriptors = + dmacHw_calculateDescriptorCount(&devAttr->config, (void *)srcData, + (void *)dstData1, numBytes); + if (numDst1Descriptors < 0) { + return -EINVAL; + } + numDst2Descriptors = + dmacHw_calculateDescriptorCount(&devAttr->config, (void *)srcData, + (void *)dstData2, numBytes); + if (numDst2Descriptors < 0) { + return -EINVAL; + } + numDescriptors = numDst1Descriptors + numDst2Descriptors; + /* printk("numDescriptors: %d\n", numDescriptors); */ + + /* Check to see if we can reuse the existing descriptor ring, or if we need to allocate */ + /* a new one. */ + + ringBytesRequired = dmacHw_descriptorLen(numDescriptors); + + /* printk("ringBytesRequired: %d\n", ringBytesRequired); */ + + if (ringBytesRequired > devAttr->ring.bytesAllocated) { + /* Make sure that this code path is never taken from interrupt context. */ + /* It's OK for an interrupt to initiate a DMA transfer, but the descriptor */ + /* allocation needs to have already been done. */ + + might_sleep(); + + /* Free the old descriptor ring and allocate a new one. */ + + dma_free_descriptor_ring(&devAttr->ring); + + /* And allocate a new one. */ + + rc = + dma_alloc_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_alloc_descriptor_ring(%d) failed\n", + __func__, ringBytesRequired); + return rc; + } + } + + /* Setup the descriptor for this transfer. Since this function is used with */ + /* CONTINUOUS DMA operations, we need to reinitialize every time, otherwise */ + /* setDataDescriptor will keep trying to append onto the end. */ + + if (dmacHw_initDescriptor(devAttr->ring.virtAddr, + devAttr->ring.physAddr, + devAttr->ring.bytesAllocated, + numDescriptors) < 0) { + printk(KERN_ERR "%s: dmacHw_initDescriptor failed\n", __func__); + return -EINVAL; + } + + /* dma_alloc/free both set the prevSrc/DstData to 0. If they happen to be the same */ + /* as last time, then we don't need to call setDataDescriptor again. */ + + if (dmacHw_setDataDescriptor(&devAttr->config, + devAttr->ring.virtAddr, + (void *)srcData, + (void *)dstData1, numBytes) < 0) { + printk(KERN_ERR "%s: dmacHw_setDataDescriptor 1 failed\n", + __func__); + return -EINVAL; + } + if (dmacHw_setDataDescriptor(&devAttr->config, + devAttr->ring.virtAddr, + (void *)srcData, + (void *)dstData2, numBytes) < 0) { + printk(KERN_ERR "%s: dmacHw_setDataDescriptor 2 failed\n", + __func__); + return -EINVAL; + } + + /* You should use dma_start_transfer rather than dma_transfer_xxx so we don't */ + /* try to make the 'prev' variables right. */ + + devAttr->prevSrcData = 0; + devAttr->prevDstData = 0; + devAttr->prevNumBytes = 0; + + return numDescriptors; +} + +EXPORT_SYMBOL(dma_alloc_double_dst_descriptors); + +/****************************************************************************/ +/** +* Initiates a transfer when the descriptors have already been setup. +* +* This is a special case, and normally, the dma_transfer_xxx functions should +* be used. +* +* @return +* 0 Transfer was started successfully +* -ENODEV Invalid handle +*/ +/****************************************************************************/ + +int dma_start_transfer(DMA_Handle_t handle) +{ + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + dmacHw_initiateTransfer(channel->dmacHwHandle, &devAttr->config, + devAttr->ring.virtAddr); + + /* Since we got this far, everything went successfully */ + + return 0; +} + +EXPORT_SYMBOL(dma_start_transfer); + +/****************************************************************************/ +/** +* Stops a previously started DMA transfer. +* +* @return +* 0 Transfer was stopped successfully +* -ENODEV Invalid handle +*/ +/****************************************************************************/ + +int dma_stop_transfer(DMA_Handle_t handle) +{ + DMA_Channel_t *channel; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + + dmacHw_stopTransfer(channel->dmacHwHandle); + + return 0; +} + +EXPORT_SYMBOL(dma_stop_transfer); + +/****************************************************************************/ +/** +* Waits for a DMA to complete by polling. This function is only intended +* to be used for testing. Interrupts should be used for most DMA operations. +*/ +/****************************************************************************/ + +int dma_wait_transfer_done(DMA_Handle_t handle) +{ + DMA_Channel_t *channel; + dmacHw_TRANSFER_STATUS_e status; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + + while ((status = + dmacHw_transferCompleted(channel->dmacHwHandle)) == + dmacHw_TRANSFER_STATUS_BUSY) { + ; + } + + if (status == dmacHw_TRANSFER_STATUS_ERROR) { + printk(KERN_ERR "%s: DMA transfer failed\n", __func__); + return -EIO; + } + return 0; +} + +EXPORT_SYMBOL(dma_wait_transfer_done); + +/****************************************************************************/ +/** +* Initiates a DMA, allocating the descriptors as required. +* +* @return +* 0 Transfer was started successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _DEV_TO_MEM and not _MEM_TO_DEV) +*/ +/****************************************************************************/ + +int dma_transfer(DMA_Handle_t handle, /* DMA Handle */ + dmacHw_TRANSFER_TYPE_e transferType, /* Type of transfer being performed */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ) { + DMA_Channel_t *channel; + DMA_DeviceAttribute_t *devAttr; + int rc = 0; + + channel = HandleToChannel(handle); + if (channel == NULL) { + return -ENODEV; + } + + devAttr = &DMA_gDeviceAttribute[channel->devType]; + + if (devAttr->config.transferType != transferType) { + return -EINVAL; + } + + /* We keep track of the information about the previous request for this */ + /* device, and if the attributes match, then we can use the descriptors we setup */ + /* the last time, and not have to reinitialize everything. */ + + { + rc = + dma_alloc_descriptors(handle, transferType, srcData, + dstData, numBytes); + if (rc != 0) { + return rc; + } + } + + /* And kick off the transfer */ + + devAttr->numBytes = numBytes; + devAttr->transferStartTime = timer_get_tick_count(); + + dmacHw_initiateTransfer(channel->dmacHwHandle, &devAttr->config, + devAttr->ring.virtAddr); + + /* Since we got this far, everything went successfully */ + + return 0; +} + +EXPORT_SYMBOL(dma_transfer); + +/****************************************************************************/ +/** +* Set the callback function which will be called when a transfer completes. +* If a NULL callback function is set, then no callback will occur. +* +* @note @a devHandler will be called from IRQ context. +* +* @return +* 0 - Success +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +int dma_set_device_handler(DMA_Device_t dev, /* Device to set the callback for. */ + DMA_DeviceHandler_t devHandler, /* Function to call when the DMA completes */ + void *userData /* Pointer which will be passed to devHandler. */ + ) { + DMA_DeviceAttribute_t *devAttr; + unsigned long flags; + + if (!IsDeviceValid(dev)) { + return -ENODEV; + } + devAttr = &DMA_gDeviceAttribute[dev]; + + local_irq_save(flags); + + devAttr->userData = userData; + devAttr->devHandler = devHandler; + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(dma_set_device_handler); + +/****************************************************************************/ +/** +* Initializes a memory mapping structure +*/ +/****************************************************************************/ + +int dma_init_mem_map(DMA_MemMap_t *memMap) +{ + memset(memMap, 0, sizeof(*memMap)); + + init_MUTEX(&memMap->lock); + + return 0; +} + +EXPORT_SYMBOL(dma_init_mem_map); + +/****************************************************************************/ +/** +* Releases any memory currently being held by a memory mapping structure. +*/ +/****************************************************************************/ + +int dma_term_mem_map(DMA_MemMap_t *memMap) +{ + down(&memMap->lock); /* Just being paranoid */ + + /* Free up any allocated memory */ + + up(&memMap->lock); + memset(memMap, 0, sizeof(*memMap)); + + return 0; +} + +EXPORT_SYMBOL(dma_term_mem_map); + +/****************************************************************************/ +/** +* Looks at a memory address and categorizes it. +* +* @return One of the values from the DMA_MemType_t enumeration. +*/ +/****************************************************************************/ + +DMA_MemType_t dma_mem_type(void *addr) +{ + unsigned long addrVal = (unsigned long)addr; + + if (addrVal >= VMALLOC_END) { + /* NOTE: DMA virtual memory space starts at 0xFFxxxxxx */ + + /* dma_alloc_xxx pages are physically and virtually contiguous */ + + return DMA_MEM_TYPE_DMA; + } + + /* Technically, we could add one more classification. Addresses between VMALLOC_END */ + /* and the beginning of the DMA virtual address could be considered to be I/O space. */ + /* Right now, nobody cares about this particular classification, so we ignore it. */ + + if (is_vmalloc_addr(addr)) { + /* Address comes from the vmalloc'd region. Pages are virtually */ + /* contiguous but NOT physically contiguous */ + + return DMA_MEM_TYPE_VMALLOC; + } + + if (addrVal >= PAGE_OFFSET) { + /* PAGE_OFFSET is typically 0xC0000000 */ + + /* kmalloc'd pages are physically contiguous */ + + return DMA_MEM_TYPE_KMALLOC; + } + + return DMA_MEM_TYPE_USER; +} + +EXPORT_SYMBOL(dma_mem_type); + +/****************************************************************************/ +/** +* Looks at a memory address and determines if we support DMA'ing to/from +* that type of memory. +* +* @return boolean - +* return value != 0 means dma supported +* return value == 0 means dma not supported +*/ +/****************************************************************************/ + +int dma_mem_supports_dma(void *addr) +{ + DMA_MemType_t memType = dma_mem_type(addr); + + return (memType == DMA_MEM_TYPE_DMA) +#if ALLOW_MAP_OF_KMALLOC_MEMORY + || (memType == DMA_MEM_TYPE_KMALLOC) +#endif + || (memType == DMA_MEM_TYPE_USER); +} + +EXPORT_SYMBOL(dma_mem_supports_dma); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ) { + int rc; + + down(&memMap->lock); + + DMA_MAP_PRINT("memMap: %p\n", memMap); + + if (memMap->inUse) { + printk(KERN_ERR "%s: memory map %p is already being used\n", + __func__, memMap); + rc = -EBUSY; + goto out; + } + + memMap->inUse = 1; + memMap->dir = dir; + memMap->numRegionsUsed = 0; + + rc = 0; + +out: + + DMA_MAP_PRINT("returning %d", rc); + + up(&memMap->lock); + + return rc; +} + +EXPORT_SYMBOL(dma_map_start); + +/****************************************************************************/ +/** +* Adds a segment of memory to a memory map. Each segment is both +* physically and virtually contiguous. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +static int dma_map_add_segment(DMA_MemMap_t *memMap, /* Stores state information about the map */ + DMA_Region_t *region, /* Region that the segment belongs to */ + void *virtAddr, /* Virtual address of the segment being added */ + dma_addr_t physAddr, /* Physical address of the segment being added */ + size_t numBytes /* Number of bytes of the segment being added */ + ) { + DMA_Segment_t *segment; + + DMA_MAP_PRINT("memMap:%p va:%p pa:0x%x #:%d\n", memMap, virtAddr, + physAddr, numBytes); + + /* Sanity check */ + + if (((unsigned long)virtAddr < (unsigned long)region->virtAddr) + || (((unsigned long)virtAddr + numBytes)) > + ((unsigned long)region->virtAddr + region->numBytes)) { + printk(KERN_ERR + "%s: virtAddr %p is outside region @ %p len: %d\n", + __func__, virtAddr, region->virtAddr, region->numBytes); + return -EINVAL; + } + + if (region->numSegmentsUsed > 0) { + /* Check to see if this segment is physically contiguous with the previous one */ + + segment = ®ion->segment[region->numSegmentsUsed - 1]; + + if ((segment->physAddr + segment->numBytes) == physAddr) { + /* It is - just add on to the end */ + + DMA_MAP_PRINT("appending %d bytes to last segment\n", + numBytes); + + segment->numBytes += numBytes; + + return 0; + } + } + + /* Reallocate to hold more segments, if required. */ + + if (region->numSegmentsUsed >= region->numSegmentsAllocated) { + DMA_Segment_t *newSegment; + size_t oldSize = + region->numSegmentsAllocated * sizeof(*newSegment); + int newAlloc = region->numSegmentsAllocated + 4; + size_t newSize = newAlloc * sizeof(*newSegment); + + newSegment = kmalloc(newSize, GFP_KERNEL); + if (newSegment == NULL) { + return -ENOMEM; + } + memcpy(newSegment, region->segment, oldSize); + memset(&((uint8_t *) newSegment)[oldSize], 0, + newSize - oldSize); + kfree(region->segment); + + region->numSegmentsAllocated = newAlloc; + region->segment = newSegment; + } + + segment = ®ion->segment[region->numSegmentsUsed]; + region->numSegmentsUsed++; + + segment->virtAddr = virtAddr; + segment->physAddr = physAddr; + segment->numBytes = numBytes; + + DMA_MAP_PRINT("returning success\n"); + + return 0; +} + +/****************************************************************************/ +/** +* Adds a region of memory to a memory map. Each region is virtually +* contiguous, but not necessarily physically contiguous. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes /* Number of bytes being mapped */ + ) { + unsigned long addr = (unsigned long)mem; + unsigned int offset; + int rc = 0; + DMA_Region_t *region; + dma_addr_t physAddr; + + down(&memMap->lock); + + DMA_MAP_PRINT("memMap:%p va:%p #:%d\n", memMap, mem, numBytes); + + if (!memMap->inUse) { + printk(KERN_ERR "%s: Make sure you call dma_map_start first\n", + __func__); + rc = -EINVAL; + goto out; + } + + /* Reallocate to hold more regions. */ + + if (memMap->numRegionsUsed >= memMap->numRegionsAllocated) { + DMA_Region_t *newRegion; + size_t oldSize = + memMap->numRegionsAllocated * sizeof(*newRegion); + int newAlloc = memMap->numRegionsAllocated + 4; + size_t newSize = newAlloc * sizeof(*newRegion); + + newRegion = kmalloc(newSize, GFP_KERNEL); + if (newRegion == NULL) { + rc = -ENOMEM; + goto out; + } + memcpy(newRegion, memMap->region, oldSize); + memset(&((uint8_t *) newRegion)[oldSize], 0, newSize - oldSize); + + kfree(memMap->region); + + memMap->numRegionsAllocated = newAlloc; + memMap->region = newRegion; + } + + region = &memMap->region[memMap->numRegionsUsed]; + memMap->numRegionsUsed++; + + offset = addr & ~PAGE_MASK; + + region->memType = dma_mem_type(mem); + region->virtAddr = mem; + region->numBytes = numBytes; + region->numSegmentsUsed = 0; + region->numLockedPages = 0; + region->lockedPages = NULL; + + switch (region->memType) { + case DMA_MEM_TYPE_VMALLOC: + { + atomic_inc(&gDmaStatMemTypeVmalloc); + + /* printk(KERN_ERR "%s: vmalloc'd pages are not supported\n", __func__); */ + + /* vmalloc'd pages are not physically contiguous */ + + rc = -EINVAL; + break; + } + + case DMA_MEM_TYPE_KMALLOC: + { + atomic_inc(&gDmaStatMemTypeKmalloc); + + /* kmalloc'd pages are physically contiguous, so they'll have exactly */ + /* one segment */ + +#if ALLOW_MAP_OF_KMALLOC_MEMORY + physAddr = + dma_map_single(NULL, mem, numBytes, memMap->dir); + rc = dma_map_add_segment(memMap, region, mem, physAddr, + numBytes); +#else + rc = -EINVAL; +#endif + break; + } + + case DMA_MEM_TYPE_DMA: + { + /* dma_alloc_xxx pages are physically contiguous */ + + atomic_inc(&gDmaStatMemTypeCoherent); + + physAddr = (vmalloc_to_pfn(mem) << PAGE_SHIFT) + offset; + + dma_sync_single_for_cpu(NULL, physAddr, numBytes, + memMap->dir); + rc = dma_map_add_segment(memMap, region, mem, physAddr, + numBytes); + break; + } + + case DMA_MEM_TYPE_USER: + { + size_t firstPageOffset; + size_t firstPageSize; + struct page **pages; + struct task_struct *userTask; + + atomic_inc(&gDmaStatMemTypeUser); + +#if 1 + /* If the pages are user pages, then the dma_mem_map_set_user_task function */ + /* must have been previously called. */ + + if (memMap->userTask == NULL) { + printk(KERN_ERR + "%s: must call dma_mem_map_set_user_task when using user-mode memory\n", + __func__); + return -EINVAL; + } + + /* User pages need to be locked. */ + + firstPageOffset = + (unsigned long)region->virtAddr & (PAGE_SIZE - 1); + firstPageSize = PAGE_SIZE - firstPageOffset; + + region->numLockedPages = (firstPageOffset + + region->numBytes + + PAGE_SIZE - 1) / PAGE_SIZE; + pages = + kmalloc(region->numLockedPages * + sizeof(struct page *), GFP_KERNEL); + + if (pages == NULL) { + region->numLockedPages = 0; + return -ENOMEM; + } + + userTask = memMap->userTask; + + down_read(&userTask->mm->mmap_sem); + rc = get_user_pages(userTask, /* task */ + userTask->mm, /* mm */ + (unsigned long)region->virtAddr, /* start */ + region->numLockedPages, /* len */ + memMap->dir == DMA_FROM_DEVICE, /* write */ + 0, /* force */ + pages, /* pages (array of pointers to page) */ + NULL); /* vmas */ + up_read(&userTask->mm->mmap_sem); + + if (rc != region->numLockedPages) { + kfree(pages); + region->numLockedPages = 0; + + if (rc >= 0) { + rc = -EINVAL; + } + } else { + uint8_t *virtAddr = region->virtAddr; + size_t bytesRemaining; + int pageIdx; + + rc = 0; /* Since get_user_pages returns +ve number */ + + region->lockedPages = pages; + + /* We've locked the user pages. Now we need to walk them and figure */ + /* out the physical addresses. */ + + /* The first page may be partial */ + + dma_map_add_segment(memMap, + region, + virtAddr, + PFN_PHYS(page_to_pfn + (pages[0])) + + firstPageOffset, + firstPageSize); + + virtAddr += firstPageSize; + bytesRemaining = + region->numBytes - firstPageSize; + + for (pageIdx = 1; + pageIdx < region->numLockedPages; + pageIdx++) { + size_t bytesThisPage = + (bytesRemaining > + PAGE_SIZE ? PAGE_SIZE : + bytesRemaining); + + DMA_MAP_PRINT + ("pageIdx:%d pages[pageIdx]=%p pfn=%u phys=%u\n", + pageIdx, pages[pageIdx], + page_to_pfn(pages[pageIdx]), + PFN_PHYS(page_to_pfn + (pages[pageIdx]))); + + dma_map_add_segment(memMap, + region, + virtAddr, + PFN_PHYS(page_to_pfn + (pages + [pageIdx])), + bytesThisPage); + + virtAddr += bytesThisPage; + bytesRemaining -= bytesThisPage; + } + } +#else + printk(KERN_ERR + "%s: User mode pages are not yet supported\n", + __func__); + + /* user pages are not physically contiguous */ + + rc = -EINVAL; +#endif + break; + } + + default: + { + printk(KERN_ERR "%s: Unsupported memory type: %d\n", + __func__, region->memType); + + rc = -EINVAL; + break; + } + } + + if (rc != 0) { + memMap->numRegionsUsed--; + } + +out: + + DMA_MAP_PRINT("returning %d\n", rc); + + up(&memMap->lock); + + return rc; +} + +EXPORT_SYMBOL(dma_map_add_segment); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes, /* Number of bytes being mapped */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ) { + int rc; + + rc = dma_map_start(memMap, dir); + if (rc == 0) { + rc = dma_map_add_region(memMap, mem, numBytes); + if (rc < 0) { + /* Since the add fails, this function will fail, and the caller won't */ + /* call unmap, so we need to do it here. */ + + dma_unmap(memMap, 0); + } + } + + return rc; +} + +EXPORT_SYMBOL(dma_map_mem); + +/****************************************************************************/ +/** +* Setup a descriptor ring for a given memory map. +* +* It is assumed that the descriptor ring has already been initialized, and +* this routine will only reallocate a new descriptor ring if the existing +* one is too small. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ + DMA_MemMap_t *memMap, /* Memory map that will be used */ + dma_addr_t devPhysAddr /* Physical address of device */ + ) { + int rc; + int numDescriptors; + DMA_DeviceAttribute_t *devAttr; + DMA_Region_t *region; + DMA_Segment_t *segment; + dma_addr_t srcPhysAddr; + dma_addr_t dstPhysAddr; + int regionIdx; + int segmentIdx; + + devAttr = &DMA_gDeviceAttribute[dev]; + + down(&memMap->lock); + + /* Figure out how many descriptors we need */ + + numDescriptors = 0; + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + if (memMap->dir == DMA_TO_DEVICE) { + srcPhysAddr = segment->physAddr; + dstPhysAddr = devPhysAddr; + } else { + srcPhysAddr = devPhysAddr; + dstPhysAddr = segment->physAddr; + } + + rc = + dma_calculate_descriptor_count(dev, srcPhysAddr, + dstPhysAddr, + segment-> + numBytes); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_calculate_descriptor_count failed: %d\n", + __func__, rc); + goto out; + } + numDescriptors += rc; + } + } + + /* Adjust the size of the ring, if it isn't big enough */ + + if (numDescriptors > devAttr->ring.descriptorsAllocated) { + dma_free_descriptor_ring(&devAttr->ring); + rc = + dma_alloc_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_alloc_descriptor_ring failed: %d\n", + __func__, rc); + goto out; + } + } else { + rc = + dma_init_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_init_descriptor_ring failed: %d\n", + __func__, rc); + goto out; + } + } + + /* Populate the descriptors */ + + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + if (memMap->dir == DMA_TO_DEVICE) { + srcPhysAddr = segment->physAddr; + dstPhysAddr = devPhysAddr; + } else { + srcPhysAddr = devPhysAddr; + dstPhysAddr = segment->physAddr; + } + + rc = + dma_add_descriptors(&devAttr->ring, dev, + srcPhysAddr, dstPhysAddr, + segment->numBytes); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_add_descriptors failed: %d\n", + __func__, rc); + goto out; + } + } + } + + rc = 0; + +out: + + up(&memMap->lock); + return rc; +} + +EXPORT_SYMBOL(dma_map_create_descriptor_ring); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ + int dirtied /* non-zero if any of the pages were modified */ + ) { + int regionIdx; + int segmentIdx; + DMA_Region_t *region; + DMA_Segment_t *segment; + + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + switch (region->memType) { + case DMA_MEM_TYPE_VMALLOC: + { + printk(KERN_ERR + "%s: vmalloc'd pages are not yet supported\n", + __func__); + return -EINVAL; + } + + case DMA_MEM_TYPE_KMALLOC: + { +#if ALLOW_MAP_OF_KMALLOC_MEMORY + dma_unmap_single(NULL, + segment->physAddr, + segment->numBytes, + memMap->dir); +#endif + break; + } + + case DMA_MEM_TYPE_DMA: + { + dma_sync_single_for_cpu(NULL, + segment-> + physAddr, + segment-> + numBytes, + memMap->dir); + break; + } + + case DMA_MEM_TYPE_USER: + { + /* Nothing to do here. */ + + break; + } + + default: + { + printk(KERN_ERR + "%s: Unsupported memory type: %d\n", + __func__, region->memType); + return -EINVAL; + } + } + + segment->virtAddr = NULL; + segment->physAddr = 0; + segment->numBytes = 0; + } + + if (region->numLockedPages > 0) { + int pageIdx; + + /* Some user pages were locked. We need to go and unlock them now. */ + + for (pageIdx = 0; pageIdx < region->numLockedPages; + pageIdx++) { + struct page *page = + region->lockedPages[pageIdx]; + + if (memMap->dir == DMA_FROM_DEVICE) { + SetPageDirty(page); + } + page_cache_release(page); + } + kfree(region->lockedPages); + region->numLockedPages = 0; + region->lockedPages = NULL; + } + + region->memType = DMA_MEM_TYPE_NONE; + region->virtAddr = NULL; + region->numBytes = 0; + region->numSegmentsUsed = 0; + } + memMap->userTask = NULL; + memMap->numRegionsUsed = 0; + memMap->inUse = 0; + + up(&memMap->lock); + + return 0; +} + +EXPORT_SYMBOL(dma_unmap); diff --git a/arch/arm/mach-bcmring/dma_device.c b/arch/arm/mach-bcmring/dma_device.c new file mode 100644 index 0000000..ca0ad73 --- /dev/null +++ b/arch/arm/mach-bcmring/dma_device.c @@ -0,0 +1,593 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dma_device.c +* +* @brief private array of DMA_DeviceAttribute_t +*/ +/****************************************************************************/ + +DMA_DeviceAttribute_t DMA_gDeviceAttribute[DMA_NUM_DEVICE_ENTRIES] = { + [DMA_DEVICE_MEM_TO_MEM] = /* MEM 2 MEM */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "mem-to-mem", + .config = { + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_MEM, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + + }, + }, + [DMA_DEVICE_VPM_MEM_TO_MEM] = /* VPM */ + { + .flags = DMA_DEVICE_FLAG_IS_DEDICATED | DMA_DEVICE_FLAG_NO_ISR, + .name = "vpm", + .dedicatedController = 0, + .dedicatedChannel = 0, + /* reserve DMA0:0 for VPM */ + }, + [DMA_DEVICE_NAND_MEM_TO_MEM] = /* NAND */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "nand", + .config = { + .srcPeripheralPort = 0, + .dstPeripheralPort = 0, + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_6, + }, + }, + [DMA_DEVICE_PIF_MEM_TO_DEV] = /* PIF TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1 + | DMA_DEVICE_FLAG_ALLOW_LARGE_FIFO + | DMA_DEVICE_FLAG_ALLOC_DMA1_FIRST | DMA_DEVICE_FLAG_PORT_PER_DMAC, + .name = "pif_tx", + .dmacPort = {14, 5}, + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + /* dstPeripheralPort = 5 or 14 */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + .maxDataPerBlock = 16256, + }, + }, + [DMA_DEVICE_PIF_DEV_TO_MEM] = /* PIF RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1 + | DMA_DEVICE_FLAG_ALLOW_LARGE_FIFO + /* DMA_DEVICE_FLAG_ALLOC_DMA1_FIRST */ + | DMA_DEVICE_FLAG_PORT_PER_DMAC, + .name = "pif_rx", + .dmacPort = {14, 5}, + .config = { + /* srcPeripheralPort = 5 or 14 */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + .maxDataPerBlock = 16256, + }, + }, + [DMA_DEVICE_I2S0_DEV_TO_MEM] = /* I2S RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "i2s0_rx", + .config = { + .srcPeripheralPort = 0, /* SRC: I2S0 */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_16, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_0, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_I2S0_MEM_TO_DEV] = /* I2S TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "i2s0_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 1, /* DST: I2S0 */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_16, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_0, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_I2S1_DEV_TO_MEM] = /* I2S1 RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA1, + .name = "i2s1_rx", + .config = { + .srcPeripheralPort = 2, /* SRC: I2S1 */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_16, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_0, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_I2S1_MEM_TO_DEV] = /* I2S1 TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA1, + .name = "i2s1_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 3, /* DST: I2S1 */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_16, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_0, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_ESW_MEM_TO_DEV] = /* ESW TX */ + { + .name = "esw_tx", + .flags = DMA_DEVICE_FLAG_IS_DEDICATED, + .dedicatedController = 1, + .dedicatedChannel = 3, + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 1, /* DST: ESW (MTP) */ + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_DISABLE, + /* DMAx_AHB_SSTATARy */ + .srcStatusRegisterAddress = 0x00000000, + /* DMAx_AHB_DSTATARy */ + .dstStatusRegisterAddress = 0x30490010, + /* DMAx_AHB_CFGy */ + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + /* DMAx_AHB_CTLy */ + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_0, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + }, + }, + [DMA_DEVICE_ESW_DEV_TO_MEM] = /* ESW RX */ + { + .name = "esw_rx", + .flags = DMA_DEVICE_FLAG_IS_DEDICATED, + .dedicatedController = 1, + .dedicatedChannel = 2, + .config = { + .srcPeripheralPort = 0, /* SRC: ESW (PTM) */ + .dstPeripheralPort = 0, /* DST: memory */ + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_DISABLE, + /* DMAx_AHB_SSTATARy */ + .srcStatusRegisterAddress = 0x30480010, + /* DMAx_AHB_DSTATARy */ + .dstStatusRegisterAddress = 0x00000000, + /* DMAx_AHB_CFGy */ + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + /* DMAx_AHB_CTLy */ + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_0, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + }, + }, + [DMA_DEVICE_APM_CODEC_A_DEV_TO_MEM] = /* APM Codec A Ingress */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "apm_a_rx", + .config = { + .srcPeripheralPort = 2, /* SRC: Codec A Ingress FIFO */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_APM_CODEC_A_MEM_TO_DEV] = /* APM Codec A Egress */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "apm_a_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 3, /* DST: Codec A Egress FIFO */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_APM_CODEC_B_DEV_TO_MEM] = /* APM Codec B Ingress */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "apm_b_rx", + .config = { + .srcPeripheralPort = 4, /* SRC: Codec B Ingress FIFO */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_APM_CODEC_B_MEM_TO_DEV] = /* APM Codec B Egress */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "apm_b_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 5, /* DST: Codec B Egress FIFO */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_APM_CODEC_C_DEV_TO_MEM] = /* APM Codec C Ingress */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA1, + .name = "apm_c_rx", + .config = { + .srcPeripheralPort = 4, /* SRC: Codec C Ingress FIFO */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_APM_PCM0_DEV_TO_MEM] = /* PCM0 RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "pcm0_rx", + .config = { + .srcPeripheralPort = 12, /* SRC: PCM0 */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_APM_PCM0_MEM_TO_DEV] = /* PCM0 TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0, + .name = "pcm0_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 13, /* DST: PCM0 */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_APM_PCM1_DEV_TO_MEM] = /* PCM1 RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA1, + .name = "pcm1_rx", + .config = { + .srcPeripheralPort = 14, /* SRC: PCM1 */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_4, + .blockTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_CONTINUOUS, + }, + }, + [DMA_DEVICE_APM_PCM1_MEM_TO_DEV] = /* PCM1 TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA1, + .name = "pcm1_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 15, /* DST: PCM1 */ + .srcStatusRegisterAddress = 0, + .dstStatusRegisterAddress = 0, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_4, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_SPUM_DEV_TO_MEM] = /* SPUM RX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "spum_rx", + .config = { + .srcPeripheralPort = 6, /* SRC: Codec A Ingress FIFO */ + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + /* Busrt size **MUST** be 16 for SPUM to work */ + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_16, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_16, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + /* on the RX side, SPU needs to be the flow controller */ + .flowControler = dmacHw_FLOW_CONTROL_PERIPHERAL, + }, + }, + [DMA_DEVICE_SPUM_MEM_TO_DEV] = /* SPUM TX */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "spum_tx", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .dstPeripheralPort = 7, /* DST: SPUM */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .blockTransferInterrupt = dmacHw_INTERRUPT_DISABLE, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_32, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_32, + /* Busrt size **MUST** be 16 for SPUM to work */ + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_16, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_16, + .transferMode = dmacHw_TRANSFER_MODE_PERREQUEST, + }, + }, + [DMA_DEVICE_MEM_TO_VRAM] = /* MEM 2 VRAM */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "mem-to-vram", + .config = { + .srcPeripheralPort = 0, /* SRC: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_1, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_2, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + }, + }, + [DMA_DEVICE_VRAM_TO_MEM] = /* VRAM 2 MEM */ + { + .flags = DMA_DEVICE_FLAG_ON_DMA0 | DMA_DEVICE_FLAG_ON_DMA1, + .name = "vram-to-mem", + .config = { + .dstPeripheralPort = 0, /* DST: memory */ + .srcStatusRegisterAddress = 0x00000000, + .dstStatusRegisterAddress = 0x00000000, + .srcUpdate = dmacHw_SRC_ADDRESS_UPDATE_MODE_INC, + .dstUpdate = dmacHw_DST_ADDRESS_UPDATE_MODE_INC, + .transferType = dmacHw_TRANSFER_TYPE_MEM_TO_MEM, + .srcMasterInterface = dmacHw_SRC_MASTER_INTERFACE_2, + .dstMasterInterface = dmacHw_DST_MASTER_INTERFACE_1, + .completeTransferInterrupt = dmacHw_INTERRUPT_ENABLE, + .errorInterrupt = dmacHw_INTERRUPT_ENABLE, + .channelPriority = dmacHw_CHANNEL_PRIORITY_7, + .srcMaxTransactionWidth = dmacHw_SRC_TRANSACTION_WIDTH_64, + .dstMaxTransactionWidth = dmacHw_DST_TRANSACTION_WIDTH_64, + .srcMaxBurstWidth = dmacHw_SRC_BURST_WIDTH_8, + .dstMaxBurstWidth = dmacHw_DST_BURST_WIDTH_8, + }, + }, +}; +EXPORT_SYMBOL(DMA_gDeviceAttribute); /* primarily for dma-test.c */ diff --git a/arch/arm/mach-bcmring/include/cfg_global.h b/arch/arm/mach-bcmring/include/cfg_global.h new file mode 100644 index 0000000..f01da87 --- /dev/null +++ b/arch/arm/mach-bcmring/include/cfg_global.h @@ -0,0 +1,13 @@ +#ifndef _CFG_GLOBAL_H_ +#define _CFG_GLOBAL_H_ + +#include <cfg_global_defines.h> + +#define CFG_GLOBAL_CHIP BCM11107 +#define CFG_GLOBAL_CHIP_FAMILY CFG_GLOBAL_CHIP_FAMILY_BCMRING +#define CFG_GLOBAL_CHIP_REV 0xB0 +#define CFG_GLOBAL_RAM_SIZE 0x10000000 +#define CFG_GLOBAL_RAM_BASE 0x00000000 +#define CFG_GLOBAL_RAM_RESERVED_SIZE 0x000000 + +#endif /* _CFG_GLOBAL_H_ */ diff --git a/arch/arm/mach-bcmring/include/cfg_global_defines.h b/arch/arm/mach-bcmring/include/cfg_global_defines.h new file mode 100644 index 0000000..b5beb0b3 --- /dev/null +++ b/arch/arm/mach-bcmring/include/cfg_global_defines.h @@ -0,0 +1,40 @@ +/***************************************************************************** +* Copyright 2006 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CFG_GLOBAL_DEFINES_H +#define CFG_GLOBAL_DEFINES_H + +/* CHIP */ +#define BCM1103 1 + +#define BCM1191 4 +#define BCM2153 5 +#define BCM2820 6 + +#define BCM2826 8 +#define FPGA11107 9 +#define BCM11107 10 +#define BCM11109 11 +#define BCM11170 12 +#define BCM11110 13 +#define BCM11211 14 + +/* CFG_GLOBAL_CHIP_FAMILY types */ +#define CFG_GLOBAL_CHIP_FAMILY_NONE 0 +#define CFG_GLOBAL_CHIP_FAMILY_BCM116X 2 +#define CFG_GLOBAL_CHIP_FAMILY_BCMRING 4 +#define CFG_GLOBAL_CHIP_FAMILY_BCM1103 8 + +#define IMAGE_HEADER_SIZE_CHECKSUM 4 +#endif diff --git a/arch/arm/mach-bcmring/include/csp/cache.h b/arch/arm/mach-bcmring/include/csp/cache.h new file mode 100644 index 0000000..caa20e5 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/cache.h @@ -0,0 +1,35 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CSP_CACHE_H +#define CSP_CACHE_H + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/stdint.h> + +/* ---- Public Constants and Types --------------------------------------- */ + +#if defined(__KERNEL__) && !defined(STANDALONE) +#include <asm/cacheflush.h> + +#define CSP_CACHE_FLUSH_ALL flush_cache_all() + +#else + +#define CSP_CACHE_FLUSH_ALL + +#endif + +#endif /* CSP_CACHE_H */ diff --git a/arch/arm/mach-bcmring/include/csp/delay.h b/arch/arm/mach-bcmring/include/csp/delay.h new file mode 100644 index 0000000..8b3d803 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/delay.h @@ -0,0 +1,36 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + +#ifndef CSP_DELAY_H +#define CSP_DELAY_H + +/* ---- Include Files ---------------------------------------------------- */ + +/* Some CSP routines require use of the following delay routines. Use the OS */ +/* version if available, otherwise use a CSP specific definition. */ +/* void udelay(unsigned long usecs); */ +/* void mdelay(unsigned long msecs); */ + +#if defined(__KERNEL__) && !defined(STANDALONE) + #include <linux/delay.h> +#else + #include <mach/csp/delay.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +#endif /* CSP_DELAY_H */ diff --git a/arch/arm/mach-bcmring/include/csp/dmacHw.h b/arch/arm/mach-bcmring/include/csp/dmacHw.h new file mode 100644 index 0000000..5d51013 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/dmacHw.h @@ -0,0 +1,596 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dmacHw.h +* +* @brief API definitions for low level DMA controller driver +* +*/ +/****************************************************************************/ +#ifndef _DMACHW_H +#define _DMACHW_H + +#include <stddef.h> + +#include <csp/stdint.h> +#include <mach/csp/dmacHw_reg.h> + +/* Define DMA Channel ID using DMA controller number (m) and channel number (c). + + System specific channel ID should be defined as follows + + For example: + + #include <dmacHw.h> + ... + #define systemHw_LCD_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,5) + #define systemHw_SWITCH_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,0) + #define systemHw_SWITCH_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,1) + #define systemHw_APM_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,3) + #define systemHw_APM_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,4) + ... + #define systemHw_SHARED1_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,4) + #define systemHw_SHARED2_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,5) + #define systemHw_SHARED3_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,6) + ... +*/ +#define dmacHw_MAKE_CHANNEL_ID(m, c) (m << 8 | c) + +typedef enum { + dmacHw_CHANNEL_PRIORITY_0 = dmacHw_REG_CFG_LO_CH_PRIORITY_0, /* Channel priority 0. Lowest priority DMA channel */ + dmacHw_CHANNEL_PRIORITY_1 = dmacHw_REG_CFG_LO_CH_PRIORITY_1, /* Channel priority 1 */ + dmacHw_CHANNEL_PRIORITY_2 = dmacHw_REG_CFG_LO_CH_PRIORITY_2, /* Channel priority 2 */ + dmacHw_CHANNEL_PRIORITY_3 = dmacHw_REG_CFG_LO_CH_PRIORITY_3, /* Channel priority 3 */ + dmacHw_CHANNEL_PRIORITY_4 = dmacHw_REG_CFG_LO_CH_PRIORITY_4, /* Channel priority 4 */ + dmacHw_CHANNEL_PRIORITY_5 = dmacHw_REG_CFG_LO_CH_PRIORITY_5, /* Channel priority 5 */ + dmacHw_CHANNEL_PRIORITY_6 = dmacHw_REG_CFG_LO_CH_PRIORITY_6, /* Channel priority 6 */ + dmacHw_CHANNEL_PRIORITY_7 = dmacHw_REG_CFG_LO_CH_PRIORITY_7 /* Channel priority 7. Highest priority DMA channel */ +} dmacHw_CHANNEL_PRIORITY_e; + +/* Source destination master interface */ +typedef enum { + dmacHw_SRC_MASTER_INTERFACE_1 = dmacHw_REG_CTL_SMS_1, /* Source DMA master interface 1 */ + dmacHw_SRC_MASTER_INTERFACE_2 = dmacHw_REG_CTL_SMS_2, /* Source DMA master interface 2 */ + dmacHw_DST_MASTER_INTERFACE_1 = dmacHw_REG_CTL_DMS_1, /* Destination DMA master interface 1 */ + dmacHw_DST_MASTER_INTERFACE_2 = dmacHw_REG_CTL_DMS_2 /* Destination DMA master interface 2 */ +} dmacHw_MASTER_INTERFACE_e; + +typedef enum { + dmacHw_SRC_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_SRC_TR_WIDTH_8, /* Source 8 bit (1 byte) per transaction */ + dmacHw_SRC_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_SRC_TR_WIDTH_16, /* Source 16 bit (2 byte) per transaction */ + dmacHw_SRC_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_SRC_TR_WIDTH_32, /* Source 32 bit (4 byte) per transaction */ + dmacHw_SRC_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_SRC_TR_WIDTH_64, /* Source 64 bit (8 byte) per transaction */ + dmacHw_DST_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_DST_TR_WIDTH_8, /* Destination 8 bit (1 byte) per transaction */ + dmacHw_DST_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_DST_TR_WIDTH_16, /* Destination 16 bit (2 byte) per transaction */ + dmacHw_DST_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_DST_TR_WIDTH_32, /* Destination 32 bit (4 byte) per transaction */ + dmacHw_DST_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_DST_TR_WIDTH_64 /* Destination 64 bit (8 byte) per transaction */ +} dmacHw_TRANSACTION_WIDTH_e; + +typedef enum { + dmacHw_SRC_BURST_WIDTH_0 = dmacHw_REG_CTL_SRC_MSIZE_0, /* Source No burst */ + dmacHw_SRC_BURST_WIDTH_4 = dmacHw_REG_CTL_SRC_MSIZE_4, /* Source 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ + dmacHw_SRC_BURST_WIDTH_8 = dmacHw_REG_CTL_SRC_MSIZE_8, /* Source 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ + dmacHw_SRC_BURST_WIDTH_16 = dmacHw_REG_CTL_SRC_MSIZE_16, /* Source 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ + dmacHw_DST_BURST_WIDTH_0 = dmacHw_REG_CTL_DST_MSIZE_0, /* Destination No burst */ + dmacHw_DST_BURST_WIDTH_4 = dmacHw_REG_CTL_DST_MSIZE_4, /* Destination 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ + dmacHw_DST_BURST_WIDTH_8 = dmacHw_REG_CTL_DST_MSIZE_8, /* Destination 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ + dmacHw_DST_BURST_WIDTH_16 = dmacHw_REG_CTL_DST_MSIZE_16 /* Destination 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ +} dmacHw_BURST_WIDTH_e; + +typedef enum { + dmacHw_TRANSFER_TYPE_MEM_TO_MEM = dmacHw_REG_CTL_TTFC_MM_DMAC, /* Memory to memory transfer */ + dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM = dmacHw_REG_CTL_TTFC_PM_DMAC, /* Peripheral to memory transfer */ + dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_MP_DMAC, /* Memory to peripheral transfer */ + dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_PP_DMAC /* Peripheral to peripheral transfer */ +} dmacHw_TRANSFER_TYPE_e; + +typedef enum { + dmacHw_TRANSFER_MODE_PERREQUEST, /* Block transfer per DMA request */ + dmacHw_TRANSFER_MODE_CONTINUOUS, /* Continuous transfer of streaming data */ + dmacHw_TRANSFER_MODE_PERIODIC /* Periodic transfer of streaming data */ +} dmacHw_TRANSFER_MODE_e; + +typedef enum { + dmacHw_SRC_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_SINC_INC, /* Increment source address after every transaction */ + dmacHw_SRC_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_SINC_DEC, /* Decrement source address after every transaction */ + dmacHw_DST_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_DINC_INC, /* Increment destination address after every transaction */ + dmacHw_DST_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_DINC_DEC, /* Decrement destination address after every transaction */ + dmacHw_SRC_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_SINC_NC, /* No change in source address after every transaction */ + dmacHw_DST_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_DINC_NC /* No change in destination address after every transaction */ +} dmacHw_ADDRESS_UPDATE_MODE_e; + +typedef enum { + dmacHw_FLOW_CONTROL_DMA, /* DMA working as flow controller (default) */ + dmacHw_FLOW_CONTROL_PERIPHERAL /* Peripheral working as flow controller */ +} dmacHw_FLOW_CONTROL_e; + +typedef enum { + dmacHw_TRANSFER_STATUS_BUSY, /* DMA Transfer ongoing */ + dmacHw_TRANSFER_STATUS_DONE, /* DMA Transfer completed */ + dmacHw_TRANSFER_STATUS_ERROR /* DMA Transfer error */ +} dmacHw_TRANSFER_STATUS_e; + +typedef enum { + dmacHw_INTERRUPT_DISABLE, /* Interrupt disable */ + dmacHw_INTERRUPT_ENABLE /* Interrupt enable */ +} dmacHw_INTERRUPT_e; + +typedef enum { + dmacHw_INTERRUPT_STATUS_NONE = 0x0, /* No DMA interrupt */ + dmacHw_INTERRUPT_STATUS_TRANS = 0x1, /* End of DMA transfer interrupt */ + dmacHw_INTERRUPT_STATUS_BLOCK = 0x2, /* End of block transfer interrupt */ + dmacHw_INTERRUPT_STATUS_ERROR = 0x4 /* Error interrupt */ +} dmacHw_INTERRUPT_STATUS_e; + +typedef enum { + dmacHw_CONTROLLER_ATTRIB_CHANNEL_NUM, /* Number of DMA channel */ + dmacHw_CONTROLLER_ATTRIB_CHANNEL_MAX_BLOCK_SIZE, /* Maximum channel burst size */ + dmacHw_CONTROLLER_ATTRIB_MASTER_INTF_NUM, /* Number of DMA master interface */ + dmacHw_CONTROLLER_ATTRIB_CHANNEL_BUS_WIDTH, /* Channel Data bus width */ + dmacHw_CONTROLLER_ATTRIB_CHANNEL_FIFO_SIZE /* Channel FIFO size */ +} dmacHw_CONTROLLER_ATTRIB_e; + +typedef unsigned long dmacHw_HANDLE_t; /* DMA channel handle */ +typedef uint32_t dmacHw_ID_t; /* DMA channel Id. Must be created using + "dmacHw_MAKE_CHANNEL_ID" macro + */ +/* DMA channel configuration parameters */ +typedef struct { + uint32_t srcPeripheralPort; /* Source peripheral port */ + uint32_t dstPeripheralPort; /* Destination peripheral port */ + uint32_t srcStatusRegisterAddress; /* Source status register address */ + uint32_t dstStatusRegisterAddress; /* Destination