diff options
Diffstat (limited to 'arch/arm/mach-tegra/include')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/debug-macro.S | 88 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/dma.h | 10 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/gpio-tegra.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/iomap.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/irammap.h | 35 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/kbc.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/pinconf-tegra.h | 63 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/powergate.h | 15 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/smmu.h | 63 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/uncompress.h | 120 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/usb_phy.h | 2 |
11 files changed, 377 insertions, 37 deletions
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S index e28ce16..8ce0661 100644 --- a/arch/arm/mach-tegra/include/mach/debug-macro.S +++ b/arch/arm/mach-tegra/include/mach/debug-macro.S @@ -1,11 +1,17 @@ /* * arch/arm/mach-tegra/include/mach/debug-macro.S * - * Copyright (C) 2010 Google, Inc. + * Copyright (C) 2010,2011 Google, Inc. + * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved. * * Author: * Colin Cross <ccross@google.com> * Erik Gilling <konkers@google.com> + * Doug Anderson <dianders@chromium.org> + * Stephen Warren <swarren@nvidia.com> + * + * Portions based on mach-omap2's debug-macro.S + * Copyright (C) 1994-1999 Russell King * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -18,17 +24,77 @@ * */ +#include <linux/serial_reg.h> + #include <mach/iomap.h> +#include <mach/irammap.h> + + .macro addruart, rp, rv, tmp + adr \rp, 99f @ actual addr of 99f + ldr \rv, [\rp] @ linked addr is stored there + sub \rv, \rv, \rp @ offset between the two + ldr \rp, [\rp, #4] @ linked tegra_uart_config + sub \tmp, \rp, \rv @ actual tegra_uart_config + ldr \rp, [\tmp] @ Load tegra_uart_config + cmp \rp, #1 @ needs intitialization? + bne 100f @ no; go load the addresses + mov \rv, #0 @ yes; record init is done + str \rv, [\tmp] + mov \rp, #TEGRA_IRAM_BASE @ See if cookie is in IRAM + ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET] + movw \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE & 0xffff + movt \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE >> 16 + cmp \rv, \rp @ Cookie present? + bne 100f @ No, use default UART + mov \rp, #TEGRA_IRAM_BASE @ Load UART address from IRAM + ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET + 4] + str \rv, [\tmp, #4] @ Store in tegra_uart_phys + sub \rv, \rv, #IO_APB_PHYS @ Calculate virt address + add \rv, \rv, #IO_APB_VIRT + str \rv, [\tmp, #8] @ Store in tegra_uart_virt + b 100f + + .align +99: .word . + .word tegra_uart_config + .ltorg + +100: ldr \rp, [\tmp, #4] @ Load tegra_uart_phys + ldr \rv, [\tmp, #8] @ Load tegra_uart_virt + .endm + +#define UART_SHIFT 2 + +/* + * Code below is swiped from <asm/hardware/debug-8250.S>, but add an extra + * check to make sure that we aren't in the CONFIG_TEGRA_DEBUG_UART_NONE case. + * We use the fact that all 5 valid UART addresses all have something in the + * 2nd-to-lowest byte. + */ - .macro addruart, rp, rv, tmp - ldr \rp, =IO_APB_PHYS @ physical - ldr \rv, =IO_APB_VIRT @ virtual - orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF) - orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF00) - orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF) - orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF00) - .endm + .macro senduart, rd, rx + tst \rx, #0x0000ff00 + strneb \rd, [\rx, #UART_TX << UART_SHIFT] +1001: + .endm -#define UART_SHIFT 2 -#include <asm/hardware/debug-8250.S> + .macro busyuart, rd, rx + tst \rx, #0x0000ff00 + beq 1002f +1001: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT] + and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE + teq \rd, #UART_LSR_TEMT | UART_LSR_THRE + bne 1001b +1002: + .endm + .macro waituart, rd, rx +#ifdef FLOW_CONTROL + tst \rx, #0x0000ff00 + beq 1002f +1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT] + tst \rd, #UART_MSR_CTS + beq 1001b +1002: +#endif + .endm diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h index d0132e8..3c9339058 100644 --- a/arch/arm/mach-tegra/include/mach/dma.h +++ b/arch/arm/mach-tegra/include/mach/dma.h @@ -23,11 +23,6 @@ #include <linux/list.h> -#if defined(CONFIG_TEGRA_SYSTEM_DMA) - -struct tegra_dma_req; -struct tegra_dma_channel; - #define TEGRA_DMA_REQ_SEL_CNTR 0 #define TEGRA_DMA_REQ_SEL_I2S_2 1 #define TEGRA_DMA_REQ_SEL_I2S_1 2 @@ -56,6 +51,11 @@ struct tegra_dma_channel; #define TEGRA_DMA_REQ_SEL_OWR 25 #define TEGRA_DMA_REQ_SEL_INVALID 31 +#if defined(CONFIG_TEGRA_SYSTEM_DMA) + +struct tegra_dma_req; +struct tegra_dma_channel; + enum tegra_dma_mode { TEGRA_DMA_SHARED = 1, TEGRA_DMA_MODE_CONTINOUS = 2, diff --git a/arch/arm/mach-tegra/include/mach/gpio-tegra.h b/arch/arm/mach-tegra/include/mach/gpio-tegra.h index 87d37fd..6140820 100644 --- a/arch/arm/mach-tegra/include/mach/gpio-tegra.h +++ b/arch/arm/mach-tegra/include/mach/gpio-tegra.h @@ -25,8 +25,6 @@ #define TEGRA_NR_GPIOS INT_GPIO_NR -#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio)) - struct tegra_gpio_table { int gpio; /* GPIO number */ bool enable; /* Enable for GPIO at init? */ diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h index 2fd9472..7e76da7 100644 --- a/arch/arm/mach-tegra/include/mach/iomap.h +++ b/arch/arm/mach-tegra/include/mach/iomap.h @@ -113,6 +113,9 @@ #define TEGRA_AHB_GIZMO_BASE 0x6000C004 #define TEGRA_AHB_GIZMO_SIZE 0x10C +#define TEGRA_SB_BASE 0x6000C200 +#define TEGRA_SB_SIZE 256 + #define TEGRA_STATMON_BASE 0x6000C400 #define TEGRA_STATMON_SIZE SZ_1K diff --git a/arch/arm/mach-tegra/include/mach/irammap.h b/arch/arm/mach-tegra/include/mach/irammap.h new file mode 100644 index 0000000..0cbe632 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/irammap.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA_IRAMMAP_H +#define __MACH_TEGRA_IRAMMAP_H + +#include <asm/sizes.h> + +/* The first 1K of IRAM is permanently reserved for the CPU reset handler */ +#define TEGRA_IRAM_RESET_HANDLER_OFFSET 0 +#define TEGRA_IRAM_RESET_HANDLER_SIZE SZ_1K + +/* + * These locations are written to by uncompress.h, and read by debug-macro.S. + * The first word holds the cookie value if the data is valid. The second + * word holds the UART physical address. + */ +#define TEGRA_IRAM_DEBUG_UART_OFFSET SZ_1K +#define TEGRA_IRAM_DEBUG_UART_SIZE 8 +#define TEGRA_IRAM_DEBUG_UART_COOKIE 0x55415254 + +#endif diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h