status register address of type */ + + uint32_t srcGatherWidth; /* Number of bytes gathered before successive gather opearation */ + uint32_t srcGatherJump; /* Number of bytes jumpped before successive gather opearation */ + uint32_t dstScatterWidth; /* Number of bytes sacattered before successive scatter opearation */ + uint32_t dstScatterJump; /* Number of bytes jumpped before successive scatter opearation */ + uint32_t maxDataPerBlock; /* Maximum number of bytes to be transferred per block/descrptor. + 0 = Maximum possible. + */ + + dmacHw_ADDRESS_UPDATE_MODE_e srcUpdate; /* Source address update mode */ + dmacHw_ADDRESS_UPDATE_MODE_e dstUpdate; /* Destination address update mode */ + dmacHw_TRANSFER_TYPE_e transferType; /* DMA transfer type */ + dmacHw_TRANSFER_MODE_e transferMode; /* DMA transfer mode */ + dmacHw_MASTER_INTERFACE_e srcMasterInterface; /* DMA source interface */ + dmacHw_MASTER_INTERFACE_e dstMasterInterface; /* DMA destination interface */ + dmacHw_TRANSACTION_WIDTH_e srcMaxTransactionWidth; /* Source transaction width */ + dmacHw_TRANSACTION_WIDTH_e dstMaxTransactionWidth; /* Destination transaction width */ + dmacHw_BURST_WIDTH_e srcMaxBurstWidth; /* Source burst width */ + dmacHw_BURST_WIDTH_e dstMaxBurstWidth; /* Destination burst width */ + dmacHw_INTERRUPT_e blockTransferInterrupt; /* Block trsnafer interrupt */ + dmacHw_INTERRUPT_e completeTransferInterrupt; /* Complete DMA trsnafer interrupt */ + dmacHw_INTERRUPT_e errorInterrupt; /* Error interrupt */ + dmacHw_CHANNEL_PRIORITY_e channelPriority; /* Channel priority */ + dmacHw_FLOW_CONTROL_e flowControler; /* Data flow controller */ +} dmacHw_CONFIG_t; + +/****************************************************************************/ +/** +* @brief Initializes DMA +* +* This function initializes DMA CSP driver +* +* @note +* Must be called before using any DMA channel +*/ +/****************************************************************************/ +void dmacHw_initDma(void); + +/****************************************************************************/ +/** +* @brief Exit function for DMA +* +* This function isolates DMA from the system +* +*/ +/****************************************************************************/ +void dmacHw_exitDma(void); + +/****************************************************************************/ +/** +* @brief Gets a handle to a DMA channel +* +* This function returns a handle, representing a control block of a particular DMA channel +* +* @return -1 - On Failure +* handle - On Success, representing a channel control block +* +* @note +* None Channel ID must be created using "dmacHw_MAKE_CHANNEL_ID" macro +*/ +/****************************************************************************/ +dmacHw_HANDLE_t dmacHw_getChannelHandle(dmacHw_ID_t channelId /* [ IN ] DMA Channel Id */ + ); + +/****************************************************************************/ +/** +* @brief Initializes a DMA channel for use +* +* This function initializes and resets a DMA channel for use +* +* @return -1 - On Failure +* 0 - On Success +* +* @note +* None +*/ +/****************************************************************************/ +int dmacHw_initChannel(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Estimates number of descriptor needed to perform certain DMA transfer +* +* +* @return On failure : -1 +* On success : Number of descriptor count +* +* +*/ +/****************************************************************************/ +int dmacHw_calculateDescriptorCount(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ + void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ + size_t dataLen /* [ IN ] Data length in bytes */ + ); + +/****************************************************************************/ +/** +* @brief Initializes descriptor ring +* +* This function will initializes the descriptor ring of a DMA channel +* +* +* @return -1 - On failure +* 0 - On success +* @note +* - "len" parameter should be obtained from "dmacHw_descriptorLen" +* - Descriptor buffer MUST be 32 bit aligned and uncached as it +* is accessed by ARM and DMA +*/ +/****************************************************************************/ +int dmacHw_initDescriptor(void *pDescriptorVirt, /* [ IN ] Virtual address of uncahced buffer allocated to form descriptor ring */ + uint32_t descriptorPhyAddr, /* [ IN ] Physical address of pDescriptorVirt (descriptor buffer) */ + uint32_t len, /* [ IN ] Size of the pBuf */ + uint32_t num /* [ IN ] Number of descriptor in the ring */ + ); + +/****************************************************************************/ +/** +* @brief Finds amount of memory required to form a descriptor ring +* +* +* @return Number of bytes required to form a descriptor ring +* +* +* @note +* None +*/ +/****************************************************************************/ +uint32_t dmacHw_descriptorLen(uint32_t descCnt /* [ IN ] Number of descriptor in the ring */ + ); + +/****************************************************************************/ +/** +* @brief Configure DMA channel +* +* @return 0 : On success +* -1 : On failure +*/ +/****************************************************************************/ +int dmacHw_configChannel(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig /* [ IN ] Configuration settings */ + ); + +/****************************************************************************/ +/** +* @brief Set descriptors for known data length +* +* When DMA has to work as a flow controller, this function prepares the +* descriptor chain to transfer data +* +* from: +* - Memory to memory +* - Peripheral to memory +* - Memory to Peripheral +* - Peripheral to Peripheral +* +* @return -1 - On failure +* 0 - On success +* +*/ +/****************************************************************************/ +int dmacHw_setDataDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ + void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ + size_t dataLen /* [ IN ] Length in bytes */ + ); + +/****************************************************************************/ +/** +* @brief Indicates whether DMA transfer is in progress or completed +* +* @return DMA transfer status +* dmacHw_TRANSFER_STATUS_BUSY: DMA Transfer ongoing +* dmacHw_TRANSFER_STATUS_DONE: DMA Transfer completed +* dmacHw_TRANSFER_STATUS_ERROR: DMA Transfer error +* +*/ +/****************************************************************************/ +dmacHw_TRANSFER_STATUS_e dmacHw_transferCompleted(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Set descriptor carrying control information +* +* This function will be used to send specific control information to the device +* using the DMA channel +* +* +* @return -1 - On failure +* 0 - On success +* +* @note +* None +*/ +/****************************************************************************/ +int dmacHw_setControlDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + uint32_t ctlAddress, /* [ IN ] Address of the device control register */ + uint32_t control /* [ IN ] Device control information */ + ); + +/****************************************************************************/ +/** +* @brief Read data DMA transferred to memory +* +* This function will read data that has been DMAed to memory while transfering from: +* - Memory to memory +* - Peripheral to memory +* +* @return 0 - No more data is available to read +* 1 - More data might be available to read +* +*/ +/****************************************************************************/ +int dmacHw_readTransferredData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void **ppBbuf, /* [ OUT ] Data received */ + size_t *pLlen /* [ OUT ] Length of the data received */ + ); + +/****************************************************************************/ +/** +* @brief Prepares descriptor ring, when source peripheral working as a flow controller +* +* This function will form the descriptor ring by allocating buffers, when source peripheral +* has to work as a flow controller to transfer data from: +* - Peripheral to memory. +* +* @return -1 - On failure +* 0 - On success +* +* +* @note +* None +*/ +/****************************************************************************/ +int dmacHw_setVariableDataDescriptor(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + uint32_t srcAddr, /* [ IN ] Source peripheral address */ + void *(*fpAlloc) (int len), /* [ IN ] Function pointer that provides destination memory */ + int len, /* [ IN ] Number of bytes "fpAlloc" will allocate for destination */ + int num /* [ IN ] Number of descriptor to set */ + ); + +/****************************************************************************/ +/** +* @brief Program channel register to initiate transfer +* +* @return void +* +* +* @note +* - Descriptor buffer MUST ALWAYS be flushed before calling this function +* - This function should also be called from ISR to program the channel with +* pending descriptors +*/ +/****************************************************************************/ +void dmacHw_initiateTransfer(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor /* [ IN ] Descriptor buffer */ + ); + +/****************************************************************************/ +/** +* @brief Resets descriptor control information +* +* @return void +*/ +/****************************************************************************/ +void dmacHw_resetDescriptorControl(void *pDescriptor /* [ IN ] Descriptor buffer */ + ); + +/****************************************************************************/ +/** +* @brief Program channel register to stop transfer +* +* Ensures the channel is not doing any transfer after calling this function +* +* @return void +* +*/ +/****************************************************************************/ +void dmacHw_stopTransfer(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Check the existance of pending descriptor +* +* This function confirmes if there is any pending descriptor in the chain +* to program the channel +* +* @return 1 : Channel need to be programmed with pending descriptor +* 0 : No more pending descriptor to programe the channel +* +* @note +* - This function should be called from ISR in case there are pending +* descriptor to program the channel. +* +* Example: +* +* dmac_isr () +* { +* ... +* if (dmacHw_descriptorPending (handle)) +* { +* dmacHw_initiateTransfer (handle); +* } +* } +* +*/ +/****************************************************************************/ +uint32_t dmacHw_descriptorPending(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *pDescriptor /* [ IN ] Descriptor buffer */ + ); + +/****************************************************************************/ +/** +* @brief Deallocates source or destination memory, allocated +* +* This function can be called to deallocate data memory that was DMAed successfully +* +* @return -1 - On failure +* 0 - On success +* +* @note +* This function will be called ONLY, when source OR destination address is pointing +* to dynamic memory +*/ +/****************************************************************************/ +int dmacHw_freeMem(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + void (*fpFree) (void *) /* [ IN ] Function pointer to free data memory */ + ); + +/****************************************************************************/ +/** +* @brief Clears the interrupt +* +* This function clears the DMA channel specific interrupt +* +* @return N/A +* +* @note +* Must be called under the context of ISR +*/ +/****************************************************************************/ +void dmacHw_clearInterrupt(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Returns the cause of channel specific DMA interrupt +* +* This function returns the cause of interrupt +* +* @return Interrupt status, each bit representing a specific type of interrupt +* of type dmacHw_INTERRUPT_STATUS_e +* @note +* This function should be called under the context of ISR +*/ +/****************************************************************************/ +dmacHw_INTERRUPT_STATUS_e dmacHw_getInterruptStatus(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Indentifies a DMA channel causing interrupt +* +* This functions returns a channel causing interrupt of type dmacHw_INTERRUPT_STATUS_e +* +* @return NULL : No channel causing DMA interrupt +* ! NULL : Handle to a channel causing DMA interrupt +* @note +* dmacHw_clearInterrupt() must be called with a valid handle after calling this function +*/ +/****************************************************************************/ +dmacHw_HANDLE_t dmacHw_getInterruptSource(void); + +/****************************************************************************/ +/** +* @brief Sets channel specific user data +* +* This function associates user data to a specif DMA channel +* +*/ +/****************************************************************************/ +void dmacHw_setChannelUserData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *userData /* [ IN ] User data */ + ); + +/****************************************************************************/ +/** +* @brief Gets channel specific user data +* +* This function returns user data specific to a DMA channel +* +* @return user data +*/ +/****************************************************************************/ +void *dmacHw_getChannelUserData(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ + ); + +/****************************************************************************/ +/** +* @brief Displays channel specific registers and other control parameters +* +* +* @return void +* +* @note +* None +*/ +/****************************************************************************/ +void dmacHw_printDebugInfo(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + void *pDescriptor, /* [ IN ] Descriptor buffer */ + int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ + ); + +/****************************************************************************/ +/** +* @brief Provides DMA controller attributes +* +* +* @return DMA controller attributes +* +* @note +* None +*/ +/****************************************************************************/ +uint32_t dmacHw_getDmaControllerAttribute(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ + dmacHw_CONTROLLER_ATTRIB_e attr /* [ IN ] DMA Controler attribute of type dmacHw_CONTROLLER_ATTRIB_e */ + ); + +#endif /* _DMACHW_H */ diff --git a/arch/arm/mach-bcmring/include/csp/errno.h b/arch/arm/mach-bcmring/include/csp/errno.h new file mode 100644 index 0000000..51357dd --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/errno.h @@ -0,0 +1,32 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CSP_ERRNO_H +#define CSP_ERRNO_H + +/* ---- Include Files ---------------------------------------------------- */ + +#if defined(__KERNEL__) +#include <linux/errno.h> +#elif defined(CSP_SIMULATION) +#include <asm-generic/errno.h> +#else +#include <errno.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +#endif /* CSP_ERRNO_H */ diff --git a/arch/arm/mach-bcmring/include/csp/intcHw.h b/arch/arm/mach-bcmring/include/csp/intcHw.h new file mode 100644 index 0000000..1c639c8 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/intcHw.h @@ -0,0 +1,40 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + +/****************************************************************************/ +/** +* @file intcHw.h +* +* @brief generic interrupt controller API +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _INTCHW_H +#define _INTCHW_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <mach/csp/intcHw_reg.h> + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ +static inline void intcHw_irq_disable(void *basep, uint32_t mask); +static inline void intcHw_irq_enable(void *basep, uint32_t mask); + +#endif /* _INTCHW_H */ + diff --git a/arch/arm/mach-bcmring/include/csp/module.h b/arch/arm/mach-bcmring/include/csp/module.h new file mode 100644 index 0000000..c30d2a5 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/module.h @@ -0,0 +1,32 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + +#ifndef CSP_MODULE_H +#define CSP_MODULE_H + +/* ---- Include Files ---------------------------------------------------- */ + +#ifdef __KERNEL__ + #include <linux/module.h> +#else + #define EXPORT_SYMBOL(symbol) +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + + +#endif /* CSP_MODULE_H */ diff --git a/arch/arm/mach-bcmring/include/csp/reg.h b/arch/arm/mach-bcmring/include/csp/reg.h new file mode 100644 index 0000000..e5f60bf --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/reg.h @@ -0,0 +1,114 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file reg.h +* +* @brief Generic register defintions used in CSP +*/ +/****************************************************************************/ + +#ifndef CSP_REG_H +#define CSP_REG_H + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/stdint.h> + +/* ---- Public Constants and Types --------------------------------------- */ + +#define __REG32(x) (*((volatile uint32_t *)(x))) +#define __REG16(x) (*((volatile uint16_t *)(x))) +#define __REG8(x) (*((volatile uint8_t *) (x))) + +/* Macros used to define a sequence of reserved registers. The start / end */ +/* are byte offsets in the particular register definition, with the "end" */ +/* being the offset of the next un-reserved register. E.g. if offsets */ +/* 0x10 through to 0x1f are reserved, then this reserved area could be */ +/* specified as follows. */ +/* typedef struct */ +/* { */ +/* uint32_t reg1; offset 0x00 */ +/* uint32_t reg2; offset 0x04 */ +/* uint32_t reg3; offset 0x08 */ +/* uint32_t reg4; offset 0x0c */ +/* REG32_RSVD(0x10, 0x20); */ +/* uint32_t reg5; offset 0x20 */ +/* ... */ +/* } EXAMPLE_REG_t; */ +#define REG8_RSVD(start, end) uint8_t rsvd_##start[(end - start) / sizeof(uint8_t)] +#define REG16_RSVD(start, end) uint16_t rsvd_##start[(end - start) / sizeof(uint16_t)] +#define REG32_RSVD(start, end) uint32_t rsvd_##start[(end - start) / sizeof(uint32_t)] + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +/* Note: When protecting multiple statements, the REG_LOCAL_IRQ_SAVE and */ +/* REG_LOCAL_IRQ_RESTORE must be enclosed in { } to allow the */ +/* flags variable to be declared locally. */ +/* e.g. */ +/* statement1; */ +/* { */ +/* REG_LOCAL_IRQ_SAVE; */ +/* <multiple statements here> */ +/* REG_LOCAL_IRQ_RESTORE; */ +/* } */ +/* statement2; */ +/* */ + +#if defined(__KERNEL__) && !defined(STANDALONE) +#include <mach/hardware.h> +#include <linux/interrupt.h> + +#define REG_LOCAL_IRQ_SAVE HW_DECLARE_SPINLOCK(reg32) \ + unsigned long flags; HW_IRQ_SAVE(reg32, flags) + +#define REG_LOCAL_IRQ_RESTORE HW_IRQ_RESTORE(reg32, flags) + +#else + +#define REG_LOCAL_IRQ_SAVE +#define REG_LOCAL_IRQ_RESTORE + +#endif + +static inline void reg32_modify_and(volatile uint32_t *reg, uint32_t value) +{ + REG_LOCAL_IRQ_SAVE; + *reg &= value; + REG_LOCAL_IRQ_RESTORE; +} + +static inline void reg32_modify_or(volatile uint32_t *reg, uint32_t value) +{ + REG_LOCAL_IRQ_SAVE; + *reg |= value; + REG_LOCAL_IRQ_RESTORE; +} + +static inline void reg32_modify_mask(volatile uint32_t *reg, uint32_t mask, + uint32_t value) +{ + REG_LOCAL_IRQ_SAVE; + *reg = (*reg & mask) | value; + REG_LOCAL_IRQ_RESTORE; +} + +static inline void reg32_write(volatile uint32_t *reg, uint32_t value) +{ + *reg = value; +} + +#endif /* CSP_REG_H */ diff --git a/arch/arm/mach-bcmring/include/csp/secHw.h b/arch/arm/mach-bcmring/include/csp/secHw.h new file mode 100644 index 0000000..b9d7e07 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/secHw.h @@ -0,0 +1,65 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file secHw.h +* +* @brief Definitions for accessing low level security features +* +*/ +/****************************************************************************/ +#ifndef SECHW_H +#define SECHW_H + +typedef void (*secHw_FUNC_t) (void); + +typedef enum { + secHw_MODE_SECURE = 0x0, /* Switches processor into secure mode */ + secHw_MODE_NONSECURE = 0x1 /* Switches processor into non-secure mode */ +} secHw_MODE; + +/****************************************************************************/ +/** +* @brief Requesting to execute the function in secure mode +* +* This function requests the given function to run in secure mode +* +*/ +/****************************************************************************/ +void secHw_RunSecure(secHw_FUNC_t /* Function to run in secure mode */ + ); + +/****************************************************************************/ +/** +* @brief Sets the mode +* +* his function sets the processor mode (secure/non-secure) +* +*/ +/****************************************************************************/ +void secHw_SetMode(secHw_MODE /* Processor mode */ + ); + +/****************************************************************************/ +/** +* @brief Get the current mode +* +* This function retieves the processor mode (secure/non-secure) +* +*/ +/****************************************************************************/ +void secHw_GetMode(secHw_MODE *); + +#endif /* SECHW_H */ diff --git a/arch/arm/mach-bcmring/include/csp/stdint.h b/arch/arm/mach-bcmring/include/csp/stdint.h new file mode 100644 index 0000000..3a8718b --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/stdint.h @@ -0,0 +1,30 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CSP_STDINT_H +#define CSP_STDINT_H + +/* ---- Include Files ---------------------------------------------------- */ + +#ifdef __KERNEL__ +#include <linux/types.h> +#else +#include <stdint.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +#endif /* CSP_STDINT_H */ diff --git a/arch/arm/mach-bcmring/include/csp/string.h b/arch/arm/mach-bcmring/include/csp/string.h new file mode 100644 index 0000000..ad9e400 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/string.h @@ -0,0 +1,34 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + + +#ifndef CSP_STRING_H +#define CSP_STRING_H + +/* ---- Include Files ---------------------------------------------------- */ + +#ifdef __KERNEL__ + #include <linux/string.h> +#else + #include <string.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + + +#endif /* CSP_STRING_H */ + diff --git a/arch/arm/mach-bcmring/include/csp/tmrHw.h b/arch/arm/mach-bcmring/include/csp/tmrHw.h new file mode 100644 index 0000000..f1236d0 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/tmrHw.h @@ -0,0 +1,263 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file tmrHw.h +* +* @brief API definitions for low level Timer driver +* +*/ +/****************************************************************************/ +#ifndef _TMRHW_H +#define _TMRHW_H + +#include <csp/stdint.h> + +typedef uint32_t tmrHw_ID_t; /* Timer ID */ +typedef uint32_t tmrHw_COUNT_t; /* Timer count */ +typedef uint32_t tmrHw_INTERVAL_t; /* Timer interval */ +typedef uint32_t tmrHw_RATE_t; /* Timer event (count/interrupt) rate */ + +typedef enum { + tmrHw_INTERRUPT_STATUS_SET, /* Interrupted */ + tmrHw_INTERRUPT_STATUS_UNSET /* No Interrupt */ +} tmrHw_INTERRUPT_STATUS_e; + +typedef enum { + tmrHw_CAPABILITY_CLOCK, /* Clock speed in HHz */ + tmrHw_CAPABILITY_RESOLUTION /* Timer resolution in bits */ +} tmrHw_CAPABILITY_e; + +/****************************************************************************/ +/** +* @brief Get timer capability +* +* This function returns various capabilities/attributes of a timer +* +* @return Numeric capability +* +*/ +/****************************************************************************/ +uint32_t tmrHw_getTimerCapability(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_CAPABILITY_e capability /* [ IN ] Timer capability */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer in terms of timer interrupt rate +* +* This function initializes a periodic timer to generate specific number of +* timer interrupt per second +* +* @return On success: Effective timer frequency +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setPeriodicTimerRate(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_RATE_t rate /* [ IN ] Number of timer interrupt per second */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt after +* certain time interval +* +* This function initializes a periodic timer to generate timer interrupt +* after every time interval in milisecond +* +* @return On success: Effective interval set in mili-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setPeriodicTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in mili-second */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt just once +* after certain time interval +* +* This function initializes a periodic timer to generate a single ticks after +* certain time interval in milisecond +* +* @return On success: Effective interval set in mili-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setOneshotTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in mili-second */ +); + +/****************************************************************************/ +/** +* @brief Configures a timer to run as a free running timer +* +* This function initializes a timer to run as a free running timer +* +* @return Timer resolution (count / sec) +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setFreeRunningTimer(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + uint32_t divider /* [ IN ] Dividing the clock frequency */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Starts a timer +* +* This function starts a preconfigured timer +* +* @return -1 - On Failure +* 0 - On Success +*/ +/****************************************************************************/ +int tmrHw_startTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Stops a timer +* +* This function stops a running timer +* +* @return -1 - On Failure +* 0 - On Success +*/ +/****************************************************************************/ +int tmrHw_stopTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Gets current timer count +* +* This function returns the current timer value +* +* @return Current downcounting timer value +* +*/ +/****************************************************************************/ +tmrHw_COUNT_t tmrHw_GetCurrentCount(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Gets timer count rate +* +* This function returns the number of counts per second +* +* @return Count rate +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_getCountRate(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Enables timer interrupt +* +* This function enables the timer interrupt +* +* @return N/A +* +*/ +/****************************************************************************/ +void tmrHw_enableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Disables timer interrupt +* +* This function disable the timer interrupt +* +* @return N/A +*/ +/****************************************************************************/ +void tmrHw_disableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Clears the interrupt +* +* This function clears the timer interrupt +* +* @return N/A +* +* @note +* Must be called under the context of ISR +*/ +/****************************************************************************/ +void tmrHw_clearInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Gets the interrupt status +* +* This function returns timer interrupt status +* +* @return Interrupt status +*/ +/****************************************************************************/ +tmrHw_INTERRUPT_STATUS_e tmrHw_getInterruptStatus(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Indentifies a timer causing interrupt +* +* This functions returns a timer causing interrupt +* +* @return 0xFFFFFFFF : No timer causing an interrupt +* ! 0xFFFFFFFF : timer causing an interrupt +* @note +* tmrHw_clearIntrrupt() must be called with a valid timer id after calling this function +*/ +/****************************************************************************/ +tmrHw_ID_t tmrHw_getInterruptSource(void); + +/****************************************************************************/ +/** +* @brief Displays specific timer registers +* +* +* @return void +* +*/ +/****************************************************************************/ +void tmrHw_printDebugInfo(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ +); + +/****************************************************************************/ +/** +* @brief Use a timer to perform a busy wait delay for a number of usecs. +* +* @return N/A +*/ +/****************************************************************************/ +void tmrHw_udelay(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + unsigned long usecs /* [ IN ] usec to delay */ +) __attribute__ ((section(".aramtext"))); + +#endif /* _TMRHW_H */ diff --git a/arch/arm/mach-bcmring/include/mach/clkdev.h b/arch/arm/mach-bcmring/include/mach/clkdev.h new file mode 100644 index 0000000..04b37a8 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/csp/cap.h b/arch/arm/mach-bcmring/include/mach/csp/cap.h new file mode 100644 index 0000000..30fa2d5 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/cap.h @@ -0,0 +1,63 @@ +/***************************************************************************** +* Copyright 2009 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CAP_H +#define CAP_H + +/* ---- Include Files ---------------------------------------------------- */ +/* ---- Public Constants and Types --------------------------------------- */ +typedef enum { + CAP_NOT_PRESENT = 0, + CAP_PRESENT +} CAP_RC_T; + +typedef enum { + CAP_VPM, + CAP_ETH_PHY, + CAP_ETH_GMII, + CAP_ETH_SGMII, + CAP_USB, + CAP_TSC, + CAP_EHSS, + CAP_SDIO, + CAP_UARTB, + CAP_KEYPAD, + CAP_CLCD, + CAP_GE, + CAP_LEDM, + CAP_BBL, + CAP_VDEC, + CAP_PIF, + CAP_APM, + CAP_SPU, + CAP_PKA, + CAP_RNG, +} CAP_CAPABILITY_T; + +typedef enum { + CAP_LCD_WVGA = 0, + CAP_LCD_VGA = 0x1, + CAP_LCD_WQVGA = 0x2, + CAP_LCD_QVGA = 0x3 +} CAP_LCD_RES_T; + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +static inline CAP_RC_T cap_isPresent(CAP_CAPABILITY_T capability, int index); +static inline uint32_t cap_getMaxArmSpeedHz(void); +static inline uint32_t cap_getMaxVpmSpeedHz(void); +static inline CAP_LCD_RES_T cap_getMaxLcdRes(void); + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/csp/cap_inline.h b/arch/arm/mach-bcmring/include/mach/csp/cap_inline.h new file mode 100644 index 0000000..933ce68 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/cap_inline.h @@ -0,0 +1,409 @@ +/***************************************************************************** +* Copyright 2009 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CAP_INLINE_H +#define CAP_INLINE_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <mach/csp/cap.h> +#include <cfg_global.h> + +/* ---- Public Constants and Types --------------------------------------- */ +#define CAP_CONFIG0_VPM_DIS 0x00000001 +#define CAP_CONFIG0_ETH_PHY0_DIS 0x00000002 +#define CAP_CONFIG0_ETH_PHY1_DIS 0x00000004 +#define CAP_CONFIG0_ETH_GMII0_DIS 0x00000008 +#define CAP_CONFIG0_ETH_GMII1_DIS 0x00000010 +#define CAP_CONFIG0_ETH_SGMII0_DIS 0x00000020 +#define CAP_CONFIG0_ETH_SGMII1_DIS 0x00000040 +#define CAP_CONFIG0_USB0_DIS 0x00000080 +#define CAP_CONFIG0_USB1_DIS 0x00000100 +#define CAP_CONFIG0_TSC_DIS 0x00000200 +#define CAP_CONFIG0_EHSS0_DIS 0x00000400 +#define CAP_CONFIG0_EHSS1_DIS 0x00000800 +#define CAP_CONFIG0_SDIO0_DIS 0x00001000 +#define CAP_CONFIG0_SDIO1_DIS 0x00002000 +#define CAP_CONFIG0_UARTB_DIS 0x00004000 +#define CAP_CONFIG0_KEYPAD_DIS 0x00008000 +#define CAP_CONFIG0_CLCD_DIS 0x00010000 +#define CAP_CONFIG0_GE_DIS 0x00020000 +#define CAP_CONFIG0_LEDM_DIS 0x00040000 +#define CAP_CONFIG0_BBL_DIS 0x00080000 +#define CAP_CONFIG0_VDEC_DIS 0x00100000 +#define CAP_CONFIG0_PIF_DIS 0x00200000 +#define CAP_CONFIG0_RESERVED1_DIS 0x00400000 +#define CAP_CONFIG0_RESERVED2_DIS 0x00800000 + +#define CAP_CONFIG1_APMA_DIS 0x00000001 +#define CAP_CONFIG1_APMB_DIS 0x00000002 +#define CAP_CONFIG1_APMC_DIS 0x00000004 +#define CAP_CONFIG1_CLCD_RES_MASK 0x00000600 +#define CAP_CONFIG1_CLCD_RES_SHIFT 9 +#define CAP_CONFIG1_CLCD_RES_WVGA (CAP_LCD_WVGA << CAP_CONFIG1_CLCD_RES_SHIFT) +#define CAP_CONFIG1_CLCD_RES_VGA (CAP_LCD_VGA << CAP_CONFIG1_CLCD_RES_SHIFT) +#define CAP_CONFIG1_CLCD_RES_WQVGA (CAP_LCD_WQVGA << CAP_CONFIG1_CLCD_RES_SHIFT) +#define CAP_CONFIG1_CLCD_RES_QVGA (CAP_LCD_QVGA << CAP_CONFIG1_CLCD_RES_SHIFT) + +#define CAP_CONFIG2_SPU_DIS 0x00000010 +#define CAP_CONFIG2_PKA_DIS 0x00000020 +#define CAP_CONFIG2_RNG_DIS 0x00000080 + +#if (CFG_GLOBAL_CHIP == BCM11107) +#define capConfig0 0 +#define capConfig1 CAP_CONFIG1_CLCD_RES_WVGA +#define capConfig2 0 +#define CAP_APM_MAX_NUM_CHANS 3 +#elif (CFG_GLOBAL_CHIP == FPGA11107) +#define capConfig0 0 +#define capConfig1 CAP_CONFIG1_CLCD_RES_WVGA +#define capConfig2 0 +#define CAP_APM_MAX_NUM_CHANS 3 +#elif (CFG_GLOBAL_CHIP == BCM11109) +#define capConfig0 (CAP_CONFIG0_USB1_DIS | CAP_CONFIG0_EHSS1_DIS | CAP_CONFIG0_SDIO1_DIS | CAP_CONFIG0_GE_DIS | CAP_CONFIG0_BBL_DIS | CAP_CONFIG0_VDEC_DIS) +#define capConfig1 (CAP_CONFIG1_APMC_DIS | CAP_CONFIG1_CLCD_RES_WQVGA) +#define capConfig2 (CAP_CONFIG2_SPU_DIS | CAP_CONFIG2_PKA_DIS) +#define CAP_APM_MAX_NUM_CHANS 2 +#elif (CFG_GLOBAL_CHIP == BCM11170) +#define capConfig0 (CAP_CONFIG0_ETH_GMII0_DIS | CAP_CONFIG0_ETH_GMII1_DIS | CAP_CONFIG0_USB0_DIS | CAP_CONFIG0_USB1_DIS | CAP_CONFIG0_TSC_DIS | CAP_CONFIG0_EHSS1_DIS | CAP_CONFIG0_SDIO0_DIS | CAP_CONFIG0_SDIO1_DIS | CAP_CONFIG0_UARTB_DIS | CAP_CONFIG0_CLCD_DIS | CAP_CONFIG0_GE_DIS | CAP_CONFIG0_BBL_DIS | CAP_CONFIG0_VDEC_DIS) +#define capConfig1 (CAP_CONFIG1_APMC_DIS | CAP_CONFIG1_CLCD_RES_WQVGA) +#define capConfig2 (CAP_CONFIG2_SPU_DIS | CAP_CONFIG2_PKA_DIS) +#define CAP_APM_MAX_NUM_CHANS 2 +#elif (CFG_GLOBAL_CHIP == BCM11110) +#define capConfig0 (CAP_CONFIG0_USB1_DIS | CAP_CONFIG0_TSC_DIS | CAP_CONFIG0_EHSS1_DIS | CAP_CONFIG0_SDIO0_DIS | CAP_CONFIG0_SDIO1_DIS | CAP_CONFIG0_UARTB_DIS | CAP_CONFIG0_GE_DIS | CAP_CONFIG0_BBL_DIS | CAP_CONFIG0_VDEC_DIS) +#define capConfig1 CAP_CONFIG1_APMC_DIS +#define capConfig2 (CAP_CONFIG2_SPU_DIS | CAP_CONFIG2_PKA_DIS) +#define CAP_APM_MAX_NUM_CHANS 2 +#elif (CFG_GLOBAL_CHIP == BCM11211) +#define capConfig0 (CAP_CONFIG0_ETH_PHY0_DIS | CAP_CONFIG0_ETH_GMII0_DIS | CAP_CONFIG0_ETH_GMII1_DIS | CAP_CONFIG0_ETH_SGMII0_DIS | CAP_CONFIG0_ETH_SGMII1_DIS | CAP_CONFIG0_CLCD_DIS) +#define capConfig1 CAP_CONFIG1_APMC_DIS +#define capConfig2 0 +#define CAP_APM_MAX_NUM_CHANS 2 +#else +#error CFG_GLOBAL_CHIP type capabilities not defined +#endif + +#if ((CFG_GLOBAL_CHIP == BCM11107) || (CFG_GLOBAL_CHIP == FPGA11107)) +#define CAP_HW_CFG_ARM_CLK_HZ 500000000 +#elif ((CFG_GLOBAL_CHIP == BCM11109) || (CFG_GLOBAL_CHIP == BCM11170) || (CFG_GLOBAL_CHIP == BCM11110)) +#define CAP_HW_CFG_ARM_CLK_HZ 300000000 +#elif (CFG_GLOBAL_CHIP == BCM11211) +#define CAP_HW_CFG_ARM_CLK_HZ 666666666 +#else +#error CFG_GLOBAL_CHIP type capabilities not defined +#endif + +#if ((CFG_GLOBAL_CHIP == BCM11107) || (CFG_GLOBAL_CHIP == BCM11211) || (CFG_GLOBAL_CHIP == FPGA11107)) +#define CAP_HW_CFG_VPM_CLK_HZ 333333333 +#elif ((CFG_GLOBAL_CHIP == BCM11109) || (CFG_GLOBAL_CHIP == BCM11170) || (CFG_GLOBAL_CHIP == BCM11110)) +#define CAP_HW_CFG_VPM_CLK_HZ 200000000 +#else +#error CFG_GLOBAL_CHIP type capabilities not defined +#endif + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +/**************************************************************************** +* cap_isPresent - +* +* PURPOSE: +* Determines if the chip has a certain capability present +* +* PARAMETERS: +* capability - type of capability to determine if present +* +* RETURNS: +* CAP_PRESENT or CAP_NOT_PRESENT +****************************************************************************/ +static inline CAP_RC_T cap_isPresent(CAP_CAPABILITY_T capability, int index) +{ + CAP_RC_T returnVal = CAP_NOT_PRESENT; + + switch (capability) { + case CAP_VPM: + { + if (!(capConfig0 & CAP_CONFIG0_VPM_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_ETH_PHY: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_ETH_PHY0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_ETH_PHY1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_ETH_GMII: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_ETH_GMII0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_ETH_GMII1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_ETH_SGMII: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_ETH_SGMII0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_ETH_SGMII1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_USB: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_USB0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_USB1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_TSC: + { + if (!(capConfig0 & CAP_CONFIG0_TSC_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_EHSS: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_EHSS0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_EHSS1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_SDIO: + { + if ((index == 0) + && (!(capConfig0 & CAP_CONFIG0_SDIO0_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig0 & CAP_CONFIG0_SDIO1_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_UARTB: + { + if (!(capConfig0 & CAP_CONFIG0_UARTB_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_KEYPAD: + { + if (!(capConfig0 & CAP_CONFIG0_KEYPAD_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_CLCD: + { + if (!(capConfig0 & CAP_CONFIG0_CLCD_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_GE: + { + if (!(capConfig0 & CAP_CONFIG0_GE_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_LEDM: + { + if (!(capConfig0 & CAP_CONFIG0_LEDM_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_BBL: + { + if (!(capConfig0 & CAP_CONFIG0_BBL_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_VDEC: + { + if (!(capConfig0 & CAP_CONFIG0_VDEC_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_PIF: + { + if (!(capConfig0 & CAP_CONFIG0_PIF_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_APM: + { + if ((index == 0) + && (!(capConfig1 & CAP_CONFIG1_APMA_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 1) + && (!(capConfig1 & CAP_CONFIG1_APMB_DIS))) { + returnVal = CAP_PRESENT; + } + if ((index == 2) + && (!(capConfig1 & CAP_CONFIG1_APMC_DIS))) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_SPU: + { + if (!(capConfig2 & CAP_CONFIG2_SPU_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_PKA: + { + if (!(capConfig2 & CAP_CONFIG2_PKA_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + case CAP_RNG: + { + if (!(capConfig2 & CAP_CONFIG2_RNG_DIS)) { + returnVal = CAP_PRESENT; + } + } + break; + + default: + { + } + break; + } + return returnVal; +} + +/**************************************************************************** +* cap_getMaxArmSpeedHz - +* +* PURPOSE: +* Determines the maximum speed of the ARM CPU +* +* PARAMETERS: +* none +* +* RETURNS: +* clock speed in Hz that the ARM processor is able to run at +****************************************************************************/ +static inline uint32_t cap_getMaxArmSpeedHz(void) +{ +#if ((CFG_GLOBAL_CHIP == BCM11107) || (CFG_GLOBAL_CHIP == FPGA11107)) + return 500000000; +#elif ((CFG_GLOBAL_CHIP == BCM11109) || (CFG_GLOBAL_CHIP == BCM11170) || (CFG_GLOBAL_CHIP == BCM11110)) + return 300000000; +#elif (CFG_GLOBAL_CHIP == BCM11211) + return 666666666; +#else +#error CFG_GLOBAL_CHIP type capabilities not defined +#endif +} + +/**************************************************************************** +* cap_getMaxVpmSpeedHz - +* +* PURPOSE: +* Determines the maximum speed of the VPM +* +* PARAMETERS: +* none +* +* RETURNS: +* clock speed in Hz that the VPM is able to run at +****************************************************************************/ +static inline uint32_t cap_getMaxVpmSpeedHz(void) +{ +#if ((CFG_GLOBAL_CHIP == BCM11107) || (CFG_GLOBAL_CHIP == BCM11211) || (CFG_GLOBAL_CHIP == FPGA11107)) + return 333333333; +#elif ((CFG_GLOBAL_CHIP == BCM11109) || (CFG_GLOBAL_CHIP == BCM11170) || (CFG_GLOBAL_CHIP == BCM11110)) + return 200000000; +#else +#error CFG_GLOBAL_CHIP type capabilities not defined +#endif +} + +/**************************************************************************** +* cap_getMaxLcdRes - +* +* PURPOSE: +* Determines the maximum LCD resolution capabilities +* +* PARAMETERS: +* none +* +* RETURNS: +* CAP_LCD_WVGA, CAP_LCD_VGA, CAP_LCD_WQVGA or CAP_LCD_QVGA +* +****************************************************************************/ +static inline CAP_LCD_RES_T cap_getMaxLcdRes(void) +{ + return (CAP_LCD_RES_T) + ((capConfig1 & CAP_CONFIG1_CLCD_RES_MASK) >> + CAP_CONFIG1_CLCD_RES_SHIFT); +} + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/csp/chipcHw_def.h b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_def.h new file mode 100644 index 0000000..70eaea8 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_def.h @@ -0,0 +1,1123 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CHIPC_DEF_H +#define CHIPC_DEF_H + +/* ---- Include Files ----------------------------------------------------- */ + +#include <csp/stdint.h> +#include <csp/errno.h> +#include <csp/reg.h> +#include <mach/csp/chipcHw_reg.h> + +/* ---- Public Constants and Types ---------------------------------------- */ + +/* Set 1 to configure DDR/VPM phase alignment by HW */ +#define chipcHw_DDR_HW_PHASE_ALIGN 0 +#define chipcHw_VPM_HW_PHASE_ALIGN 0 + +typedef uint32_t chipcHw_freq; + +/* Configurable miscellaneous clocks */ +typedef enum { + chipcHw_CLOCK_DDR, /* DDR PHY Clock */ + chipcHw_CLOCK_ARM, /* ARM Clock */ + chipcHw_CLOCK_ESW, /* Ethernet Switch Clock */ + chipcHw_CLOCK_VPM, /* VPM Clock */ + chipcHw_CLOCK_ESW125, /* Ethernet MII Clock */ + chipcHw_CLOCK_UART, /* UART Clock */ + chipcHw_CLOCK_SDIO0, /* SDIO 0 Clock */ + chipcHw_CLOCK_SDIO1, /* SDIO 1 Clock */ + chipcHw_CLOCK_SPI, /* SPI Clock */ + chipcHw_CLOCK_ETM, /* ARM ETM Clock */ + + chipcHw_CLOCK_BUS, /* BUS Clock */ + chipcHw_CLOCK_OTP, /* OTP Clock */ + chipcHw_CLOCK_I2C, /* I2C Host Clock */ + chipcHw_CLOCK_I2S0, /* I2S 0 Host Clock */ + chipcHw_CLOCK_RTBUS, /* DDR PHY Configuration Clock */ + chipcHw_CLOCK_APM100, /* APM100 Clock */ + chipcHw_CLOCK_TSC, /* Touch screen Clock */ + chipcHw_CLOCK_LED, /* LED Clock */ + + chipcHw_CLOCK_USB, /* USB Clock */ + chipcHw_CLOCK_LCD, /* LCD CLock */ + chipcHw_CLOCK_APM, /* APM Clock */ + + chipcHw_CLOCK_I2S1, /* I2S 1 Host Clock */ +} chipcHw_CLOCK_e; + +/* System booting strap options */ +typedef enum { + chipcHw_BOOT_DEVICE_UART = chipcHw_STRAPS_BOOT_DEVICE_UART, + chipcHw_BOOT_DEVICE_SERIAL_FLASH = + chipcHw_STRAPS_BOOT_DEVICE_SERIAL_FLASH, + chipcHw_BOOT_DEVICE_NOR_FLASH_16 = + chipcHw_STRAPS_BOOT_DEVICE_NOR_FLASH_16, + chipcHw_BOOT_DEVICE_NAND_FLASH_8 = + chipcHw_STRAPS_BOOT_DEVICE_NAND_FLASH_8, + chipcHw_BOOT_DEVICE_NAND_FLASH_16 = + chipcHw_STRAPS_BOOT_DEVICE_NAND_FLASH_16 +} chipcHw_BOOT_DEVICE_e; + +/* System booting modes */ +typedef enum { + chipcHw_BOOT_MODE_NORMAL = chipcHw_STRAPS_BOOT_MODE_NORMAL, + chipcHw_BOOT_MODE_DBG_SW = chipcHw_STRAPS_BOOT_MODE_DBG_SW, + chipcHw_BOOT_MODE_DBG_BOOT = chipcHw_STRAPS_BOOT_MODE_DBG_BOOT, + chipcHw_BOOT_MODE_NORMAL_QUIET = chipcHw_STRAPS_BOOT_MODE_NORMAL_QUIET +} chipcHw_BOOT_MODE_e; + +/* NAND Flash page size strap options */ +typedef enum { + chipcHw_NAND_PAGESIZE_512 = chipcHw_STRAPS_NAND_PAGESIZE_512, + chipcHw_NAND_PAGESIZE_2048 = chipcHw_STRAPS_NAND_PAGESIZE_2048, + chipcHw_NAND_PAGESIZE_4096 = chipcHw_STRAPS_NAND_PAGESIZE_4096, + chipcHw_NAND_PAGESIZE_EXT = chipcHw_STRAPS_NAND_PAGESIZE_EXT +} chipcHw_NAND_PAGESIZE_e; + +/* GPIO Pin function */ +typedef enum { + chipcHw_GPIO_FUNCTION_KEYPAD = chipcHw_REG_GPIO_MUX_KEYPAD, + chipcHw_GPIO_FUNCTION_I2CH = chipcHw_REG_GPIO_MUX_I2CH, + chipcHw_GPIO_FUNCTION_SPI = chipcHw_REG_GPIO_MUX_SPI, + chipcHw_GPIO_FUNCTION_UART = chipcHw_REG_GPIO_MUX_UART, + chipcHw_GPIO_FUNCTION_LEDMTXP = chipcHw_REG_GPIO_MUX_LEDMTXP, + chipcHw_GPIO_FUNCTION_LEDMTXS = chipcHw_REG_GPIO_MUX_LEDMTXS, + chipcHw_GPIO_FUNCTION_SDIO0 = chipcHw_REG_GPIO_MUX_SDIO0, + chipcHw_GPIO_FUNCTION_SDIO1 = chipcHw_REG_GPIO_MUX_SDIO1, + chipcHw_GPIO_FUNCTION_PCM = chipcHw_REG_GPIO_MUX_PCM, + chipcHw_GPIO_FUNCTION_I2S = chipcHw_REG_GPIO_MUX_I2S, + chipcHw_GPIO_FUNCTION_ETM = chipcHw_REG_GPIO_MUX_ETM, + chipcHw_GPIO_FUNCTION_DEBUG = chipcHw_REG_GPIO_MUX_DEBUG, + chipcHw_GPIO_FUNCTION_MISC = chipcHw_REG_GPIO_MUX_MISC, + chipcHw_GPIO_FUNCTION_GPIO = chipcHw_REG_GPIO_MUX_GPIO +} chipcHw_GPIO_FUNCTION_e; + +/* PIN Output slew rate */ +typedef enum { + chipcHw_PIN_SLEW_RATE_HIGH = chipcHw_REG_SLEW_RATE_HIGH, + chipcHw_PIN_SLEW_RATE_NORMAL = chipcHw_REG_SLEW_RATE_NORMAL +} chipcHw_PIN_SLEW_RATE_e; + +/* PIN Current drive strength */ +typedef enum { + chipcHw_PIN_CURRENT_STRENGTH_2mA = chipcHw_REG_CURRENT_STRENGTH_2mA, + chipcHw_PIN_CURRENT_STRENGTH_4mA = chipcHw_REG_CURRENT_STRENGTH_4mA, + chipcHw_PIN_CURRENT_STRENGTH_6mA = chipcHw_REG_CURRENT_STRENGTH_6mA, + chipcHw_PIN_CURRENT_STRENGTH_8mA = chipcHw_REG_CURRENT_STRENGTH_8mA, + chipcHw_PIN_CURRENT_STRENGTH_10mA = chipcHw_REG_CURRENT_STRENGTH_10mA, + chipcHw_PIN_CURRENT_STRENGTH_12mA = chipcHw_REG_CURRENT_STRENGTH_12mA +} chipcHw_PIN_CURRENT_STRENGTH_e; + +/* PIN Pull up register settings */ +typedef enum { + chipcHw_PIN_PULL_NONE = chipcHw_REG_PULL_NONE, + chipcHw_PIN_PULL_UP = chipcHw_REG_PULL_UP, + chipcHw_PIN_PULL_DOWN = chipcHw_REG_PULL_DOWN +} chipcHw_PIN_PULL_e; + +/* PIN input type settings */ +typedef enum { + chipcHw_PIN_INPUTTYPE_CMOS = chipcHw_REG_INPUTTYPE_CMOS, + chipcHw_PIN_INPUTTYPE_ST = chipcHw_REG_INPUTTYPE_ST +} chipcHw_PIN_INPUTTYPE_e; + +/* Allow/Disalow the support of spread spectrum */ +typedef enum { + chipcHw_SPREAD_SPECTRUM_DISALLOW, /* Spread spectrum support is not allowed */ + chipcHw_SPREAD_SPECTRUM_ALLOW /* Spread spectrum support is allowed */ +} chipcHw_SPREAD_SPECTRUM_e; + +typedef struct { + chipcHw_SPREAD_SPECTRUM_e ssSupport; /* Allow/Disalow to support spread spectrum. + If supported, call chipcHw_enableSpreadSpectrum () + to activate the spread spectrum with desired spread. */ + uint32_t pllVcoFreqHz; /* PLL VCO frequency in Hz */ + uint32_t pll2VcoFreqHz; /* PLL2 VCO frequency in Hz */ + uint32_t busClockFreqHz; /* Bus clock frequency in Hz */ + uint32_t armBusRatio; /* ARM clock : Bus clock */ + uint32_t vpmBusRatio; /* VPM clock : Bus clock */ + uint32_t ddrBusRatio; /* DDR clock : Bus clock */ +} chipcHw_INIT_PARAM_t; + +/* CHIP revision number */ +typedef enum { + chipcHw_REV_NUMBER_A0 = chipcHw_REG_REV_A0, + chipcHw_REV_NUMBER_B0 = chipcHw_REG_REV_B0 +} chipcHw_REV_NUMBER_e; + +typedef enum { + chipcHw_VPM_HW_PHASE_INTR_DISABLE = chipcHw_REG_VPM_INTR_DISABLE, + chipcHw_VPM_HW_PHASE_INTR_FAST = chipcHw_REG_VPM_INTR_FAST, + chipcHw_VPM_HW_PHASE_INTR_MEDIUM = chipcHw_REG_VPM_INTR_MEDIUM, + chipcHw_VPM_HW_PHASE_INTR_SLOW = chipcHw_REG_VPM_INTR_SLOW +} chipcHw_VPM_HW_PHASE_INTR_e; + +typedef enum { + chipcHw_DDR_HW_PHASE_MARGIN_STRICT, /* Strict margin for DDR phase align condition */ + chipcHw_DDR_HW_PHASE_MARGIN_MEDIUM, /* Medium margin for DDR phase align condition */ + chipcHw_DDR_HW_PHASE_MARGIN_WIDE /* Wider margin for DDR phase align condition */ +} chipcHw_DDR_HW_PHASE_MARGIN_e; + +typedef enum { + chipcHw_VPM_HW_PHASE_MARGIN_STRICT, /* Strict margin for VPM phase align condition */ + chipcHw_VPM_HW_PHASE_MARGIN_MEDIUM, /* Medium margin for VPM phase align condition */ + chipcHw_VPM_HW_PHASE_MARGIN_WIDE /* Wider margin for VPM phase align condition */ +} chipcHw_VPM_HW_PHASE_MARGIN_e; + +#define chipcHw_XTAL_FREQ_Hz 25000000 /* Reference clock frequency in Hz */ + +/* Programable pin defines */ +#define chipcHw_PIN_GPIO(n) ((((n) >= 0) && ((n) < (chipcHw_GPIO_COUNT))) ? (n) : 0xFFFFFFFF) + /* GPIO pin 0 - 60 */ +#define chipcHw_PIN_UARTTXD (chipcHw_GPIO_COUNT + 0) /* UART Transmit */ +#define chipcHw_PIN_NVI_A (chipcHw_GPIO_COUNT + 1) /* NVI Interface */ +#define chipcHw_PIN_NVI_D (chipcHw_GPIO_COUNT + 2) /* NVI Interface */ +#define chipcHw_PIN_NVI_OEB (chipcHw_GPIO_COUNT + 3) /* NVI Interface */ +#define chipcHw_PIN_NVI_WEB (chipcHw_GPIO_COUNT + 4) /* NVI Interface */ +#define chipcHw_PIN_NVI_CS (chipcHw_GPIO_COUNT + 5) /* NVI Interface */ +#define chipcHw_PIN_NVI_NAND_CSB (chipcHw_GPIO_COUNT + 6) /* NVI Interface */ +#define chipcHw_PIN_NVI_FLASHWP (chipcHw_GPIO_COUNT + 7) /* NVI Interface */ +#define chipcHw_PIN_NVI_NAND_RDYB (chipcHw_GPIO_COUNT + 8) /* NVI Interface */ +#define chipcHw_PIN_CL_DATA_0_17 (chipcHw_GPIO_COUNT + 9) /* LCD Data 0 - 17 */ +#define chipcHw_PIN_CL_DATA_18_20 (chipcHw_GPIO_COUNT + 10) /* LCD Data 18 - 20 */ +#define chipcHw_PIN_CL_DATA_21_23 (chipcHw_GPIO_COUNT + 11) /* LCD Data 21 - 23 */ +#define chipcHw_PIN_CL_POWER (chipcHw_GPIO_COUNT + 12) /* LCD Power */ +#define chipcHw_PIN_CL_ACK (chipcHw_GPIO_COUNT + 13) /* LCD Ack */ +#define chipcHw_PIN_CL_FP (chipcHw_GPIO_COUNT + 14) /* LCD FP */ +#define chipcHw_PIN_CL_LP (chipcHw_GPIO_COUNT + 15) /* LCD LP */ +#define chipcHw_PIN_UARTRXD (chipcHw_GPIO_COUNT + 16) /* UART Receive */ + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +/****************************************************************************/ +/** +* @brief Initializes the clock module +* +*/ +/****************************************************************************/ +void chipcHw_Init(chipcHw_INIT_PARAM_t *initParam /* [ IN ] Misc chip initialization parameter */ + ) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Enables the PLL1 +* +* This function enables the PLL1 +* +*/ +/****************************************************************************/ +void chipcHw_pll1Enable(uint32_t vcoFreqHz, /* [ IN ] VCO frequency in Hz */ + chipcHw_SPREAD_SPECTRUM_e ssSupport /* [ IN ] SS status */ + ) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Enables the PLL2 +* +* This function enables the PLL2 +* +*/ +/****************************************************************************/ +void chipcHw_pll2Enable(uint32_t vcoFreqHz /* [ IN ] VCO frequency in Hz */ + ) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Disable the PLL1 +* +*/ +/****************************************************************************/ +static inline void chipcHw_pll1Disable(void); + +/****************************************************************************/ +/** +* @brief Disable the PLL2 +* +*/ +/****************************************************************************/ +static inline void chipcHw_pll2Disable(void); + +/****************************************************************************/ +/** +* @brief Set clock fequency for miscellaneous configurable clocks +* +* This function sets clock frequency +* +* @return Configured clock frequency in KHz +* +*/ +/****************************************************************************/ +chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Set clock fequency for miscellaneous configurable clocks +* +* This function sets clock frequency +* +* @return Configured clock frequency in Hz +* +*/ +/****************************************************************************/ +chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configurable clock */ + uint32_t freq /* [ IN ] Clock frequency in Hz */ + ) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Set VPM clock in sync with BUS clock +* +* This function does the phase adjustment between VPM and BUS clock +* +* @return >= 0 : On success ( # of adjustment required ) +* -1 : On failure +*/ +/****************************************************************************/ +int chipcHw_vpmPhaseAlign(void); + +/****************************************************************************/ +/** +* @brief Enables core a clock of a certain device +* +* This function enables a core clock +* +* @return void +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_setClockEnable(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ); + +/****************************************************************************/ +/** +* @brief Disabled a core clock of a certain device +* +* This function disables a core clock +* +* @return void +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_setClockDisable(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ); + +/****************************************************************************/ +/** +* @brief Enables bypass clock of a certain device +* +* This function enables bypass clock +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_bypassClockEnable(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ); + +/****************************************************************************/ +/** +* @brief Disabled bypass clock of a certain device +* +* This function disables bypass clock +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_bypassClockDisable(chipcHw_CLOCK_e clock /* [ IN ] Configurable clock */ + ); + +/****************************************************************************/ +/** +* @brief Get Numeric Chip ID +* +* This function returns Chip ID that includes the revison number +* +* @return Complete numeric Chip ID +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getChipId(void); + +/****************************************************************************/ +/** +* @brief Get Chip Product ID +* +* This function returns Chip Product ID +* +* @return Chip Product ID +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getChipProductId(void); + +/****************************************************************************/ +/** +* @brief Get revision number +* +* This function returns revision number of the chip +* +* @return Revision number +*/ +/****************************************************************************/ +static inline chipcHw_REV_NUMBER_e chipcHw_getChipRevisionNumber(void); + +/****************************************************************************/ +/** +* @brief Enables bus interface clock +* +* Enables bus interface clock of various device +* +* @return void +* +* @note use chipcHw_REG_BUS_CLOCK_XXXX +*/ +/****************************************************************************/ +static inline void chipcHw_busInterfaceClockEnable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_BUS_CLOCK_XXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Disables bus interface clock +* +* Disables bus interface clock of various device +* +* @return void +* +* @note use chipcHw_REG_BUS_CLOCK_XXXX +*/ +/****************************************************************************/ +static inline void chipcHw_busInterfaceClockDisable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_BUS_CLOCK_XXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Enables various audio channels +* +* Enables audio channel +* +* @return void +* +* @note use chipcHw_REG_AUDIO_CHANNEL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_audioChannelEnable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_AUDIO_CHANNEL_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Disables various audio channels +* +* Disables audio channel +* +* @return void +* +* @note use chipcHw_REG_AUDIO_CHANNEL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_audioChannelDisable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_AUDIO_CHANNEL_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Soft resets devices +* +* Soft resets various devices +* +* @return void +* +* @note use chipcHw_REG_SOFT_RESET_XXXXXX defines +*/ +/****************************************************************************/ +static inline void chipcHw_softReset(uint64_t mask /* [ IN ] Bit map of type chipcHw_REG_SOFT_RESET_XXXXXX */ + ); + +static inline void chipcHw_softResetDisable(uint64_t mask /* [ IN ] Bit map of type chipcHw_REG_SOFT_RESET_XXXXXX */ + ); + +static inline void chipcHw_softResetEnable(uint64_t mask /* [ IN ] Bit map of type chipcHw_REG_SOFT_RESET_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Configures misc CHIP functionality +* +* Configures CHIP functionality +* +* @return void +* +* @note use chipcHw_REG_MISC_CTRL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_miscControl(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_MISC_CTRL_XXXXXX */ + ); + +static inline void chipcHw_miscControlDisable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_MISC_CTRL_XXXXXX */ + ); + +static inline void chipcHw_miscControlEnable(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_MISC_CTRL_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Set OTP options +* +* Set OTP options +* +* @return void +* +* @note use chipcHw_REG_OTP_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_setOTPOption(uint64_t mask /* [ IN ] Bit map of type chipcHw_REG_OTP_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Get sticky bits +* +* @return Sticky bit options of type chipcHw_REG_STICKY_XXXXXX +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getStickyBits(void); + +/****************************************************************************/ +/** +* @brief Set sticky bits +* +* @return void +* +* @note use chipcHw_REG_STICKY_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_setStickyBits(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_STICKY_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Clear sticky bits +* +* @return void +* +* @note use chipcHw_REG_STICKY_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_clearStickyBits(uint32_t mask /* [ IN ] Bit map of type chipcHw_REG_STICKY_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Get software override strap options +* +* Retrieves software override strap options +* +* @return Software override strap value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getSoftStraps(void); + +/****************************************************************************/ +/** +* @brief Set software override strap options +* +* set software override strap options +* +* @return nothing +* +*/ +/****************************************************************************/ +static inline void chipcHw_setSoftStraps(uint32_t strapOptions); + +/****************************************************************************/ +/** +* @brief Get pin strap options +* +* Retrieves pin strap options +* +* @return Pin strap value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getPinStraps(void); + +/****************************************************************************/ +/** +* @brief Get valid pin strap options +* +* Retrieves valid pin strap options +* +* @return valid Pin strap value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getValidStraps(void); + +/****************************************************************************/ +/** +* @brief Initialize valid pin strap options +* +* Retrieves valid pin strap options by copying HW strap options to soft register +* (if chipcHw_STRAPS_SOFT_OVERRIDE not set) +* +* @return nothing +* +*/ +/****************************************************************************/ +static inline void chipcHw_initValidStraps(void); + +/****************************************************************************/ +/** +* @brief Get status (enabled/disabled) of bus interface clock +* +* This function returns the status of devices' bus interface clock +* +* @return Bus interface clock +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getBusInterfaceClockStatus(void); + +/****************************************************************************/ +/** +* @brief Get boot device +* +* This function returns the device type used in booting the system +* +* @return Boot device of type chipcHw_BOOT_DEVICE_e +* +*/ +/****************************************************************************/ +static inline chipcHw_BOOT_DEVICE_e chipcHw_getBootDevice(void); + +/****************************************************************************/ +/** +* @brief Get boot mode +* +* This function returns the way the system was booted +* +* @return Boot mode of type chipcHw_BOOT_MODE_e +* +*/ +/****************************************************************************/ +static inline chipcHw_BOOT_MODE_e chipcHw_getBootMode(void); + +/****************************************************************************/ +/** +* @brief Get NAND flash page size +* +* This function returns the NAND device page size +* +* @return Boot NAND device page size +* +*/ +/****************************************************************************/ +static inline chipcHw_NAND_PAGESIZE_e chipcHw_getNandPageSize(void); + +/****************************************************************************/ +/** +* @brief Get NAND flash address cycle configuration +* +* This function returns the NAND flash address cycle configuration +* +* @return 0 = Do not extra address cycle, 1 = Add extra cycle +* +*/ +/****************************************************************************/ +static inline int chipcHw_getNandExtraCycle(void); + +/****************************************************************************/ +/** +* @brief Activates PIF interface +* +* This function activates PIF interface by taking control of LCD pins +* +* @note +* When activated, LCD pins will be defined as follows for PIF operation +* +* CLD[17:0] = pif_data[17:0] +* CLD[23:18] = pif_address[5:0] +* CLPOWER = pif_wr_str +* CLCP = pif_rd_str +* CLAC = pif_hat1 +* CLFP = pif_hrdy1 +* CLLP = pif_hat2 +* GPIO[42] = pif_hrdy2 +* +* In PIF mode, "pif_hrdy2" overrides other shared function for GPIO[42] pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_activatePifInterface(void); + +/****************************************************************************/ +/** +* @brief Activates LCD interface +* +* This function activates LCD interface +* +* @note +* When activated, LCD pins will be defined as follows +* +* CLD[17:0] = LCD data +* CLD[23:18] = LCD data +* CLPOWER = LCD power +* CLCP = +* CLAC = LCD ack +* CLFP = +* CLLP = +*/ +/****************************************************************************/ +static inline void chipcHw_activateLcdInterface(void); + +/****************************************************************************/ +/** +* @brief Deactivates PIF/LCD interface +* +* This function deactivates PIF/LCD interface +* +* @note +* When deactivated LCD pins will be in rti-stated +* +*/ +/****************************************************************************/ +static inline void chipcHw_deactivatePifLcdInterface(void); + +/****************************************************************************/ +/** +* @brief Get to know the configuration of GPIO pin +* +*/ +/****************************************************************************/ +static inline chipcHw_GPIO_FUNCTION_e chipcHw_getGpioPinFunction(int pin /* GPIO Pin number */ + ); + +/****************************************************************************/ +/** +* @brief Configure GPIO pin function +* +*/ +/****************************************************************************/ +static inline void chipcHw_setGpioPinFunction(int pin, /* GPIO Pin number */ + chipcHw_GPIO_FUNCTION_e func /* Configuration function */ + ); + +/****************************************************************************/ +/** +* @brief Set Pin slew rate +* +* This function sets the slew of individual pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinSlewRate(uint32_t pin, /* Pin of type chipcHw_PIN_XXXXX */ + chipcHw_PIN_SLEW_RATE_e slewRate /* Pin slew rate */ + ); + +/****************************************************************************/ +/** +* @brief Set Pin output drive current +* +* This function sets output drive current of individual pin +* +* Note: Avoid the use of the word 'current' since linux headers define this +* to be the current task. +*/ +/****************************************************************************/ +static inline void chipcHw_setPinOutputCurrent(uint32_t pin, /* Pin of type chipcHw_PIN_XXXXX */ + chipcHw_PIN_CURRENT_STRENGTH_e curr /* Pin current rating */ + ); + +/****************************************************************************/ +/** +* @brief Set Pin pullup register +* +* This function sets pullup register of individual pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinPullup(uint32_t pin, /* Pin of type chipcHw_PIN_XXXXX */ + chipcHw_PIN_PULL_e pullup /* Pullup register settings */ + ); + +/****************************************************************************/ +/** +* @brief Set Pin input type +* +* This function sets input type of individual Pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinInputType(uint32_t pin, /* Pin of type chipcHw_PIN_XXXXX */ + chipcHw_PIN_INPUTTYPE_e inputType /* Pin input type */ + ); + +/****************************************************************************/ +/** +* @brief Retrieves a string representation of the mux setting for a pin. +* +* @return Pointer to a character string. +*/ +/****************************************************************************/ + +const char *chipcHw_getGpioPinFunctionStr(int pin); + +/****************************************************************************/ +/** @brief issue warmReset + */ +/****************************************************************************/ +void chipcHw_reset(uint32_t mask); + +/****************************************************************************/ +/** @brief clock reconfigure + */ +/****************************************************************************/ +void chipcHw_clockReconfig(uint32_t busHz, uint32_t armRatio, uint32_t vpmRatio, + uint32_t ddrRatio); + +/****************************************************************************/ +/** +* @brief Enable Spread Spectrum +* +* @note chipcHw_Init() must be called earlier +*/ +/****************************************************************************/ +static inline void chipcHw_enableSpreadSpectrum(void); + +/****************************************************************************/ +/** +* @brief Disable Spread Spectrum +* +*/ +/****************************************************************************/ +static inline void chipcHw_disableSpreadSpectrum(void); + +/****************************************************************************/ +/** @brief Checks if software strap is enabled + * + * @return 1 : When enable + * 0 : When disable + */ +/****************************************************************************/ +static inline int chipcHw_isSoftwareStrapsEnable(void); + +/****************************************************************************/ +/** @brief Enable software strap + */ +/****************************************************************************/ +static inline void chipcHw_softwareStrapsEnable(void); + +/****************************************************************************/ +/** @brief Disable software strap + */ +/****************************************************************************/ +static inline void chipcHw_softwareStrapsDisable(void); + +/****************************************************************************/ +/** @brief PLL test enable + */ +/****************************************************************************/ +static inline void chipcHw_pllTestEnable(void); + +/****************************************************************************/ +/** @brief PLL2 test enable + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestEnable(void); + +/****************************************************************************/ +/** @brief PLL test disable + */ +/****************************************************************************/ +static inline void chipcHw_pllTestDisable(void); + +/****************************************************************************/ +/** @brief PLL2 test disable + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestDisable(void); + +/****************************************************************************/ +/** @brief Get PLL test status + */ +/****************************************************************************/ +static inline int chipcHw_isPllTestEnable(void); + +/****************************************************************************/ +/** @brief Get PLL2 test status + */ +/****************************************************************************/ +static inline int chipcHw_isPll2TestEnable(void); + +/****************************************************************************/ +/** @brief PLL test select + */ +/****************************************************************************/ +static inline void chipcHw_pllTestSelect(uint32_t val); + +/****************************************************************************/ +/** @brief PLL2 test select + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestSelect(uint32_t val); + +/****************************************************************************/ +/** @brief Get PLL test selected option + */ +/****************************************************************************/ +static inline uint8_t chipcHw_getPllTestSelected(void); + +/****************************************************************************/ +/** @brief Get PLL2 test selected option + */ +/****************************************************************************/ +static inline uint8_t chipcHw_getPll2TestSelected(void); + +/****************************************************************************/ +/** +* @brief Enables DDR SW phase alignment interrupt +*/ +/****************************************************************************/ +static inline void chipcHw_ddrPhaseAlignInterruptEnable(void); + +/****************************************************************************/ +/** +* @brief Disables DDR SW phase alignment interrupt +*/ +/****************************************************************************/ +static inline void chipcHw_ddrPhaseAlignInterruptDisable(void); + +/****************************************************************************/ +/** +* @brief Set VPM SW phase alignment interrupt mode +* +* This function sets VPM phase alignment interrupt +* +*/ +/****************************************************************************/ +static inline void +chipcHw_vpmPhaseAlignInterruptMode(chipcHw_VPM_HW_PHASE_INTR_e mode); + +/****************************************************************************/ +/** +* @brief Enable DDR phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrSwPhaseAlignEnable(void); + +/****************************************************************************/ +/** +* @brief Disable DDR phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrSwPhaseAlignDisable(void); + +/****************************************************************************/ +/** +* @brief Enable DDR phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignEnable(void); + +/****************************************************************************/ +/** +* @brief Disable DDR phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignDisable(void); + +/****************************************************************************/ +/** +* @brief Enable VPM phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmSwPhaseAlignEnable(void); + +/****************************************************************************/ +/** +* @brief Disable VPM phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmSwPhaseAlignDisable(void); + +/****************************************************************************/ +/** +* @brief Enable VPM phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignEnable(void); + +/****************************************************************************/ +/** +* @brief Disable VPM phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignDisable(void); + +/****************************************************************************/ +/** +* @brief Set DDR phase alignment margin in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_setDdrHwPhaseAlignMargin(chipcHw_DDR_HW_PHASE_MARGIN_e margin /* Margin alinging DDR phase */ + ); + +/****************************************************************************/ +/** +* @brief Set VPM phase alignment margin in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_setVpmHwPhaseAlignMargin(chipcHw_VPM_HW_PHASE_MARGIN_e margin /* Margin alinging VPM phase */ + ); + +/****************************************************************************/ +/** +* @brief Checks DDR phase aligned status done by HW +* +* @return 1: When aligned +* 0: When not aligned +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_isDdrHwPhaseAligned(void); + +/****************************************************************************/ +/** +* @brief Checks VPM phase aligned status done by HW +* +* @return 1: When aligned +* 0: When not aligned +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_isVpmHwPhaseAligned(void); + +/****************************************************************************/ +/** +* @brief Get DDR phase aligned status done by HW +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getDdrHwPhaseAlignStatus(void); + +/****************************************************************************/ +/** +* @brief Get VPM phase aligned status done by HW +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getVpmHwPhaseAlignStatus(void); + +/****************************************************************************/ +/** +* @brief Get DDR phase control value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getDdrPhaseControl(void); + +/****************************************************************************/ +/** +* @brief Get VPM phase control value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getVpmPhaseControl(void); + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout count +* +* @note If HW fails to perform the phase alignment, it will trigger +* a DDR phase alignment timeout interrupt. +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeout(uint32_t busCycle /* Timeout in bus cycle */ + ); + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout count +* +* @note If HW fails to perform the phase alignment, it will trigger +* a VPM phase alignment timeout interrupt. +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeout(uint32_t busCycle /* Timeout in bus cycle */ + ); + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout interrupt enable +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptEnable(void); + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout interrupt enable +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptEnable(void); + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout interrupt disable +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptDisable(void); + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout interrupt disable +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptDisable(void); + +/****************************************************************************/ +/** +* @brief Clear DDR phase alignment timeout interrupt +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptClear(void); + +/****************************************************************************/ +/** +* @brief Clear VPM phase alignment timeout interrupt +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptClear(void); + +/* ---- Private Constants and Types -------------------------------------- */ + +#endif /* CHIPC_DEF_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/chipcHw_inline.h b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_inline.h new file mode 100644 index 0000000..c78833a --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_inline.h @@ -0,0 +1,1673 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef CHIPC_INLINE_H +#define CHIPC_INLINE_H + +/* ---- Include Files ----------------------------------------------------- */ + +#include <csp/errno.h> +#include <csp/reg.h> +#include <mach/csp/chipcHw_reg.h> +#include <mach/csp/chipcHw_def.h> + +/* ---- Private Constants and Types --------------------------------------- */ +typedef enum { + chipcHw_OPTYPE_BYPASS, /* Bypass operation */ + chipcHw_OPTYPE_OUTPUT /* Output operation */ +} chipcHw_OPTYPE_e; + +/* ---- Public Constants and Types ---------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------- */ +/* ---- Public Function Prototypes ---------------------------------------- */ +/* ---- Private Function Prototypes --------------------------------------- */ +static inline void chipcHw_setClock(chipcHw_CLOCK_e clock, + chipcHw_OPTYPE_e type, int mode); + +/****************************************************************************/ +/** +* @brief Get Numeric Chip ID +* +* This function returns Chip ID that includes the revison number +* +* @return Complete numeric Chip ID +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getChipId(void) +{ + return pChipcHw->ChipId; +} + +/****************************************************************************/ +/** +* @brief Enable Spread Spectrum +* +* @note chipcHw_Init() must be called earlier +*/ +/****************************************************************************/ +static inline void chipcHw_enableSpreadSpectrum(void) +{ + if ((pChipcHw-> + PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != + chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) { + ddrcReg_PHY_ADDR_CTL_REGP->ssCfg = + (0xFFFF << ddrcReg_PHY_ADDR_SS_CFG_NDIV_AMPLITUDE_SHIFT) | + (ddrcReg_PHY_ADDR_SS_CFG_MIN_CYCLE_PER_TICK << + ddrcReg_PHY_ADDR_SS_CFG_CYCLE_PER_TICK_SHIFT); + ddrcReg_PHY_ADDR_CTL_REGP->ssCtl |= + ddrcReg_PHY_ADDR_SS_CTRL_ENABLE; + } +} + +/****************************************************************************/ +/** +* @brief Disable Spread Spectrum +* +*/ +/****************************************************************************/ +static inline void chipcHw_disableSpreadSpectrum(void) +{ + ddrcReg_PHY_ADDR_CTL_REGP->ssCtl &= ~ddrcReg_PHY_ADDR_SS_CTRL_ENABLE; +} + +/****************************************************************************/ +/** +* @brief Get Chip Product ID +* +* This function returns Chip Product ID +* +* @return Chip Product ID +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getChipProductId(void) +{ + return (pChipcHw-> + ChipId & chipcHw_REG_CHIPID_BASE_MASK) >> + chipcHw_REG_CHIPID_BASE_SHIFT; +} + +/****************************************************************************/ +/** +* @brief Get revision number +* +* This function returns revision number of the chip +* +* @return Revision number +*/ +/****************************************************************************/ +static inline chipcHw_REV_NUMBER_e chipcHw_getChipRevisionNumber(void) +{ + return pChipcHw->ChipId & chipcHw_REG_CHIPID_REV_MASK; +} + +/****************************************************************************/ +/** +* @brief Enables bus interface clock +* +* Enables bus interface clock of various device +* +* @return void +* +* @note use chipcHw_REG_BUS_CLOCK_XXXX for mask +*/ +/****************************************************************************/ +static inline void chipcHw_busInterfaceClockEnable(uint32_t mask) +{ + reg32_modify_or(&pChipcHw->BusIntfClock, mask); +} + +/****************************************************************************/ +/** +* @brief Disables bus interface clock +* +* Disables bus interface clock of various device +* +* @return void +* +* @note use chipcHw_REG_BUS_CLOCK_XXXX +*/ +/****************************************************************************/ +static inline void chipcHw_busInterfaceClockDisable(uint32_t mask) +{ + reg32_modify_and(&pChipcHw->BusIntfClock, ~mask); +} + +/****************************************************************************/ +/** +* @brief Get status (enabled/disabled) of bus interface clock +* +* This function returns the status of devices' bus interface clock +* +* @return Bus interface clock +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getBusInterfaceClockStatus(void) +{ + return pChipcHw->BusIntfClock; +} + +/****************************************************************************/ +/** +* @brief Enables various audio channels +* +* Enables audio channel +* +* @return void +* +* @note use chipcHw_REG_AUDIO_CHANNEL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_audioChannelEnable(uint32_t mask) +{ + reg32_modify_or(&pChipcHw->AudioEnable, mask); +} + +/****************************************************************************/ +/** +* @brief Disables various audio channels +* +* Disables audio channel +* +* @return void +* +* @note use chipcHw_REG_AUDIO_CHANNEL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_audioChannelDisable(uint32_t mask) +{ + reg32_modify_and(&pChipcHw->AudioEnable, ~mask); +} + +/****************************************************************************/ +/** +* @brief Soft resets devices +* +* Soft resets various devices +* +* @return void +* +* @note use chipcHw_REG_SOFT_RESET_XXXXXX defines +*/ +/****************************************************************************/ +static inline void chipcHw_softReset(uint64_t mask) +{ + chipcHw_softResetEnable(mask); + chipcHw_softResetDisable(mask); +} + +static inline void chipcHw_softResetDisable(uint64_t mask) +{ + uint32_t ctrl1 = (uint32_t) mask; + uint32_t ctrl2 = (uint32_t) (mask >> 32); + + /* Deassert module soft reset */ + REG_LOCAL_IRQ_SAVE; + pChipcHw->SoftReset1 ^= ctrl1; + pChipcHw->SoftReset2 ^= (ctrl2 & (~chipcHw_REG_SOFT_RESET_UNHOLD_MASK)); + REG_LOCAL_IRQ_RESTORE; +} + +static inline void chipcHw_softResetEnable(uint64_t mask) +{ + uint32_t ctrl1 = (uint32_t) mask; + uint32_t ctrl2 = (uint32_t) (mask >> 32); + uint32_t unhold = 0; + + REG_LOCAL_IRQ_SAVE; + pChipcHw->SoftReset1 |= ctrl1; + /* Mask out unhold request bits */ + pChipcHw->SoftReset2 |= (ctrl2 & (~chipcHw_REG_SOFT_RESET_UNHOLD_MASK)); + + /* Process unhold requests */ + if (ctrl2 & chipcHw_REG_SOFT_RESET_VPM_GLOBAL_UNHOLD) { + unhold = chipcHw_REG_SOFT_RESET_VPM_GLOBAL_HOLD; + } + + if (ctrl2 & chipcHw_REG_SOFT_RESET_VPM_UNHOLD) { + unhold |= chipcHw_REG_SOFT_RESET_VPM_HOLD; + } + + if (ctrl2 & chipcHw_REG_SOFT_RESET_ARM_UNHOLD) { + unhold |= chipcHw_REG_SOFT_RESET_ARM_HOLD; + } + + if (unhold) { + /* Make sure unhold request is effective */ + pChipcHw->SoftReset1 &= ~unhold; + } + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Configures misc CHIP functionality +* +* Configures CHIP functionality +* +* @return void +* +* @note use chipcHw_REG_MISC_CTRL_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_miscControl(uint32_t mask) +{ + reg32_write(&pChipcHw->MiscCtrl, mask); +} + +static inline void chipcHw_miscControlDisable(uint32_t mask) +{ + reg32_modify_and(&pChipcHw->MiscCtrl, ~mask); +} + +static inline void chipcHw_miscControlEnable(uint32_t mask) +{ + reg32_modify_or(&pChipcHw->MiscCtrl, mask); +} + +/****************************************************************************/ +/** +* @brief Set OTP options +* +* Set OTP options +* +* @return void +* +* @note use chipcHw_REG_OTP_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_setOTPOption(uint64_t mask) +{ + uint32_t ctrl1 = (uint32_t) mask; + uint32_t ctrl2 = (uint32_t) (mask >> 32); + + reg32_modify_or(&pChipcHw->SoftOTP1, ctrl1); + reg32_modify_or(&pChipcHw->SoftOTP2, ctrl2); +} + +/****************************************************************************/ +/** +* @brief Get sticky bits +* +* @return Sticky bit options of type chipcHw_REG_STICKY_XXXXXX +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getStickyBits(void) +{ + return pChipcHw->Sticky; +} + +/****************************************************************************/ +/** +* @brief Set sticky bits +* +* @return void +* +* @note use chipcHw_REG_STICKY_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_setStickyBits(uint32_t mask) +{ + uint32_t bits = 0; + + REG_LOCAL_IRQ_SAVE; + if (mask & chipcHw_REG_STICKY_POR_BROM) { + bits |= chipcHw_REG_STICKY_POR_BROM; + } else { + uint32_t sticky; + sticky = pChipcHw->Sticky; + + if ((mask & chipcHw_REG_STICKY_BOOT_DONE) + && (sticky & chipcHw_REG_STICKY_BOOT_DONE) == 0) { + bits |= chipcHw_REG_STICKY_BOOT_DONE; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_1) + && (sticky & chipcHw_REG_STICKY_GENERAL_1) == 0) { + bits |= chipcHw_REG_STICKY_GENERAL_1; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_2) + && (sticky & chipcHw_REG_STICKY_GENERAL_2) == 0) { + bits |= chipcHw_REG_STICKY_GENERAL_2; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_3) + && (sticky & chipcHw_REG_STICKY_GENERAL_3) == 0) { + bits |= chipcHw_REG_STICKY_GENERAL_3; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_4) + && (sticky & chipcHw_REG_STICKY_GENERAL_4) == 0) { + bits |= chipcHw_REG_STICKY_GENERAL_4; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_5) + && (sticky & chipcHw_REG_STICKY_GENERAL_5) == 0) { + bits |= chipcHw_REG_STICKY_GENERAL_5; + } + } + pChipcHw->Sticky = bits; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Clear sticky bits +* +* @return void +* +* @note use chipcHw_REG_STICKY_XXXXXX +*/ +/****************************************************************************/ +static inline void chipcHw_clearStickyBits(uint32_t mask) +{ + uint32_t bits = 0; + + REG_LOCAL_IRQ_SAVE; + if (mask & + (chipcHw_REG_STICKY_BOOT_DONE | chipcHw_REG_STICKY_GENERAL_1 | + chipcHw_REG_STICKY_GENERAL_2 | chipcHw_REG_STICKY_GENERAL_3 | + chipcHw_REG_STICKY_GENERAL_4 | chipcHw_REG_STICKY_GENERAL_5)) { + uint32_t sticky = pChipcHw->Sticky; + + if ((mask & chipcHw_REG_STICKY_BOOT_DONE) + && (sticky & chipcHw_REG_STICKY_BOOT_DONE)) { + bits = chipcHw_REG_STICKY_BOOT_DONE; + mask &= ~chipcHw_REG_STICKY_BOOT_DONE; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_1) + && (sticky & chipcHw_REG_STICKY_GENERAL_1)) { + bits |= chipcHw_REG_STICKY_GENERAL_1; + mask &= ~chipcHw_REG_STICKY_GENERAL_1; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_2) + && (sticky & chipcHw_REG_STICKY_GENERAL_2)) { + bits |= chipcHw_REG_STICKY_GENERAL_2; + mask &= ~chipcHw_REG_STICKY_GENERAL_2; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_3) + && (sticky & chipcHw_REG_STICKY_GENERAL_3)) { + bits |= chipcHw_REG_STICKY_GENERAL_3; + mask &= ~chipcHw_REG_STICKY_GENERAL_3; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_4) + && (sticky & chipcHw_REG_STICKY_GENERAL_4)) { + bits |= chipcHw_REG_STICKY_GENERAL_4; + mask &= ~chipcHw_REG_STICKY_GENERAL_4; + } + if ((mask & chipcHw_REG_STICKY_GENERAL_5) + && (sticky & chipcHw_REG_STICKY_GENERAL_5)) { + bits |= chipcHw_REG_STICKY_GENERAL_5; + mask &= ~chipcHw_REG_STICKY_GENERAL_5; + } + } + pChipcHw->Sticky = bits | mask; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Get software strap value +* +* Retrieves software strap value +* +* @return Software strap value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getSoftStraps(void) +{ + return pChipcHw->SoftStraps; +} + +/****************************************************************************/ +/** +* @brief Set software override strap options +* +* set software override strap options +* +* @return nothing +* +*/ +/****************************************************************************/ +static inline void chipcHw_setSoftStraps(uint32_t strapOptions) +{ + reg32_write(&pChipcHw->SoftStraps, strapOptions); +} + +/****************************************************************************/ +/** +* @brief Get Pin Strap Options +* +* This function returns the raw boot strap options +* +* @return strap options +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getPinStraps(void) +{ + return pChipcHw->PinStraps; +} + +/****************************************************************************/ +/** +* @brief Get Valid Strap Options +* +* This function returns the valid raw boot strap options +* +* @return strap options +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getValidStraps(void) +{ + uint32_t softStraps; + + /* + ** Always return the SoftStraps - bootROM calls chipcHw_initValidStraps + ** which copies HW straps to soft straps if there is no override + */ + softStraps = chipcHw_getSoftStraps(); + + return softStraps; +} + +/****************************************************************************/ +/** +* @brief Initialize valid pin strap options +* +* Retrieves valid pin strap options by copying HW strap options to soft register +* (if chipcHw_STRAPS_SOFT_OVERRIDE not set) +* +* @return nothing +* +*/ +/****************************************************************************/ +static inline void chipcHw_initValidStraps(void) +{ + uint32_t softStraps; + + REG_LOCAL_IRQ_SAVE; + softStraps = chipcHw_getSoftStraps(); + + if ((softStraps & chipcHw_STRAPS_SOFT_OVERRIDE) == 0) { + /* Copy HW straps to software straps */ + chipcHw_setSoftStraps(chipcHw_getPinStraps()); + } + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Get boot device +* +* This function returns the device type used in booting the system +* +* @return Boot device of type chipcHw_BOOT_DEVICE +* +*/ +/****************************************************************************/ +static inline chipcHw_BOOT_DEVICE_e chipcHw_getBootDevice(void) +{ + return chipcHw_getValidStraps() & chipcHw_STRAPS_BOOT_DEVICE_MASK; +} + +/****************************************************************************/ +/** +* @brief Get boot mode +* +* This function returns the way the system was booted +* +* @return Boot mode of type chipcHw_BOOT_MODE +* +*/ +/****************************************************************************/ +static inline chipcHw_BOOT_MODE_e chipcHw_getBootMode(void) +{ + return chipcHw_getValidStraps() & chipcHw_STRAPS_BOOT_MODE_MASK; +} + +/****************************************************************************/ +/** +* @brief Get NAND flash page size +* +* This function returns the NAND device page size +* +* @return Boot NAND device page size +* +*/ +/****************************************************************************/ +static inline chipcHw_NAND_PAGESIZE_e chipcHw_getNandPageSize(void) +{ + return chipcHw_getValidStraps() & chipcHw_STRAPS_NAND_PAGESIZE_MASK; +} + +/****************************************************************************/ +/** +* @brief Get NAND flash address cycle configuration +* +* This function returns the NAND flash address cycle configuration +* +* @return 0 = Do not extra address cycle, 1 = Add extra cycle +* +*/ +/****************************************************************************/ +static inline int chipcHw_getNandExtraCycle(void) +{ + if (chipcHw_getValidStraps() & chipcHw_STRAPS_NAND_EXTRA_CYCLE) { + return 1; + } else { + return 0; + } +} + +/****************************************************************************/ +/** +* @brief Activates PIF interface +* +* This function activates PIF interface by taking control of LCD pins +* +* @note +* When activated, LCD pins will be defined as follows for PIF operation +* +* CLD[17:0] = pif_data[17:0] +* CLD[23:18] = pif_address[5:0] +* CLPOWER = pif_wr_str +* CLCP = pif_rd_str +* CLAC = pif_hat1 +* CLFP = pif_hrdy1 +* CLLP = pif_hat2 +* GPIO[42] = pif_hrdy2 +* +* In PIF mode, "pif_hrdy2" overrides other shared function for GPIO[42] pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_activatePifInterface(void) +{ + reg32_write(&pChipcHw->LcdPifMode, chipcHw_REG_PIF_PIN_ENABLE); +} + +/****************************************************************************/ +/** +* @brief Activates LCD interface +* +* This function activates LCD interface +* +* @note +* When activated, LCD pins will be defined as follows +* +* CLD[17:0] = LCD data +* CLD[23:18] = LCD data +* CLPOWER = LCD power +* CLCP = +* CLAC = LCD ack +* CLFP = +* CLLP = +*/ +/****************************************************************************/ +static inline void chipcHw_activateLcdInterface(void) +{ + reg32_write(&pChipcHw->LcdPifMode, chipcHw_REG_LCD_PIN_ENABLE); +} + +/****************************************************************************/ +/** +* @brief Deactivates PIF/LCD interface +* +* This function deactivates PIF/LCD interface +* +* @note +* When deactivated LCD pins will be in rti-stated +* +*/ +/****************************************************************************/ +static inline void chipcHw_deactivatePifLcdInterface(void) +{ + reg32_write(&pChipcHw->LcdPifMode, 0); +} + +/****************************************************************************/ +/** +* @brief Select GE2 +* +* This function select GE2 as the graphic engine +* +*/ +/****************************************************************************/ +static inline void chipcHw_selectGE2(void) +{ + reg32_modify_and(&pChipcHw->MiscCtrl, ~chipcHw_REG_MISC_CTRL_GE_SEL); +} + +/****************************************************************************/ +/** +* @brief Select GE3 +* +* This function select GE3 as the graphic engine +* +*/ +/****************************************************************************/ +static inline void chipcHw_selectGE3(void) +{ + reg32_modify_or(&pChipcHw->MiscCtrl, chipcHw_REG_MISC_CTRL_GE_SEL); +} + +/****************************************************************************/ +/** +* @brief Get to know the configuration of GPIO pin +* +*/ +/****************************************************************************/ +static inline chipcHw_GPIO_FUNCTION_e chipcHw_getGpioPinFunction(int pin) +{ + return (*((uint32_t *) chipcHw_REG_GPIO_MUX(pin)) & + (chipcHw_REG_GPIO_MUX_MASK << + chipcHw_REG_GPIO_MUX_POSITION(pin))) >> + chipcHw_REG_GPIO_MUX_POSITION(pin); +} + +/****************************************************************************/ +/** +* @brief Configure GPIO pin function +* +*/ +/****************************************************************************/ +static inline void chipcHw_setGpioPinFunction(int pin, + chipcHw_GPIO_FUNCTION_e func) +{ + REG_LOCAL_IRQ_SAVE; + *((uint32_t *) chipcHw_REG_GPIO_MUX(pin)) &= + ~(chipcHw_REG_GPIO_MUX_MASK << chipcHw_REG_GPIO_MUX_POSITION(pin)); + *((uint32_t *) chipcHw_REG_GPIO_MUX(pin)) |= + func << chipcHw_REG_GPIO_MUX_POSITION(pin); + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set Pin slew rate +* +* This function sets the slew of individual pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinSlewRate(uint32_t pin, + chipcHw_PIN_SLEW_RATE_e slewRate) +{ + REG_LOCAL_IRQ_SAVE; + *((uint32_t *) chipcHw_REG_SLEW_RATE(pin)) &= + ~(chipcHw_REG_SLEW_RATE_MASK << + chipcHw_REG_SLEW_RATE_POSITION(pin)); + *((uint32_t *) chipcHw_REG_SLEW_RATE(pin)) |= + (uint32_t) slewRate << chipcHw_REG_SLEW_RATE_POSITION(pin); + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set Pin output drive current +* +* This function sets output drive current of individual pin +* +* Note: Avoid the use of the word 'current' since linux headers define this +* to be the current task. +*/ +/****************************************************************************/ +static inline void chipcHw_setPinOutputCurrent(uint32_t pin, + chipcHw_PIN_CURRENT_STRENGTH_e + curr) +{ + REG_LOCAL_IRQ_SAVE; + *((uint32_t *) chipcHw_REG_CURRENT(pin)) &= + ~(chipcHw_REG_CURRENT_MASK << chipcHw_REG_CURRENT_POSITION(pin)); + *((uint32_t *) chipcHw_REG_CURRENT(pin)) |= + (uint32_t) curr << chipcHw_REG_CURRENT_POSITION(pin); + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set Pin pullup register +* +* This function sets pullup register of individual pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinPullup(uint32_t pin, chipcHw_PIN_PULL_e pullup) +{ + REG_LOCAL_IRQ_SAVE; + *((uint32_t *) chipcHw_REG_PULLUP(pin)) &= + ~(chipcHw_REG_PULLUP_MASK << chipcHw_REG_PULLUP_POSITION(pin)); + *((uint32_t *) chipcHw_REG_PULLUP(pin)) |= + (uint32_t) pullup << chipcHw_REG_PULLUP_POSITION(pin); + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set Pin input type +* +* This function sets input type of individual pin +* +*/ +/****************************************************************************/ +static inline void chipcHw_setPinInputType(uint32_t pin, + chipcHw_PIN_INPUTTYPE_e inputType) +{ + REG_LOCAL_IRQ_SAVE; + *((uint32_t *) chipcHw_REG_INPUTTYPE(pin)) &= + ~(chipcHw_REG_INPUTTYPE_MASK << + chipcHw_REG_INPUTTYPE_POSITION(pin)); + *((uint32_t *) chipcHw_REG_INPUTTYPE(pin)) |= + (uint32_t) inputType << chipcHw_REG_INPUTTYPE_POSITION(pin); + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Power up the USB PHY +* +* This function powers up the USB PHY +* +*/ +/****************************************************************************/ +static inline void chipcHw_powerUpUsbPhy(void) +{ + reg32_modify_and(&pChipcHw->MiscCtrl, + chipcHw_REG_MISC_CTRL_USB_POWERON); +} + +/****************************************************************************/ +/** +* @brief Power down the USB PHY +* +* This function powers down the USB PHY +* +*/ +/****************************************************************************/ +static inline void chipcHw_powerDownUsbPhy(void) +{ + reg32_modify_or(&pChipcHw->MiscCtrl, + chipcHw_REG_MISC_CTRL_USB_POWEROFF); +} + +/****************************************************************************/ +/** +* @brief Set the 2nd USB as host +* +* This function sets the 2nd USB as host +* +*/ +/****************************************************************************/ +static inline void chipcHw_setUsbHost(void) +{ + reg32_modify_or(&pChipcHw->MiscCtrl, + chipcHw_REG_MISC_CTRL_USB_MODE_HOST); +} + +/****************************************************************************/ +/** +* @brief Set the 2nd USB as device +* +* This function sets the 2nd USB as device +* +*/ +/****************************************************************************/ +static inline void chipcHw_setUsbDevice(void) +{ + reg32_modify_and(&pChipcHw->MiscCtrl, + chipcHw_REG_MISC_CTRL_USB_MODE_DEVICE); +} + +/****************************************************************************/ +/** +* @brief Lower layer funtion to enable/disable a clock of a certain device +* +* This function enables/disables a core clock +* +*/ +/****************************************************************************/ +static inline void chipcHw_setClock(chipcHw_CLOCK_e clock, + chipcHw_OPTYPE_e type, int mode) +{ + volatile uint32_t *pPLLReg = (uint32_t *) 0x0; + volatile uint32_t *pClockCtrl = (uint32_t *) 0x0; + + switch (clock) { + case chipcHw_CLOCK_DDR: + pPLLReg = &pChipcHw->DDRClock; + break; + case chipcHw_CLOCK_ARM: + pPLLReg = &pChipcHw->ARMClock; + break; + case chipcHw_CLOCK_ESW: + pPLLReg = &pChipcHw->ESWClock; + break; + case chipcHw_CLOCK_VPM: + pPLLReg = &pChipcHw->VPMClock; + break; + case chipcHw_CLOCK_ESW125: + pPLLReg = &pChipcHw->ESW125Clock; + break; + case chipcHw_CLOCK_UART: + pPLLReg = &pChipcHw->UARTClock; + break; + case chipcHw_CLOCK_SDIO0: + pPLLReg = &pChipcHw->SDIO0Clock; + break; + case chipcHw_CLOCK_SDIO1: + pPLLReg = &pChipcHw->SDIO1Clock; + break; + case chipcHw_CLOCK_SPI: + pPLLReg = &pChipcHw->SPIClock; + break; + case chipcHw_CLOCK_ETM: + pPLLReg = &pChipcHw->ETMClock; + break; + case chipcHw_CLOCK_USB: + pPLLReg = &pChipcHw->USBClock; + if (type == chipcHw_OPTYPE_OUTPUT) { + if (mode) { + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } else { + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } + } + break; + case chipcHw_CLOCK_LCD: + pPLLReg = &pChipcHw->LCDClock; + if (type == chipcHw_OPTYPE_OUTPUT) { + if (mode) { + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } else { + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } + } + break; + case chipcHw_CLOCK_APM: + pPLLReg = &pChipcHw->APMClock; + if (type == chipcHw_OPTYPE_OUTPUT) { + if (mode) { + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } else { + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_POWER_DOWN); + } + } + break; + case chipcHw_CLOCK_BUS: + pClockCtrl = &pChipcHw->ACLKClock; + break; + case chipcHw_CLOCK_OTP: + pClockCtrl = &pChipcHw->OTPClock; + break; + case chipcHw_CLOCK_I2C: + pClockCtrl = &pChipcHw->I2CClock; + break; + case chipcHw_CLOCK_I2S0: + pClockCtrl = &pChipcHw->I2S0Clock; + break; + case chipcHw_CLOCK_RTBUS: + pClockCtrl = &pChipcHw->RTBUSClock; + break; + case chipcHw_CLOCK_APM100: + pClockCtrl = &pChipcHw->APM100Clock; + break; + case chipcHw_CLOCK_TSC: + pClockCtrl = &pChipcHw->TSCClock; + break; + case chipcHw_CLOCK_LED: + pClockCtrl = &pChipcHw->LEDClock; + break; + case chipcHw_CLOCK_I2S1: + pClockCtrl = &pChipcHw->I2S1Clock; + break; + } + + if (pPLLReg) { + switch (type) { + case chipcHw_OPTYPE_OUTPUT: + /* PLL clock output enable/disable */ + if (mode) { + if (clock == chipcHw_CLOCK_DDR) { + /* DDR clock enable is inverted */ + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_OUTPUT_ENABLE); + } else { + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_OUTPUT_ENABLE); + } + } else { + if (clock == chipcHw_CLOCK_DDR) { + /* DDR clock disable is inverted */ + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_OUTPUT_ENABLE); + } else { + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_OUTPUT_ENABLE); + } + } + break; + case chipcHw_OPTYPE_BYPASS: + /* PLL clock bypass enable/disable */ + if (mode) { + reg32_modify_or(pPLLReg, + chipcHw_REG_PLL_CLOCK_BYPASS_SELECT); + } else { + reg32_modify_and(pPLLReg, + ~chipcHw_REG_PLL_CLOCK_BYPASS_SELECT); + } + break; + } + } else if (pClockCtrl) { + switch (type) { + case chipcHw_OPTYPE_OUTPUT: + if (mode) { + reg32_modify_or(pClockCtrl, + chipcHw_REG_DIV_CLOCK_OUTPUT_ENABLE); + } else { + reg32_modify_and(pClockCtrl, + ~chipcHw_REG_DIV_CLOCK_OUTPUT_ENABLE); + } + break; + case chipcHw_OPTYPE_BYPASS: + if (mode) { + reg32_modify_or(pClockCtrl, + chipcHw_REG_DIV_CLOCK_BYPASS_SELECT); + } else { + reg32_modify_and(pClockCtrl, + ~chipcHw_REG_DIV_CLOCK_BYPASS_SELECT); + } + break; + } + } +} + +/****************************************************************************/ +/** +* @brief Disables a core clock of a certain device +* +* This function disables a core clock +* +* @note no change in power consumption +*/ +/****************************************************************************/ +static inline void chipcHw_setClockDisable(chipcHw_CLOCK_e clock) +{ + + /* Disable output of the clock */ + chipcHw_setClock(clock, chipcHw_OPTYPE_OUTPUT, 0); +} + +/****************************************************************************/ +/** +* @brief Enable a core clock of a certain device +* +* This function enables a core clock +* +* @note no change in power consumption +*/ +/****************************************************************************/ +static inline void chipcHw_setClockEnable(chipcHw_CLOCK_e clock) +{ + + /* Enable output of the clock */ + chipcHw_setClock(clock, chipcHw_OPTYPE_OUTPUT, 1); +} + +/****************************************************************************/ +/** +* @brief Enables bypass clock of a certain device +* +* This function enables bypass clock +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_bypassClockEnable(chipcHw_CLOCK_e clock) +{ + /* Enable bypass clock */ + chipcHw_setClock(clock, chipcHw_OPTYPE_BYPASS, 1); +} + +/****************************************************************************/ +/** +* @brief Disabled bypass clock of a certain device +* +* This function disables bypass clock +* +* @note Doesnot affect the bus interface clock +*/ +/****************************************************************************/ +static inline void chipcHw_bypassClockDisable(chipcHw_CLOCK_e clock) +{ + /* Disable bypass clock */ + chipcHw_setClock(clock, chipcHw_OPTYPE_BYPASS, 0); + +} + +/****************************************************************************/ +/** @brief Checks if software strap is enabled + * + * @return 1 : When enable + * 0 : When disable + */ +/****************************************************************************/ +static inline int chipcHw_isSoftwareStrapsEnable(void) +{ + return pChipcHw->SoftStraps & 0x00000001; +} + +/****************************************************************************/ +/** @brief Enable software strap + */ +/****************************************************************************/ +static inline void chipcHw_softwareStrapsEnable(void) +{ + reg32_modify_or(&pChipcHw->SoftStraps, 0x00000001); +} + +/****************************************************************************/ +/** @brief Disable software strap + */ +/****************************************************************************/ +static inline void chipcHw_softwareStrapsDisable(void) +{ + reg32_modify_and(&pChipcHw->SoftStraps, (~0x00000001)); +} + +/****************************************************************************/ +/** @brief PLL test enable + */ +/****************************************************************************/ +static inline void chipcHw_pllTestEnable(void) +{ + reg32_modify_or(&pChipcHw->PLLConfig, + chipcHw_REG_PLL_CONFIG_TEST_ENABLE); +} + +/****************************************************************************/ +/** @brief PLL2 test enable + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestEnable(void) +{ + reg32_modify_or(&pChipcHw->PLLConfig2, + chipcHw_REG_PLL_CONFIG_TEST_ENABLE); +} + +/****************************************************************************/ +/** @brief PLL test disable + */ +/****************************************************************************/ +static inline void chipcHw_pllTestDisable(void) +{ + reg32_modify_and(&pChipcHw->PLLConfig, + ~chipcHw_REG_PLL_CONFIG_TEST_ENABLE); +} + +/****************************************************************************/ +/** @brief PLL2 test disable + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestDisable(void) +{ + reg32_modify_and(&pChipcHw->PLLConfig2, + ~chipcHw_REG_PLL_CONFIG_TEST_ENABLE); +} + +/****************************************************************************/ +/** @brief Get PLL test status + */ +/****************************************************************************/ +static inline int chipcHw_isPllTestEnable(void) +{ + return pChipcHw->PLLConfig & chipcHw_REG_PLL_CONFIG_TEST_ENABLE; +} + +/****************************************************************************/ +/** @brief Get PLL2 test status + */ +/****************************************************************************/ +static inline int chipcHw_isPll2TestEnable(void) +{ + return pChipcHw->PLLConfig2 & chipcHw_REG_PLL_CONFIG_TEST_ENABLE; +} + +/****************************************************************************/ +/** @brief PLL test select + */ +/****************************************************************************/ +static inline void chipcHw_pllTestSelect(uint32_t val) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig &= ~chipcHw_REG_PLL_CONFIG_TEST_SELECT_MASK; + pChipcHw->PLLConfig |= + (val) << chipcHw_REG_PLL_CONFIG_TEST_SELECT_SHIFT; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** @brief PLL2 test select + */ +/****************************************************************************/ +static inline void chipcHw_pll2TestSelect(uint32_t val) +{ + + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig2 &= ~chipcHw_REG_PLL_CONFIG_TEST_SELECT_MASK; + pChipcHw->PLLConfig2 |= + (val) << chipcHw_REG_PLL_CONFIG_TEST_SELECT_SHIFT; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** @brief Get PLL test selected option + */ +/****************************************************************************/ +static inline uint8_t chipcHw_getPllTestSelected(void) +{ + return (uint8_t) ((pChipcHw-> + PLLConfig & chipcHw_REG_PLL_CONFIG_TEST_SELECT_MASK) + >> chipcHw_REG_PLL_CONFIG_TEST_SELECT_SHIFT); +} + +/****************************************************************************/ +/** @brief Get PLL2 test selected option + */ +/****************************************************************************/ +static inline uint8_t chipcHw_getPll2TestSelected(void) +{ + return (uint8_t) ((pChipcHw-> + PLLConfig2 & chipcHw_REG_PLL_CONFIG_TEST_SELECT_MASK) + >> chipcHw_REG_PLL_CONFIG_TEST_SELECT_SHIFT); +} + +/****************************************************************************/ +/** +* @brief Disable the PLL1 +* +*/ +/****************************************************************************/ +static inline void chipcHw_pll1Disable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig |= chipcHw_REG_PLL_CONFIG_POWER_DOWN; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disable the PLL2 +* +*/ +/****************************************************************************/ +static inline void chipcHw_pll2Disable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->PLLConfig2 |= chipcHw_REG_PLL_CONFIG_POWER_DOWN; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Enables DDR SW phase alignment interrupt +*/ +/****************************************************************************/ +static inline void chipcHw_ddrPhaseAlignInterruptEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->Spare1 |= chipcHw_REG_SPARE1_DDR_PHASE_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disables DDR SW phase alignment interrupt +*/ +/****************************************************************************/ +static inline void chipcHw_ddrPhaseAlignInterruptDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_DDR_PHASE_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set VPM SW phase alignment interrupt mode +* +* This function sets VPM phase alignment interrupt +*/ +/****************************************************************************/ +static inline void +chipcHw_vpmPhaseAlignInterruptMode(chipcHw_VPM_HW_PHASE_INTR_e mode) +{ + REG_LOCAL_IRQ_SAVE; + if (mode == chipcHw_VPM_HW_PHASE_INTR_DISABLE) { + pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_PHASE_INTR_ENABLE; + } else { + pChipcHw->Spare1 |= chipcHw_REG_SPARE1_VPM_PHASE_INTR_ENABLE; + } + pChipcHw->VPMPhaseCtrl2 = + (pChipcHw-> + VPMPhaseCtrl2 & ~(chipcHw_REG_VPM_INTR_SELECT_MASK << + chipcHw_REG_VPM_INTR_SELECT_SHIFT)) | mode; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Enable DDR phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrSwPhaseAlignEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl1 |= chipcHw_REG_DDR_SW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disable DDR phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrSwPhaseAlignDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl1 &= ~chipcHw_REG_DDR_SW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Enable DDR phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl1 |= chipcHw_REG_DDR_HW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disable DDR phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl1 &= ~chipcHw_REG_DDR_HW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Enable VPM phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmSwPhaseAlignEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl1 |= chipcHw_REG_VPM_SW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disable VPM phase alignment in software +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmSwPhaseAlignDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl1 &= ~chipcHw_REG_VPM_SW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Enable VPM phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl1 |= chipcHw_REG_VPM_HW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Disable VPM phase alignment in hardware +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl1 &= ~chipcHw_REG_VPM_HW_PHASE_CTRL_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Set DDR phase alignment margin in hardware +* +*/ +/****************************************************************************/ +static inline void +chipcHw_setDdrHwPhaseAlignMargin(chipcHw_DDR_HW_PHASE_MARGIN_e margin) +{ + uint32_t ge = 0; + uint32_t le = 0; + + switch (margin) { + case chipcHw_DDR_HW_PHASE_MARGIN_STRICT: + ge = 0x0F; + le = 0x0F; + break; + case chipcHw_DDR_HW_PHASE_MARGIN_MEDIUM: + ge = 0x03; + le = 0x3F; + break; + case chipcHw_DDR_HW_PHASE_MARGIN_WIDE: + ge = 0x01; + le = 0x7F; + break; + } + + { + REG_LOCAL_IRQ_SAVE; + + pChipcHw->DDRPhaseCtrl1 &= + ~((chipcHw_REG_DDR_PHASE_VALUE_GE_MASK << + chipcHw_REG_DDR_PHASE_VALUE_GE_SHIFT) + || (chipcHw_REG_DDR_PHASE_VALUE_LE_MASK << + chipcHw_REG_DDR_PHASE_VALUE_LE_SHIFT)); + + pChipcHw->DDRPhaseCtrl1 |= + ((ge << chipcHw_REG_DDR_PHASE_VALUE_GE_SHIFT) + || (le << chipcHw_REG_DDR_PHASE_VALUE_LE_SHIFT)); + + REG_LOCAL_IRQ_RESTORE; + } +} + +/****************************************************************************/ +/** +* @brief Set VPM phase alignment margin in hardware +* +*/ +/****************************************************************************/ +static inline void +chipcHw_setVpmHwPhaseAlignMargin(chipcHw_VPM_HW_PHASE_MARGIN_e margin) +{ + uint32_t ge = 0; + uint32_t le = 0; + + switch (margin) { + case chipcHw_VPM_HW_PHASE_MARGIN_STRICT: + ge = 0x0F; + le = 0x0F; + break; + case chipcHw_VPM_HW_PHASE_MARGIN_MEDIUM: + ge = 0x03; + le = 0x3F; + break; + case chipcHw_VPM_HW_PHASE_MARGIN_WIDE: + ge = 0x01; + le = 0x7F; + break; + } + + { + REG_LOCAL_IRQ_SAVE; + + pChipcHw->VPMPhaseCtrl1 &= + ~((chipcHw_REG_VPM_PHASE_VALUE_GE_MASK << + chipcHw_REG_VPM_PHASE_VALUE_GE_SHIFT) + || (chipcHw_REG_VPM_PHASE_VALUE_LE_MASK << + chipcHw_REG_VPM_PHASE_VALUE_LE_SHIFT)); + + pChipcHw->VPMPhaseCtrl1 |= + ((ge << chipcHw_REG_VPM_PHASE_VALUE_GE_SHIFT) + || (le << chipcHw_REG_VPM_PHASE_VALUE_LE_SHIFT)); + + REG_LOCAL_IRQ_RESTORE; + } +} + +/****************************************************************************/ +/** +* @brief Checks DDR phase aligned status done by HW +* +* @return 1: When aligned +* 0: When not aligned +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_isDdrHwPhaseAligned(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_DDR_PHASE_ALIGNED) ? 1 : 0; +} + +/****************************************************************************/ +/** +* @brief Checks VPM phase aligned status done by HW +* +* @return 1: When aligned +* 0: When not aligned +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_isVpmHwPhaseAligned(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_VPM_PHASE_ALIGNED) ? 1 : 0; +} + +/****************************************************************************/ +/** +* @brief Get DDR phase aligned status done by HW +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getDdrHwPhaseAlignStatus(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_DDR_PHASE_STATUS_MASK) >> + chipcHw_REG_DDR_PHASE_STATUS_SHIFT; +} + +/****************************************************************************/ +/** +* @brief Get VPM phase aligned status done by HW +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getVpmHwPhaseAlignStatus(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_VPM_PHASE_STATUS_MASK) >> + chipcHw_REG_VPM_PHASE_STATUS_SHIFT; +} + +/****************************************************************************/ +/** +* @brief Get DDR phase control value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getDdrPhaseControl(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_DDR_PHASE_CTRL_MASK) >> + chipcHw_REG_DDR_PHASE_CTRL_SHIFT; +} + +/****************************************************************************/ +/** +* @brief Get VPM phase control value +* +*/ +/****************************************************************************/ +static inline uint32_t chipcHw_getVpmPhaseControl(void) +{ + return (pChipcHw-> + PhaseAlignStatus & chipcHw_REG_VPM_PHASE_CTRL_MASK) >> + chipcHw_REG_VPM_PHASE_CTRL_SHIFT; +} + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout count +* +* @note If HW fails to perform the phase alignment, it will trigger +* a DDR phase alignment timeout interrupt. +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeout(uint32_t busCycle) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl2 &= + ~(chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_MASK << + chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_SHIFT); + pChipcHw->DDRPhaseCtrl2 |= + (busCycle & chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_MASK) << + chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_SHIFT; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout count +* +* @note If HW fails to perform the phase alignment, it will trigger +* a VPM phase alignment timeout interrupt. +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeout(uint32_t busCycle) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl2 &= + ~(chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_MASK << + chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_SHIFT); + pChipcHw->VPMPhaseCtrl2 |= + (busCycle & chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_MASK) << + chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_SHIFT; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Clear DDR phase alignment timeout interrupt +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptClear(void) +{ + REG_LOCAL_IRQ_SAVE; + /* Clear timeout interrupt service bit */ + pChipcHw->DDRPhaseCtrl2 |= chipcHw_REG_DDR_INTR_SERVICED; + pChipcHw->DDRPhaseCtrl2 &= ~chipcHw_REG_DDR_INTR_SERVICED; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief Clear VPM phase alignment timeout interrupt +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptClear(void) +{ + REG_LOCAL_IRQ_SAVE; + /* Clear timeout interrupt service bit */ + pChipcHw->VPMPhaseCtrl2 |= chipcHw_REG_VPM_INTR_SERVICED; + pChipcHw->VPMPhaseCtrl2 &= ~chipcHw_REG_VPM_INTR_SERVICED; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout interrupt enable +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + chipcHw_ddrHwPhaseAlignTimeoutInterruptClear(); /* Recommended */ + /* Enable timeout interrupt */ + pChipcHw->DDRPhaseCtrl2 |= chipcHw_REG_DDR_TIMEOUT_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout interrupt enable +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptEnable(void) +{ + REG_LOCAL_IRQ_SAVE; + chipcHw_vpmHwPhaseAlignTimeoutInterruptClear(); /* Recommended */ + /* Enable timeout interrupt */ + pChipcHw->VPMPhaseCtrl2 |= chipcHw_REG_VPM_TIMEOUT_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief DDR phase alignment timeout interrupt disable +* +*/ +/****************************************************************************/ +static inline void chipcHw_ddrHwPhaseAlignTimeoutInterruptDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->DDRPhaseCtrl2 &= ~chipcHw_REG_DDR_TIMEOUT_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +/****************************************************************************/ +/** +* @brief VPM phase alignment timeout interrupt disable +* +*/ +/****************************************************************************/ +static inline void chipcHw_vpmHwPhaseAlignTimeoutInterruptDisable(void) +{ + REG_LOCAL_IRQ_SAVE; + pChipcHw->VPMPhaseCtrl2 &= ~chipcHw_REG_VPM_TIMEOUT_INTR_ENABLE; + REG_LOCAL_IRQ_RESTORE; +} + +#endif /* CHIPC_INLINE_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/chipcHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_reg.h new file mode 100644 index 0000000..b162448 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/chipcHw_reg.h @@ -0,0 +1,530 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file chipcHw_reg.h +* +* @brief Definitions for low level chip control registers +* +*/ +/****************************************************************************/ +#ifndef CHIPCHW_REG_H +#define CHIPCHW_REG_H + +#include <mach/csp/mm_io.h> +#include <csp/reg.h> +#include <mach/csp/ddrcReg.h> + +#define chipcHw_BASE_ADDRESS MM_IO_BASE_CHIPC + +typedef struct { + uint32_t ChipId; /* Chip ID */ + uint32_t DDRClock; /* PLL1 Channel 1 for DDR clock */ + uint32_t ARMClock; /* PLL1 Channel 2 for ARM clock */ + uint32_t ESWClock; /* PLL1 Channel 3 for ESW system clock */ + uint32_t VPMClock; /* PLL1 Channel 4 for VPM clock */ + uint32_t ESW125Clock; /* PLL1 Channel 5 for ESW 125MHz clock */ + uint32_t UARTClock; /* PLL1 Channel 6 for UART clock */ + uint32_t SDIO0Clock; /* PLL1 Channel 7 for SDIO 0 clock */ + uint32_t SDIO1Clock; /* PLL1 Channel 8 for SDIO 1 clock */ + uint32_t SPIClock; /* PLL1 Channel 9 for SPI master Clock */ + uint32_t ETMClock; /* PLL1 Channel 10 for ARM ETM Clock */ + + uint32_t ACLKClock; /* ACLK Clock (Divider) */ + uint32_t OTPClock; /* OTP Clock (Divider) */ + uint32_t I2CClock; /* I2C Clock (CK_13m) (Divider) */ + uint32_t I2S0Clock; /* I2S0 Clock (Divider) */ + uint32_t RTBUSClock; /* RTBUS (DDR PHY Config.) Clock (Divider) */ + uint32_t pad1; + uint32_t APM100Clock; /* APM 100MHz CLK Clock (Divider) */ + uint32_t TSCClock; /* TSC Clock (Divider) */ + uint32_t LEDClock; /* LED Clock (Divider) */ + + uint32_t USBClock; /* PLL2 Channel 1 for USB clock */ + uint32_t LCDClock; /* PLL2 Channel 2 for LCD clock */ + uint32_t APMClock; /* PLL2 Channel 3 for APM 200 MHz clock */ + + uint32_t BusIntfClock; /* Bus interface clock */ + + uint32_t PLLStatus; /* PLL status register (PLL1) */ + uint32_t PLLConfig; /* PLL configuration register (PLL1) */ + uint32_t PLLPreDivider; /* PLL pre-divider control register (PLL1) */ + uint32_t PLLDivider; /* PLL divider control register (PLL1) */ + uint32_t PLLControl1; /* PLL analog control register #1 (PLL1) */ + uint32_t PLLControl2; /* PLL analog control register #2 (PLL1) */ + + uint32_t I2S1Clock; /* I2S1 Clock */ + uint32_t AudioEnable; /* Enable/ disable audio channel */ + uint32_t SoftReset1; /* Reset blocks */ + uint32_t SoftReset2; /* Reset blocks */ + uint32_t Spare1; /* Phase align interrupts */ + uint32_t Sticky; /* Sticky bits */ + uint32_t MiscCtrl; /* Misc. control */ + uint32_t pad3[3]; + + uint32_t PLLStatus2; /* PLL status register (PLL2) */ + uint32_t PLLConfig2; /* PLL configuration register (PLL2) */ + uint32_t PLLPreDivider2; /* PLL pre-divider control register (PLL2) */ + uint32_t PLLDivider2; /* PLL divider control register (PLL2) */ + uint32_t PLLControl12; /* PLL analog control register #1 (PLL2) */ + uint32_t PLLControl22; /* PLL analog control register #2 (PLL2) */ + + uint32_t DDRPhaseCtrl1; /* DDR Clock Phase Alignment control1 */ + uint32_t VPMPhaseCtrl1; /* VPM Clock Phase Alignment control1 */ + uint32_t PhaseAlignStatus; /* DDR/VPM Clock Phase Alignment Status */ + uint32_t PhaseCtrlStatus; /* DDR/VPM Clock HW DDR/VPM ph_ctrl and load_ch Status */ + uint32_t DDRPhaseCtrl2; /* DDR Clock Phase Alignment control2 */ + uint32_t VPMPhaseCtrl2; /* VPM Clock Phase Alignment control2 */ + uint32_t pad4[9]; + + uint32_t SoftOTP1; /* Software OTP control */ + uint32_t SoftOTP2; /* Software OTP control */ + uint32_t SoftStraps; /* Software strap */ + uint32_t PinStraps; /* Pin Straps */ + uint32_t DiffOscCtrl; /* Diff oscillator control */ + uint32_t DiagsCtrl; /* Diagnostic control */ + uint32_t DiagsOutputCtrl; /* Diagnostic output enable */ + uint32_t DiagsReadBackCtrl; /* Diagnostic read back control */ + + uint32_t LcdPifMode; /* LCD/PIF Pin Sharing MUX Mode */ + + uint32_t GpioMux_0_7; /* Pin Sharing MUX0 Control */ + uint32_t GpioMux_8_15; /* Pin Sharing MUX1 Control */ + uint32_t GpioMux_16_23; /* Pin Sharing MUX2 Control */ + uint32_t GpioMux_24_31; /* Pin Sharing MUX3 Control */ + uint32_t GpioMux_32_39; /* Pin Sharing MUX4 Control */ + uint32_t GpioMux_40_47; /* Pin Sharing MUX5 Control */ + uint32_t GpioMux_48_55; /* Pin Sharing MUX6 Control */ + uint32_t GpioMux_56_63; /* Pin Sharing MUX7 Control */ + + uint32_t GpioSR_0_7; /* Slew rate for GPIO 0 - 7 */ + uint32_t GpioSR_8_15; /* Slew rate for GPIO 8 - 15 */ + uint32_t GpioSR_16_23; /* Slew rate for GPIO 16 - 23 */ + uint32_t GpioSR_24_31; /* Slew rate for GPIO 24 - 31 */ + uint32_t GpioSR_32_39; /* Slew rate for GPIO 32 - 39 */ + uint32_t GpioSR_40_47; /* Slew rate for GPIO 40 - 47 */ + uint32_t GpioSR_48_55; /* Slew rate for GPIO 48 - 55 */ + uint32_t GpioSR_56_63; /* Slew rate for GPIO 56 - 63 */ + uint32_t MiscSR_0_7; /* Slew rate for MISC 0 - 7 */ + uint32_t MiscSR_8_15; /* Slew rate for MISC 8 - 15 */ + + uint32_t GpioPull_0_15; /* Pull up registers for GPIO 0 - 15 */ + uint32_t GpioPull_16_31; /* Pull up registers for GPIO 16 - 31 */ + uint32_t GpioPull_32_47; /* Pull up registers for GPIO 32 - 47 */ + uint32_t GpioPull_48_63; /* Pull up registers for GPIO 48 - 63 */ + uint32_t MiscPull_0_15; /* Pull up registers for MISC 0 - 15 */ + + uint32_t GpioInput_0_31; /* Input type for GPIO 0 - 31 */ + uint32_t GpioInput_32_63; /* Input type for GPIO 32 - 63 */ + uint32_t MiscInput_0_15; /* Input type for MISC 0 - 16 */ +} chipcHw_REG_t; + +#define pChipcHw ((volatile chipcHw_REG_t *) chipcHw_BASE_ADDRESS) +#define pChipcPhysical ((volatile chipcHw_REG_t *) MM_ADDR_IO_CHIPC) + +#define chipcHw_REG_CHIPID_BASE_MASK 0xFFFFF000 +#define chipcHw_REG_CHIPID_BASE_SHIFT 12 +#define chipcHw_REG_CHIPID_REV_MASK 0x00000FFF +#define chipcHw_REG_REV_A0 0xA00 +#define chipcHw_REG_REV_B0 0x0B0 + +#define chipcHw_REG_PLL_STATUS_CONTROL_ENABLE 0x80000000 /* Allow controlling PLL registers */ +#define chipcHw_REG_PLL_STATUS_LOCKED 0x00000001 /* PLL is settled */ +#define chipcHw_REG_PLL_CONFIG_D_RESET 0x00000008 /* Digital reset */ +#define chipcHw_REG_PLL_CONFIG_A_RESET 0x00000004 /* Analog reset */ +#define chipcHw_REG_PLL_CONFIG_BYPASS_ENABLE 0x00000020 /* Bypass enable */ +#define chipcHw_REG_PLL_CONFIG_OUTPUT_ENABLE 0x00000010 /* Output enable */ +#define chipcHw_REG_PLL_CONFIG_POWER_DOWN 0x00000001 /* Power down */ +#define chipcHw_REG_PLL_CONFIG_VCO_SPLIT_FREQ 1600000000 /* 1.6GHz VCO split frequency */ +#define chipcHw_REG_PLL_CONFIG_VCO_800_1600 0x00000000 /* VCO range 800-1600 MHz */ +#define chipcHw_REG_PLL_CONFIG_VCO_1601_3200 0x00000080 /* VCO range 1601-3200 MHz */ +#define chipcHw_REG_PLL_CONFIG_TEST_ENABLE 0x00010000 /* PLL test output enable */ +#define chipcHw_REG_PLL_CONFIG_TEST_SELECT_MASK 0x003E0000 /* Mask to set test values */ +#define chipcHw_REG_PLL_CONFIG_TEST_SELECT_SHIFT 17 + +#define chipcHw_REG_PLL_CLOCK_PHASE_COMP 0x00800000 /* Phase comparator output */ +#define chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK 0x00300000 /* Clock to bus ratio mask */ +#define chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT 20 /* Number of bits to be shifted */ +#define chipcHw_REG_PLL_CLOCK_POWER_DOWN 0x00080000 /* PLL channel power down */ +#define chipcHw_REG_PLL_CLOCK_SOURCE_GPIO 0x00040000 /* Use GPIO as source */ +#define chipcHw_REG_PLL_CLOCK_BYPASS_SELECT 0x00020000 /* Select bypass clock */ +#define chipcHw_REG_PLL_CLOCK_OUTPUT_ENABLE 0x00010000 /* Clock gated ON */ +#define chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE 0x00008000 /* Clock phase update enable */ +#define chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT 8 /* Number of bits to be shifted */ +#define chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK 0x00003F00 /* Phase control mask */ +#define chipcHw_REG_PLL_CLOCK_MDIV_MASK 0x000000FF /* Clock post divider mask + + 00000000 = divide-by-256 + 00000001 = divide-by-1 + 00000010 = divide-by-2 + 00000011 = divide-by-3 + 00000100 = divide-by-4 + 00000101 = divide-by-5 + 00000110 = divide-by-6 + . + . + 11111011 = divide-by-251 + 11111100 = divide-by-252 + 11111101 = divide-by-253 + 11111110 = divide-by-254 + */ + +#define chipcHw_REG_DIV_CLOCK_SOURCE_OTHER 0x00040000 /* NON-PLL clock source select */ +#define chipcHw_REG_DIV_CLOCK_BYPASS_SELECT 0x00020000 /* NON-PLL clock bypass enable */ +#define chipcHw_REG_DIV_CLOCK_OUTPUT_ENABLE 0x00010000 /* NON-PLL clock output enable */ +#define chipcHw_REG_DIV_CLOCK_DIV_MASK 0x000000FF /* NON-PLL clock post-divide mask */ +#define chipcHw_REG_DIV_CLOCK_DIV_256 0x00000000 /* NON-PLL clock post-divide by 256 */ + +#define chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT 0 +#define chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT 4 +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT 8 +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK 0x0001FF00 +#define chipcHw_REG_PLL_PREDIVIDER_POWER_DOWN 0x02000000 +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK 0x00700000 /* Divider mask */ +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER 0x00000000 /* Integer-N Mode */ +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASH_UNIT 0x00100000 /* MASH Sigma-Delta Modulator Unit Mode */ +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MFB_UNIT 0x00200000 /* MFB Sigma-Delta Modulator Unit Mode */ +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASH_1_8 0x00300000 /* MASH Sigma-Delta Modulator 1/8 Mode */ +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MFB_1_8 0x00400000 /* MFB Sigma-Delta Modulator 1/8 Mode */ + +#define chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vco) ((vco) / chipcHw_XTAL_FREQ_Hz) +#define chipcHw_REG_PLL_PREDIVIDER_P1 1 +#define chipcHw_REG_PLL_PREDIVIDER_P2 1 + +#define chipcHw_REG_PLL_DIVIDER_M1DIV 0x03000000 +#define chipcHw_REG_PLL_DIVIDER_FRAC 0x00FFFFFF /* Fractional divider */ + +#define chipcHw_REG_PLL_DIVIDER_NDIV_f_SS (0x00FFFFFF) /* To attain spread with max frequency */ + +#define chipcHw_REG_PLL_DIVIDER_NDIV_f 0 /* ndiv_frac = chipcHw_REG_PLL_DIVIDER_NDIV_f / + chipcHw_REG_PLL_DIVIDER_FRAC + = 0, when SS is disable + */ + +#define chipcHw_REG_PLL_DIVIDER_MDIV(vco, Hz) ((chipcHw_divide((vco), (Hz)) > 255) ? 