index 20bb054..a130256 100644 --- a/arch/arm/mach-tegra/include/mach/kbc.h +++ b/arch/arm/mach-tegra/include/mach/kbc.h @@ -24,20 +24,21 @@ #include <linux/types.h> #include <linux/input/matrix_keypad.h> -#ifdef CONFIG_ARCH_TEGRA_2x_SOC #define KBC_MAX_GPIO 24 #define KBC_MAX_KPENT 8 -#else -#define KBC_MAX_GPIO 20 -#define KBC_MAX_KPENT 7 -#endif #define KBC_MAX_ROW 16 #define KBC_MAX_COL 8 #define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL) +enum tegra_pin_type { + PIN_CFG_IGNORE, + PIN_CFG_COL, + PIN_CFG_ROW, +}; + struct tegra_kbc_pin_cfg { - bool is_row; + enum tegra_pin_type type; unsigned char num; }; diff --git a/arch/arm/mach-tegra/include/mach/pinconf-tegra.h b/arch/arm/mach-tegra/include/mach/pinconf-tegra.h new file mode 100644 index 0000000..1f24d30 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/pinconf-tegra.h @@ -0,0 +1,63 @@ +/* + * pinctrl configuration definitions for the NVIDIA Tegra pinmux + * + * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + */ + +#ifndef __PINCONF_TEGRA_H__ +#define __PINCONF_TEGRA_H__ + +enum tegra_pinconf_param { + /* argument: tegra_pinconf_pull */ + TEGRA_PINCONF_PARAM_PULL, + /* argument: tegra_pinconf_tristate */ + TEGRA_PINCONF_PARAM_TRISTATE, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_ENABLE_INPUT, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_OPEN_DRAIN, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_LOCK, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_IORESET, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_SCHMITT, + /* argument: Boolean */ + TEGRA_PINCONF_PARAM_LOW_POWER_MODE, + /* argument: Integer, range is HW-dependant */ + TEGRA_PINCONF_PARAM_DRIVE_DOWN_STRENGTH, + /* argument: Integer, range is HW-dependant */ + TEGRA_PINCONF_PARAM_DRIVE_UP_STRENGTH, + /* argument: Integer, range is HW-dependant */ + TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING, + /* argument: Integer, range is HW-dependant */ + TEGRA_PINCONF_PARAM_SLEW_RATE_RISING, +}; + +enum tegra_pinconf_pull { + TEGRA_PINCONFIG_PULL_NONE, + TEGRA_PINCONFIG_PULL_DOWN, + TEGRA_PINCONFIG_PULL_UP, +}; + +enum tegra_pinconf_tristate { + TEGRA_PINCONFIG_DRIVEN, + TEGRA_PINCONFIG_TRISTATE, +}; + +#define TEGRA_PINCONF_PACK(_param_, _arg_) ((_param_) << 16 | (_arg_)) +#define TEGRA_PINCONF_UNPACK_PARAM(_conf_) ((_conf_) >> 16) +#define TEGRA_PINCONF_UNPACK_ARG(_conf_) ((_conf_) & 0xffff) + +#endif diff --git a/arch/arm/mach-tegra/include/mach/powergate.h b/arch/arm/mach-tegra/include/mach/powergate.h index 39c396d..4752b1a 100644 --- a/arch/arm/mach-tegra/include/mach/powergate.h +++ b/arch/arm/mach-tegra/include/mach/powergate.h @@ -27,8 +27,21 @@ #define TEGRA_POWERGATE_VDEC 4 #define TEGRA_POWERGATE_L2 5 #define TEGRA_POWERGATE_MPE 6 -#define TEGRA_NUM_POWERGATE 7 +#define TEGRA_POWERGATE_HEG 7 +#define TEGRA_POWERGATE_SATA 8 +#define TEGRA_POWERGATE_CPU1 9 +#define TEGRA_POWERGATE_CPU2 10 +#define TEGRA_POWERGATE_CPU3 11 +#define TEGRA_POWERGATE_CELP 12 +#define TEGRA_POWERGATE_3D1 13 +#define TEGRA_POWERGATE_CPU0 TEGRA_POWERGATE_CPU +#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D + +int __init tegra_powergate_init(void); + +int tegra_cpu_powergate_id(int cpuid); +int tegra_powergate_is_powered(int id); int tegra_powergate_power_on(int id); int tegra_powergate_power_off(int