0 : chipcHw_divide((vco), (Hz))) + +#define chipcHw_REG_ACLKClock_CLK_DIV_MASK 0x3 + +/* System booting strap options */ +#define chipcHw_STRAPS_SOFT_OVERRIDE 0x00000001 /* Software Strap Override */ + +#define chipcHw_STRAPS_BOOT_DEVICE_NAND_FLASH_8 0x00000000 /* 8 bit NAND FLASH Boot */ +#define chipcHw_STRAPS_BOOT_DEVICE_NOR_FLASH_16 0x00000002 /* 16 bit NOR FLASH Boot */ +#define chipcHw_STRAPS_BOOT_DEVICE_SERIAL_FLASH 0x00000004 /* Serial FLASH Boot */ +#define chipcHw_STRAPS_BOOT_DEVICE_NAND_FLASH_16 0x00000006 /* 16 bit NAND FLASH Boot */ +#define chipcHw_STRAPS_BOOT_DEVICE_UART 0x00000008 /* UART Boot */ +#define chipcHw_STRAPS_BOOT_DEVICE_MASK 0x0000000E /* Mask */ + +/* System boot option */ +#define chipcHw_STRAPS_BOOT_OPTION_BROM 0x00000000 /* Boot from Boot ROM */ +#define chipcHw_STRAPS_BOOT_OPTION_ARAM 0x00000020 /* Boot from ARAM */ +#define chipcHw_STRAPS_BOOT_OPTION_NOR 0x00000030 /* Boot from NOR flash */ + +/* NAND Flash page size strap options */ +#define chipcHw_STRAPS_NAND_PAGESIZE_512 0x00000000 /* NAND FLASH page size of 512 bytes */ +#define chipcHw_STRAPS_NAND_PAGESIZE_2048 0x00000040 /* NAND FLASH page size of 2048 bytes */ +#define chipcHw_STRAPS_NAND_PAGESIZE_4096 0x00000080 /* NAND FLASH page size of 4096 bytes */ +#define chipcHw_STRAPS_NAND_PAGESIZE_EXT 0x000000C0 /* NAND FLASH page of extened size */ +#define chipcHw_STRAPS_NAND_PAGESIZE_MASK 0x000000C0 /* Mask */ + +#define chipcHw_STRAPS_NAND_EXTRA_CYCLE 0x00000400 /* NAND FLASH address cycle configuration */ +#define chipcHw_STRAPS_REBOOT_TO_UART 0x00000800 /* Reboot to UART on error */ + +/* Secure boot mode strap options */ +#define chipcHw_STRAPS_BOOT_MODE_NORMAL 0x00000000 /* Normal Boot */ +#define chipcHw_STRAPS_BOOT_MODE_DBG_SW 0x00000100 /* Software debugging Boot */ +#define chipcHw_STRAPS_BOOT_MODE_DBG_BOOT 0x00000200 /* Boot rom debugging Boot */ +#define chipcHw_STRAPS_BOOT_MODE_NORMAL_QUIET 0x00000300 /* Normal Boot (Quiet BootRom) */ +#define chipcHw_STRAPS_BOOT_MODE_MASK 0x00000300 /* Mask */ + +/* Slave Mode straps */ +#define chipcHw_STRAPS_I2CS 0x02000000 /* I2C Slave */ +#define chipcHw_STRAPS_SPIS 0x01000000 /* SPI Slave */ + +/* Strap pin options */ +#define chipcHw_REG_SW_STRAPS ((pChipcHw->PinStraps & 0x0000FC00) >> 10) + +/* PIF/LCD pin sharing defines */ +#define chipcHw_REG_LCD_PIN_ENABLE 0x00000001 /* LCD Controller is used and the pins have LCD functions */ +#define chipcHw_REG_PIF_PIN_ENABLE 0x00000002 /* LCD pins are used to perform PIF functions */ + +#define chipcHw_GPIO_COUNT 61 /* Number of GPIO pin accessible thorugh CHIPC */ + +/* NOTE: Any changes to these constants will require a corresponding change to chipcHw_str.c */ +#define chipcHw_REG_GPIO_MUX_KEYPAD 0x00000001 /* GPIO mux for Keypad */ +#define chipcHw_REG_GPIO_MUX_I2CH 0x00000002 /* GPIO mux for I2CH */ +#define chipcHw_REG_GPIO_MUX_SPI 0x00000003 /* GPIO mux for SPI */ +#define chipcHw_REG_GPIO_MUX_UART 0x00000004 /* GPIO mux for UART */ +#define chipcHw_REG_GPIO_MUX_LEDMTXP 0x00000005 /* GPIO mux for LEDMTXP */ +#define chipcHw_REG_GPIO_MUX_LEDMTXS 0x00000006 /* GPIO mux for LEDMTXS */ +#define chipcHw_REG_GPIO_MUX_SDIO0 0x00000007 /* GPIO mux for SDIO0 */ +#define chipcHw_REG_GPIO_MUX_SDIO1 0x00000008 /* GPIO mux for SDIO1 */ +#define chipcHw_REG_GPIO_MUX_PCM 0x00000009 /* GPIO mux for PCM */ +#define chipcHw_REG_GPIO_MUX_I2S 0x0000000A /* GPIO mux for I2S */ +#define chipcHw_REG_GPIO_MUX_ETM 0x0000000B /* GPIO mux for ETM */ +#define chipcHw_REG_GPIO_MUX_DEBUG 0x0000000C /* GPIO mux for DEBUG */ +#define chipcHw_REG_GPIO_MUX_MISC 0x0000000D /* GPIO mux for MISC */ +#define chipcHw_REG_GPIO_MUX_GPIO 0x00000000 /* GPIO mux for GPIO */ +#define chipcHw_REG_GPIO_MUX(pin) (&pChipcHw->GpioMux_0_7 + ((pin) >> 3)) +#define chipcHw_REG_GPIO_MUX_POSITION(pin) (((pin) & 0x00000007) << 2) +#define chipcHw_REG_GPIO_MUX_MASK 0x0000000F /* Mask */ + +#define chipcHw_REG_SLEW_RATE_HIGH 0x00000000 /* High speed slew rate */ +#define chipcHw_REG_SLEW_RATE_NORMAL 0x00000008 /* Normal slew rate */ + /* Pins beyond 42 are defined by skipping 8 bits within the register */ +#define chipcHw_REG_SLEW_RATE(pin) (((pin) > 42) ? (&pChipcHw->GpioSR_0_7 + (((pin) + 2) >> 3)) : (&pChipcHw->GpioSR_0_7 + ((pin) >> 3))) +#define chipcHw_REG_SLEW_RATE_POSITION(pin) (((pin) > 42) ? ((((pin) + 2) & 0x00000007) << 2) : (((pin) & 0x00000007) << 2)) +#define chipcHw_REG_SLEW_RATE_MASK 0x00000008 /* Mask */ + +#define chipcHw_REG_CURRENT_STRENGTH_2mA 0x00000001 /* Current driving strength 2 milli ampere */ +#define chipcHw_REG_CURRENT_STRENGTH_4mA 0x00000002 /* Current driving strength 4 milli ampere */ +#define chipcHw_REG_CURRENT_STRENGTH_6mA 0x00000004 /* Current driving strength 6 milli ampere */ +#define chipcHw_REG_CURRENT_STRENGTH_8mA 0x00000005 /* Current driving strength 8 milli ampere */ +#define chipcHw_REG_CURRENT_STRENGTH_10mA 0x00000006 /* Current driving strength 10 milli ampere */ +#define chipcHw_REG_CURRENT_STRENGTH_12mA 0x00000007 /* Current driving strength 12 milli ampere */ +#define chipcHw_REG_CURRENT_MASK 0x00000007 /* Mask */ + /* Pins beyond 42 are defined by skipping 8 bits */ +#define chipcHw_REG_CURRENT(pin) (((pin) > 42) ? (&pChipcHw->GpioSR_0_7 + (((pin) + 2) >> 3)) : (&pChipcHw->GpioSR_0_7 + ((pin) >> 3))) +#define chipcHw_REG_CURRENT_POSITION(pin) (((pin) > 42) ? ((((pin) + 2) & 0x00000007) << 2) : (((pin) & 0x00000007) << 2)) + +#define chipcHw_REG_PULL_NONE 0x00000000 /* No pull up register */ +#define chipcHw_REG_PULL_UP 0x00000001 /* Pull up register enable */ +#define chipcHw_REG_PULL_DOWN 0x00000002 /* Pull down register enable */ +#define chipcHw_REG_PULLUP_MASK 0x00000003 /* Mask */ + /* Pins beyond 42 are defined by skipping 4 bits */ +#define chipcHw_REG_PULLUP(pin) (((pin) > 42) ? (&pChipcHw->GpioPull_0_15 + (((pin) + 2) >> 4)) : (&pChipcHw->GpioPull_0_15 + ((pin) >> 4))) +#define chipcHw_REG_PULLUP_POSITION(pin) (((pin) > 42) ? ((((pin) + 2) & 0x0000000F) << 1) : (((pin) & 0x0000000F) << 1)) + +#define chipcHw_REG_INPUTTYPE_CMOS 0x00000000 /* Normal CMOS logic */ +#define chipcHw_REG_INPUTTYPE_ST 0x00000001 /* High speed Schmitt Trigger */ +#define chipcHw_REG_INPUTTYPE_MASK 0x00000001 /* Mask */ + /* Pins beyond 42 are defined by skipping 2 bits */ +#define chipcHw_REG_INPUTTYPE(pin) (((pin) > 42) ? (&pChipcHw->GpioInput_0_31 + (((pin) + 2) >> 5)) : (&pChipcHw->GpioInput_0_31 + ((pin) >> 5))) +#define chipcHw_REG_INPUTTYPE_POSITION(pin) (((pin) > 42) ? ((((pin) + 2) & 0x0000001F)) : (((pin) & 0x0000001F))) + +/* Device connected to the bus clock */ +#define chipcHw_REG_BUS_CLOCK_ARM 0x00000001 /* Bus interface clock for ARM */ +#define chipcHw_REG_BUS_CLOCK_VDEC 0x00000002 /* Bus interface clock for VDEC */ +#define chipcHw_REG_BUS_CLOCK_ARAM 0x00000004 /* Bus interface clock for ARAM */ +#define chipcHw_REG_BUS_CLOCK_HPM 0x00000008 /* Bus interface clock for HPM */ +#define chipcHw_REG_BUS_CLOCK_DDRC 0x00000010 /* Bus interface clock for DDRC */ +#define chipcHw_REG_BUS_CLOCK_DMAC0 0x00000020 /* Bus interface clock for DMAC0 */ +#define chipcHw_REG_BUS_CLOCK_DMAC1 0x00000040 /* Bus interface clock for DMAC1 */ +#define chipcHw_REG_BUS_CLOCK_NVI 0x00000080 /* Bus interface clock for NVI */ +#define chipcHw_REG_BUS_CLOCK_ESW 0x00000100 /* Bus interface clock for ESW */ +#define chipcHw_REG_BUS_CLOCK_GE 0x00000200 /* Bus interface clock for GE */ +#define chipcHw_REG_BUS_CLOCK_I2CH 0x00000400 /* Bus interface clock for I2CH */ +#define chipcHw_REG_BUS_CLOCK_I2S0 0x00000800 /* Bus interface clock for I2S0 */ +#define chipcHw_REG_BUS_CLOCK_I2S1 0x00001000 /* Bus interface clock for I2S1 */ +#define chipcHw_REG_BUS_CLOCK_VRAM 0x00002000 /* Bus interface clock for VRAM */ +#define chipcHw_REG_BUS_CLOCK_CLCD 0x00004000 /* Bus interface clock for CLCD */ +#define chipcHw_REG_BUS_CLOCK_LDK 0x00008000 /* Bus interface clock for LDK */ +#define chipcHw_REG_BUS_CLOCK_LED 0x00010000 /* Bus interface clock for LED */ +#define chipcHw_REG_BUS_CLOCK_OTP 0x00020000 /* Bus interface clock for OTP */ +#define chipcHw_REG_BUS_CLOCK_PIF 0x00040000 /* Bus interface clock for PIF */ +#define chipcHw_REG_BUS_CLOCK_SPU 0x00080000 /* Bus interface clock for SPU */ +#define chipcHw_REG_BUS_CLOCK_SDIO0 0x00100000 /* Bus interface clock for SDIO0 */ +#define chipcHw_REG_BUS_CLOCK_SDIO1 0x00200000 /* Bus interface clock for SDIO1 */ +#define chipcHw_REG_BUS_CLOCK_SPIH 0x00400000 /* Bus interface clock for SPIH */ +#define chipcHw_REG_BUS_CLOCK_SPIS 0x00800000 /* Bus interface clock for SPIS */ +#define chipcHw_REG_BUS_CLOCK_UART0 0x01000000 /* Bus interface clock for UART0 */ +#define chipcHw_REG_BUS_CLOCK_UART1 0x02000000 /* Bus interface clock for UART1 */ +#define chipcHw_REG_BUS_CLOCK_BBL 0x04000000 /* Bus interface clock for BBL */ +#define chipcHw_REG_BUS_CLOCK_I2CS 0x08000000 /* Bus interface clock for I2CS */ +#define chipcHw_REG_BUS_CLOCK_USBH 0x10000000 /* Bus interface clock for USB Host */ +#define chipcHw_REG_BUS_CLOCK_USBD 0x20000000 /* Bus interface clock for USB Device */ +#define chipcHw_REG_BUS_CLOCK_BROM 0x40000000 /* Bus interface clock for Boot ROM */ +#define chipcHw_REG_BUS_CLOCK_TSC 0x80000000 /* Bus interface clock for Touch screen */ + +/* Software resets defines */ +#define chipcHw_REG_SOFT_RESET_VPM_GLOBAL_HOLD 0x0000000080000000ULL /* Reset Global VPM and hold */ +#define chipcHw_REG_SOFT_RESET_VPM_HOLD 0x0000000040000000ULL /* Reset VPM and hold */ +#define chipcHw_REG_SOFT_RESET_VPM_GLOBAL 0x0000000020000000ULL /* Reset Global VPM */ +#define chipcHw_REG_SOFT_RESET_VPM 0x0000000010000000ULL /* Reset VPM */ +#define chipcHw_REG_SOFT_RESET_KEYPAD 0x0000000008000000ULL /* Reset Key pad */ +#define chipcHw_REG_SOFT_RESET_LED 0x0000000004000000ULL /* Reset LED */ +#define chipcHw_REG_SOFT_RESET_SPU 0x0000000002000000ULL /* Reset SPU */ +#define chipcHw_REG_SOFT_RESET_RNG 0x0000000001000000ULL /* Reset RNG */ +#define chipcHw_REG_SOFT_RESET_PKA 0x0000000000800000ULL /* Reset PKA */ +#define chipcHw_REG_SOFT_RESET_LCD 0x0000000000400000ULL /* Reset LCD */ +#define chipcHw_REG_SOFT_RESET_PIF 0x0000000000200000ULL /* Reset PIF */ +#define chipcHw_REG_SOFT_RESET_I2CS 0x0000000000100000ULL /* Reset I2C Slave */ +#define chipcHw_REG_SOFT_RESET_I2CH 0x0000000000080000ULL /* Reset I2C Host */ +#define chipcHw_REG_SOFT_RESET_SDIO1 0x0000000000040000ULL /* Reset SDIO 1 */ +#define chipcHw_REG_SOFT_RESET_SDIO0 0x0000000000020000ULL /* Reset SDIO 0 */ +#define chipcHw_REG_SOFT_RESET_BBL 0x0000000000010000ULL /* Reset BBL */ +#define chipcHw_REG_SOFT_RESET_I2S1 0x0000000000008000ULL /* Reset I2S1 */ +#define chipcHw_REG_SOFT_RESET_I2S0 0x0000000000004000ULL /* Reset I2S0 */ +#define chipcHw_REG_SOFT_RESET_SPIS 0x0000000000002000ULL /* Reset SPI Slave */ +#define chipcHw_REG_SOFT_RESET_SPIH 0x0000000000001000ULL /* Reset SPI Host */ +#define chipcHw_REG_SOFT_RESET_GPIO1 0x0000000000000800ULL /* Reset GPIO block 1 */ +#define chipcHw_REG_SOFT_RESET_GPIO0 0x0000000000000400ULL /* Reset GPIO block 0 */ +#define chipcHw_REG_SOFT_RESET_UART1 0x0000000000000200ULL /* Reset UART 1 */ +#define chipcHw_REG_SOFT_RESET_UART0 0x0000000000000100ULL /* Reset UART 0 */ +#define chipcHw_REG_SOFT_RESET_NVI 0x0000000000000080ULL /* Reset NVI */ +#define chipcHw_REG_SOFT_RESET_WDOG 0x0000000000000040ULL /* Reset Watch dog */ +#define chipcHw_REG_SOFT_RESET_TMR 0x0000000000000020ULL /* Reset Timer */ +#define chipcHw_REG_SOFT_RESET_ETM 0x0000000000000010ULL /* Reset ETM */ +#define chipcHw_REG_SOFT_RESET_ARM_HOLD 0x0000000000000008ULL /* Reset ARM and HOLD */ +#define chipcHw_REG_SOFT_RESET_ARM 0x0000000000000004ULL /* Reset ARM */ +#define chipcHw_REG_SOFT_RESET_CHIP_WARM 0x0000000000000002ULL /* Chip warm reset */ +#define chipcHw_REG_SOFT_RESET_CHIP_SOFT 0x0000000000000001ULL /* Chip soft reset */ +#define chipcHw_REG_SOFT_RESET_VDEC 0x0000100000000000ULL /* Video decoder */ +#define chipcHw_REG_SOFT_RESET_GE 0x0000080000000000ULL /* Graphics engine */ +#define chipcHw_REG_SOFT_RESET_OTP 0x0000040000000000ULL /* Reset OTP */ +#define chipcHw_REG_SOFT_RESET_USB2 0x0000020000000000ULL /* Reset USB2 */ +#define chipcHw_REG_SOFT_RESET_USB1 0x0000010000000000ULL /* Reset USB 1 */ +#define chipcHw_REG_SOFT_RESET_USB 0x0000008000000000ULL /* Reset USB 1 and USB2 soft reset */ +#define chipcHw_REG_SOFT_RESET_ESW 0x0000004000000000ULL /* Reset Ethernet switch */ +#define chipcHw_REG_SOFT_RESET_ESWCLK 0x0000002000000000ULL /* Reset Ethernet switch clock */ +#define chipcHw_REG_SOFT_RESET_DDRPHY 0x0000001000000000ULL /* Reset DDR Physical */ +#define chipcHw_REG_SOFT_RESET_DDR 0x0000000800000000ULL /* Reset DDR Controller */ +#define chipcHw_REG_SOFT_RESET_TSC 0x0000000400000000ULL /* Reset Touch screen */ +#define chipcHw_REG_SOFT_RESET_PCM 0x0000000200000000ULL /* Reset PCM device */ +#define chipcHw_REG_SOFT_RESET_APM 0x0000200100000000ULL /* Reset APM device */ + +#define chipcHw_REG_SOFT_RESET_VPM_GLOBAL_UNHOLD 0x8000000000000000ULL /* Unhold Global VPM */ +#define chipcHw_REG_SOFT_RESET_VPM_UNHOLD 0x4000000000000000ULL /* Unhold VPM */ +#define chipcHw_REG_SOFT_RESET_ARM_UNHOLD 0x2000000000000000ULL /* Unhold ARM reset */ +#define chipcHw_REG_SOFT_RESET_UNHOLD_MASK 0xF000000000000000ULL /* Mask to handle unhold request */ + +/* Audio channel control defines */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_ALL 0x00000001 /* Enable all audio channel */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_A 0x00000002 /* Enable channel A */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_B 0x00000004 /* Enable channel B */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_C 0x00000008 /* Enable channel C */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_NTP_CLOCK 0x00000010 /* Enable NTP clock */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_PCM0_CLOCK 0x00000020 /* Enable PCM0 clock */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_PCM1_CLOCK 0x00000040 /* Enable PCM1 clock */ +#define chipcHw_REG_AUDIO_CHANNEL_ENABLE_APM_CLOCK 0x00000080 /* Enable APM clock */ + +/* Misc. chip control defines */ +#define chipcHw_REG_MISC_CTRL_GE_SEL 0x00040000 /* Select GE2/GE3 */ +#define chipcHw_REG_MISC_CTRL_I2S1_CLOCK_ONCHIP 0x00000000 /* Use on chip clock for I2S1 */ +#define chipcHw_REG_MISC_CTRL_I2S1_CLOCK_GPIO 0x00020000 /* Use external clock via GPIO pin 26 for I2S1 */ +#define chipcHw_REG_MISC_CTRL_I2S0_CLOCK_ONCHIP 0x00000000 /* Use on chip clock for I2S0 */ +#define chipcHw_REG_MISC_CTRL_I2S0_CLOCK_GPIO 0x00010000 /* Use external clock via GPIO pin 45 for I2S0 */ +#define chipcHw_REG_MISC_CTRL_ARM_CP15_DISABLE 0x00008000 /* Disable ARM CP15 bit */ +#define chipcHw_REG_MISC_CTRL_RTC_DISABLE 0x00000008 /* Disable RTC registers */ +#define chipcHw_REG_MISC_CTRL_BBRAM_DISABLE 0x00000004 /* Disable Battery Backed RAM */ +#define chipcHw_REG_MISC_CTRL_USB_MODE_HOST 0x00000002 /* Set USB as host */ +#define chipcHw_REG_MISC_CTRL_USB_MODE_DEVICE 0xFFFFFFFD /* Set USB as device */ +#define chipcHw_REG_MISC_CTRL_USB_POWERON 0xFFFFFFFE /* Power up USB */ +#define chipcHw_REG_MISC_CTRL_USB_POWEROFF 0x00000001 /* Power down USB */ + +/* OTP configuration defines */ +#define chipcHw_REG_OTP_SECURITY_OFF 0x0000020000000000ULL /* Security support is OFF */ +#define chipcHw_REG_OTP_SPU_SLOW 0x0000010000000000ULL /* Limited SPU throughput */ +#define chipcHw_REG_OTP_LCD_SPEED 0x0000000600000000ULL /* Set VPM speed one */ +#define chipcHw_REG_OTP_VPM_SPEED_1 0x0000000100000000ULL /* Set VPM speed one */ +#define chipcHw_REG_OTP_VPM_SPEED_0 0x0000000080000000ULL /* Set VPM speed zero */ +#define chipcHw_REG_OTP_AXI_SPEED 0x0000000060000000ULL /* Set maximum AXI bus speed */ +#define chipcHw_REG_OTP_APM_DISABLE 0x000000001F000000ULL /* Disable APM */ +#define chipcHw_REG_OTP_PIF_DISABLE 0x0000000000200000ULL /* Disable PIF */ +#define chipcHw_REG_OTP_VDEC_DISABLE 0x0000000000100000ULL /* Disable Video decoder */ +#define chipcHw_REG_OTP_BBL_DISABLE 0x0000000000080000ULL /* Disable RTC and BBRAM */ +#define chipcHw_REG_OTP_LED_DISABLE 0x0000000000040000ULL /* Disable LED */ +#define chipcHw_REG_OTP_GE_DISABLE 0x0000000000020000ULL /* Disable Graphics Engine */ +#define chipcHw_REG_OTP_LCD_DISABLE 0x0000000000010000ULL /* Disable LCD */ +#define chipcHw_REG_OTP_KEYPAD_DISABLE 0x0000000000008000ULL /* Disable keypad */ +#define chipcHw_REG_OTP_UART_DISABLE 0x0000000000004000ULL /* Disable UART */ +#define chipcHw_REG_OTP_SDIOH_DISABLE 0x0000000000003000ULL /* Disable SDIO host */ +#define chipcHw_REG_OTP_HSS_DISABLE 0x0000000000000C00ULL /* Disable HSS */ +#define chipcHw_REG_OTP_TSC_DISABLE 0x0000000000000200ULL /* Disable touch screen */ +#define chipcHw_REG_OTP_USB_DISABLE 0x0000000000000180ULL /* Disable USB */ +#define chipcHw_REG_OTP_SGMII_DISABLE 0x0000000000000060ULL /* Disable SGMII */ +#define chipcHw_REG_OTP_ETH_DISABLE 0x0000000000000018ULL /* Disable gigabit ethernet */ +#define chipcHw_REG_OTP_ETH_PHY_DISABLE 0x0000000000000006ULL /* Disable ethernet PHY */ +#define chipcHw_REG_OTP_VPM_DISABLE 0x0000000000000001ULL /* Disable VPM */ + +/* Sticky bit defines */ +#define chipcHw_REG_STICKY_BOOT_DONE 0x00000001 /* Boot done */ +#define chipcHw_REG_STICKY_SOFT_RESET 0x00000002 /* ARM soft reset */ +#define chipcHw_REG_STICKY_GENERAL_1 0x00000004 /* General purpose bit 1 */ +#define chipcHw_REG_STICKY_GENERAL_2 0x00000008 /* General purpose bit 2 */ +#define chipcHw_REG_STICKY_GENERAL_3 0x00000010 /* General purpose bit 3 */ +#define chipcHw_REG_STICKY_GENERAL_4 0x00000020 /* General purpose bit 4 */ +#define chipcHw_REG_STICKY_GENERAL_5 0x00000040 /* General purpose bit 5 */ +#define chipcHw_REG_STICKY_POR_BROM 0x00000080 /* Special sticky bit for security - set in BROM to avoid other modes being entered */ +#define chipcHw_REG_STICKY_ARM_RESET 0x00000100 /* ARM reset */ +#define chipcHw_REG_STICKY_CHIP_SOFT_RESET 0x00000200 /* Chip soft reset */ +#define chipcHw_REG_STICKY_CHIP_WARM_RESET 0x00000400 /* Chip warm reset */ +#define chipcHw_REG_STICKY_WDOG_RESET 0x00000800 /* Watchdog reset */ +#define chipcHw_REG_STICKY_OTP_RESET 0x00001000 /* OTP reset */ + + /* HW phase alignment defines *//* Spare1 register definitions */ +#define chipcHw_REG_SPARE1_DDR_PHASE_INTR_ENABLE 0x80000000 /* Enable DDR phase align panic interrupt */ +#define chipcHw_REG_SPARE1_VPM_PHASE_INTR_ENABLE 0x40000000 /* Enable VPM phase align panic interrupt */ +#define chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE 0x00000002 /* Enable access to VPM using system BUS */ +#define chipcHw_REG_SPARE1_DDR_BUS_ACCESS_ENABLE 0x00000001 /* Enable access to DDR using system BUS */ + /* DDRPhaseCtrl1 register definitions */ +#define chipcHw_REG_DDR_SW_PHASE_CTRL_ENABLE 0x80000000 /* Enable DDR SW phase alignment */ +#define chipcHw_REG_DDR_HW_PHASE_CTRL_ENABLE 0x40000000 /* Enable DDR HW phase alignment */ +#define chipcHw_REG_DDR_PHASE_VALUE_GE_MASK 0x0000007F /* DDR lower threshold for phase alignment */ +#define chipcHw_REG_DDR_PHASE_VALUE_GE_SHIFT 23 +#define chipcHw_REG_DDR_PHASE_VALUE_LE_MASK 0x0000007F /* DDR upper threshold for phase alignment */ +#define chipcHw_REG_DDR_PHASE_VALUE_LE_SHIFT 16 +#define chipcHw_REG_DDR_PHASE_ALIGN_WAIT_CYCLE_MASK 0x0000FFFF /* BUS Cycle to wait to run next DDR phase alignment */ +#define chipcHw_REG_DDR_PHASE_ALIGN_WAIT_CYCLE_SHIFT 0 + /* VPMPhaseCtrl1 register definitions */ +#define chipcHw_REG_VPM_SW_PHASE_CTRL_ENABLE 0x80000000 /* Enable VPM SW phase alignment */ +#define chipcHw_REG_VPM_HW_PHASE_CTRL_ENABLE 0x40000000 /* Enable VPM HW phase alignment */ +#define chipcHw_REG_VPM_PHASE_VALUE_GE_MASK 0x0000007F /* VPM lower threshold for phase alignment */ +#define chipcHw_REG_VPM_PHASE_VALUE_GE_SHIFT 23 +#define chipcHw_REG_VPM_PHASE_VALUE_LE_MASK 0x0000007F /* VPM upper threshold for phase alignment */ +#define chipcHw_REG_VPM_PHASE_VALUE_LE_SHIFT 16 +#define chipcHw_REG_VPM_PHASE_ALIGN_WAIT_CYCLE_MASK 0x0000FFFF /* BUS Cycle to wait to complete the VPM phase alignment */ +#define chipcHw_REG_VPM_PHASE_ALIGN_WAIT_CYCLE_SHIFT 0 + /* PhaseAlignStatus register definitions */ +#define chipcHw_REG_DDR_TIMEOUT_INTR_STATUS 0x80000000 /* DDR time out interrupt status */ +#define chipcHw_REG_DDR_PHASE_STATUS_MASK 0x0000007F /* DDR phase status value */ +#define chipcHw_REG_DDR_PHASE_STATUS_SHIFT 24 +#define chipcHw_REG_DDR_PHASE_ALIGNED 0x00800000 /* DDR Phase aligned status */ +#define chipcHw_REG_DDR_LOAD 0x00400000 /* Load DDR phase status */ +#define chipcHw_REG_DDR_PHASE_CTRL_MASK 0x0000003F /* DDR phase control value */ +#define chipcHw_REG_DDR_PHASE_CTRL_SHIFT 16 +#define chipcHw_REG_VPM_TIMEOUT_INTR_STATUS 0x80000000 /* VPM time out interrupt status */ +#define chipcHw_REG_VPM_PHASE_STATUS_MASK 0x0000007F /* VPM phase status value */ +#define chipcHw_REG_VPM_PHASE_STATUS_SHIFT 8 +#define chipcHw_REG_VPM_PHASE_ALIGNED 0x00000080 /* VPM Phase aligned status */ +#define chipcHw_REG_VPM_LOAD 0x00000040 /* Load VPM phase status */ +#define chipcHw_REG_VPM_PHASE_CTRL_MASK 0x0000003F /* VPM phase control value */ +#define chipcHw_REG_VPM_PHASE_CTRL_SHIFT 0 + /* DDRPhaseCtrl2 register definitions */ +#define chipcHw_REG_DDR_INTR_SERVICED 0x02000000 /* Acknowledge that interrupt was serviced */ +#define chipcHw_REG_DDR_TIMEOUT_INTR_ENABLE 0x01000000 /* Enable time out interrupt */ +#define chipcHw_REG_DDR_LOAD_COUNT_PHASE_CTRL_MASK 0x0000000F /* Wait before toggling load_ch */ +#define chipcHw_REG_DDR_LOAD_COUNT_PHASE_CTRL_SHIFT 20 +#define chipcHw_REG_DDR_TOTAL_LOAD_COUNT_CTRL_MASK 0x0000000F /* Total wait to settle ph_ctrl and load_ch */ +#define chipcHw_REG_DDR_TOTAL_LOAD_COUNT_CTRL_SHIFT 16 +#define chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_MASK 0x0000FFFF /* Time out value for DDR HW phase alignment */ +#define chipcHw_REG_DDR_PHASE_TIMEOUT_COUNT_SHIFT 0 + /* VPMPhaseCtrl2 register definitions */ +#define chipcHw_REG_VPM_INTR_SELECT_MASK 0x00000003 /* Interrupt select */ +#define chipcHw_REG_VPM_INTR_SELECT_SHIFT 26 +#define chipcHw_REG_VPM_INTR_DISABLE 0x00000000 +#define chipcHw_REG_VPM_INTR_FAST (0x1 << chipcHw_REG_VPM_INTR_SELECT_SHIFT) +#define chipcHw_REG_VPM_INTR_MEDIUM (0x2 << chipcHw_REG_VPM_INTR_SELECT_SHIFT) +#define chipcHw_REG_VPM_INTR_SLOW (0x3 << chipcHw_REG_VPM_INTR_SELECT_SHIFT) +#define chipcHw_REG_VPM_INTR_SERVICED 0x02000000 /* Acknowledge that interrupt was serviced */ +#define chipcHw_REG_VPM_TIMEOUT_INTR_ENABLE 0x01000000 /* Enable time out interrupt */ +#define chipcHw_REG_VPM_LOAD_COUNT_PHASE_CTRL_MASK 0x0000000F /* Wait before toggling load_ch */ +#define chipcHw_REG_VPM_LOAD_COUNT_PHASE_CTRL_SHIFT 20 +#define chipcHw_REG_VPM_TOTAL_LOAD_COUNT_CTRL_MASK 0x0000000F /* Total wait cycle to settle ph_ctrl and load_ch */ +#define chipcHw_REG_VPM_TOTAL_LOAD_COUNT_CTRL_SHIFT 16 +#define chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_MASK 0x0000FFFF /* Time out value for VPM HW phase alignment */ +#define chipcHw_REG_VPM_PHASE_TIMEOUT_COUNT_SHIFT 0 + +#endif /* CHIPCHW_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/ddrcReg.h b/arch/arm/mach-bcmring/include/mach/csp/ddrcReg.h new file mode 100644 index 0000000..f1b68e2 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/ddrcReg.h @@ -0,0 +1,872 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file ddrcReg.h +* +* @brief Register definitions for BCMRING DDR2 Controller and PHY +* +*/ +/****************************************************************************/ + +#ifndef DDRC_REG_H +#define DDRC_REG_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* ---- Include Files ---------------------------------------------------- */ + +#include <csp/reg.h> +#include <csp/stdint.h> + +#include <mach/csp/mm_io.h> + +/* ---- Public Constants and Types --------------------------------------- */ + +/*********************************************************************/ +/* DDR2 Controller (ARM PL341) register definitions */ +/*********************************************************************/ + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* ARM PL341 DDR2 configuration registers, offset 0x000 */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + + typedef struct { + uint32_t memcStatus; + uint32_t memcCmd; + uint32_t directCmd; + uint32_t memoryCfg; + uint32_t refreshPrd; + uint32_t casLatency; + uint32_t writeLatency; + uint32_t tMrd; + uint32_t tRas; + uint32_t tRc; + uint32_t tRcd; + uint32_t tRfc; + uint32_t tRp; + uint32_t tRrd; + uint32_t tWr; + uint32_t tWtr; + uint32_t tXp; + uint32_t tXsr; + uint32_t tEsr; + uint32_t memoryCfg2; + uint32_t memoryCfg3; + uint32_t tFaw; + } ddrcReg_CTLR_MEMC_REG_t; + +#define ddrcReg_CTLR_MEMC_REG_OFFSET 0x0000 +#define ddrcReg_CTLR_MEMC_REGP ((volatile ddrcReg_CTLR_MEMC_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_CTLR_MEMC_REG_OFFSET)) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_MEMC_STATUS_BANKS_MASK (0x3 << 12) +#define ddrcReg_CTLR_MEMC_STATUS_BANKS_4 (0x0 << 12) +#define ddrcReg_CTLR_MEMC_STATUS_BANKS_8 (0x3 << 12) + +#define ddrcReg_CTLR_MEMC_STATUS_MONITORS_MASK (0x3 << 10) +#define ddrcReg_CTLR_MEMC_STATUS_MONITORS_0 (0x0 << 10) +#define ddrcReg_CTLR_MEMC_STATUS_MONITORS_1 (0x1 << 10) +#define ddrcReg_CTLR_MEMC_STATUS_MONITORS_2 (0x2 << 10) +#define ddrcReg_CTLR_MEMC_STATUS_MONITORS_4 (0x3 << 10) + +#define ddrcReg_CTLR_MEMC_STATUS_CHIPS_MASK (0x3 << 7) +#define ddrcReg_CTLR_MEMC_STATUS_CHIPS_1 (0x0 << 7) +#define ddrcReg_CTLR_MEMC_STATUS_CHIPS_2 (0x1 << 7) +#define ddrcReg_CTLR_MEMC_STATUS_CHIPS_3 (0x2 << 7) +#define ddrcReg_CTLR_MEMC_STATUS_CHIPS_4 (0x3 << 7) + +#define ddrcReg_CTLR_MEMC_STATUS_TYPE_MASK (0x7 << 4) +#define ddrcReg_CTLR_MEMC_STATUS_TYPE_DDR2 (0x5 << 4) + +#define ddrcReg_CTLR_MEMC_STATUS_WIDTH_MASK (0x3 << 2) +#define ddrcReg_CTLR_MEMC_STATUS_WIDTH_16 (0x0 << 2) +#define ddrcReg_CTLR_MEMC_STATUS_WIDTH_32 (0x1 << 2) +#define ddrcReg_CTLR_MEMC_STATUS_WIDTH_64 (0x2 << 2) +#define ddrcReg_CTLR_MEMC_STATUS_WIDTH_128 (0x3 << 2) + +#define ddrcReg_CTLR_MEMC_STATUS_STATE_MASK (0x3 << 0) +#define ddrcReg_CTLR_MEMC_STATUS_STATE_CONFIG (0x0 << 0) +#define ddrcReg_CTLR_MEMC_STATUS_STATE_READY (0x1 << 0) +#define ddrcReg_CTLR_MEMC_STATUS_STATE_PAUSED (0x2 << 0) +#define ddrcReg_CTLR_MEMC_STATUS_STATE_LOWPWR (0x3 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_MEMC_CMD_MASK (0x7 << 0) +#define ddrcReg_CTLR_MEMC_CMD_GO (0x0 << 0) +#define ddrcReg_CTLR_MEMC_CMD_SLEEP (0x1 << 0) +#define ddrcReg_CTLR_MEMC_CMD_WAKEUP (0x2 << 0) +#define ddrcReg_CTLR_MEMC_CMD_PAUSE (0x3 << 0) +#define ddrcReg_CTLR_MEMC_CMD_CONFIGURE (0x4 << 0) +#define ddrcReg_CTLR_MEMC_CMD_ACTIVE_PAUSE (0x7 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_DIRECT_CMD_CHIP_SHIFT 20 +#define ddrcReg_CTLR_DIRECT_CMD_CHIP_MASK (0x3 << ddrcReg_CTLR_DIRECT_CMD_CHIP_SHIFT) + +#define ddrcReg_CTLR_DIRECT_CMD_TYPE_PRECHARGEALL (0x0 << 18) +#define ddrcReg_CTLR_DIRECT_CMD_TYPE_AUTOREFRESH (0x1 << 18) +#define ddrcReg_CTLR_DIRECT_CMD_TYPE_MODEREG (0x2 << 18) +#define ddrcReg_CTLR_DIRECT_CMD_TYPE_NOP (0x3 << 18) + +#define ddrcReg_CTLR_DIRECT_CMD_BANK_SHIFT 16 +#define ddrcReg_CTLR_DIRECT_CMD_BANK_MASK (0x3 << ddrcReg_CTLR_DIRECT_CMD_BANK_SHIFT) + +#define ddrcReg_CTLR_DIRECT_CMD_ADDR_SHIFT 0 +#define ddrcReg_CTLR_DIRECT_CMD_ADDR_MASK (0x1ffff << ddrcReg_CTLR_DIRECT_CMD_ADDR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_MEMORY_CFG_CHIP_CNT_MASK (0x3 << 21) +#define ddrcReg_CTLR_MEMORY_CFG_CHIP_CNT_1 (0x0 << 21) +#define ddrcReg_CTLR_MEMORY_CFG_CHIP_CNT_2 (0x1 << 21) +#define ddrcReg_CTLR_MEMORY_CFG_CHIP_CNT_3 (0x2 << 21) +#define ddrcReg_CTLR_MEMORY_CFG_CHIP_CNT_4 (0x3 << 21) + +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_MASK (0x7 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_3_0 (0x0 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_4_1 (0x1 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_5_2 (0x2 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_6_3 (0x3 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_7_4 (0x4 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_8_5 (0x5 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_9_6 (0x6 << 18) +#define ddrcReg_CTLR_MEMORY_CFG_QOS_ARID_10_7 (0x7 << 18) + +#define ddrcReg_CTLR_MEMORY_CFG_BURST_LEN_MASK (0x7 << 15) +#define ddrcReg_CTLR_MEMORY_CFG_BURST_LEN_4 (0x2 << 15) +#define ddrcReg_CTLR_MEMORY_CFG_BURST_LEN_8 (0x3 << 15) /* @note Not supported in PL341 */ + +#define ddrcReg_CTLR_MEMORY_CFG_PWRDOWN_ENABLE (0x1 << 13) + +#define ddrcReg_CTLR_MEMORY_CFG_PWRDOWN_CYCLES_SHIFT 7 +#define ddrcReg_CTLR_MEMORY_CFG_PWRDOWN_CYCLES_MASK (0x3f << ddrcReg_CTLR_MEMORY_CFG_PWRDOWN_CYCLES_SHIFT) + +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_MASK (0x7 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_11 (0x0 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_12 (0x1 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_13 (0x2 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_14 (0x3 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_15 (0x4 << 3) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_ROW_BITS_16 (0x5 << 3) + +#define ddrcReg_CTLR_MEMORY_CFG_AXI_COL_BITS_MASK (0x7 << 0) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_COL_BITS_9 (0x1 << 0) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_COL_BITS_10 (0x2 << 0) +#define ddrcReg_CTLR_MEMORY_CFG_AXI_COL_BITS_11 (0x3 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_REFRESH_PRD_SHIFT 0 +#define ddrcReg_CTLR_REFRESH_PRD_MASK (0x7fff << ddrcReg_CTLR_REFRESH_PRD_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_CAS_LATENCY_SHIFT 1 +#define ddrcReg_CTLR_CAS_LATENCY_MASK (0x7 << ddrcReg_CTLR_CAS_LATENCY_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_WRITE_LATENCY_SHIFT 0 +#define ddrcReg_CTLR_WRITE_LATENCY_MASK (0x7 << ddrcReg_CTLR_WRITE_LATENCY_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_MRD_SHIFT 0 +#define ddrcReg_CTLR_T_MRD_MASK (0x7f << ddrcReg_CTLR_T_MRD_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RAS_SHIFT 0 +#define ddrcReg_CTLR_T_RAS_MASK (0x1f << ddrcReg_CTLR_T_RAS_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RC_SHIFT 0 +#define ddrcReg_CTLR_T_RC_MASK (0x1f << ddrcReg_CTLR_T_RC_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RCD_SCHEDULE_DELAY_SHIFT 8 +#define ddrcReg_CTLR_T_RCD_SCHEDULE_DELAY_MASK (0x7 << ddrcReg_CTLR_T_RCD_SCHEDULE_DELAY_SHIFT) + +#define ddrcReg_CTLR_T_RCD_SHIFT 0 +#define ddrcReg_CTLR_T_RCD_MASK (0x7 << ddrcReg_CTLR_T_RCD_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RFC_SCHEDULE_DELAY_SHIFT 8 +#define ddrcReg_CTLR_T_RFC_SCHEDULE_DELAY_MASK (0x7f << ddrcReg_CTLR_T_RFC_SCHEDULE_DELAY_SHIFT) + +#define ddrcReg_CTLR_T_RFC_SHIFT 0 +#define ddrcReg_CTLR_T_RFC_MASK (0x7f << ddrcReg_CTLR_T_RFC_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RP_SCHEDULE_DELAY_SHIFT 8 +#define ddrcReg_CTLR_T_RP_SCHEDULE_DELAY_MASK (0x7 << ddrcReg_CTLR_T_RP_SCHEDULE_DELAY_SHIFT) + +#define ddrcReg_CTLR_T_RP_SHIFT 0 +#define ddrcReg_CTLR_T_RP_MASK (0xf << ddrcReg_CTLR_T_RP_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_RRD_SHIFT 0 +#define ddrcReg_CTLR_T_RRD_MASK (0xf << ddrcReg_CTLR_T_RRD_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_WR_SHIFT 0 +#define ddrcReg_CTLR_T_WR_MASK (0x7 << ddrcReg_CTLR_T_WR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_WTR_SHIFT 0 +#define ddrcReg_CTLR_T_WTR_MASK (0x7 << ddrcReg_CTLR_T_WTR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_XP_SHIFT 0 +#define ddrcReg_CTLR_T_XP_MASK (0xff << ddrcReg_CTLR_T_XP_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_XSR_SHIFT 0 +#define ddrcReg_CTLR_T_XSR_MASK (0xff << ddrcReg_CTLR_T_XSR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_ESR_SHIFT 0 +#define ddrcReg_CTLR_T_ESR_MASK (0xff << ddrcReg_CTLR_T_ESR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_MEMORY_CFG2_WIDTH_MASK (0x3 << 6) +#define ddrcReg_CTLR_MEMORY_CFG2_WIDTH_16BITS (0 << 6) +#define ddrcReg_CTLR_MEMORY_CFG2_WIDTH_32BITS (1 << 6) +#define ddrcReg_CTLR_MEMORY_CFG2_WIDTH_64BITS (2 << 6) + +#define ddrcReg_CTLR_MEMORY_CFG2_AXI_BANK_BITS_MASK (0x3 << 4) +#define ddrcReg_CTLR_MEMORY_CFG2_AXI_BANK_BITS_2 (0 << 4) +#define ddrcReg_CTLR_MEMORY_CFG2_AXI_BANK_BITS_3 (3 << 4) + +#define ddrcReg_CTLR_MEMORY_CFG2_CKE_INIT_STATE_LOW (0 << 3) +#define ddrcReg_CTLR_MEMORY_CFG2_CKE_INIT_STATE_HIGH (1 << 3) + +#define ddrcReg_CTLR_MEMORY_CFG2_DQM_INIT_STATE_LOW (0 << 2) +#define ddrcReg_CTLR_MEMORY_CFG2_DQM_INIT_STATE_HIGH (1 << 2) + +#define ddrcReg_CTLR_MEMORY_CFG2_CLK_MASK (0x3 << 0) +#define ddrcReg_CTLR_MEMORY_CFG2_CLK_ASYNC (0 << 0) +#define ddrcReg_CTLR_MEMORY_CFG2_CLK_SYNC_A_LE_M (1 << 0) +#define ddrcReg_CTLR_MEMORY_CFG2_CLK_SYNC_A_GT_M (3 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_MEMORY_CFG3_REFRESH_TO_SHIFT 0 +#define ddrcReg_CTLR_MEMORY_CFG3_REFRESH_TO_MASK (0x7 << ddrcReg_CTLR_MEMORY_CFG3_REFRESH_TO_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_T_FAW_SCHEDULE_DELAY_SHIFT 8 +#define ddrcReg_CTLR_T_FAW_SCHEDULE_DELAY_MASK (0x1f << ddrcReg_CTLR_T_FAW_SCHEDULE_DELAY_SHIFT) + +#define ddrcReg_CTLR_T_FAW_PERIOD_SHIFT 0 +#define ddrcReg_CTLR_T_FAW_PERIOD_MASK (0x1f << ddrcReg_CTLR_T_FAW_PERIOD_SHIFT) + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* ARM PL341 AXI ID QOS configuration registers, offset 0x100 */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + +#define ddrcReg_CTLR_QOS_CNT 16 +#define ddrcReg_CTLR_QOS_MAX (ddrcReg_CTLR_QOS_CNT - 1) + + typedef struct { + uint32_t cfg[ddrcReg_CTLR_QOS_CNT]; + } ddrcReg_CTLR_QOS_REG_t; + +#define ddrcReg_CTLR_QOS_REG_OFFSET 0x100 +#define ddrcReg_CTLR_QOS_REGP ((volatile ddrcReg_CTLR_QOS_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_CTLR_QOS_REG_OFFSET)) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_QOS_CFG_MAX_SHIFT 2 +#define ddrcReg_CTLR_QOS_CFG_MAX_MASK (0xff << ddrcReg_CTLR_QOS_CFG_MAX_SHIFT) + +#define ddrcReg_CTLR_QOS_CFG_MIN_SHIFT 1 +#define ddrcReg_CTLR_QOS_CFG_MIN_MASK (1 << ddrcReg_CTLR_QOS_CFG_MIN_SHIFT) + +#define ddrcReg_CTLR_QOS_CFG_ENABLE (1 << 0) + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* ARM PL341 Memory chip configuration registers, offset 0x200 */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + +#define ddrcReg_CTLR_CHIP_CNT 4 +#define ddrcReg_CTLR_CHIP_MAX (ddrcReg_CTLR_CHIP_CNT - 1) + + typedef struct { + uint32_t cfg[ddrcReg_CTLR_CHIP_CNT]; + } ddrcReg_CTLR_CHIP_REG_t; + +#define ddrcReg_CTLR_CHIP_REG_OFFSET 0x200 +#define ddrcReg_CTLR_CHIP_REGP ((volatile ddrcReg_CTLR_CHIP_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_CTLR_CHIP_REG_OFFSET)) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_CHIP_CFG_MEM_ORG_MASK (1 << 16) +#define ddrcReg_CTLR_CHIP_CFG_MEM_ORG_ROW_BANK_COL (0 << 16) +#define ddrcReg_CTLR_CHIP_CFG_MEM_ORG_BANK_ROW_COL (1 << 16) + +#define ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MATCH_SHIFT 8 +#define ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MATCH_MASK (0xff << ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MATCH_SHIFT) + +#define ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MASK_SHIFT 0 +#define ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MASK_MASK (0xff << ddrcReg_CTLR_CHIP_CFG_AXI_ADDR_MASK_SHIFT) + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* ARM PL341 User configuration registers, offset 0x300 */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + +#define ddrcReg_CTLR_USER_OUTPUT_CNT 2 + + typedef struct { + uint32_t input; + uint32_t output[ddrcReg_CTLR_USER_OUTPUT_CNT]; + uint32_t feature; + } ddrcReg_CTLR_USER_REG_t; + +#define ddrcReg_CTLR_USER_REG_OFFSET 0x300 +#define ddrcReg_CTLR_USER_REGP ((volatile ddrcReg_CTLR_USER_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_CTLR_USER_REG_OFFSET)) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_USER_INPUT_STATUS_SHIFT 0 +#define ddrcReg_CTLR_USER_INPUT_STATUS_MASK (0xff << ddrcReg_CTLR_USER_INPUT_STATUS_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_USER_OUTPUT_CFG_SHIFT 0 +#define ddrcReg_CTLR_USER_OUTPUT_CFG_MASK (0xff << ddrcReg_CTLR_USER_OUTPUT_CFG_SHIFT) + +#define ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_SHIFT 1 +#define ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_MASK (1 << ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_BP134 (0 << ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_PL301 (1 << ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_REGISTERED ddrcReg_CTLR_USER_OUTPUT_0_CFG_SYNC_BRIDGE_PL301 + +/* ----------------------------------------------------- */ + +#define ddrcReg_CTLR_FEATURE_WRITE_BLOCK_DISABLE (1 << 2) +#define ddrcReg_CTLR_FEATURE_EARLY_BURST_RSP_DISABLE (1 << 0) + +/*********************************************************************/ +/* Broadcom DDR23 PHY register definitions */ +/*********************************************************************/ + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* Broadcom DDR23 PHY Address and Control register definitions */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + + typedef struct { + uint32_t revision; + uint32_t pmCtl; + REG32_RSVD(0x0008, 0x0010); + uint32_t pllStatus; + uint32_t pllCfg; + uint32_t pllPreDiv; + uint32_t pllDiv; + uint32_t pllCtl1; + uint32_t pllCtl2; + uint32_t ssCtl; + uint32_t ssCfg; + uint32_t vdlStatic; + uint32_t vdlDynamic; + uint32_t padIdle; + uint32_t pvtComp; + uint32_t padDrive; + uint32_t clkRgltrCtl; + } ddrcReg_PHY_ADDR_CTL_REG_t; + +#define ddrcReg_PHY_ADDR_CTL_REG_OFFSET 0x0400 +#define ddrcReg_PHY_ADDR_CTL_REGP ((volatile ddrcReg_PHY_ADDR_CTL_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_PHY_ADDR_CTL_REG_OFFSET)) + +/* @todo These SS definitions are duplicates of ones below */ + +#define ddrcReg_PHY_ADDR_SS_CTRL_ENABLE 0x00000001 +#define ddrcReg_PHY_ADDR_SS_CFG_CYCLE_PER_TICK_MASK 0xFFFF0000 +#define ddrcReg_PHY_ADDR_SS_CFG_CYCLE_PER_TICK_SHIFT 16 +#define ddrcReg_PHY_ADDR_SS_CFG_MIN_CYCLE_PER_TICK 10 /* Higher the value, lower the SS modulation frequency */ +#define ddrcReg_PHY_ADDR_SS_CFG_NDIV_AMPLITUDE_MASK 0x0000FFFF +#define ddrcReg_PHY_ADDR_SS_CFG_NDIV_AMPLITUDE_SHIFT 0 + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_REVISION_MAJOR_SHIFT 8 +#define ddrcReg_PHY_ADDR_CTL_REVISION_MAJOR_MASK (0xff << ddrcReg_PHY_ADDR_CTL_REVISION_MAJOR_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_REVISION_MINOR_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_REVISION_MINOR_MASK (0xff << ddrcReg_PHY_ADDR_CTL_REVISION_MINOR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_CLK_PM_CTL_DDR_CLK_DISABLE (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_STATUS_LOCKED (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_DIV2_CLK_RESET (1 << 31) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_TEST_SEL_SHIFT 17 +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_TEST_SEL_MASK (0x1f << ddrcReg_PHY_ADDR_CTL_PLL_CFG_TEST_SEL_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_TEST_ENABLE (1 << 16) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_BGAP_ADJ_SHIFT 12 +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_BGAP_ADJ_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PLL_CFG_BGAP_ADJ_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_VCO_RNG (1 << 7) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_CH1_PWRDWN (1 << 6) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_BYPASS_ENABLE (1 << 5) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_CLKOUT_ENABLE (1 << 4) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_D_RESET (1 << 3) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_A_RESET (1 << 2) +#define ddrcReg_PHY_ADDR_CTL_PLL_CFG_PWRDWN (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_DITHER_MFB (1 << 26) +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_PWRDWN (1 << 25) + +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_MODE_SHIFT 20 +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_MODE_MASK (0x7 << ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_MODE_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_INT_SHIFT 8 +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_INT_MASK (0x1ff << ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_INT_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P2_SHIFT 4 +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P2_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P2_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P1_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P1_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PLL_PRE_DIV_P1_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_DIV_M1_SHIFT 24 +#define ddrcReg_PHY_ADDR_CTL_PLL_DIV_M1_MASK (0xff << ddrcReg_PHY_ADDR_CTL_PLL_DIV_M1_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_DIV_FRAC_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_PLL_DIV_FRAC_MASK (0xffffff << ddrcReg_PHY_ADDR_CTL_PLL_DIV_FRAC_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_TESTA_SHIFT 30 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_TESTA_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_TESTA_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XS_SHIFT 27 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XS_MASK (0x7 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XS_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XF_SHIFT 24 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XF_MASK (0x7 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_KVCO_XF_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_LPF_BW_SHIFT 22 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_LPF_BW_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_LPF_BW_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_LF_ORDER (0x1 << 21) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CN_SHIFT 19 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CN_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CN_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RN_SHIFT 17 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RN_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RN_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CP_SHIFT 15 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CP_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CP_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CZ_SHIFT 13 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CZ_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_CZ_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RZ_SHIFT 10 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RZ_MASK (0x7 << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_RZ_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICPX_SHIFT 5 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICPX_MASK (0x1f << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICPX_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICP_OFF_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICP_OFF_MASK (0x1f << ddrcReg_PHY_ADDR_CTL_PLL_CTL1_ICP_OFF_SHIFT) + +/* ----------------------------------------------------- */ +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_PTAP_ADJ_SHIFT 4 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_PTAP_ADJ_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL2_PTAP_ADJ_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_CTAP_ADJ_SHIFT 2 +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_CTAP_ADJ_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_PLL_CTL2_CTAP_ADJ_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_LOWCUR_ENABLE (0x1 << 1) +#define ddrcReg_PHY_ADDR_CTL_PLL_CTL2_BIASIN_ENABLE (0x1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_SS_EN_ENABLE (0x1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_CYC_PER_TICK_SHIFT 16 +#define ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_CYC_PER_TICK_MASK (0xffff << ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_CYC_PER_TICK_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_NDIV_AMP_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_NDIV_AMP_MASK (0xffff << ddrcReg_PHY_ADDR_CTL_PLL_SS_CFG_NDIV_AMP_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_FORCE (1 << 20) +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_ENABLE (1 << 16) + +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_FALL_SHIFT 12 +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_FALL_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_FALL_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_RISE_SHIFT 8 +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_RISE_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_RISE_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_STEP_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_STEP_MASK (0x3f << ddrcReg_PHY_ADDR_CTL_VDL_STATIC_OVR_STEP_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_ENABLE (1 << 16) + +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_FALL_SHIFT 12 +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_FALL_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_FALL_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_RISE_SHIFT 8 +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_RISE_MASK (0x3 << ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_RISE_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_STEP_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_STEP_MASK (0x3f << ddrcReg_PHY_ADDR_CTL_VDL_DYNAMIC_OVR_STEP_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_ENABLE (1u << 31) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_RXENB_DISABLE (1 << 8) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CTL_IDDQ_DISABLE (1 << 6) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CTL_REB_DISABLE (1 << 5) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CTL_OEB_DISABLE (1 << 4) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CKE_IDDQ_DISABLE (1 << 2) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CKE_REB_DISABLE (1 << 1) +#define ddrcReg_PHY_ADDR_CTL_PAD_IDLE_CKE_OEB_DISABLE (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_PD_DONE (1 << 30) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ND_DONE (1 << 29) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_SAMPLE_DONE (1 << 28) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_SAMPLE_AUTO_ENABLE (1 << 27) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_SAMPLE_ENABLE (1 << 26) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_OVR_ENABLE (1 << 25) +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_OVR_ENABLE (1 << 24) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_PD_SHIFT 20 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_PD_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_PD_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ND_SHIFT 16 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ND_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_ND_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_PD_SHIFT 12 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_PD_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_PD_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_ND_SHIFT 8 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_ND_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_ADDR_ND_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_PD_SHIFT 4 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_PD_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_PD_SHIFT) + +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_ND_SHIFT 0 +#define ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_ND_MASK (0xf << ddrcReg_PHY_ADDR_CTL_PVT_COMP_DQ_ND_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_PAD_DRIVE_RT60B (1 << 4) +#define ddrcReg_PHY_ADDR_CTL_PAD_DRIVE_SEL_SSTL18 (1 << 3) +#define ddrcReg_PHY_ADDR_CTL_PAD_DRIVE_SELTXDRV_CI (1 << 2) +#define ddrcReg_PHY_ADDR_CTL_PAD_DRIVE_SELRXDRV (1 << 1) +#define ddrcReg_PHY_ADDR_CTL_PAD_DRIVE_SLEW (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_ADDR_CTL_CLK_RGLTR_CTL_PWR_HALF (1 << 1) +#define ddrcReg_PHY_ADDR_CTL_CLK_RGLTR_CTL_PWR_OFF (1 << 0) + +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ +/* Broadcom DDR23 PHY Byte Lane register definitions */ +/* -------------------------------------------------------------------- */ +/* -------------------------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_CNT 2 +#define ddrcReg_PHY_BYTE_LANE_MAX (ddrcReg_CTLR_BYTE_LANE_CNT - 1) + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_CNT 8 + + typedef struct { + uint32_t revision; + uint32_t vdlCalibrate; + uint32_t vdlStatus; + REG32_RSVD(0x000c, 0x0010); + uint32_t vdlOverride[ddrcReg_PHY_BYTE_LANE_VDL_OVR_CNT]; + uint32_t readCtl; + uint32_t readStatus; + uint32_t readClear; + uint32_t padIdleCtl; + uint32_t padDriveCtl; + uint32_t padClkCtl; + uint32_t writeCtl; + uint32_t clkRegCtl; + } ddrcReg_PHY_BYTE_LANE_REG_t; + +/* There are 2 instances of the byte Lane registers, one for each byte lane. */ +#define ddrcReg_PHY_BYTE_LANE_1_REG_OFFSET 0x0500 +#define ddrcReg_PHY_BYTE_LANE_2_REG_OFFSET 0x0600 + +#define ddrcReg_PHY_BYTE_LANE_1_REGP ((volatile ddrcReg_PHY_BYTE_LANE_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_PHY_BYTE_LANE_1_REG_OFFSET)) +#define ddrcReg_PHY_BYTE_LANE_2_REGP ((volatile ddrcReg_PHY_BYTE_LANE_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_PHY_BYTE_LANE_2_REG_OFFSET)) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_REVISION_MAJOR_SHIFT 8 +#define ddrcReg_PHY_BYTE_LANE_REVISION_MAJOR_MASK (0xff << ddrcReg_PHY_BYTE_LANE_REVISION_MAJOR_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_REVISION_MINOR_SHIFT 0 +#define ddrcReg_PHY_BYTE_LANE_REVISION_MINOR_MASK (0xff << ddrcReg_PHY_BYTE_LANE_REVISION_MINOR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_CLK_2CYCLE (1 << 4) +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_CLK_1CYCLE (0 << 4) + +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_TEST (1 << 3) +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_ALWAYS (1 << 2) +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_ONCE (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_VDL_CALIB_FAST (1 << 0) + +/* ----------------------------------------------------- */ + +/* The byte lane VDL status calibTotal[9:0] is comprised of [9:4] step value, [3:2] fine fall */ +/* and [1:0] fine rise. Note that calibTotal[9:0] is located at bit 4 in the VDL status */ +/* register. The fine rise and fall are no longer used, so add some definitions for just */ +/* the step setting to simplify things. */ + +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_STEP_SHIFT 8 +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_STEP_MASK (0x3f << ddrcReg_PHY_BYTE_LANE_VDL_STATUS_STEP_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_TOTAL_SHIFT 4 +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_TOTAL_MASK (0x3ff << ddrcReg_PHY_BYTE_LANE_VDL_STATUS_TOTAL_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_LOCK (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_VDL_STATUS_IDLE (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_ENABLE (1 << 16) + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_FALL_SHIFT 12 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_FALL_MASK (0x3 << ddrcReg_PHY_BYTE_LANE_VDL_OVR_FALL_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_RISE_SHIFT 8 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_RISE_MASK (0x3 << ddrcReg_PHY_BYTE_LANE_VDL_OVR_RISE_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_STEP_SHIFT 0 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_STEP_MASK (0x3f << ddrcReg_PHY_BYTE_LANE_VDL_OVR_STEP_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_STATIC_READ_DQS_P 0 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_STATIC_READ_DQS_N 1 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_STATIC_READ_EN 2 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_STATIC_WRITE_DQ_DQM 3 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_DYNAMIC_READ_DQS_P 4 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_DYNAMIC_READ_DQS_N 5 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_DYNAMIC_READ_EN 6 +#define ddrcReg_PHY_BYTE_LANE_VDL_OVR_IDX_DYNAMIC_WRITE_DQ_DQM 7 + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_DELAY_SHIFT 8 +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_DELAY_MASK (0x3 << ddrcReg_PHY_BYTE_LANE_READ_CTL_DELAY_SHIFT) + +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_DQ_ODT_ENABLE (1 << 3) +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_DQ_ODT_ADJUST (1 << 2) +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_RD_ODT_ENABLE (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_READ_CTL_RD_ODT_ADJUST (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_READ_STATUS_ERROR_SHIFT 0 +#define ddrcReg_PHY_BYTE_LANE_READ_STATUS_ERROR_MASK (0xf << ddrcReg_PHY_BYTE_LANE_READ_STATUS_ERROR_SHIFT) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_READ_CLEAR_STATUS (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_ENABLE (1u << 31) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DM_RXENB_DISABLE (1 << 19) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DM_IDDQ_DISABLE (1 << 18) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DM_REB_DISABLE (1 << 17) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DM_OEB_DISABLE (1 << 16) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQ_RXENB_DISABLE (1 << 15) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQ_IDDQ_DISABLE (1 << 14) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQ_REB_DISABLE (1 << 13) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQ_OEB_DISABLE (1 << 12) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_READ_ENB_RXENB_DISABLE (1 << 11) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_READ_ENB_IDDQ_DISABLE (1 << 10) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_READ_ENB_REB_DISABLE (1 << 9) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_READ_ENB_OEB_DISABLE (1 << 8) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQS_RXENB_DISABLE (1 << 7) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQS_IDDQ_DISABLE (1 << 6) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQS_REB_DISABLE (1 << 5) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_DQS_OEB_DISABLE (1 << 4) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_CLK_RXENB_DISABLE (1 << 3) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_CLK_IDDQ_DISABLE (1 << 2) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_CLK_REB_DISABLE (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_PAD_IDLE_CTL_CLK_OEB_DISABLE (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_RT60B_DDR_READ_ENB (1 << 5) +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_RT60B (1 << 4) +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_SEL_SSTL18 (1 << 3) +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_SELTXDRV_CI (1 << 2) +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_SELRXDRV (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_PAD_DRIVE_CTL_SLEW (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_PAD_CLK_CTL_DISABLE (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_WRITE_CTL_PREAMBLE_DDR3 (1 << 0) + +/* ----------------------------------------------------- */ + +#define ddrcReg_PHY_BYTE_LANE_CLK_REG_CTL_PWR_HALF (1 << 1) +#define ddrcReg_PHY_BYTE_LANE_CLK_REG_CTL_PWR_OFF (1 << 0) + +/*********************************************************************/ +/* ARM PL341 DDRC to Broadcom DDR23 PHY glue register definitions */ +/*********************************************************************/ + + typedef struct { + uint32_t cfg; + uint32_t actMonCnt; + uint32_t ctl; + uint32_t lbistCtl; + uint32_t lbistSeed; + uint32_t lbistStatus; + uint32_t tieOff; + uint32_t actMonClear; + uint32_t status; + uint32_t user; + } ddrcReg_CTLR_PHY_GLUE_REG_t; + +#define ddrcReg_CTLR_PHY_GLUE_OFFSET 0x0700 +#define ddrcReg_CTLR_PHY_GLUE_REGP ((volatile ddrcReg_CTLR_PHY_GLUE_REG_t *) (MM_IO_BASE_DDRC + ddrcReg_CTLR_PHY_GLUE_OFFSET)) + +/* ----------------------------------------------------- */ + +/* DDR2 / AXI block phase alignment interrupt control */ +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT 18 +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_MASK (0x3 << ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_OFF (0 << ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_ON_TIGHT (1 << ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_ON_MEDIUM (2 << ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_INT_ON_LOOSE (3 << ddrcReg_CTLR_PHY_GLUE_CFG_INT_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_SHIFT 17 +#define ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_MASK (1 << ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_DIFFERENTIAL (0 << ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_CMOS (1 << ddrcReg_CTLR_PHY_GLUE_CFG_PLL_REFCLK_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHIFT 16 +#define ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_MASK (1 << ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_DEEP (0 << ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHALLOW (1 << ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_HW_FIXED_ALIGNMENT_DISABLED ddrcReg_CTLR_PHY_GLUE_CFG_DIV2CLK_TREE_SHALLOW + +#define ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_SHIFT 15 +#define ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_MASK (1 << ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_BP134 (0 << ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_PL301 (1 << ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_REGISTERED ddrcReg_CTLR_PHY_GLUE_CFG_SYNC_BRIDGE_PL301 + +/* Software control of PHY VDL updates from control register settings. Bit 13 enables the use of Bit 14. */ +/* If software control is not enabled, then updates occur when a refresh command is issued by the hardware */ +/* controller. If 2 chips selects are being used, then software control must be enabled. */ +#define ddrcReg_CTLR_PHY_GLUE_CFG_PHY_VDL_UPDATE_SW_CTL_LOAD (1 << 14) +#define ddrcReg_CTLR_PHY_GLUE_CFG_PHY_VDL_UPDATE_SW_CTL_ENABLE (1 << 13) + +/* Use these to bypass a pipeline stage. By default the ADDR is off but the BYTE LANE in / out are on. */ +#define ddrcReg_CTLR_PHY_GLUE_CFG_PHY_ADDR_CTL_IN_BYPASS_PIPELINE_STAGE (1 << 12) +#define ddrcReg_CTLR_PHY_GLUE_CFG_PHY_BYTE_LANE_IN_BYPASS_PIPELINE_STAGE (1 << 11) +#define ddrcReg_CTLR_PHY_GLUE_CFG_PHY_BYTE_LANE_OUT_BYPASS_PIPELINE_STAGE (1 << 10) + +/* Chip select count */ +#define ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_SHIFT 9 +#define ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_MASK (1 << ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_1 (0 << ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_2 (1 << ddrcReg_CTLR_PHY_GLUE_CFG_CS_CNT_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_CLK_SHIFT 8 +#define ddrcReg_CTLR_PHY_GLUE_CFG_CLK_ASYNC (0 << ddrcReg_CTLR_PHY_GLUE_CFG_CLK_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_CLK_SYNC (1 << ddrcReg_CTLR_PHY_GLUE_CFG_CLK_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_CKE_INIT_SHIFT 7 +#define ddrcReg_CTLR_PHY_GLUE_CFG_CKE_INIT_LOW (0 << ddrcReg_CTLR_PHY_GLUE_CFG_CKE_INIT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_CKE_INIT_HIGH (1 << ddrcReg_CTLR_PHY_GLUE_CFG_CKE_INIT_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_DQM_INIT_SHIFT 6 +#define ddrcReg_CTLR_PHY_GLUE_CFG_DQM_INIT_LOW (0 << ddrcReg_CTLR_PHY_GLUE_CFG_DQM_INIT_SHIFT) +#define ddrcReg_CTLR_PHY_GLUE_CFG_DQM_INIT_HIGH (1 << ddrcReg_CTLR_PHY_GLUE_CFG_DQM_INIT_SHIFT) + +#define ddrcReg_CTLR_PHY_GLUE_CFG_CAS_LATENCY_SHIFT 0 +#define ddrcReg_CTLR_PHY_GLUE_CFG_CAS_LATENCY_MASK (0x7 << ddrcReg_CTLR_PHY_GLUE_CFG_CAS_LATENCY_SHIFT) + +/* ----------------------------------------------------- */ +#define ddrcReg_CTLR_PHY_GLUE_STATUS_PHASE_SHIFT 0 +#define ddrcReg_CTLR_PHY_GLUE_STATUS_PHASE_MASK (0x7f << ddrcReg_CTLR_PHY_GLUE_STATUS_PHASE_SHIFT) + +/* ---- Public Function Prototypes --------------------------------------- */ + +#ifdef __cplusplus +} /* end extern "C" */ +#endif +#endif /* DDRC_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h new file mode 100644 index 0000000..375066a --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h @@ -0,0 +1,145 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dmacHw_priv.h +* +* @brief Private Definitions for low level DMA driver +* +*/ +/****************************************************************************/ + +#ifndef _DMACHW_PRIV_H +#define _DMACHW_PRIV_H + +#include <csp/stdint.h> + +/* Data type for DMA Link List Item */ +typedef struct { + uint32_t sar; /* Source Adress Register. + Address must be aligned to CTLx.SRC_TR_WIDTH. */ + uint32_t dar; /* Destination Address Register. + Address must be aligned to CTLx.DST_TR_WIDTH. */ + uint32_t llpPhy; /* LLP contains the physical address of the next descriptor for block chaining using linked lists. + Address MUST be aligned to a 32-bit boundary. */ + dmacHw_REG64_t ctl; /* Control Register. 64 bits */ + uint32_t sstat; /* Source Status Register */ + uint32_t dstat; /* Destination Status Register */ + uint32_t devCtl; /* Device specific control information */ + uint32_t llp; /* LLP contains the virtual address of the next descriptor for block chaining using linked lists. */ +} dmacHw_DESC_t; + +/* + * Descriptor ring pointers + */ +typedef struct { + int num; /* Number of link items */ + dmacHw_DESC_t *pHead; /* Head of descriptor ring (for writing) */ + dmacHw_DESC_t *pTail; /* Tail of descriptor ring (for reading) */ + dmacHw_DESC_t *pProg; /* Descriptor to program the channel (for programming the channel register) */ + dmacHw_DESC_t *pEnd; /* End of current descriptor chain */ + dmacHw_DESC_t *pFree; /* Descriptor to free memory (freeing dynamic memory) */ + uint32_t virt2PhyOffset; /* Virtual to physical address offset for the descriptor ring */ +} dmacHw_DESC_RING_t; + +/* + * DMA channel control block + */ +typedef struct { + uint32_t module; /* DMA controller module (0-1) */ + uint32_t channel; /* DMA channel (0-7) */ + volatile uint32_t varDataStarted; /* Flag indicating variable data channel is enabled */ + volatile uint32_t descUpdated; /* Flag to indicate descriptor update is complete */ + void *userData; /* Channel specifc user data */ +} dmacHw_CBLK_t; + +#define dmacHw_ASSERT(a) if (!(a)) while (1) +#define dmacHw_MAX_CHANNEL_COUNT 16 +#define dmacHw_FREE_USER_MEMORY 0xFFFFFFFF +#define dmacHw_DESC_FREE dmacHw_REG_CTL_DONE +#define dmacHw_DESC_INIT ((dmacHw_DESC_t *) 0xFFFFFFFF) +#define dmacHw_MAX_BLOCKSIZE 4064 +#define dmacHw_GET_DESC_RING(addr) (dmacHw_DESC_RING_t *)(addr) +#define dmacHw_ADDRESS_MASK(byte) ((byte) - 1) +#define dmacHw_NEXT_DESC(rp, dp) ((rp)->dp = (dmacHw_DESC_t *)(rp)->dp->llp) +#define dmacHw_HANDLE_TO_CBLK(handle) ((dmacHw_CBLK_t *) (handle)) +#define dmacHw_CBLK_TO_HANDLE(cblkp) ((dmacHw_HANDLE_t) (cblkp)) +#define dmacHw_DST_IS_MEMORY(tt) (((tt) == dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM) || ((tt) == dmacHw_TRANSFER_TYPE_MEM_TO_MEM)) ? 1 : 0 + +/****************************************************************************/ +/** +* @brief Get next available transaction width +* +* +* @return On sucess : Next avail able transaction width +* On failure : dmacHw_TRANSACTION_WIDTH_8 +* +* @note +* None +*/ +/****************************************************************************/ +static inline dmacHw_TRANSACTION_WIDTH_e dmacHw_GetNextTrWidth(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Current transaction width */ + ) { + if (tw & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) { + return ((tw >> dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT) - + 1) << dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT; + } else if (tw & dmacHw_REG_CTL_DST_TR_WIDTH_MASK) { + return ((tw >> dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT) - + 1) << dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT; + } + + /* Default return */ + return dmacHw_SRC_TRANSACTION_WIDTH_8; +} + +/****************************************************************************/ +/** +* @brief Get number of bytes per transaction +* +* @return Number of bytes per transaction +* +* +* @note +* None +*/ +/****************************************************************************/ +static inline int dmacHw_GetTrWidthInBytes(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Transaction width */ + ) { + int width = 1; + switch (tw) { + case dmacHw_SRC_TRANSACTION_WIDTH_8: + width = 1; + break; + case dmacHw_SRC_TRANSACTION_WIDTH_16: + case dmacHw_DST_TRANSACTION_WIDTH_16: + width = 2; + break; + case dmacHw_SRC_TRANSACTION_WIDTH_32: + case dmacHw_DST_TRANSACTION_WIDTH_32: + width = 4; + break; + case dmacHw_SRC_TRANSACTION_WIDTH_64: + case dmacHw_DST_TRANSACTION_WIDTH_64: + width = 8; + break; + default: + dmacHw_ASSERT(0); + } + + /* Default transaction width */ + return width; +} + +#endif /* _DMACHW_PRIV_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h new file mode 100644 index 0000000..891cea8 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h @@ -0,0 +1,406 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dmacHw_reg.h +* +* @brief Definitions for low level DMA registers +* +*/ +/****************************************************************************/ + +#ifndef _DMACHW_REG_H +#define _DMACHW_REG_H + +#include <csp/stdint.h> +#include <mach/csp/mm_io.h> + +/* Data type for 64 bit little endian register */ +typedef struct { + volatile uint32_t lo; /* Lower 32 bit in little endian mode */ + volatile uint32_t hi; /* Upper 32 bit in little endian mode */ +} dmacHw_REG64_t; + +/* Data type representing DMA channel registers */ +typedef struct { + dmacHw_REG64_t ChannelSar; /* Source Adress Register. 64 bits (upper 32 bits are reserved) + Address must be aligned to CTLx.SRC_TR_WIDTH. + */ + dmacHw_REG64_t ChannelDar; /* Destination Address Register.64 bits (upper 32 bits are reserved) + Address must be aligned to CTLx.DST_TR_WIDTH. + */ + dmacHw_REG64_t ChannelLlp; /* Link List Pointer.64 bits (upper 32 bits are reserved) + LLP contains the pointer to the next LLI for block chaining using linked lists. + If LLPis set to 0x0, then transfers using linked lists are not enabled. + Address MUST be aligned to a 32-bit boundary. + */ + dmacHw_REG64_t ChannelCtl; /* Control Register. 64 bits */ + dmacHw_REG64_t ChannelSstat; /* Source Status Register */ + dmacHw_REG64_t ChannelDstat; /* Destination Status Register */ + dmacHw_REG64_t ChannelSstatAddr; /* Source Status Address Register */ + dmacHw_REG64_t ChannelDstatAddr; /* Destination Status Address Register */ + dmacHw_REG64_t ChannelConfig; /* Channel Configuration Register */ + dmacHw_REG64_t SrcGather; /* Source gather register */ + dmacHw_REG64_t DstScatter; /* Destination scatter register */ +} dmacHw_CH_REG_t; + +/* Data type for RAW interrupt status registers */ +typedef struct { + dmacHw_REG64_t RawTfr; /* Raw Status for IntTfr Interrupt */ + dmacHw_REG64_t RawBlock; /* Raw Status for IntBlock Interrupt */ + dmacHw_REG64_t RawSrcTran; /* Raw Status for IntSrcTran Interrupt */ + dmacHw_REG64_t RawDstTran; /* Raw Status for IntDstTran Interrupt */ + dmacHw_REG64_t RawErr; /* Raw Status for IntErr Interrupt */ +} dmacHw_INT_RAW_t; + +/* Data type for interrupt status registers */ +typedef struct { + dmacHw_REG64_t StatusTfr; /* Status for IntTfr Interrupt */ + dmacHw_REG64_t StatusBlock; /* Status for IntBlock Interrupt */ + dmacHw_REG64_t StatusSrcTran; /* Status for IntSrcTran Interrupt */ + dmacHw_REG64_t StatusDstTran; /* Status for IntDstTran Interrupt */ + dmacHw_REG64_t StatusErr; /* Status for IntErr Interrupt */ +} dmacHw_INT_STATUS_t; + +/* Data type for interrupt mask registers*/ +typedef struct { + dmacHw_REG64_t MaskTfr; /* Mask for IntTfr Interrupt */ + dmacHw_REG64_t MaskBlock; /* Mask for IntBlock Interrupt */ + dmacHw_REG64_t MaskSrcTran; /* Mask for IntSrcTran Interrupt */ + dmacHw_REG64_t MaskDstTran; /* Mask for IntDstTran Interrupt */ + dmacHw_REG64_t MaskErr; /* Mask for IntErr Interrupt */ +} dmacHw_INT_MASK_t; + +/* Data type for interrupt clear registers */ +typedef struct { + dmacHw_REG64_t ClearTfr; /* Clear for IntTfr Interrupt */ + dmacHw_REG64_t ClearBlock; /* Clear for IntBlock Interrupt */ + dmacHw_REG64_t ClearSrcTran; /* Clear for IntSrcTran Interrupt */ + dmacHw_REG64_t ClearDstTran; /* Clear for IntDstTran Interrupt */ + dmacHw_REG64_t ClearErr; /* Clear for IntErr Interrupt */ + dmacHw_REG64_t StatusInt; /* Status for each interrupt type */ +} dmacHw_INT_CLEAR_t; + +/* Data type for software handshaking registers */ +typedef struct { + dmacHw_REG64_t ReqSrcReg; /* Source Software Transaction Request Register */ + dmacHw_REG64_t ReqDstReg; /* Destination Software Transaction Request Register */ + dmacHw_REG64_t SglReqSrcReg; /* Single Source Transaction Request Register */ + dmacHw_REG64_t SglReqDstReg; /* Single Destination Transaction Request Register */ + dmacHw_REG64_t LstSrcReg; /* Last Source Transaction Request Register */ + dmacHw_REG64_t LstDstReg; /* Last Destination Transaction Request Register */ +} dmacHw_SW_HANDSHAKE_t; + +/* Data type for misc. registers */ +typedef struct { + dmacHw_REG64_t DmaCfgReg; /* DMA Configuration Register */ + dmacHw_REG64_t ChEnReg; /* DMA Channel Enable Register */ + dmacHw_REG64_t DmaIdReg; /* DMA ID Register */ + dmacHw_REG64_t DmaTestReg; /* DMA Test Register */ + dmacHw_REG64_t Reserved0; /* Reserved */ + dmacHw_REG64_t Reserved1; /* Reserved */ + dmacHw_REG64_t CompParm6; /* Component Parameter 6 */ + dmacHw_REG64_t CompParm5; /* Component Parameter 5 */ + dmacHw_REG64_t CompParm4; /* Component Parameter 4 */ + dmacHw_REG64_t CompParm3; /* Component Parameter 3 */ + dmacHw_REG64_t CompParm2; /* Component Parameter 2 */ + dmacHw_REG64_t CompParm1; /* Component Parameter 1 */ + dmacHw_REG64_t CompId; /* Compoent ID */ +} dmacHw_MISC_t; + +/* Base registers */ +#define dmacHw_0_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA0 /* DMAC 0 module's base address */ +#define dmacHw_1_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA1 /* DMAC 1 module's base address */ + +extern uint32_t dmaChannelCount_0; +extern uint32_t dmaChannelCount_1; + +/* Define channel specific registers */ +#define dmacHw_CHAN_BASE(module, chan) ((dmacHw_CH_REG_t *) ((char *)((module) ? dmacHw_1_MODULE_BASE_ADDR : dmacHw_0_MODULE_BASE_ADDR) + ((chan) * sizeof(dmacHw_CH_REG_t)))) + +/* Raw interrupt status registers */ +#define dmacHw_REG_INT_RAW_BASE(module) ((char *)dmacHw_CHAN_BASE((module), ((module) ? dmaChannelCount_1 : dmaChannelCount_0))) +#define dmacHw_REG_INT_RAW_TRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawTfr.lo) +#define dmacHw_REG_INT_RAW_BLOCK(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawBlock.lo) +#define dmacHw_REG_INT_RAW_STRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawSrcTran.lo) +#define dmacHw_REG_INT_RAW_DTRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawDstTran.lo) +#define dmacHw_REG_INT_RAW_ERROR(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawErr.lo) + +/* Interrupt status registers */ +#define dmacHw_REG_INT_STAT_BASE(module) ((char *)(dmacHw_REG_INT_RAW_BASE((module)) + sizeof(dmacHw_INT_RAW_t))) +#define dmacHw_REG_INT_STAT_TRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusTfr.lo) +#define dmacHw_REG_INT_STAT_BLOCK(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusBlock.lo) +#define dmacHw_REG_INT_STAT_STRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusSrcTran.lo) +#define dmacHw_REG_INT_STAT_DTRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusDstTran.lo) +#define dmacHw_REG_INT_STAT_ERROR(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusErr.lo) + +/* Interrupt status registers */ +#define dmacHw_REG_INT_MASK_BASE(module) ((char *)(dmacHw_REG_INT_STAT_BASE((module)) + sizeof(dmacHw_INT_STATUS_t))) +#define dmacHw_REG_INT_MASK_TRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskTfr.lo) +#define dmacHw_REG_INT_MASK_BLOCK(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskBlock.lo) +#define dmacHw_REG_INT_MASK_STRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskSrcTran.lo) +#define dmacHw_REG_INT_MASK_DTRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskDstTran.lo) +#define dmacHw_REG_INT_MASK_ERROR(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskErr.lo) + +/* Interrupt clear registers */ +#define dmacHw_REG_INT_CLEAR_BASE(module) ((char *)(dmacHw_REG_INT_MASK_BASE((module)) + sizeof(dmacHw_INT_MASK_t))) +#define dmacHw_REG_INT_CLEAR_TRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearTfr.lo) +#define dmacHw_REG_INT_CLEAR_BLOCK(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearBlock.lo) +#define dmacHw_REG_INT_CLEAR_STRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearSrcTran.lo) +#define dmacHw_REG_INT_CLEAR_DTRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearDstTran.lo) +#define dmacHw_REG_INT_CLEAR_ERROR(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearErr.lo) +#define dmacHw_REG_INT_STATUS(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->StatusInt.lo) + +/* Software handshaking registers */ +#define dmacHw_REG_SW_HS_BASE(module) ((char *)(dmacHw_REG_INT_CLEAR_BASE((module)) + sizeof(dmacHw_INT_CLEAR_t))) +#define dmacHw_REG_SW_HS_SRC_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqSrcReg.lo) +#define dmacHw_REG_SW_HS_DST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqDstReg.lo) +#define dmacHw_REG_SW_HS_SRC_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqSrcReg.lo) +#define dmacHw_REG_SW_HS_DST_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqDstReg.lo) +#define dmacHw_REG_SW_HS_SRC_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstSrcReg.lo) +#define dmacHw_REG_SW_HS_DST_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstDstReg.lo) + +/* Miscellaneous registers */ +#define dmacHw_REG_MISC_BASE(module) ((char *)(dmacHw_REG_SW_HS_BASE((module)) + sizeof(dmacHw_SW_HANDSHAKE_t))) +#define dmacHw_REG_MISC_CFG(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaCfgReg.lo) +#define dmacHw_REG_MISC_CH_ENABLE(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->ChEnReg.lo) +#define dmacHw_REG_MISC_ID(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaIdReg.lo) +#define dmacHw_REG_MISC_TEST(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaTestReg.lo) +#define dmacHw_REG_MISC_COMP_PARAM1_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.lo) +#define dmacHw_REG_MISC_COMP_PARAM1_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.hi) +#define dmacHw_REG_MISC_COMP_PARAM2_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.lo) +#define dmacHw_REG_MISC_COMP_PARAM2_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.hi) +#define dmacHw_REG_MISC_COMP_PARAM3_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.lo) +#define dmacHw_REG_MISC_COMP_PARAM3_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.hi) +#define dmacHw_REG_MISC_COMP_PARAM4_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.lo) +#define dmacHw_REG_MISC_COMP_PARAM4_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.hi) +#define dmacHw_REG_MISC_COMP_PARAM5_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.lo) +#define dmacHw_REG_MISC_COMP_PARAM5_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.hi) +#define dmacHw_REG_MISC_COMP_PARAM6_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.lo) +#define dmacHw_REG_MISC_COMP_PARAM6_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.hi) + +/* Channel control registers */ +#define dmacHw_REG_SAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSar.lo) +#define dmacHw_REG_DAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDar.lo) +#define dmacHw_REG_LLP(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelLlp.lo) + +#define dmacHw_REG_CTL_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.lo) +#define dmacHw_REG_CTL_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.hi) + +#define dmacHw_REG_SSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstat.lo) +#define dmacHw_REG_DSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstat.lo) +#define dmacHw_REG_SSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstatAddr.lo) +#define dmacHw_REG_DSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstatAddr.lo) + +#define dmacHw_REG_CFG_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.lo) +#define dmacHw_REG_CFG_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.hi) + +#define dmacHw_REG_SGR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.lo) +#define dmacHw_REG_SGR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.hi) + +#define dmacHw_REG_DSR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.lo) +#define dmacHw_REG_DSR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.hi) + +#define INT_STATUS_MASK(channel) (0x00000001 << (channel)) +#define CHANNEL_BUSY(mod, channel) (dmacHw_REG_MISC_CH_ENABLE((mod)) & (0x00000001 << (channel))) + +/* Bit mask for REG_DMACx_CTL_LO */ + +#define dmacHw_REG_CTL_INT_EN 0x00000001 /* Channel interrupt enable */ + +#define dmacHw_REG_CTL_DST_TR_WIDTH_MASK 0x0000000E /* Destination transaction width mask */ +#define dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT 1 +#define dmacHw_REG_CTL_DST_TR_WIDTH_8 0x00000000 /* Destination transaction width 8 bit */ +#define dmacHw_REG_CTL_DST_TR_WIDTH_16 0x00000002 /* Destination transaction width 16 bit */ +#define dmacHw_REG_CTL_DST_TR_WIDTH_32 0x00000004 /* Destination transaction width 32 bit */ +#define dmacHw_REG_CTL_DST_TR_WIDTH_64 0x00000006 /* Destination transaction width 64 bit */ + +#define dmacHw_REG_CTL_SRC_TR_WIDTH_MASK 0x00000070 /* Source transaction width mask */ +#define dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT 4 +#define dmacHw_REG_CTL_SRC_TR_WIDTH_8 0x00000000 /* Source transaction width 8 bit */ +#define dmacHw_REG_CTL_SRC_TR_WIDTH_16 0x00000010 /* Source transaction width 16 bit */ +#define dmacHw_REG_CTL_SRC_TR_WIDTH_32 0x00000020 /* Source transaction width 32 bit */ +#define dmacHw_REG_CTL_SRC_TR_WIDTH_64 0x00000030 /* Source transaction width 64 bit */ + +#define dmacHw_REG_CTL_DS_ENABLE 0x00040000 /* Destination scatter enable */ +#define dmacHw_REG_CTL_SG_ENABLE 0x00020000 /* Source gather enable */ + +#define dmacHw_REG_CTL_DINC_MASK 0x00000180 /* Destination address inc/dec mask */ +#define dmacHw_REG_CTL_DINC_INC 0x00000000 /* Destination address increment */ +#define dmacHw_REG_CTL_DINC_DEC 0x00000080 /* Destination address decrement */ +#define dmacHw_REG_CTL_DINC_NC 0x00000100 /* Destination address no change */ + +#define dmacHw_REG_CTL_SINC_MASK 0x00000600 /* Source address inc/dec mask */ +#define dmacHw_REG_CTL_SINC_INC 0x00000000 /* Source address increment */ +#define dmacHw_REG_CTL_SINC_DEC 0x00000200 /* Source address decrement */ +#define dmacHw_REG_CTL_SINC_NC 0x00000400 /* Source address no change */ + +#define dmacHw_REG_CTL_DST_MSIZE_MASK 0x00003800 /* Destination burst transaction length */ +#define dmacHw_REG_CTL_DST_MSIZE_0 0x00000000 /* No Destination burst */ +#define dmacHw_REG_CTL_DST_MSIZE_4 0x00000800 /* Destination burst transaction length 4 */ +#define dmacHw_REG_CTL_DST_MSIZE_8 0x00001000 /* Destination burst transaction length 8 */ +#define dmacHw_REG_CTL_DST_MSIZE_16 0x00001800 /* Destination burst transaction length 16 */ + +#define dmacHw_REG_CTL_SRC_MSIZE_MASK 0x0001C000 /* Source burst transaction length */ +#define dmacHw_REG_CTL_SRC_MSIZE_0 0x00000000 /* No Source burst */ +#define dmacHw_REG_CTL_SRC_MSIZE_4 0x00004000 /* Source burst transaction length 4 */ +#define dmacHw_REG_CTL_SRC_MSIZE_8 0x00008000 /* Source burst transaction length 8 */ +#define dmacHw_REG_CTL_SRC_MSIZE_16 0x0000C000 /* Source burst transaction length 16 */ + +#define dmacHw_REG_CTL_TTFC_MASK 0x00700000 /* Transfer type and flow controller */ +#define dmacHw_REG_CTL_TTFC_MM_DMAC 0x00000000 /* Memory to Memory with DMAC as flow controller */ +#define dmacHw_REG_CTL_TTFC_MP_DMAC 0x00100000 /* Memory to Peripheral with DMAC as flow controller */ +#define dmacHw_REG_CTL_TTFC_PM_DMAC 0x00200000 /* Peripheral to Memory with DMAC as flow controller */ +#define dmacHw_REG_CTL_TTFC_PP_DMAC 0x00300000 /* Peripheral to Peripheral with DMAC as flow controller */ +#define dmacHw_REG_CTL_TTFC_PM_PERI 0x00400000 /* Peripheral to Memory with Peripheral as flow controller */ +#define dmacHw_REG_CTL_TTFC_PP_SPERI 0x00500000 /* Peripheral to Peripheral with Source Peripheral as flow controller */ +#define dmacHw_REG_CTL_TTFC_MP_PERI 0x00600000 /* Memory to Peripheral with Peripheral as flow controller */ +#define dmacHw_REG_CTL_TTFC_PP_DPERI 0x00700000 /* Peripheral to Peripheral with Destination Peripheral as flow controller */ + +#define dmacHw_REG_CTL_DMS_MASK 0x01800000 /* Destination AHB master interface */ +#define dmacHw_REG_CTL_DMS_1 0x00000000 /* Destination AHB master interface 1 */ +#define dmacHw_REG_CTL_DMS_2 0x00800000 /* Destination AHB master interface 2 */ + +#define dmacHw_REG_CTL_SMS_MASK 0x06000000 /* Source AHB master interface */ +#define dmacHw_REG_CTL_SMS_1 0x00000000 /* Source AHB master interface 1 */ +#define dmacHw_REG_CTL_SMS_2 0x02000000 /* Source AHB master interface 2 */ + +#define dmacHw_REG_CTL_LLP_DST_EN 0x08000000 /* Block chaining enable for destination side */ +#define dmacHw_REG_CTL_LLP_SRC_EN 0x10000000 /* Block chaining enable for source side */ + +/* Bit mask for REG_DMACx_CTL_HI */ +#define dmacHw_REG_CTL_BLOCK_TS_MASK 0x00000FFF /* Block transfer size */ +#define dmacHw_REG_CTL_DONE 0x00001000 /* Block trasnfer done */ + +/* Bit mask for REG_DMACx_CFG_LO */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_SHIFT 5 /* Channel priority shift */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_MASK 0x000000E0 /* Channel priority mask */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_0 0x00000000 /* Channel priority 0 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_1 0x00000020 /* Channel priority 1 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_2 0x00000040 /* Channel priority 2 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_3 0x00000060 /* Channel priority 3 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_4 0x00000080 /* Channel priority 4 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_5 0x000000A0 /* Channel priority 5 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_6 0x000000C0 /* Channel priority 6 */ +#define dmacHw_REG_CFG_LO_CH_PRIORITY_7 0x000000E0 /* Channel priority 7 */ + +#define dmacHw_REG_CFG_LO_CH_SUSPEND 0x00000100 /* Channel suspend */ +#define dmacHw_REG_CFG_LO_CH_FIFO_EMPTY 0x00000200 /* Channel FIFO empty */ +#define dmacHw_REG_CFG_LO_DST_CH_SW_HS 0x00000400 /* Destination channel SW handshaking */ +#define dmacHw_REG_CFG_LO_SRC_CH_SW_HS 0x00000800 /* Source channel SW handshaking */ + +#define dmacHw_REG_CFG_LO_CH_LOCK_MASK 0x00003000 /* Channel locking mask */ +#define dmacHw_REG_CFG_LO_CH_LOCK_DMA 0x00000000 /* Channel lock over the entire DMA transfer operation */ +#define dmacHw_REG_CFG_LO_CH_LOCK_BLOCK 0x00001000 /* Channel lock over the block transfer operation */ +#define dmacHw_REG_CFG_LO_CH_LOCK_TRANS 0x00002000 /* Channel lock over the transaction */ +#define dmacHw_REG_CFG_LO_CH_LOCK_ENABLE 0x00010000 /* Channel lock enable */ + +#define dmacHw_REG_CFG_LO_BUS_LOCK_MASK 0x0000C000 /* Bus locking mask */ +#define dmacHw_REG_CFG_LO_BUS_LOCK_DMA 0x00000000 /* Bus lock over the entire DMA transfer operation */ +#define dmacHw_REG_CFG_LO_BUS_LOCK_BLOCK 0x00004000 /* Bus lock over the block transfer operation */ +#define dmacHw_REG_CFG_LO_BUS_LOCK_TRANS 0x00008000 /* Bus lock over the transaction */ +#define dmacHw_REG_CFG_LO_BUS_LOCK_ENABLE 0x00020000 /* Bus lock enable */ + +#define dmacHw_REG_CFG_LO_DST_HS_POLARITY_LOW 0x00040000 /* Destination channel handshaking signal polarity low */ +#define dmacHw_REG_CFG_LO_SRC_HS_POLARITY_LOW 0x00080000 /* Source channel handshaking signal polarity low */ + +#define dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK 0x3FF00000 /* Maximum AMBA burst length */ + +#define dmacHw_REG_CFG_LO_AUTO_RELOAD_SRC 0x40000000 /* Source address auto reload */ +#define dmacHw_REG_CFG_LO_AUTO_RELOAD_DST 0x80000000 /* Destination address auto reload */ + +/* Bit mask for REG_DMACx_CFG_HI */ +#define dmacHw_REG_CFG_HI_FC_DST_READY 0x00000001 /* Source transaction request is serviced when destination is ready */ +#define dmacHw_REG_CFG_HI_FIFO_ENOUGH 0x00000002 /* Initiate burst transaction when enough data in available in FIFO */ + +#define dmacHw_REG_CFG_HI_AHB_HPROT_MASK 0x0000001C /* AHB protection mask */ +#define dmacHw_REG_CFG_HI_AHB_HPROT_1 0x00000004 /* AHB protection 1 */ +#define dmacHw_REG_CFG_HI_AHB_HPROT_2 0x00000008 /* AHB protection 2 */ +#define dmacHw_REG_CFG_HI_AHB_HPROT_3 0x00000010 /* AHB protection 3 */ + +#define dmacHw_REG_CFG_HI_UPDATE_DST_STAT 0x00000020 /* Destination status update enable */ +#define dmacHw_REG_CFG_HI_UPDATE_SRC_STAT 0x00000040 /* Source status update enable */ + +#define dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK 0x00000780 /* Source peripheral hardware interface mask */ +#define dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK 0x00007800 /* Destination peripheral hardware interface mask */ + +/* DMA Configuration Parameters */ +#define dmacHw_REG_COMP_PARAM_NUM_CHANNELS 0x00000700 /* Number of channels */ +#define dmacHw_REG_COMP_PARAM_NUM_INTERFACE 0x00001800 /* Number of master interface */ +#define dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE 0x0000000f /* Maximum brust size */ +#define dmacHw_REG_COMP_PARAM_DATA_WIDTH 0x00006000 /* Data transfer width */ + +/* Define GET/SET macros to program the registers */ +#define dmacHw_SET_SAR(module, channel, addr) (dmacHw_REG_SAR((module), (channel)) = (uint32_t) (addr)) +#define dmacHw_SET_DAR(module, channel, addr) (dmacHw_REG_DAR((module), (channel)) = (uint32_t) (addr)) +#define dmacHw_SET_LLP(module, channel, ptr) (dmacHw_REG_LLP((module), (channel)) = (uint32_t) (ptr)) + +#define dmacHw_GET_SSTAT(module, channel) (dmacHw_REG_SSTAT((module), (channel))) +#define dmacHw_GET_DSTAT(module, channel) (dmacHw_REG_DSTAT((module), (channel))) + +#define dmacHw_SET_SSTATAR(module, channel, addr) (dmacHw_REG_SSTATAR((module), (channel)) = (uint32_t) (addr)) +#define dmacHw_SET_DSTATAR(module, channel, addr) (dmacHw_REG_DSTATAR((module), (channel)) = (uint32_t) (addr)) + +#define dmacHw_SET_CONTROL_LO(module, channel, ctl) (dmacHw_REG_CTL_LO((module), (channel)) |= (ctl)) +#define dmacHw_RESET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel)) = 0) +#define dmacHw_GET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel))) + +#define dmacHw_SET_CONTROL_HI(module, channel, ctl) (dmacHw_REG_CTL_HI((module), (channel)) |= (ctl)) +#define dmacHw_RESET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) = 0) +#define dmacHw_GET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel))) + +#define dmacHw_GET_BLOCK_SIZE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_BLOCK_TS_MASK) +#define dmacHw_DMA_COMPLETE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_DONE) + +#define dmacHw_SET_CONFIG_LO(module, channel, cfg) (dmacHw_REG_CFG_LO((module), (channel)) |= (cfg)) +#define dmacHw_RESET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel)) = 0) +#define dmacHw_GET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel))) +#define dmacHw_SET_AMBA_BUSRT_LEN(module, channel, len) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK)) | (((len) << 20) & dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK)) +#define dmacHw_SET_CHANNEL_PRIORITY(module, channel, prio) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_CH_PRIORITY_MASK)) | (prio)) +#define dmacHw_SET_AHB_HPROT(module, channel, protect) (dmacHw_REG_CFG_HI(module, channel) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_AHB_HPROT_MASK)) | (protect)) + +#define dmacHw_SET_CONFIG_HI(module, channel, cfg) (dmacHw_REG_CFG_HI((module), (channel)) |= (cfg)) +#define dmacHw_RESET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel)) = 0) +#define dmacHw_GET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel))) +#define dmacHw_SET_SRC_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)) | (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)) +#define dmacHw_SRC_PERI_INTF(intf) (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK) +#define dmacHw_SET_DST_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)) | (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)) +#define dmacHw_DST_PERI_INTF(intf) (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK) + +#define dmacHw_DMA_START(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) +#define dmacHw_DMA_STOP(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8))) +#define dmacHw_DMA_ENABLE(module) (dmacHw_REG_MISC_CFG((module)) = 1) +#define dmacHw_DMA_DISABLE(module) (dmacHw_REG_MISC_CFG((module)) = 0) + +#define dmacHw_TRAN_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) +#define dmacHw_BLOCK_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) +#define dmacHw_ERROR_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) + +#define dmacHw_TRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8))) +#define dmacHw_BLOCK_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8))) +#define dmacHw_ERROR_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8))) +#define dmacHw_STRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_STRAN((module)) = (0x00000001 << ((channel) + 8))) +#define dmacHw_DTRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_DTRAN((module)) = (0x00000001 << ((channel) + 8))) + +#define dmacHw_TRAN_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_TRAN((module)) = (0x00000001 << (channel))) +#define dmacHw_BLOCK_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_BLOCK((module)) = (0x00000001 << (channel))) +#define dmacHw_ERROR_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_ERROR((module)) = (0x00000001 << (channel))) + +#define dmacHw_GET_NUM_CHANNEL(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_CHANNELS) >> 8) + 1) +#define dmacHw_GET_NUM_INTERFACE(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_INTERFACE) >> 11) + 1) +#define dmacHw_GET_MAX_BLOCK_SIZE(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_LO((module)) >> (4 * (channel))) & dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE) +#define dmacHw_GET_CHANNEL_DATA_WIDTH(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_DATA_WIDTH) >> 13) + +#endif /* _DMACHW_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/hw_cfg.h b/arch/arm/mach-bcmring/include/mach/csp/hw_cfg.h new file mode 100644 index 0000000..cfa91be --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/hw_cfg.h @@ -0,0 +1,73 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + +#ifndef CSP_HW_CFG_H +#define CSP_HW_CFG_H + +/* ---- Include Files ---------------------------------------------------- */ + +#include <cfg_global.h> +#include <mach/csp/cap_inline.h> + +#if defined(__KERNEL__) +#include <mach/memory_settings.h> +#else +#include <hw_cfg.h> +#endif + +/* Some items that can be defined externally, but will be set to default values */ +/* if they are not defined. */ +/* HW_CFG_PLL_SPREAD_SPECTRUM_DISABLE Default undefined and SS is enabled. */ +/* HW_CFG_SDRAM_CAS_LATENCY 5 Default 5, Values [3..6] */ +/* HW_CFG_SDRAM_CHIP_SELECT_CNT 1 Default 1, Vaules [1..2] */ +/* HW_CFG_SDRAM_SPEED_GRADE 667 Default 667, Values [400,533,667,800] */ +/* HW_CFG_SDRAM_WIDTH_BITS 16 Default 16, Vaules [8,16] */ +/* HW_CFG_SDRAM_ADDR_BRC Default undefined and Row-Bank-Col (RBC) addressing used. Define to use Bank-Row-Col (BRC). */ +/* HW_CFG_SDRAM_CLK_ASYNC Default undefined and DDR clock is synchronous with AXI BUS clock. Define for ASYNC mode. */ + +#if defined(CFG_GLOBAL_CHIP) + #if (CFG_GLOBAL_CHIP == FPGA11107) + #define HW_CFG_BUS_CLK_HZ 5000000 + #define HW_CFG_DDR_CTLR_CLK_HZ 10000000 + #define HW_CFG_DDR_PHY_OMIT + #define HW_CFG_UART_CLK_HZ 7500000 + #else + #define HW_CFG_PLL_VCO_HZ 2000000000 + #define HW_CFG_PLL2_VCO_HZ 1800000000 + #define HW_CFG_ARM_CLK_HZ CAP_HW_CFG_ARM_CLK_HZ + #define HW_CFG_BUS_CLK_HZ 166666666 + #define HW_CFG_DDR_CTLR_CLK_HZ 333333333 + #define HW_CFG_DDR_PHY_CLK_HZ (2 * HW_CFG_DDR_CTLR_CLK_HZ) + #define HW_CFG_UART_CLK_HZ 142857142 + #define HW_CFG_VPM_CLK_HZ CAP_HW_CFG_VPM_CLK_HZ + #endif +#else + #define HW_CFG_PLL_VCO_HZ 1800000000 + #define HW_CFG_PLL2_VCO_HZ 1800000000 + #define HW_CFG_ARM_CLK_HZ 450000000 + #define HW_CFG_BUS_CLK_HZ 150000000 + #define HW_CFG_DDR_CTLR_CLK_HZ 300000000 + #define HW_CFG_DDR_PHY_CLK_HZ (2 * HW_CFG_DDR_CTLR_CLK_HZ) + #define HW_CFG_UART_CLK_HZ 150000000 + #define HW_CFG_VPM_CLK_HZ 300000000 +#endif + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + + +#endif /* CSP_HW_CFG_H */ + diff --git a/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h new file mode 100644 index 0000000..e01fc46 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h @@ -0,0 +1,246 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file intcHw_reg.h +* +* @brief platform specific interrupt controller bit assignments +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _INTCHW_REG_H +#define _INTCHW_REG_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <csp/stdint.h> +#include <csp/reg.h> +#include <mach/csp/mm_io.h> + +/* ---- Public Constants and Types --------------------------------------- */ + +#define INTCHW_NUM_IRQ_PER_INTC 32 /* Maximum number of interrupt controllers */ +#define INTCHW_NUM_INTC 3 + +/* Defines for interrupt controllers. This simplifies and cleans up the function calls. */ +#define INTCHW_INTC0 ((void *)MM_IO_BASE_INTC0) +#define INTCHW_INTC1 ((void *)MM_IO_BASE_INTC1) +#define INTCHW_SINTC ((void *)MM_IO_BASE_SINTC) + +/* INTC0 - interrupt controller 0 */ +#define INTCHW_INTC0_PIF_BITNUM 31 /* Peripheral interface interrupt */ +#define INTCHW_INTC0_CLCD_BITNUM 30 /* LCD Controller interrupt */ +#define INTCHW_INTC0_GE_BITNUM 29 /* Graphic engine interrupt */ +#define INTCHW_INTC0_APM_BITNUM 28 /* Audio process module interrupt */ +#define INTCHW_INTC0_ESW_BITNUM 27 /* Ethernet switch interrupt */ +#define INTCHW_INTC0_SPIH_BITNUM 26 /* SPI host interrupt */ +#define INTCHW_INTC0_TIMER3_BITNUM 25 /* Timer3 interrupt */ +#define INTCHW_INTC0_TIMER2_BITNUM 24 /* Timer2 interrupt */ +#define INTCHW_INTC0_TIMER1_BITNUM 23 /* Timer1 interrupt */ +#define INTCHW_INTC0_TIMER0_BITNUM 22 /* Timer0 interrupt */ +#define INTCHW_INTC0_SDIOH1_BITNUM 21 /* SDIO1 host interrupt */ +#define INTCHW_INTC0_SDIOH0_BITNUM 20 /* SDIO0 host interrupt */ +#define INTCHW_INTC0_USBD_BITNUM 19 /* USB device interrupt */ +#define INTCHW_INTC0_USBH1_BITNUM 18 /* USB1 host interrupt */ +#define INTCHW_INTC0_USBHD2_BITNUM 17 /* USB host2/device2 interrupt */ +#define INTCHW_INTC0_VPM_BITNUM 16 /* Voice process module interrupt */ +#define INTCHW_INTC0_DMA1C7_BITNUM 15 /* DMA1 channel 7 interrupt */ +#define INTCHW_INTC0_DMA1C6_BITNUM 14 /* DMA1 channel 6 interrupt */ +#define INTCHW_INTC0_DMA1C5_BITNUM 13 /* DMA1 channel 5 interrupt */ +#define INTCHW_INTC0_DMA1C4_BITNUM 12 /* DMA1 channel 4 interrupt */ +#define INTCHW_INTC0_DMA1C3_BITNUM 11 /* DMA1 channel 3 interrupt */ +#define INTCHW_INTC0_DMA1C2_BITNUM 10 /* DMA1 channel 2 interrupt */ +#define INTCHW_INTC0_DMA1C1_BITNUM 9 /* DMA1 channel 1 interrupt */ +#define INTCHW_INTC0_DMA1C0_BITNUM 8 /* DMA1 channel 0 interrupt */ +#define INTCHW_INTC0_DMA0C7_BITNUM 7 /* DMA0 channel 7 interrupt */ +#define INTCHW_INTC0_DMA0C6_BITNUM 6 /* DMA0 channel 6 interrupt */ +#define INTCHW_INTC0_DMA0C5_BITNUM 5 /* DMA0 channel 5 interrupt */ +#define INTCHW_INTC0_DMA0C4_BITNUM 4 /* DMA0 channel 4 interrupt */ +#define INTCHW_INTC0_DMA0C3_BITNUM 3 /* DMA0 channel 3 interrupt */ +#define INTCHW_INTC0_DMA0C2_BITNUM 2 /* DMA0 channel 2 interrupt */ +#define INTCHW_INTC0_DMA0C1_BITNUM 1 /* DMA0 channel 1 interrupt */ +#define INTCHW_INTC0_DMA0C0_BITNUM 0 /* DMA0 channel 0 interrupt */ + +#define INTCHW_INTC0_PIF (1<<INTCHW_INTC0_PIF_BITNUM) +#define INTCHW_INTC0_CLCD (1<<INTCHW_INTC0_CLCD_BITNUM) +#define INTCHW_INTC0_GE (1<<INTCHW_INTC0_GE_BITNUM) +#define INTCHW_INTC0_APM (1<<INTCHW_INTC0_APM_BITNUM) +#define INTCHW_INTC0_ESW (1<<INTCHW_INTC0_ESW_BITNUM) +#define INTCHW_INTC0_SPIH (1<<INTCHW_INTC0_SPIH_BITNUM) +#define INTCHW_INTC0_TIMER3 (1<<INTCHW_INTC0_TIMER3_BITNUM) +#define INTCHW_INTC0_TIMER2 (1<<INTCHW_INTC0_TIMER2_BITNUM) +#define INTCHW_INTC0_TIMER1 (1<<INTCHW_INTC0_TIMER1_BITNUM) +#define INTCHW_INTC0_TIMER0 (1<<INTCHW_INTC0_TIMER0_BITNUM) +#define INTCHW_INTC0_SDIOH1 (1<<INTCHW_INTC0_SDIOH1_BITNUM) +#define INTCHW_INTC0_SDIOH0 (1<<INTCHW_INTC0_SDIOH0_BITNUM) +#define INTCHW_INTC0_USBD (1<<INTCHW_INTC0_USBD_BITNUM) +#define INTCHW_INTC0_USBH1 (1<<INTCHW_INTC0_USBH1_BITNUM) +#define INTCHW_INTC0_USBHD2 (1<<INTCHW_INTC0_USBHD2_BITNUM) +#define INTCHW_INTC0_VPM (1<<INTCHW_INTC0_VPM_BITNUM) +#define INTCHW_INTC0_DMA1C7 (1<<INTCHW_INTC0_DMA1C7_BITNUM) +#define INTCHW_INTC0_DMA1C6 (1<<INTCHW_INTC0_DMA1C6_BITNUM) +#define INTCHW_INTC0_DMA1C5 (1<<INTCHW_INTC0_DMA1C5_BITNUM) +#define INTCHW_INTC0_DMA1C4 (1<<INTCHW_INTC0_DMA1C4_BITNUM) +#define INTCHW_INTC0_DMA1C3 (1<<INTCHW_INTC0_DMA1C3_BITNUM) +#define INTCHW_INTC0_DMA1C2 (1<<INTCHW_INTC0_DMA1C2_BITNUM) +#define INTCHW_INTC0_DMA1C1 (1<<INTCHW_INTC0_DMA1C1_BITNUM) +#define INTCHW_INTC0_DMA1C0 (1<<INTCHW_INTC0_DMA1C0_BITNUM) +#define INTCHW_INTC0_DMA0C7 (1<<INTCHW_INTC0_DMA0C7_BITNUM) +#define INTCHW_INTC0_DMA0C6 (1<<INTCHW_INTC0_DMA0C6_BITNUM) +#define INTCHW_INTC0_DMA0C5 (1<<INTCHW_INTC0_DMA0C5_BITNUM) +#define INTCHW_INTC0_DMA0C4 (1<<INTCHW_INTC0_DMA0C4_BITNUM) +#define INTCHW_INTC0_DMA0C3 (1<<INTCHW_INTC0_DMA0C3_BITNUM) +#define INTCHW_INTC0_DMA0C2 (1<<INTCHW_INTC0_DMA0C2_BITNUM) +#define INTCHW_INTC0_DMA0C1 (1<<INTCHW_INTC0_DMA0C1_BITNUM) +#define INTCHW_INTC0_DMA0C0 (1<<INTCHW_INTC0_DMA0C0_BITNUM) + +/* INTC1 - interrupt controller 1 */ +#define INTCHW_INTC1_DDRVPMP_BITNUM 27 /* DDR and VPM PLL clock phase relationship interupt (Not for A0) */ +#define INTCHW_INTC1_DDRVPMT_BITNUM 26 /* DDR and VPM HW phase align timeout interrupt (Not for A0) */ +#define INTCHW_INTC1_DDRP_BITNUM 26 /* DDR and PLL clock phase relationship interupt (For A0 only)) */ +#define INTCHW_INTC1_RTC2_BITNUM 25 /* Real time clock tamper interrupt */ +#define INTCHW_INTC1_VDEC_BITNUM 24 /* Hantro Video Decoder interrupt */ +/* Bits 13-23 are non-secure versions of the corresponding secure bits in SINTC bits 0-10. */ +#define INTCHW_INTC1_SPUM_BITNUM 23 /* Secure process module interrupt */ +#define INTCHW_INTC1_RTC1_BITNUM 22 /* Real time clock one-shot interrupt */ +#define INTCHW_INTC1_RTC0_BITNUM 21 /* Real time clock periodic interrupt */ +#define INTCHW_INTC1_RNG_BITNUM 20 /* Random number generator interrupt */ +#define INTCHW_INTC1_FMPU_BITNUM 19 /* Flash memory parition unit interrupt */ +#define INTCHW_INTC1_VMPU_BITNUM 18 /* VRAM memory partition interrupt */ +#define INTCHW_INTC1_DMPU_BITNUM 17 /* DDR2 memory partition interrupt */ +#define INTCHW_INTC1_KEYC_BITNUM 16 /* Key pad controller interrupt */ +#define INTCHW_INTC1_TSC_BITNUM 15 /* Touch screen controller interrupt */ +#define INTCHW_INTC1_UART0_BITNUM 14 /* UART 0 */ +#define INTCHW_INTC1_WDOG_BITNUM 13 /* Watchdog timer interrupt */ + +#define INTCHW_INTC1_UART1_BITNUM 12 /* UART 1 */ +#define INTCHW_INTC1_PMUIRQ_BITNUM 11 /* ARM performance monitor interrupt */ +#define INTCHW_INTC1_COMMRX_BITNUM 10 /* ARM DDC receive interrupt */ +#define INTCHW_INTC1_COMMTX_BITNUM 9 /* ARM DDC transmit interrupt */ +#define INTCHW_INTC1_FLASHC_BITNUM 8 /* Flash controller interrupt */ +#define INTCHW_INTC1_GPHY_BITNUM 7 /* Gigabit Phy interrupt */ +#define INTCHW_INTC1_SPIS_BITNUM 6 /* SPI slave interrupt */ +#define INTCHW_INTC1_I2CS_BITNUM 5 /* I2C slave interrupt */ +#define INTCHW_INTC1_I2CH_BITNUM 4 /* I2C host interrupt */ +#define INTCHW_INTC1_I2S1_BITNUM 3 /* I2S1 interrupt */ +#define INTCHW_INTC1_I2S0_BITNUM 2 /* I2S0 interrupt */ +#define INTCHW_INTC1_GPIO1_BITNUM 1 /* GPIO bit 64//32 combined interrupt */ +#define INTCHW_INTC1_GPIO0_BITNUM 0 /* GPIO bit 31//0 combined interrupt */ + +#define INTCHW_INTC1_DDRVPMT (1<<INTCHW_INTC1_DDRVPMT_BITNUM) +#define INTCHW_INTC1_DDRVPMP (1<<INTCHW_INTC1_DDRVPMP_BITNUM) +#define INTCHW_INTC1_DDRP (1<<INTCHW_INTC1_DDRP_BITNUM) +#define INTCHW_INTC1_VDEC (1<<INTCHW_INTC1_VDEC_BITNUM) +#define INTCHW_INTC1_SPUM (1<<INTCHW_INTC1_SPUM_BITNUM) +#define INTCHW_INTC1_RTC2 (1<<INTCHW_INTC1_RTC2_BITNUM) +#define INTCHW_INTC1_RTC1 (1<<INTCHW_INTC1_RTC1_BITNUM) +#define INTCHW_INTC1_RTC0 (1<<INTCHW_INTC1_RTC0_BITNUM) +#define INTCHW_INTC1_RNG (1<<INTCHW_INTC1_RNG_BITNUM) +#define INTCHW_INTC1_FMPU (1<<INTCHW_INTC1_FMPU_BITNUM) +#define INTCHW_INTC1_IMPU (1<<INTCHW_INTC1_IMPU_BITNUM) +#define INTCHW_INTC1_DMPU (1<<INTCHW_INTC1_DMPU_BITNUM) +#define INTCHW_INTC1_KEYC (1<<INTCHW_INTC1_KEYC_BITNUM) +#define INTCHW_INTC1_TSC (1<<INTCHW_INTC1_TSC_BITNUM) +#define INTCHW_INTC1_UART0 (1<<INTCHW_INTC1_UART0_BITNUM) +#define INTCHW_INTC1_WDOG (1<<INTCHW_INTC1_WDOG_BITNUM) +#define INTCHW_INTC1_UART1 (1<<INTCHW_INTC1_UART1_BITNUM) +#define INTCHW_INTC1_PMUIRQ (1<<INTCHW_INTC1_PMUIRQ_BITNUM) +#define INTCHW_INTC1_COMMRX (1<<INTCHW_INTC1_COMMRX_BITNUM) +#define INTCHW_INTC1_COMMTX (1<<INTCHW_INTC1_COMMTX_BITNUM) +#define INTCHW_INTC1_FLASHC (1<<INTCHW_INTC1_FLASHC_BITNUM) +#define INTCHW_INTC1_GPHY (1<<INTCHW_INTC1_GPHY_BITNUM) +#define INTCHW_INTC1_SPIS (1<<INTCHW_INTC1_SPIS_BITNUM) +#define INTCHW_INTC1_I2CS (1<<INTCHW_INTC1_I2CS_BITNUM) +#define INTCHW_INTC1_I2CH (1<<INTCHW_INTC1_I2CH_BITNUM) +#define INTCHW_INTC1_I2S1 (1<<INTCHW_INTC1_I2S1_BITNUM) +#define INTCHW_INTC1_I2S0 (1<<INTCHW_INTC1_I2S0_BITNUM) +#define INTCHW_INTC1_GPIO1 (1<<INTCHW_INTC1_GPIO1_BITNUM) +#define INTCHW_INTC1_GPIO0 (1<<INTCHW_INTC1_GPIO0_BITNUM) + +/* SINTC secure int controller */ +#define INTCHW_SINTC_RTC2_BITNUM 15 /* Real time clock tamper interrupt */ +#define INTCHW_SINTC_TIMER3_BITNUM 14 /* Secure timer3 interrupt */ +#define INTCHW_SINTC_TIMER2_BITNUM 13 /* Secure timer2 interrupt */ +#define INTCHW_SINTC_TIMER1_BITNUM 12 /* Secure timer1 interrupt */ +#define INTCHW_SINTC_TIMER0_BITNUM 11 /* Secure timer0 interrupt */ +#define INTCHW_SINTC_SPUM_BITNUM 10 /* Secure process module interrupt */ +#define INTCHW_SINTC_RTC1_BITNUM 9 /* Real time clock one-shot interrupt */ +#define INTCHW_SINTC_RTC0_BITNUM 8 /* Real time clock periodic interrupt */ +#define INTCHW_SINTC_RNG_BITNUM 7 /* Random number generator interrupt */ +#define INTCHW_SINTC_FMPU_BITNUM 6 /* Flash memory parition unit interrupt */ +#define INTCHW_SINTC_VMPU_BITNUM 5 /* VRAM memory partition interrupt */ +#define INTCHW_SINTC_DMPU_BITNUM 4 /* DDR2 memory partition interrupt */ +#define INTCHW_SINTC_KEYC_BITNUM 3 /* Key pad controller interrupt */ +#define INTCHW_SINTC_TSC_BITNUM 2 /* Touch screen controller interrupt */ +#define INTCHW_SINTC_UART0_BITNUM 1 /* UART0 interrupt */ +#define INTCHW_SINTC_WDOG_BITNUM 0 /* Watchdog timer interrupt */ + +#define INTCHW_SINTC_TIMER3 (1<<INTCHW_SINTC_TIMER3_BITNUM) +#define INTCHW_SINTC_TIMER2 (1<<INTCHW_SINTC_TIMER2_BITNUM) +#define INTCHW_SINTC_TIMER1 (1<<INTCHW_SINTC_TIMER1_BITNUM) +#define INTCHW_SINTC_TIMER0 (1<<INTCHW_SINTC_TIMER0_BITNUM) +#define INTCHW_SINTC_SPUM (1<<INTCHW_SINTC_SPUM_BITNUM) +#define INTCHW_SINTC_RTC2 (1<<INTCHW_SINTC_RTC2_BITNUM) +#define INTCHW_SINTC_RTC1 (1<<INTCHW_SINTC_RTC1_BITNUM) +#define INTCHW_SINTC_RTC0 (1<<INTCHW_SINTC_RTC0_BITNUM) +#define INTCHW_SINTC_RNG (1<<INTCHW_SINTC_RNG_BITNUM) +#define INTCHW_SINTC_FMPU (1<<INTCHW_SINTC_FMPU_BITNUM) +#define INTCHW_SINTC_IMPU (1<<INTCHW_SINTC_IMPU_BITNUM) +#define INTCHW_SINTC_DMPU (1<<INTCHW_SINTC_DMPU_BITNUM) +#define INTCHW_SINTC_KEYC (1<<INTCHW_SINTC_KEYC_BITNUM) +#define INTCHW_SINTC_TSC (1<<INTCHW_SINTC_TSC_BITNUM) +#define INTCHW_SINTC_UART0 (1<<INTCHW_SINTC_UART0_BITNUM) +#define INTCHW_SINTC_WDOG (1<<INTCHW_SINTC_WDOG_BITNUM) + +/* PL192 Vectored Interrupt Controller (VIC) layout */ +#define INTCHW_IRQSTATUS 0x00 /* IRQ status register */ +#define INTCHW_FIQSTATUS 0x04 /* FIQ status register */ +#define INTCHW_RAWINTR 0x08 /* Raw Interrupt Status register */ +#define INTCHW_INTSELECT 0x0c /* Interrupt Select Register */ +#define INTCHW_INTENABLE 0x10 /* Interrupt Enable Register */ +#define INTCHW_INTENCLEAR 0x14 /* Interrupt Enable Clear Register */ +#define INTCHW_SOFTINT 0x18 /* Soft Interrupt Register */ +#define INTCHW_SOFTINTCLEAR 0x1c /* Soft Interrupt Clear Register */ +#define INTCHW_PROTECTION 0x20 /* Protection Enable Register */ +#define INTCHW_SWPRIOMASK 0x24 /* Software Priority Mask Register */ +#define INTCHW_PRIODAISY 0x28 /* Priority Daisy Chain Register */ +#define INTCHW_VECTADDR0 0x100 /* Vector Address Registers */ +#define INTCHW_VECTPRIO0 0x200 /* Vector Priority Registers 0-31 */ +#define INTCHW_ADDRESS 0xf00 /* Vector Address Register 0-31 */ +#define INTCHW_PID 0xfe0 /* Peripheral ID Register 0-3 */ +#define INTCHW_PCELLID 0xff0 /* PrimeCell ID Register 0-3 */ + +/* Example Usage: intcHw_irq_enable(INTCHW_INTC0, INTCHW_INTC0_TIMER0); */ +/* intcHw_irq_clear(INTCHW_INTC0, INTCHW_INTC0_TIMER0); */ +/* uint32_t bits = intcHw_irq_status(INTCHW_INTC0); */ +/* uint32_t bits = intcHw_irq_raw_status(INTCHW_INTC0); */ + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ +/* Clear one or more IRQ interrupts. */ +static inline void intcHw_irq_disable(void *basep, uint32_t mask) +{ + __REG32(basep + INTCHW_INTENCLEAR) = mask; +} + +/* Enables one or more IRQ interrupts. */ +static inline void intcHw_irq_enable(void *basep, uint32_t mask) +{ + __REG32(basep + INTCHW_INTENABLE) = mask; +} + +#endif /* _INTCHW_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/mm_addr.h b/arch/arm/mach-bcmring/include/mach/csp/mm_addr.h new file mode 100644 index 0000000..86bb58d --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/mm_addr.h @@ -0,0 +1,101 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file mm_addr.h +* +* @brief Memory Map address defintions +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _MM_ADDR_H +#define _MM_ADDR_H + +/* ---- Include Files ---------------------------------------------------- */ + +#if !defined(CSP_SIMULATION) +#include <cfg_global.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ + +/* Memory Map address definitions */ + +#define MM_ADDR_DDR 0x00000000 + +#define MM_ADDR_IO_VPM_EXTMEM_RSVD 0x0F000000 /* 16 MB - Reserved external memory for VPM use */ + +#define MM_ADDR_IO_FLASHC 0x20000000 +#define MM_ADDR_IO_BROM 0x30000000 +#define MM_ADDR_IO_ARAM 0x30100000 /* 64 KB - extra cycle latency - WS switch */ +#define MM_ADDR_IO_DMA0 0x30200000 +#define MM_ADDR_IO_DMA1 0x30300000 +#define MM_ADDR_IO_ESW 0x30400000 +#define MM_ADDR_IO_CLCD 0x30500000 +#define MM_ADDR_IO_PIF 0x30580000 +#define MM_ADDR_IO_APM 0x30600000 +#define MM_ADDR_IO_SPUM 0x30700000 +#define MM_ADDR_IO_VPM_PROG 0x30800000 +#define MM_ADDR_IO_VPM_DATA 0x30A00000 +#define MM_ADDR_IO_VRAM 0x40000000 /* 64 KB - security block in front of it */ +#define MM_ADDR_IO_CHIPC 0x80000000 +#define MM_ADDR_IO_UMI 0x80001000 +#define MM_ADDR_IO_NAND 0x80001800 +#define MM_ADDR_IO_LEDM 0x80002000 +#define MM_ADDR_IO_PWM 0x80002040 +#define MM_ADDR_IO_VINTC 0x80003000 +#define MM_ADDR_IO_GPIO0 0x80004000 +#define MM_ADDR_IO_GPIO1 0x80004800 +#define MM_ADDR_IO_I2CS 0x80005000 +#define MM_ADDR_IO_SPIS 0x80006000 +#define MM_ADDR_IO_HPM 0x80007400 +#define MM_ADDR_IO_HPM_REMAP 0x80007800 +#define MM_ADDR_IO_TZPC 0x80008000 +#define MM_ADDR_IO_MPU 0x80009000 +#define MM_ADDR_IO_SPUMP 0x8000a000 +#define MM_ADDR_IO_PKA 0x8000b000 +#define MM_ADDR_IO_RNG 0x8000c000 +#define MM_ADDR_IO_KEYC 0x8000d000 +#define MM_ADDR_IO_BBL 0x8000e000 +#define MM_ADDR_IO_OTP 0x8000f000 +#define MM_ADDR_IO_I2S0 0x80010000 +#define MM_ADDR_IO_I2S1 0x80011000 +#define MM_ADDR_IO_UARTA 0x80012000 +#define MM_ADDR_IO_UARTB 0x80013000 +#define MM_ADDR_IO_I2CH 0x80014020 +#define MM_ADDR_IO_SPIH 0x80015000 +#define MM_ADDR_IO_TSC 0x80016000 +#define MM_ADDR_IO_TMR 0x80017000 +#define MM_ADDR_IO_WATCHDOG 0x80017800 +#define MM_ADDR_IO_ETM 0x80018000 +#define MM_ADDR_IO_DDRC 0x80019000 +#define MM_ADDR_IO_SINTC 0x80100000 +#define MM_ADDR_IO_INTC0 0x80200000 +#define MM_ADDR_IO_INTC1 0x80201000 +#define MM_ADDR_IO_GE 0x80300000 +#define MM_ADDR_IO_USB_CTLR0 0x80400000 +#define MM_ADDR_IO_USB_CTLR1 0x80410000 +#define MM_ADDR_IO_USB_PHY 0x80420000 +#define MM_ADDR_IO_SDIOH0 0x80500000 +#define MM_ADDR_IO_SDIOH1 0x80600000 +#define MM_ADDR_IO_VDEC 0x80700000 + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +#endif /* _MM_ADDR_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/mm_io.h b/arch/arm/mach-bcmring/include/mach/csp/mm_io.h new file mode 100644 index 0000000..de92ec6 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/mm_io.h @@ -0,0 +1,147 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file mm_io.h +* +* @brief Memory Map I/O definitions +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _MM_IO_H +#define _MM_IO_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <mach/csp/mm_addr.h> + +#if !defined(CSP_SIMULATION) +#include <cfg_global.h> +#endif + +/* ---- Public Constants and Types --------------------------------------- */ + +#if defined(CONFIG_MMU) + +/* This macro is referenced in <mach/io.h> + * Phys to Virtual 0xNyxxxxxx => 0xFNxxxxxx + * This macro is referenced in <asm/arch/io.h> + * + * Assume VPM address is the last x MB of memory. For VPM, map to + * 0xf0000000 and up. + */ + +#ifndef MM_IO_PHYS_TO_VIRT +#ifdef __ASSEMBLY__ +#define MM_IO_PHYS_TO_VIRT(phys) (0xF0000000 | (((phys) >> 4) & 0x0F000000) | ((phys) & 0xFFFFFF)) +#else +#define MM_IO_PHYS_TO_VIRT(phys) (((phys) == MM_ADDR_IO_VPM_EXTMEM_RSVD) ? 0xF0000000 : \ + (0xF0000000 | (((phys) >> 4) & 0x0F000000) | ((phys) & 0xFFFFFF))) +#endif +#endif + +/* Virtual to Physical 0xFNxxxxxx => 0xN0xxxxxx */ + +#ifndef MM_IO_VIRT_TO_PHYS +#ifdef __ASSEMBLY__ +#define MM_IO_VIRT_TO_PHYS(virt) ((((virt) & 0x0F000000) << 4) | ((virt) & 0xFFFFFF)) +#else +#define MM_IO_VIRT_TO_PHYS(virt) (((virt) == 0xF0000000) ? MM_ADDR_IO_VPM_EXTMEM_RSVD : \ + ((((virt) & 0x0F000000) << 4) | ((virt) & 0xFFFFFF))) +#endif +#endif + +#else + +#ifndef MM_IO_PHYS_TO_VIRT +#define MM_IO_PHYS_TO_VIRT(phys) (phys) +#endif + +#ifndef MM_IO_VIRT_TO_PHYS +#define MM_IO_VIRT_TO_PHYS(virt) (virt) +#endif + +#endif + +/* Registers in 0xExxxxxxx that should be moved to 0xFxxxxxxx */ +#define MM_IO_BASE_FLASHC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_FLASHC) +#define MM_IO_BASE_NAND MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_NAND) +#define MM_IO_BASE_UMI MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_UMI) + +#define MM_IO_START MM_ADDR_IO_FLASHC /* Physical beginning of IO mapped memory */ +#define MM_IO_BASE MM_IO_BASE_FLASHC /* Virtual beginning of IO mapped memory */ + +#define MM_IO_BASE_BROM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_BROM) +#define MM_IO_BASE_ARAM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_ARAM) +#define MM_IO_BASE_DMA0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_DMA0) +#define MM_IO_BASE_DMA1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_DMA1) +#define MM_IO_BASE_ESW MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_ESW) +#define MM_IO_BASE_CLCD MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_CLCD) +#define MM_IO_BASE_PIF MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_PIF) +#define MM_IO_BASE_APM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_APM) +#define MM_IO_BASE_SPUM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SPUM) +#define MM_IO_BASE_VPM_PROG MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VPM_PROG) +#define MM_IO_BASE_VPM_DATA MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VPM_DATA) + +#define MM_IO_BASE_VRAM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VRAM) + +#define MM_IO_BASE_CHIPC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_CHIPC) +#define MM_IO_BASE_DDRC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_DDRC) +#define MM_IO_BASE_LEDM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_LEDM) +#define MM_IO_BASE_PWM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_PWM) +#define MM_IO_BASE_VINTC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VINTC) +#define MM_IO_BASE_GPIO0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_GPIO0) +#define MM_IO_BASE_GPIO1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_GPIO1) +#define MM_IO_BASE_TMR MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_TMR) +#define MM_IO_BASE_WATCHDOG MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_WATCHDOG) +#define MM_IO_BASE_ETM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_ETM) +#define MM_IO_BASE_HPM MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_HPM) +#define MM_IO_BASE_HPM_REMAP MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_HPM_REMAP) +#define MM_IO_BASE_TZPC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_TZPC) +#define MM_IO_BASE_MPU MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_MPU) +#define MM_IO_BASE_SPUMP MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SPUMP) +#define MM_IO_BASE_PKA MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_PKA) +#define MM_IO_BASE_RNG MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_RNG) +#define MM_IO_BASE_KEYC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_KEYC) +#define MM_IO_BASE_BBL MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_BBL) +#define MM_IO_BASE_OTP MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_OTP) +#define MM_IO_BASE_I2S0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_I2S0) +#define MM_IO_BASE_I2S1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_I2S1) +#define MM_IO_BASE_UARTA MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_UARTA) +#define MM_IO_BASE_UARTB MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_UARTB) +#define MM_IO_BASE_I2CH MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_I2CH) +#define MM_IO_BASE_SPIH MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SPIH) +#define MM_IO_BASE_TSC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_TSC) +#define MM_IO_BASE_I2CS MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_I2CS) +#define MM_IO_BASE_SPIS MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SPIS) +#define MM_IO_BASE_SINTC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SINTC) +#define MM_IO_BASE_INTC0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_INTC0) +#define MM_IO_BASE_INTC1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_INTC1) +#define MM_IO_BASE_GE MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_GE) +#define MM_IO_BASE_USB_CTLR0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_USB_CTLR0) +#define MM_IO_BASE_USB_CTLR1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_USB_CTLR1) +#define MM_IO_BASE_USB_PHY MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_USB_PHY) +#define MM_IO_BASE_SDIOH0 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SDIOH0) +#define MM_IO_BASE_SDIOH1 MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_SDIOH1) +#define MM_IO_BASE_VDEC MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VDEC) + +#define MM_IO_BASE_VPM_EXTMEM_RSVD MM_IO_PHYS_TO_VIRT(MM_ADDR_IO_VPM_EXTMEM_RSVD) + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ + +#endif /* _MM_IO_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/secHw_def.h b/arch/arm/mach-bcmring/include/mach/csp/secHw_def.h new file mode 100644 index 0000000..d15f5f3 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/secHw_def.h @@ -0,0 +1,100 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file secHw_def.h +* +* @brief Definitions for configuring/testing secure blocks +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef SECHW_DEF_H +#define SECHW_DEF_H + +#include <mach/csp/mm_io.h> + +/* Bit mask for various secure device */ +#define secHw_BLK_MASK_CHIP_CONTROL 0x00000001 +#define secHw_BLK_MASK_KEY_SCAN 0x00000002 +#define secHw_BLK_MASK_TOUCH_SCREEN 0x00000004 +#define secHw_BLK_MASK_UART0 0x00000008 +#define secHw_BLK_MASK_UART1 0x00000010 +#define secHw_BLK_MASK_WATCHDOG 0x00000020 +#define secHw_BLK_MASK_SPUM 0x00000040 +#define secHw_BLK_MASK_DDR2 0x00000080 +#define secHw_BLK_MASK_EXT_MEM 0x00000100 +#define secHw_BLK_MASK_ESW 0x00000200 +#define secHw_BLK_MASK_SPU 0x00010000 +#define secHw_BLK_MASK_PKA 0x00020000 +#define secHw_BLK_MASK_RNG 0x00040000 +#define secHw_BLK_MASK_RTC 0x00080000 +#define secHw_BLK_MASK_OTP 0x00100000 +#define secHw_BLK_MASK_BOOT 0x00200000 +#define secHw_BLK_MASK_MPU 0x00400000 +#define secHw_BLK_MASK_TZCTRL 0x00800000 +#define secHw_BLK_MASK_INTR 0x01000000 + +/* Trustzone register set */ +typedef struct { + volatile uint32_t status; /* read only - reflects status of writes of 2 write registers */ + volatile uint32_t setUnsecure; /* write only. reads back as 0 */ + volatile uint32_t setSecure; /* write only. reads back as 0 */ +} secHw_TZREG_t; + +/* There are 2 register sets. The first is for the lower 16 bits, the 2nd */ +/* is for the higher 16 bits. */ + +typedef enum { + secHw_IDX_LS = 0, + secHw_IDX_MS = 1, + secHw_IDX_NUM +} secHw_IDX_e; + +typedef struct { + volatile secHw_TZREG_t reg[secHw_IDX_NUM]; +} secHw_REGS_t; + +/****************************************************************************/ +/** +* @brief Configures a device as a secure device +* +*/ +/****************************************************************************/ +static inline void secHw_setSecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Configures a device as a non-secure device +* +*/ +/****************************************************************************/ +static inline void secHw_setUnsecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */ + ); + +/****************************************************************************/ +/** +* @brief Get the trustzone status for all components. 1 = non-secure, 0 = secure +* +*/ +/****************************************************************************/ +static inline uint32_t secHw_getStatus(void); + +#include <mach/csp/secHw_inline.h> + +#endif /* SECHW_DEF_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/secHw_inline.h b/arch/arm/mach-bcmring/include/mach/csp/secHw_inline.h new file mode 100644 index 0000000..9cd6a03 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/secHw_inline.h @@ -0,0 +1,79 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file secHw_inline.h +* +* @brief Definitions for configuring/testing secure blocks +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef SECHW_INLINE_H +#define SECHW_INLINE_H + +/****************************************************************************/ +/** +* @brief Configures a device as a secure device +* +*/ +/****************************************************************************/ +static inline void secHw_setSecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */ + ) { + secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC; + + if (mask & 0x0000FFFF) { + regp->reg[secHw_IDX_LS].setSecure = mask & 0x0000FFFF; + } + + if (mask & 0xFFFF0000) { + regp->reg[secHw_IDX_MS].setSecure = mask >> 16; + } +} + +/****************************************************************************/ +/** +* @brief Configures a device as a non-secure device +* +*/ +/****************************************************************************/ +static inline void secHw_setUnsecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */ + ) { + secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC; + + if (mask & 0x0000FFFF) { + regp->reg[secHw_IDX_LS].setUnsecure = mask & 0x0000FFFF; + } + if (mask & 0xFFFF0000) { + regp->reg[secHw_IDX_MS].setUnsecure = mask >> 16; + } +} + +/****************************************************************************/ +/** +* @brief Get the trustzone status for all components. 1 = non-secure, 0 = secure +* +*/ +/****************************************************************************/ +static inline uint32_t secHw_getStatus(void) +{ + secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC; + + return (regp->reg[1].status << 16) + regp->reg[0].status; +} + +#endif /* SECHW_INLINE_H */ diff --git a/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h new file mode 100644 index 0000000..3080ac7 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h @@ -0,0 +1,82 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file tmrHw_reg.h +* +* @brief Definitions for low level Timer registers +* +*/ +/****************************************************************************/ +#ifndef _TMRHW_REG_H +#define _TMRHW_REG_H + +#include <mach/csp/mm_io.h> +#include <mach/csp/hw_cfg.h> +/* Base address */ +#define tmrHw_MODULE_BASE_ADDR MM_IO_BASE_TMR + +/* +This platform has four different timers running at different clock speed + +Timer one (Timer ID 0) runs at 25 MHz +Timer two (Timer ID 1) runs at 25 MHz +Timer three (Timer ID 2) runs at 150 MHz +Timer four (Timer ID 3) runs at 150 MHz +*/ +#define tmrHw_LOW_FREQUENCY_MHZ 25 /* Always 25MHz from XTAL */ +#define tmrHw_LOW_FREQUENCY_HZ 25000000 + +#if defined(CFG_GLOBAL_CHIP) && (CFG_GLOBAL_CHIP == FPGA11107) +#define tmrHw_HIGH_FREQUENCY_MHZ 150 /* Always 150MHz for FPGA */ +#define tmrHw_HIGH_FREQUENCY_HZ 150000000 +#else +#define tmrHw_HIGH_FREQUENCY_HZ HW_CFG_BUS_CLK_HZ +#define tmrHw_HIGH_FREQUENCY_MHZ (HW_CFG_BUS_CLK_HZ / 1000000) +#endif + +#define tmrHw_LOW_RESOLUTION_CLOCK tmrHw_LOW_FREQUENCY_HZ +#define tmrHw_HIGH_RESOLUTION_CLOCK tmrHw_HIGH_FREQUENCY_HZ +#define tmrHw_MAX_COUNT (0xFFFFFFFF) /* maximum number of count a timer can count */ +#define tmrHw_TIMER_NUM_COUNT (4) /* Number of timer module supported */ + +typedef struct { + uint32_t LoadValue; /* Load value for timer */ + uint32_t CurrentValue; /* Current value for timer */ + uint32_t Control; /* Control register */ + uint32_t InterruptClear; /* Interrupt clear register */ + uint32_t RawInterruptStatus; /* Raw interrupt status */ + uint32_t InterruptStatus; /* Masked interrupt status */ + uint32_t BackgroundLoad; /* Background load value */ + uint32_t padding; /* Padding register */ +} tmrHw_REG_t; + +/* Control bot masks */ +#define tmrHw_CONTROL_TIMER_ENABLE 0x00000080 +#define tmrHw_CONTROL_PERIODIC 0x00000040 +#define tmrHw_CONTROL_INTERRUPT_ENABLE 0x00000020 +#define tmrHw_CONTROL_PRESCALE_MASK 0x0000000C +#define tmrHw_CONTROL_PRESCALE_1 0x00000000 +#define tmrHw_CONTROL_PRESCALE_16 0x00000004 +#define tmrHw_CONTROL_PRESCALE_256 0x00000008 +#define tmrHw_CONTROL_32BIT 0x00000002 +#define tmrHw_CONTROL_ONESHOT 0x00000001 +#define tmrHw_CONTROL_FREE_RUNNING 0x00000000 + +#define tmrHw_CONTROL_MODE_MASK (tmrHw_CONTROL_PERIODIC | tmrHw_CONTROL_ONESHOT) + +#define pTmrHw ((volatile tmrHw_REG_t *)tmrHw_MODULE_BASE_ADDR) + +#endif /* _TMRHW_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/dma.h b/arch/arm/mach-bcmring/include/mach/dma.h new file mode 100644 index 0000000..847980c --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/dma.h @@ -0,0 +1,826 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file dma.h +* +* @brief API definitions for the linux DMA interface. +*/ +/****************************************************************************/ + +#if !defined(ASM_ARM_ARCH_BCMRING_DMA_H) +#define ASM_ARM_ARCH_BCMRING_DMA_H + +/* ---- Include Files ---------------------------------------------------- */ + +#include <linux/kernel.h> +#include <linux/wait.h> +#include <linux/semaphore.h> +#include <csp/dmacHw.h> +#include <mach/timer.h> +#include <linux/scatterlist.h> +#include <linux/dma-mapping.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> +#include <linux/pagemap.h> + +/* ---- Constants and Types ---------------------------------------------- */ + +/* If DMA_DEBUG_TRACK_RESERVATION is set to a non-zero value, then the filename */ +/* and line number of the reservation request will be recorded in the channel table */ + +#define DMA_DEBUG_TRACK_RESERVATION 1 + +#define DMA_NUM_CONTROLLERS 2 +#define DMA_NUM_CHANNELS 8 /* per controller */ + +typedef enum { + DMA_DEVICE_MEM_TO_MEM, /* For memory to memory transfers */ + DMA_DEVICE_I2S0_DEV_TO_MEM, + DMA_DEVICE_I2S0_MEM_TO_DEV, + DMA_DEVICE_I2S1_DEV_TO_MEM, + DMA_DEVICE_I2S1_MEM_TO_DEV, + DMA_DEVICE_APM_CODEC_A_DEV_TO_MEM, + DMA_DEVICE_APM_CODEC_A_MEM_TO_DEV, + DMA_DEVICE_APM_CODEC_B_DEV_TO_MEM, + DMA_DEVICE_APM_CODEC_B_MEM_TO_DEV, + DMA_DEVICE_APM_CODEC_C_DEV_TO_MEM, /* Additional mic input for beam-forming */ + DMA_DEVICE_APM_PCM0_DEV_TO_MEM, + DMA_DEVICE_APM_PCM0_MEM_TO_DEV, + DMA_DEVICE_APM_PCM1_DEV_TO_MEM, + DMA_DEVICE_APM_PCM1_MEM_TO_DEV, + DMA_DEVICE_SPUM_DEV_TO_MEM, + DMA_DEVICE_SPUM_MEM_TO_DEV, + DMA_DEVICE_SPIH_DEV_TO_MEM, + DMA_DEVICE_SPIH_MEM_TO_DEV, + DMA_DEVICE_UART_A_DEV_TO_MEM, + DMA_DEVICE_UART_A_MEM_TO_DEV, + DMA_DEVICE_UART_B_DEV_TO_MEM, + DMA_DEVICE_UART_B_MEM_TO_DEV, + DMA_DEVICE_PIF_MEM_TO_DEV, + DMA_DEVICE_PIF_DEV_TO_MEM, + DMA_DEVICE_ESW_DEV_TO_MEM, + DMA_DEVICE_ESW_MEM_TO_DEV, + DMA_DEVICE_VPM_MEM_TO_MEM, + DMA_DEVICE_CLCD_MEM_TO_MEM, + DMA_DEVICE_NAND_MEM_TO_MEM, + DMA_DEVICE_MEM_TO_VRAM, + DMA_DEVICE_VRAM_TO_MEM, + + /* Add new entries before this line. */ + + DMA_NUM_DEVICE_ENTRIES, + DMA_DEVICE_NONE = 0xff, /* Special value to indicate that no device is currently assigned. */ + +} DMA_Device_t; + +/**************************************************************************** +* +* The DMA_Handle_t is the primary object used by callers of the API. +* +*****************************************************************************/ + +#define DMA_INVALID_HANDLE ((DMA_Handle_t) -1) + +typedef int DMA_Handle_t; + +/**************************************************************************** +* +* The DMA_DescriptorRing_t contains a ring of descriptors which is used +* to point to regions of memory. +* +*****************************************************************************/ + +typedef struct { + void *virtAddr; /* Virtual Address of the descriptor ring */ + dma_addr_t physAddr; /* Physical address of the descriptor ring */ + int descriptorsAllocated; /* Number of descriptors allocated in the descriptor ring */ + size_t bytesAllocated; /* Number of bytes allocated in the descriptor ring */ + +} DMA_DescriptorRing_t; + +/**************************************************************************** +* +* The DMA_MemType_t and DMA_MemMap_t are helper structures used to setup +* DMA chains from a variety of memory sources. +* +*****************************************************************************/ + +#define DMA_MEM_MAP_MIN_SIZE 4096 /* Pages less than this size are better */ + /* off not being DMA'd. */ + +typedef enum { + DMA_MEM_TYPE_NONE, /* Not a valid setting */ + DMA_MEM_TYPE_VMALLOC, /* Memory came from vmalloc call */ + DMA_MEM_TYPE_KMALLOC, /* Memory came from kmalloc call */ + DMA_MEM_TYPE_DMA, /* Memory came from dma_alloc_xxx call */ + DMA_MEM_TYPE_USER, /* Memory came from user space. */ + +} DMA_MemType_t; + +/* A segment represents a physically and virtually contiguous chunk of memory. */ +/* i.e. each segment can be DMA'd */ +/* A user of the DMA code will add memory regions. Each region may need to be */ +/* represented by one or more segments. */ + +typedef struct { + void *virtAddr; /* Virtual address used for this segment */ + dma_addr_t physAddr; /* Physical address this segment maps to */ + size_t numBytes; /* Size of the segment, in bytes */ + +} DMA_Segment_t; + +/* A region represents a virtually contiguous chunk of memory, which may be */ +/* made up of multiple segments. */ + +typedef struct { + DMA_MemType_t memType; + void *virtAddr; + size_t numBytes; + + /* Each region (virtually contiguous) consists of one or more segments. Each */ + /* segment is virtually and physically contiguous. */ + + int numSegmentsUsed; + int numSegmentsAllocated; + DMA_Segment_t *segment; + + /* When a region corresponds to user memory, we need to lock all of the pages */ + /* down before we can figure out the physical addresses. The lockedPage array contains */ + /* the pages that were locked, and which subsequently need to be unlocked once the */ + /* memory is unmapped. */ + + unsigned numLockedPages; + struct page **lockedPages; + +} DMA_Region_t; + +typedef struct { + int inUse; /* Is this mapping currently being used? */ + struct semaphore lock; /* Acquired when using this structure */ + enum dma_data_direction dir; /* Direction this transfer is intended for */ + + /* In the event that we're mapping user memory, we need to know which task */ + /* the memory is for, so that we can obtain the correct mm locks. */ + + struct task_struct *userTask; + + int numRegionsUsed; + int numRegionsAllocated; + DMA_Region_t *region; + +} DMA_MemMap_t; + +/**************************************************************************** +* +* The DMA_DeviceAttribute_t contains information which describes a +* particular DMA device (or peripheral). +* +* It is anticipated that the arrary of DMA_DeviceAttribute_t's will be +* statically initialized. +* +*****************************************************************************/ + +/* The device handler is called whenever a DMA operation completes. The reaon */ +/* for it to be called will be a bitmask with one or more of the following bits */ +/* set. */ + +#define DMA_HANDLER_REASON_BLOCK_COMPLETE dmacHw_INTERRUPT_STATUS_BLOCK +#define DMA_HANDLER_REASON_TRANSFER_COMPLETE dmacHw_INTERRUPT_STATUS_TRANS +#define DMA_HANDLER_REASON_ERROR dmacHw_INTERRUPT_STATUS_ERROR + +typedef void (*DMA_DeviceHandler_t) (DMA_Device_t dev, int reason, + void *userData); + +#define DMA_DEVICE_FLAG_ON_DMA0 0x00000001 +#define DMA_DEVICE_FLAG_ON_DMA1 0x00000002 +#define DMA_DEVICE_FLAG_PORT_PER_DMAC 0x00000004 /* If set, it means that the port used on DMAC0 is different from the port used on DMAC1 */ +#define DMA_DEVICE_FLAG_ALLOC_DMA1_FIRST 0x00000008 /* If set, allocate from DMA1 before allocating from DMA0 */ +#define DMA_DEVICE_FLAG_IS_DEDICATED 0x00000100 +#define DMA_DEVICE_FLAG_NO_ISR 0x00000200 +#define DMA_DEVICE_FLAG_ALLOW_LARGE_FIFO 0x00000400 +#define DMA_DEVICE_FLAG_IN_USE 0x00000800 /* If set, device is in use on a channel */ + +/* Note: Some DMA devices can be used from multiple DMA Controllers. The bitmask is used to */ +/* determine which DMA controllers a given device can be used from, and the interface */ +/* array determeines the actual interface number to use for a given controller. */ + +typedef struct { + uint32_t flags; /* Bitmask of DMA_DEVICE_FLAG_xxx constants */ + uint8_t dedicatedController; /* Controller number to use if DMA_DEVICE_FLAG_IS_DEDICATED is set. */ + uint8_t dedicatedChannel; /* Channel number to use if DMA_DEVICE_FLAG_IS_DEDICATED is set. */ + const char *name; /* Will show up in the /proc entry */ + + uint32_t dmacPort[DMA_NUM_CONTROLLERS]; /* Specifies the port number when DMA_DEVICE_FLAG_PORT_PER_DMAC flag is set */ + + dmacHw_CONFIG_t config; /* Configuration to use when DMA'ing using this device */ + + void *userData; /* Passed to the devHandler */ + DMA_DeviceHandler_t devHandler; /* Called when DMA operations finish. */ + + timer_tick_count_t transferStartTime; /* Time the current transfer was started */ + + /* The following statistical information will be collected and presented in a proc entry. */ + /* Note: With a contiuous bandwidth of 1 Gb/sec, it would take 584 years to overflow */ + /* a 64 bit counter. */ + + uint64_t numTransfers; /* Number of DMA transfers performed */ + uint64_t transferTicks; /* Total time spent doing DMA transfers (measured in timer_tick_count_t's) */ + uint64_t transferBytes; /* Total bytes transferred */ + uint32_t timesBlocked; /* Number of times a channel was unavailable */ + uint32_t numBytes; /* Last transfer size */ + + /* It's not possible to free memory which is allocated for the descriptors from within */ + /* the ISR. So make the presumption that a given device will tend to use the */ + /* same sized buffers over and over again, and we keep them around. */ + + DMA_DescriptorRing_t ring; /* Ring of descriptors allocated for this device */ + + /* We stash away some of the information from the previous transfer. If back-to-back */ + /* transfers are performed from the same buffer, then we don't have to keep re-initializing */ + /* the descriptor buffers. */ + + uint32_t prevNumBytes; + dma_addr_t prevSrcData; + dma_addr_t prevDstData; + +} DMA_DeviceAttribute_t; + +/**************************************************************************** +* +* DMA_Channel_t, DMA_Controller_t, and DMA_State_t are really internal +* data structures and don't belong in this header file, but are included +* merely for discussion. +* +* By the time this is implemented, these structures will be moved out into +* the appropriate C source file instead. +* +*****************************************************************************/ + +/**************************************************************************** +* +* The DMA_Channel_t contains state information about each DMA channel. Some +* of the channels are dedicated. Non-dedicated channels are shared +* amongst the other devices. +* +*****************************************************************************/ + +#define DMA_CHANNEL_FLAG_IN_USE 0x00000001 +#define DMA_CHANNEL_FLAG_IS_DEDICATED 0x00000002 +#define DMA_CHANNEL_FLAG_NO_ISR 0x00000004 +#define DMA_CHANNEL_FLAG_LARGE_FIFO 0x00000008 + +typedef struct { + uint32_t flags; /* bitmask of DMA_CHANNEL_FLAG_xxx constants */ + DMA_Device_t devType; /* Device this channel is currently reserved for */ + DMA_Device_t lastDevType; /* Device type that used this previously */ + char name[20]; /* Name passed onto request_irq */ + +#if (DMA_DEBUG_TRACK_RESERVATION) + const char *fileName; /* Place where channel reservation took place */ + int lineNum; /* Place where channel reservation took place */ +#endif + dmacHw_HANDLE_t dmacHwHandle; /* low level channel handle. */ + +} DMA_Channel_t; + +/**************************************************************************** +* +* The DMA_Controller_t contains state information about each DMA controller. +* +* The freeChannelQ is stored in the controller data structure rather than +* the channel data structure since several of the devices are accessible +* from multiple controllers, and there is no way to know which controller +* will become available first. +* +*****************************************************************************/ + +typedef struct { + DMA_Channel_t channel[DMA_NUM_CHANNELS]; + +} DMA_Controller_t; + +/**************************************************************************** +* +* The DMA_Global_t contains all of the global state information used by +* the DMA code. +* +* Callers which need to allocate a shared channel will be queued up +* on the freeChannelQ until a channel becomes available. +* +*****************************************************************************/ + +typedef struct { + struct semaphore lock; /* acquired when manipulating table entries */ + wait_queue_head_t freeChannelQ; + + DMA_Controller_t controller[DMA_NUM_CONTROLLERS]; + +} DMA_Global_t; + +/* ---- Variable Externs ------------------------------------------------- */ + +extern DMA_DeviceAttribute_t DMA_gDeviceAttribute[DMA_NUM_DEVICE_ENTRIES]; + +/* ---- Function Prototypes ---------------------------------------------- */ + +#if defined(__KERNEL__) + +/****************************************************************************/ +/** +* Initializes the DMA module. +* +* @return +* 0 - Success +* < 0 - Error +*/ +/****************************************************************************/ + +int dma_init(void); + +#if (DMA_DEBUG_TRACK_RESERVATION) +DMA_Handle_t dma_request_channel_dbg(DMA_Device_t dev, const char *fileName, + int lineNum); +#define dma_request_channel(dev) dma_request_channel_dbg(dev, __FILE__, __LINE__) +#else + +/****************************************************************************/ +/** +* Reserves a channel for use with @a dev. If the device is setup to use +* a shared channel, then this function will block until a free channel +* becomes available. +* +* @return +* >= 0 - A valid DMA Handle. +* -EBUSY - Device is currently being used. +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +DMA_Handle_t dma_request_channel(DMA_Device_t dev /* Device to use with the allocated channel. */ + ); +#endif + +/****************************************************************************/ +/** +* Frees a previously allocated DMA Handle. +* +* @return +* 0 - DMA Handle was released successfully. +* -EINVAL - Invalid DMA handle +*/ +/****************************************************************************/ + +int dma_free_channel(DMA_Handle_t channel /* DMA handle. */ + ); + +/****************************************************************************/ +/** +* Determines if a given device has been configured as using a shared +* channel. +* +* @return boolean +* 0 Device uses a dedicated channel +* non-zero Device uses a shared channel +*/ +/****************************************************************************/ + +int dma_device_is_channel_shared(DMA_Device_t dev /* Device to check. */ + ); + +/****************************************************************************/ +/** +* Allocates memory to hold a descriptor ring. The descriptor ring then +* needs to be populated by making one or more calls to +* dna_add_descriptors. +* +* The returned descriptor ring will be automatically initialized. +* +* @return +* 0 Descriptor ring was allocated successfully +* -ENOMEM Unable to allocate memory for the desired number of descriptors. +*/ +/****************************************************************************/ + +int dma_alloc_descriptor_ring(DMA_DescriptorRing_t *ring, /* Descriptor ring to populate */ + int numDescriptors /* Number of descriptors that need to be allocated. */ + ); + +/****************************************************************************/ +/** +* Releases the memory which was previously allocated for a descriptor ring. +*/ +/****************************************************************************/ + +void dma_free_descriptor_ring(DMA_DescriptorRing_t *ring /* Descriptor to release */ + ); + +/****************************************************************************/ +/** +* Initializes a descriptor ring, so that descriptors can be added to it. +* Once a descriptor ring has been allocated, it may be reinitialized for +* use with additional/different regions of memory. +* +* Note that if 7 descriptors are allocated, it's perfectly acceptable to +* initialize the ring with a smaller number of descriptors. The amount +* of memory allocated for the descriptor ring will not be reduced, and +* the descriptor ring may be reinitialized later +* +* @return +* 0 Descriptor ring was initialized successfully +* -ENOMEM The descriptor which was passed in has insufficient space +* to hold the desired number of descriptors. +*/ +/****************************************************************************/ + +int dma_init_descriptor_ring(DMA_DescriptorRing_t *ring, /* Descriptor ring to initialize */ + int numDescriptors /* Number of descriptors to initialize. */ + ); + +/****************************************************************************/ +/** +* Determines the number of descriptors which would be required for a +* transfer of the indicated memory region. +* +* This function also needs to know which DMA device this transfer will +* be destined for, so that the appropriate DMA configuration can be retrieved. +* DMA parameters such as transfer width, and whether this is a memory-to-memory +* or memory-to-peripheral, etc can all affect the actual number of descriptors +* required. +* +* @return +* > 0 Returns the number of descriptors required for the indicated transfer +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_calculate_descriptor_count(DMA_Device_t device, /* DMA Device that this will be associated with */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ); + +/****************************************************************************/ +/** +* Adds a region of memory to the descriptor ring. Note that it may take +* multiple descriptors for each region of memory. It is the callers +* responsibility to allocate a sufficiently large descriptor ring. +* +* @return +* 0 Descriptors were added successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_add_descriptors(DMA_DescriptorRing_t *ring, /* Descriptor ring to add descriptors to */ + DMA_Device_t device, /* DMA Device that descriptors are for */ + dma_addr_t srcData, /* Place to get data (memory or device) */ + dma_addr_t dstData, /* Place to put data (memory or device) */ + size_t numBytes /* Number of bytes to transfer to the device */ + ); + +/****************************************************************************/ +/** +* Sets the descriptor ring associated with a device. +* +* Once set, the descriptor ring will be associated with the device, even +* across channel request/free calls. Passing in a NULL descriptor ring +* will release any descriptor ring currently associated with the device. +* +* Note: If you call dma_transfer, or one of the other dma_alloc_ functions +* the descriptor ring may be released and reallocated. +* +* Note: This function will release the descriptor memory for any current +* descriptor ring associated with this device. +*/ +/****************************************************************************/ + +int dma_set_device_descriptor_ring(DMA_Device_t device, /* Device to update the descriptor ring for. */ + DMA_DescriptorRing_t *ring /* Descriptor ring to add descriptors to */ + ); + +/****************************************************************************/ +/** +* Retrieves the descriptor ring associated with a device. +*/ +/****************************************************************************/ + +int dma_get_device_descriptor_ring(DMA_Device_t device, /* Device to retrieve the descriptor ring for. */ + DMA_DescriptorRing_t *ring /* Place to store retrieved ring */ + ); + +/****************************************************************************/ +/** +* Allocates buffers for the descriptors. This is normally done automatically +* but needs to be done explicitly when initiating a dma from interrupt +* context. +* +* @return +* 0 Descriptors were allocated successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_alloc_descriptors(DMA_Handle_t handle, /* DMA Handle */ + dmacHw_TRANSFER_TYPE_e transferType, /* Type of transfer being performed */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ); + +/****************************************************************************/ +/** +* Allocates and sets up descriptors for a double buffered circular buffer. +* +* This is primarily intended to be used for things like the ingress samples +* from a microphone. +* +* @return +* > 0 Number of descriptors actually allocated. +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +* -ENOMEM Memory exhausted +*/ +/****************************************************************************/ + +int dma_alloc_double_dst_descriptors(DMA_Handle_t handle, /* DMA Handle */ + dma_addr_t srcData, /* Physical address of source data */ + dma_addr_t dstData1, /* Physical address of first destination buffer */ + dma_addr_t dstData2, /* Physical address of second destination buffer */ + size_t numBytes /* Number of bytes in each destination buffer */ + ); + +/****************************************************************************/ +/** +* Initializes a DMA_MemMap_t data structure +*/ +/****************************************************************************/ + +int dma_init_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ + ); + +/****************************************************************************/ +/** +* Releases any memory currently being held by a memory mapping structure. +*/ +/****************************************************************************/ + +int dma_term_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ + ); + +/****************************************************************************/ +/** +* Looks at a memory address and categorizes it. +* +* @return One of the values from the DMA_MemType_t enumeration. +*/ +/****************************************************************************/ + +DMA_MemType_t dma_mem_type(void *addr); + +/****************************************************************************/ +/** +* Sets the process (aka userTask) associated with a mem map. This is +* required if user-mode segments will be added to the mapping. +*/ +/****************************************************************************/ + +static inline void dma_mem_map_set_user_task(DMA_MemMap_t *memMap, + struct task_struct *task) +{ + memMap->userTask = task; +} + +/****************************************************************************/ +/** +* Looks at a memory address and determines if we support DMA'ing to/from +* that type of memory. +* +* @return boolean - +* return value != 0 means dma supported +* return value == 0 means dma not supported +*/ +/****************************************************************************/ + +int dma_mem_supports_dma(void *addr); + +/****************************************************************************/ +/** +* Initializes a memory map for use. Since this function acquires a +* sempaphore within the memory map, it is VERY important that dma_unmap +* be called when you're finished using the map. +*/ +/****************************************************************************/ + +int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ); + +/****************************************************************************/ +/** +* Adds a segment of memory to a memory map. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes /* Number of bytes being mapped */ + ); + +/****************************************************************************/ +/** +* Creates a descriptor ring from a memory mapping. +* +* @return 0 on sucess, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ + DMA_MemMap_t *memMap, /* Memory map that will be used */ + dma_addr_t devPhysAddr /* Physical address of device */ + ); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *addr, /* Virtual address that we want to get a map of */ + size_t count, /* Number of bytes being mapped */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ + int dirtied /* non-zero if any of the pages were modified */ + ); + +/****************************************************************************/ +/** +* Initiates a transfer when the descriptors have already been setup. +* +* This is a special case, and normally, the dma_transfer_xxx functions should +* be used. +* +* @return +* 0 Transfer was started successfully +* -ENODEV Invalid handle +*/ +/****************************************************************************/ + +int dma_start_transfer(DMA_Handle_t handle); + +/****************************************************************************/ +/** +* Stops a previously started DMA transfer. +* +* @return +* 0 Transfer was stopped successfully +* -ENODEV Invalid handle +*/ +/****************************************************************************/ + +int dma_stop_transfer(DMA_Handle_t handle); + +/****************************************************************************/ +/** +* Waits for a DMA to complete by polling. This function is only intended +* to be used for testing. Interrupts should be used for most DMA operations. +*/ +/****************************************************************************/ + +int dma_wait_transfer_done(DMA_Handle_t handle); + +/****************************************************************************/ +/** +* Initiates a DMA transfer +* +* @return +* 0 Transfer was started successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +*/ +/****************************************************************************/ + +int dma_transfer(DMA_Handle_t handle, /* DMA Handle */ + dmacHw_TRANSFER_TYPE_e transferType, /* Type of transfer being performed */ + dma_addr_t srcData, /* Place to get data to write to device */ + dma_addr_t dstData, /* Pointer to device data address */ + size_t numBytes /* Number of bytes to transfer to the device */ + ); + +/****************************************************************************/ +/** +* Initiates a transfer from memory to a device. +* +* @return +* 0 Transfer was started successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _DEV_TO_MEM and not _MEM_TO_DEV) +*/ +/****************************************************************************/ + +static inline int dma_transfer_to_device(DMA_Handle_t handle, /* DMA Handle */ + dma_addr_t srcData, /* Place to get data to write to device (physical address) */ + dma_addr_t dstData, /* Pointer to device data address (physical address) */ + size_t numBytes /* Number of bytes to transfer to the device */ + ) { + return dma_transfer(handle, + dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL, + srcData, dstData, numBytes); +} + +/****************************************************************************/ +/** +* Initiates a transfer from a device to memory. +* +* @return +* 0 Transfer was started successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device is _MEM_TO_DEV and not _DEV_TO_MEM) +*/ +/****************************************************************************/ + +static inline int dma_transfer_from_device(DMA_Handle_t handle, /* DMA Handle */ + dma_addr_t srcData, /* Pointer to the device data address (physical address) */ + dma_addr_t dstData, /* Place to store data retrieved from the device (physical address) */ + size_t numBytes /* Number of bytes to retrieve from the device */ + ) { + return dma_transfer(handle, + dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM, + srcData, dstData, numBytes); +} + +/****************************************************************************/ +/** +* Initiates a memory to memory transfer. +* +* @return +* 0 Transfer was started successfully +* -EINVAL Invalid device type for this kind of transfer +* (i.e. the device wasn't DMA_DEVICE_MEM_TO_MEM) +*/ +/****************************************************************************/ + +static inline int dma_transfer_mem_to_mem(DMA_Handle_t handle, /* DMA Handle */ + dma_addr_t srcData, /* Place to transfer data from (physical address) */ + dma_addr_t dstData, /* Place to transfer data to (physical address) */ + size_t numBytes /* Number of bytes to transfer */ + ) { + return dma_transfer(handle, + dmacHw_TRANSFER_TYPE_MEM_TO_MEM, + srcData, dstData, numBytes); +} + +/****************************************************************************/ +/** +* Set the callback function which will be called when a transfer completes. +* If a NULL callback function is set, then no callback will occur. +* +* @note @a devHandler will be called from IRQ context. +* +* @return +* 0 - Success +* -ENODEV - Device handed in is invalid. +*/ +/****************************************************************************/ + +int dma_set_device_handler(DMA_Device_t dev, /* Device to set the callback for. */ + DMA_DeviceHandler_t devHandler, /* Function to call when the DMA completes */ + void *userData /* Pointer which will be passed to devHandler. */ + ); + +#endif + +#endif /* ASM_ARM_ARCH_BCMRING_DMA_H */ diff --git a/arch/arm/mach-bcmring/include/mach/entry-macro.S b/arch/arm/mach-bcmring/include/mach/entry-macro.S new file mode 100644 index 0000000..7d393ca --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/entry-macro.S @@ -0,0 +1,86 @@ +/***************************************************************************** +* Copyright 2006 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* + * + * Low-level IRQ helper macros for BCMRing-based platforms + * + */ +#include <mach/irqs.h> +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =(MM_IO_BASE_INTC0) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC0_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_INTC1) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC1_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_SINTC) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #0xffffffff @ code meaning no interrupt bits set + cmp \irqstat, #0 + beq 1002f + + mov \irqnr, #IRQ_SINTC_START @ something is set, so fixup return value + +1001: + movs \tmp, \irqstat, lsl #16 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #16 + + movs \tmp, \irqstat, lsl #8 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #8 + + movs \tmp, \irqstat, lsl #4 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #4 + + movs \tmp, \irqstat, lsl #2 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #2 + + movs \tmp, \irqstat, lsl #1 + addeq \irqnr, \irqnr, #1 + orrs \base, \base, #1 + +1002: @ irqnr will be set to 0xffffffff if no irq bits are set + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro irq_prio_table + .endm + diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h new file mode 100644 index 0000000..447eb34 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/hardware.h @@ -0,0 +1,60 @@ +/* + * + * This file contains the hardware definitions of the BCMRing. + * + * Copyright (C) 1999 ARM Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> +#include <mach/memory.h> +#include <cfg_global.h> +#include <mach/csp/mm_io.h> + +/* Hardware addresses of major areas. + * *_START is the physical address + * *_SIZE is the size of the region + * *_BASE is the virtual address + */ +#define RAM_START PHYS_OFFSET + +#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED) +#define RAM_BASE PAGE_OFFSET + +#define pcibios_assign_all_busses() 1 + +/* Macros to make managing spinlocks a bit more controlled in terms of naming. */ +/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */ +#if defined(__KERNEL__) +#define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock); +#define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock; +#define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val)) +#define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val)) +#else +#define HW_DECLARE_SPINLOCK(name) +#define HW_EXTERN_SPINLOCK(name) +#define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); } +#define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); } +#endif + +#ifndef HW_IO_PHYS_TO_VIRT +#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT +#endif +#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/io.h b/arch/arm/mach-bcmring/include/mach/io.h new file mode 100644 index 0000000..4db0eff --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/io.h @@ -0,0 +1,56 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <mach/hardware.h> + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) ((void __iomem *)HW_IO_PHYS_TO_VIRT(a)) + +/* Do not enable mem_pci for a big endian arm architecture or unexpected byteswaps will */ +/* happen in readw/writew etc. */ + +#define readb(c) __raw_readb(c) +#define readw(c) __raw_readw(c) +#define readl(c) __raw_readl(c) +#define readb_relaxed(addr) readb(addr) +#define readw_relaxed(addr) readw(addr) +#define readl_relaxed(addr) readl(addr) + +#define readsb(p, d, l) __raw_readsb(p, d, l) +#define readsw(p, d, l) __raw_readsw(p, d, l) +#define readsl(p, d, l) __raw_readsl(p, d, l) + +#define writeb(v, c) __raw_writeb(v, c) +#define writew(v, c) __raw_writew(v, c) +#define writel(v, c) __raw_writel(v, c) + +#define writesb(p, d, l) __raw_writesb(p, d, l) +#define writesw(p, d, l) __raw_writesw(p, d, l) +#define writesl(p, d, l) __raw_writesl(p, d, l) + +#define memset_io(c, v, l) _memset_io((c), (v), (l)) +#define memcpy_fromio(a, c, l) _memcpy_fromio((a), (c), (l)) +#define memcpy_toio(c, a, l) _memcpy_toio((c), (a), (l)) + +#define eth_io_copy_and_sum(s, c, l, b) eth_copy_and_sum((s), (c), (l), (b)) + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/irqs.h b/arch/arm/mach-bcmring/include/mach/irqs.h new file mode 100644 index 0000000..b279b82 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/irqs.h @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2007 Broadcom + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if !defined(ARCH_BCMRING_IRQS_H) +#define ARCH_BCMRING_IRQS_H + +/* INTC0 - interrupt controller 0 */ +#define IRQ_INTC0_START 0 +#define IRQ_DMA0C0 0 /* DMA0 channel 0 interrupt */ +#define IRQ_DMA0C1 1 /* DMA0 channel 1 interrupt */ +#define IRQ_DMA0C2 2 /* DMA0 channel 2 interrupt */ +#define IRQ_DMA0C3 3 /* DMA0 channel 3 interrupt */ +#define IRQ_DMA0C4 4 /* DMA0 channel 4 interrupt */ +#define IRQ_DMA0C5 5 /* DMA0 channel 5 interrupt */ +#define IRQ_DMA0C6 6 /* DMA0 channel 6 interrupt */ +#define IRQ_DMA0C7 7 /* DMA0 channel 7 interrupt */ +#define IRQ_DMA1C0 8 /* DMA1 channel 0 interrupt */ +#define IRQ_DMA1C1 9 /* DMA1 channel 1 interrupt */ +#define IRQ_DMA1C2 10 /* DMA1 channel 2 interrupt */ +#define IRQ_DMA1C3 11 /* DMA1 channel 3 interrupt */ +#define IRQ_DMA1C4 12 /* DMA1 channel 4 interrupt */ +#define IRQ_DMA1C5 13 /* DMA1 channel 5 interrupt */ +#define IRQ_DMA1C6 14 /* DMA1 channel 6 interrupt */ +#define IRQ_DMA1C7 15 /* DMA1 channel 7 interrupt */ +#define IRQ_VPM 16 /* Voice process module interrupt */ +#define IRQ_USBHD2 17 /* USB host2/device2 interrupt */ +#define IRQ_USBH1 18 /* USB1 host interrupt */ +#define IRQ_USBD 19 /* USB device interrupt */ +#define IRQ_SDIOH0 20 /* SDIO0 host interrupt */ +#define IRQ_SDIOH1 21 /* SDIO1 host interrupt */ +#define IRQ_TIMER0 22 /* Timer0 interrupt */ +#define IRQ_TIMER1 23 /* Timer1 interrupt */ +#define IRQ_TIMER2 24 /* Timer2 interrupt */ +#define IRQ_TIMER3 25 /* Timer3 interrupt */ +#define IRQ_SPIH 26 /* SPI host interrupt */ +#define IRQ_ESW 27 /* Ethernet switch interrupt */ +#define IRQ_APM 28 /* Audio process module interrupt */ +#define IRQ_GE 29 /* Graphic engine interrupt */ +#define IRQ_CLCD 30 /* LCD Controller interrupt */ +#define IRQ_PIF 31 /* Peripheral interface interrupt */ +#define IRQ_INTC0_END 31 + +/* INTC1 - interrupt controller 1 */ +#define IRQ_INTC1_START 32 +#define IRQ_GPIO0 32 /* 0 GPIO bit 31//0 combined interrupt */ +#define IRQ_GPIO1 33 /* 1 GPIO bit 64//32 combined interrupt */ +#define IRQ_I2S0 34 /* 2 I2S0 interrupt */ +#define IRQ_I2S1 35 /* 3 I2S1 interrupt */ +#define IRQ_I2CH 36 /* 4 I2C host interrupt */ +#define IRQ_I2CS 37 /* 5 I2C slave interrupt */ +#define IRQ_SPIS 38 /* 6 SPI slave interrupt */ +#define IRQ_GPHY 39 /* 7 Gigabit Phy interrupt */ +#define IRQ_FLASHC 40 /* 8 Flash controller interrupt */ +#define IRQ_COMMTX 41 /* 9 ARM DDC transmit interrupt */ +#define IRQ_COMMRX 42 /* 10 ARM DDC receive interrupt */ +#define IRQ_PMUIRQ 43 /* 11 ARM performance monitor interrupt */ +#define IRQ_UARTB 44 /* 12 UARTB */ +#define IRQ_WATCHDOG 45 /* 13 Watchdog timer interrupt */ +#define IRQ_UARTA 46 /* 14 UARTA */ +#define IRQ_TSC 47 /* 15 Touch screen controller interrupt */ +#define IRQ_KEYC 48 /* 16 Key pad controller interrupt */ +#define IRQ_DMPU 49 /* 17 DDR2 memory partition interrupt */ +#define IRQ_VMPU 50 /* 18 VRAM memory partition interrupt */ +#define IRQ_FMPU 51 /* 19 Flash memory parition unit interrupt */ +#define IRQ_RNG 52 /* 20 Random number generator interrupt */ +#define IRQ_RTC0 53 /* 21 Real time clock periodic interrupt */ +#define IRQ_RTC1 54 /* 22 Real time clock one-shot interrupt */ +#define IRQ_SPUM 55 /* 23 Secure process module interrupt */ +#define IRQ_VDEC 56 /* 24 Hantro video decoder interrupt */ +#define IRQ_RTC2 57 /* 25 Real time clock tamper interrupt */ +#define IRQ_DDRP 58 /* 26 DDR Panic interrupt */ +#define IRQ_INTC1_END 58 + +/* SINTC secure int controller */ +#define IRQ_SINTC_START 59 +#define IRQ_SEC_WATCHDOG 59 /* 0 Watchdog timer interrupt */ +#define IRQ_SEC_UARTA 60 /* 1 UARTA interrupt */ +#define IRQ_SEC_TSC 61 /* 2 Touch screen controller interrupt */ +#define IRQ_SEC_KEYC 62 /* 3 Key pad controller interrupt */ +#define IRQ_SEC_DMPU 63 /* 4 DDR2 memory partition interrupt */ +#define IRQ_SEC_VMPU 64 /* 5 VRAM memory partition interrupt */ +#define IRQ_SEC_FMPU 65 /* 6 Flash memory parition unit interrupt */ +#define IRQ_SEC_RNG 66 /* 7 Random number generator interrupt */ +#define IRQ_SEC_RTC0 67 /* 8 Real time clock periodic interrupt */ +#define IRQ_SEC_RTC1 68 /* 9 Real time clock one-shot interrupt */ +#define IRQ_SEC_SPUM 69 /* 10 Secure process module interrupt */ +#define IRQ_SEC_TIMER0 70 /* 11 Secure timer0 interrupt */ +#define IRQ_SEC_TIMER1 71 /* 12 Secure timer1 interrupt */ +#define IRQ_SEC_TIMER2 72 /* 13 Secure timer2 interrupt */ +#define IRQ_SEC_TIMER3 73 /* 14 Secure timer3 interrupt */ +#define IRQ_SEC_RTC2 74 /* 15 Real time clock tamper interrupt */ + +#define IRQ_SINTC_END 74 + +/* Note: there are 3 INTC registers of 32 bits each. So internal IRQs could go from 0-95 */ +/* Since IRQs are typically viewed in decimal, we start the gpio based IRQs off at 100 */ +/* to make the mapping easy for humans to decipher. */ + +#define IRQ_GPIO_0 100 + +#define NUM_INTERNAL_IRQS (IRQ_SINTC_END+1) + +/* I couldn't get the gpioHw_reg.h file to be included cleanly, so I hardcoded it */ +/* define NUM_GPIO_IRQS GPIOHW_TOTAL_NUM_PINS */ +#define NUM_GPIO_IRQS 62 + +#define NR_IRQS (IRQ_GPIO_0 + NUM_GPIO_IRQS) + +#define IRQ_UNKNOWN -1 + +/* Tune these bits to preclude noisy or unsupported interrupt sources as required. */ +#define IRQ_INTC0_VALID_MASK 0xffffffff +#define IRQ_INTC1_VALID_MASK 0x07ffffff +#define IRQ_SINTC_VALID_MASK 0x0000ffff + +#endif /* ARCH_BCMRING_IRQS_H */ diff --git a/arch/arm/mach-bcmring/include/mach/memory.h b/arch/arm/mach-bcmring/include/mach/memory.h new file mode 100644 index 0000000..114f942 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/memory.h @@ -0,0 +1,33 @@ +/***************************************************************************** +* Copyright 2005 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <cfg_global.h> + +/* + * Physical vs virtual RAM address space conversion. These are + * private definitions which should NOT be used outside memory.h + * files. Use virt_to_phys/phys_to_virt/__pa/__va instead. + */ + +#define PHYS_OFFSET CFG_GLOBAL_RAM_BASE + +/* + * Maximum DMA memory allowed is 14M + */ +#define CONSISTENT_DMA_SIZE (SZ_16M - SZ_2M) + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/memory_settings.h b/arch/arm/mach-bcmring/include/mach/memory_settings.h new file mode 100644 index 0000000..ce5cd16 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/memory_settings.h @@ -0,0 +1,67 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#ifndef MEMORY_SETTINGS_H +#define MEMORY_SETTINGS_H + +/* ---- Include Files ---------------------------------------- */ +/* ---- Constants and Types ---------------------------------- */ + +/* Memory devices */ +/* NAND Flash timing for 166 MHz setting */ +#define HW_CFG_NAND_tBTA (5 << 16) /* Bus turnaround cycle (n) 0-7 (30 ns) */ +#define HW_CFG_NAND_tWP (4 << 11) /* Write pulse width cycle (n+1) 0-31 (25 ns) */ +#define HW_CFG_NAND_tWR (1 << 9) /* Write recovery cycle (n+1) 0-3 (10 ns) */ +#define HW_CFG_NAND_tAS (0 << 7) /* Write address setup cycle (n+1) 0-3 ( 0 ns) */ +#define HW_CFG_NAND_tOE (3 << 5) /* Output enable delay cycle (n) 0-3 (15 ns) */ +#define HW_CFG_NAND_tRC (7 << 0) /* Read access cycle (n+2) 0-31 (50 ns) */ + +#define HW_CFG_NAND_TCR (HW_CFG_NAND_tBTA \ + | HW_CFG_NAND_tWP \ + | HW_CFG_NAND_tWR \ + | HW_CFG_NAND_tAS \ + | HW_CFG_NAND_tOE \ + | HW_CFG_NAND_tRC) + +/* NOR Flash timing for 166 MHz setting */ +#define HW_CFG_NOR_TPRC_TWLC (0 << 19) /* Page read access cycle / Burst write latency (n+2 / n+1) (max 25ns) */ +#define HW_CFG_NOR_TBTA (0 << 16) /* Bus turnaround cycle (n) (DNA) */ +#define HW_CFG_NOR_TWP (6 << 11) /* Write pulse width cycle (n+1) (35ns) */ +#define HW_CFG_NOR_TWR (0 << 9) /* Write recovery cycle (n+1) (0ns) */ +#define HW_CFG_NOR_TAS (0 << 7) /* Write address setup cycle (n+1) (0ns) */ +#define HW_CFG_NOR_TOE (0 << 5) /* Output enable delay cycle (n) (max 25ns) */ +#define HW_CFG_NOR_TRC_TLC (0x10 << 0) /* Read access cycle / Burst read latency (n+2 / n+1) (100ns) */ + +#define HW_CFG_FLASH0_TCR (HW_CFG_NOR_TPRC_TWLC \ + | HW_CFG_NOR_TBTA \ + | HW_CFG_NOR_TWP \ + | HW_CFG_NOR_TWR \ + | HW_CFG_NOR_TAS \ + | HW_CFG_NOR_TOE \ + | HW_CFG_NOR_TRC_TLC) + +#define HW_CFG_FLASH1_TCR HW_CFG_FLASH0_TCR +#define HW_CFG_FLASH2_TCR HW_CFG_FLASH0_TCR + +/* SDRAM Settings */ +/* #define HW_CFG_SDRAM_CAS_LATENCY 5 Default 5, Values [3..6] */ +/* #define HW_CFG_SDRAM_CHIP_SELECT_CNT 1 Default 1, Vaules [1..2] */ +/* #define HW_CFG_SDRAM_SPEED_GRADE 667 Default 667, Values [400,533,667,800] */ +/* #define HW_CFG_SDRAM_WIDTH_BITS 16 Default 16, Vaules [8,16] */ +#define HW_CFG_SDRAM_SIZE_BYTES 0x10000000 /* Total memory, not per device size */ + +/* ---- Variable Externs ------------------------------------- */ +/* ---- Function Prototypes ---------------------------------- */ + +#endif /* MEMORY_SETTINGS_H */ diff --git a/arch/arm/mach-bcmring/include/mach/system.h b/arch/arm/mach-bcmring/include/mach/system.h new file mode 100644 index 0000000..cdbf93c --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/system.h @@ -0,0 +1,54 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <mach/csp/chipcHw_inline.h> + +extern int bcmring_arch_warm_reboot; + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, char *cmd) +{ + printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot); + + if (mode == 'h') { + /* Reboot configured in proc entry */ + if (bcmring_arch_warm_reboot) { + printk("warm reset\n"); + /* Issue Warm reset (do not reset ethernet switch, keep alive) */ + chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM); + } else { + /* Force reset of everything */ + printk("force reset\n"); + chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT); + } + } else { + /* Force reset of everything */ + printk("force reset\n"); + chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT); + } +} + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/timer.h b/arch/arm/mach-bcmring/include/mach/timer.h new file mode 100644 index 0000000..5a94bbb --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/timer.h @@ -0,0 +1,77 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* +* +***************************************************************************** +* +* timer.h +* +* PURPOSE: +* +* +* +* NOTES: +* +*****************************************************************************/ + +#if !defined(BCM_LINUX_TIMER_H) +#define BCM_LINUX_TIMER_H + +#if defined(__KERNEL__) + +/* ---- Include Files ---------------------------------------------------- */ +/* ---- Constants and Types ---------------------------------------------- */ + +typedef unsigned int timer_tick_count_t; +typedef unsigned int timer_tick_rate_t; +typedef unsigned int timer_msec_t; + +/* ---- Variable Externs ------------------------------------------------- */ +/* ---- Function Prototypes ---------------------------------------------- */ + +/**************************************************************************** +* +* timer_get_tick_count +* +* +***************************************************************************/ +timer_tick_count_t timer_get_tick_count(void); + +/**************************************************************************** +* +* timer_get_tick_rate +* +* +***************************************************************************/ +timer_tick_rate_t timer_get_tick_rate(void); + +/**************************************************************************** +* +* timer_get_msec +* +* +***************************************************************************/ +timer_msec_t timer_get_msec(void); + +/**************************************************************************** +* +* timer_ticks_to_msec +* +* +***************************************************************************/ +timer_msec_t timer_ticks_to_msec(timer_tick_count_t ticks); + +#endif /* __KERNEL__ */ +#endif /* BCM_LINUX_TIMER_H */ diff --git a/arch/arm/mach-bcmring/include/mach/timex.h b/arch/arm/mach-bcmring/include/mach/timex.h new file mode 100644 index 0000000..40d033e --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/timex.h @@ -0,0 +1,25 @@ +/* + * + * Integrator architecture timex specifications + * + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * Specifies the number of ticks per second + */ +#define CLOCK_TICK_RATE 100000 /* REG_SMT_TICKS_PER_SEC */ diff --git a/arch/arm/mach-bcmring/include/mach/uncompress.h b/arch/arm/mach-bcmring/include/mach/uncompress.h new file mode 100644 index 0000000..9c9821b --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/uncompress.h @@ -0,0 +1,43 @@ +/***************************************************************************** +* Copyright 2005 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ +#include <mach/csp/mm_addr.h> + +#define BCMRING_UART_0_DR (*(volatile unsigned int *)MM_ADDR_IO_UARTA) +#define BCMRING_UART_0_FR (*(volatile unsigned int *)(MM_ADDR_IO_UARTA + 0x18)) +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + /* Send out UARTA */ + while (BCMRING_UART_0_FR & (1 << 5)) + ; + + BCMRING_UART_0_DR = c; +} + + +static inline void flush(void) +{ + /* Wait for the tx fifo to be empty */ + while ((BCMRING_UART_0_FR & (1 << 7)) == 0) + ; + + /* Wait for the final character to be sent on the txd line */ + while (BCMRING_UART_0_FR & (1 << 3)) + ; +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/arch/arm/mach-bcmring/include/mach/vmalloc.h b/arch/arm/mach-bcmring/include/mach/vmalloc.h new file mode 100644 index 0000000..35e2ead --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/vmalloc.h @@ -0,0 +1,25 @@ +/* + * + * Copyright (C) 2000 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * Move VMALLOC_END to 0xf0000000 so that the vm space can range from + * 0xe0000000 to 0xefffffff. This gives us 256 MB of vm space and handles + * larger physical memory designs better. + */ +#define VMALLOC_END (PAGE_OFFSET + 0x30000000) diff --git a/arch/arm/mach-bcmring/irq.c b/arch/arm/mach-bcmring/irq.c new file mode 100644 index 0000000..dc1c493 --- /dev/null +++ b/arch/arm/mach-bcmring/irq.c @@ -0,0 +1,127 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/stddef.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/version.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/irq.h> +#include <mach/csp/intcHw_reg.h> +#include <mach/csp/mm_io.h> + +static void bcmring_mask_irq0(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC0_START), + MM_IO_BASE_INTC0 + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq0(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC0_START), + MM_IO_BASE_INTC0 + INTCHW_INTENABLE); +} + +static void bcmring_mask_irq1(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC1_START), + MM_IO_BASE_INTC1 + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq1(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC1_START), + MM_IO_BASE_INTC1 + INTCHW_INTENABLE); +} + +static void bcmring_mask_irq2(unsigned int irq) +{ + writel(1 << (irq - IRQ_SINTC_START), + MM_IO_BASE_SINTC + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq2(unsigned int irq) +{ + writel(1 << (irq - IRQ_SINTC_START), + MM_IO_BASE_SINTC + INTCHW_INTENABLE); +} + +static struct irq_chip bcmring_irq0_chip = { + .typename = "ARM-INTC0", + .ack = bcmring_mask_irq0, + .mask = bcmring_mask_irq0, /* mask a specific interrupt, blocking its delivery. */ + .unmask = bcmring_unmask_irq0, /* unmaks an interrupt */ +}; + +static struct irq_chip bcmring_irq1_chip = { + .typename = "ARM-INTC1", + .ack = bcmring_mask_irq1, + .mask = bcmring_mask_irq1, + .unmask = bcmring_unmask_irq1, +}; + +static struct irq_chip bcmring_irq2_chip = { + .typename = "ARM-SINTC", + .ack = bcmring_mask_irq2, + .mask = bcmring_mask_irq2, + .unmask = bcmring_unmask_irq2, +}; + +static void vic_init(void __iomem *base, struct irq_chip *chip, + unsigned int irq_start, unsigned int vic_sources) +{ + unsigned int i; + for (i = 0; i < 32; i++) { + unsigned int irq = irq_start + i; + set_irq_chip(irq, chip); + set_irq_chip_data(irq, base); + + if (vic_sources & (1 << i)) { + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + } + writel(0, base + INTCHW_INTSELECT); + writel(0, base + INTCHW_INTENABLE); + writel(~0, base + INTCHW_INTENCLEAR); + writel(0, base + INTCHW_IRQSTATUS); + writel(~0, base + INTCHW_SOFTINTCLEAR); +} + +void __init bcmring_init_irq(void) +{ + vic_init((void __iomem *)MM_IO_BASE_INTC0, &bcmring_irq0_chip, + IRQ_INTC0_START, IRQ_INTC0_VALID_MASK); + vic_init((void __iomem *)MM_IO_BASE_INTC1, &bcmring_irq1_chip, + IRQ_INTC1_START, IRQ_INTC1_VALID_MASK); + vic_init((void __iomem *)MM_IO_BASE_SINTC, &bcmring_irq2_chip, + IRQ_SINTC_START, IRQ_SINTC_VALID_MASK); + + /* special cases */ + if (INTCHW_INTC1_GPIO0 & IRQ_INTC1_VALID_MASK) { + set_irq_handler(IRQ_GPIO0, handle_simple_irq); + } + if (INTCHW_INTC1_GPIO1 & IRQ_INTC1_VALID_MASK) { + set_irq_handler(IRQ_GPIO1, handle_simple_irq); + } +} diff --git a/arch/arm/mach-bcmring/mm.c b/arch/arm/mach-bcmring/mm.c new file mode 100644 index 0000000..0f1c37e --- /dev/null +++ b/arch/arm/mach-bcmring/mm.c @@ -0,0 +1,56 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include <linux/platform_device.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> + +#define IO_DESC(va, sz) { .virtual = va, \ + .pfn = __phys_to_pfn(HW_IO_VIRT_TO_PHYS(va)), \ + .length = sz, \ + .type = MT_DEVICE } + +#define MEM_DESC(va, sz) { .virtual = va, \ + .pfn = __phys_to_pfn(HW_IO_VIRT_TO_PHYS(va)), \ + .length = sz, \ + .type = MT_MEMORY } + +static struct map_desc bcmring_io_desc[] __initdata = { + IO_DESC(MM_IO_BASE_NAND, SZ_64K), /* phys:0x28000000-0x28000FFF virt:0xE8000000-0xE8000FFF size:0x00010000 */ + IO_DESC(MM_IO_BASE_UMI, SZ_64K), /* phys:0x2C000000-0x2C000FFF virt:0xEC000000-0xEC000FFF size:0x00010000 */ + + IO_DESC(MM_IO_BASE_BROM, SZ_64K), /* phys:0x30000000-0x3000FFFF virt:0xF3000000-0xF300FFFF size:0x00010000 */ + MEM_DESC(MM_IO_BASE_ARAM, SZ_1M), /* phys:0x31000000-0x31FFFFFF virt:0xF3100000-0xF31FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_DMA0, SZ_1M), /* phys:0x32000000-0x32FFFFFF virt:0xF3200000-0xF32FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_DMA1, SZ_1M), /* phys:0x33000000-0x33FFFFFF virt:0xF3300000-0xF33FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_ESW, SZ_1M), /* phys:0x34000000-0x34FFFFFF virt:0xF3400000-0xF34FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_CLCD, SZ_1M), /* phys:0x35000000-0x35FFFFFF virt:0xF3500000-0xF35FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_APM, SZ_1M), /* phys:0x36000000-0x36FFFFFF virt:0xF3600000-0xF36FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_SPUM, SZ_1M), /* phys:0x37000000-0x37FFFFFF virt:0xF3700000-0xF37FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_PROG, SZ_1M), /* phys:0x38000000-0x38FFFFFF virt:0xF3800000-0xF38FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_DATA, SZ_1M), /* phys:0x3A000000-0x3AFFFFFF virt:0xF3A00000-0xF3AFFFFF size:0x01000000 */ + + IO_DESC(MM_IO_BASE_VRAM, SZ_64K), /* phys:0x40000000-0x4000FFFF virt:0xF4000000-0xF400FFFF size:0x00010000 */ + IO_DESC(MM_IO_BASE_CHIPC, SZ_16M), /* phys:0x80000000-0x80FFFFFF virt:0xF8000000-0xF8FFFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_EXTMEM_RSVD, + SZ_16M), /* phys:0x0F000000-0x0FFFFFFF virt:0xF0000000-0xF0FFFFFF size:0x01000000 */ +}; + +void __init bcmring_map_io(void) +{ + + iotable_init(bcmring_io_desc, ARRAY_SIZE(bcmring_io_desc)); +} diff --git a/arch/arm/mach-bcmring/timer.c b/arch/arm/mach-bcmring/timer.c new file mode 100644 index 0000000..2d415d2 --- /dev/null +++ b/arch/arm/mach-bcmring/timer.c @@ -0,0 +1,62 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include <linux/version.h> +#include <linux/types.h> +#include <linux/module.h> +#include <csp/tmrHw.h> + +#include <mach/timer.h> +/* The core.c file initializes timers 1 and 3 as a linux clocksource. */ +/* The real time clock should probably be the real linux clocksource. */ +/* In the meantime, this file should agree with core.c as to the */ +/* profiling timer. If the clocksource is moved to rtc later, then */ +/* we can init the profiling timer here instead. */ + +/* Timer 1 provides 25MHz resolution syncrhonized to scheduling and APM timing */ +/* Timer 3 provides bus freqeuncy sychronized to ACLK, but spread spectrum will */ +/* affect synchronization with scheduling and APM timing. */ + +#define PROF_TIMER 1 + +timer_tick_rate_t timer_get_tick_rate(void) +{ + return tmrHw_getCountRate(PROF_TIMER); +} + +timer_tick_count_t timer_get_tick_count(void) +{ + return tmrHw_GetCurrentCount(PROF_TIMER); /* change downcounter to upcounter */ +} + +timer_msec_t timer_ticks_to_msec(timer_tick_count_t ticks) +{ + static int tickRateMsec; + + if (tickRateMsec == 0) { + tickRateMsec = timer_get_tick_rate() / 1000; + } + + return ticks / tickRateMsec; +} + +timer_msec_t timer_get_msec(void) +{ + return timer_ticks_to_msec(timer_get_tick_count()); +} + +EXPORT_SYMBOL(timer_get_tick_count); +EXPORT_SYMBOL(timer_ticks_to_msec); +EXPORT_SYMBOL(timer_get_tick_rate); +EXPORT_SYMBOL(timer_get_msec); |