id); int tegra_powergate_remove_clamping(int id); diff --git a/arch/arm/mach-tegra/include/mach/smmu.h b/arch/arm/mach-tegra/include/mach/smmu.h new file mode 100644 index 0000000..dad403a --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/smmu.h @@ -0,0 +1,63 @@ +/* + * IOMMU API for SMMU in Tegra30 + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MACH_SMMU_H +#define MACH_SMMU_H + +enum smmu_hwgrp { + HWGRP_AFI, + HWGRP_AVPC, + HWGRP_DC, + HWGRP_DCB, + HWGRP_EPP, + HWGRP_G2, + HWGRP_HC, + HWGRP_HDA, + HWGRP_ISP, + HWGRP_MPE, + HWGRP_NV, + HWGRP_NV2, + HWGRP_PPCS, + HWGRP_SATA, + HWGRP_VDE, + HWGRP_VI, + + HWGRP_COUNT, + + HWGRP_END = ~0, +}; + +#define HWG_AFI (1 << HWGRP_AFI) +#define HWG_AVPC (1 << HWGRP_AVPC) +#define HWG_DC (1 << HWGRP_DC) +#define HWG_DCB (1 << HWGRP_DCB) +#define HWG_EPP (1 << HWGRP_EPP) +#define HWG_G2 (1 << HWGRP_G2) +#define HWG_HC (1 << HWGRP_HC) +#define HWG_HDA (1 << HWGRP_HDA) +#define HWG_ISP (1 << HWGRP_ISP) +#define HWG_MPE (1 << HWGRP_MPE) +#define HWG_NV (1 << HWGRP_NV) +#define HWG_NV2 (1 << HWGRP_NV2) +#define HWG_PPCS (1 << HWGRP_PPCS) +#define HWG_SATA (1 << HWGRP_SATA) +#define HWG_VDE (1 << HWGRP_VDE) +#define HWG_VI (1 << HWGRP_VI) + +#endif /* MACH_SMMU_H */ diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h index 4e83237..5a440f3 100644 --- a/arch/arm/mach-tegra/include/mach/uncompress.h +++ b/arch/arm/mach-tegra/include/mach/uncompress.h @@ -2,10 +2,14 @@ * arch/arm/mach-tegra/include/mach/uncompress.h * * Copyright (C) 2010 Google, Inc. + * Copyright (C) 2011 Google, Inc. + * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved. * * Author: * Colin Cross <ccross@google.com> * Erik Gilling <konkers@google.com> + * Doug Anderson <dianders@chromium.org> + * Stephen Warren <swarren@nvidia.com> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -25,36 +29,130 @@ #include <linux/serial_reg.h> #include <mach/iomap.h> +#include <mach/irammap.h> + +#define BIT(x) (1 << (x)) +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +#define DEBUG_UART_SHIFT 2 + +volatile u8 *uart; static void putc(int c) { - volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; - int shift = 2; - if (uart == NULL) return; - while (!(uart[UART_LSR << shift] & UART_LSR_THRE)) + while (!(uart[UART_LSR << DEBUG_UART_SHIFT] & UART_LSR_THRE)) barrier(); - uart[UART_TX << shift] = c; + uart[UART_TX << DEBUG_UART_SHIFT] = c; } static inline void flush(void) { } +static inline void save_uart_address(void) +{ + u32 *buf = (u32 *)(TEGRA_IRAM_BASE + TEGRA_IRAM_DEBUG_UART_OFFSET); + + if (uart) { + buf[0] = TEGRA_IRAM_DEBUG_UART_COOKIE; + buf[1] = (u32)uart; + } else + buf[0] = 0; +} + +/* + * Setup before decompression. This is where we do UART selection for + * earlyprintk and init the uart_base register. + */ static inline void arch_decomp_setup(void) { - volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; - int shift = 2; + static const struct { + u32 base; + u32 reset_reg; + u32 clock_reg; + u32 bit; + } uarts[] = { + { + TEGRA_UARTA_BASE, + TEGRA_CLK_RESET_BASE + 0x04, + TEGRA_CLK_RESET_BASE + 0x10, + 6, + }, + { + TEGRA_UARTB_BASE, + TEGRA_CLK_RESET_BASE + 0x04, + TEGRA_CLK_RESET_BASE + 0x10, + 7, + }, + { + TEGRA_UARTC_BASE, + TEGRA_CLK_RESET_BASE + 0x08, + TEGRA_CLK_RESET_BASE + 0x14, + 23, + }, + { + TEGRA_UARTD_BASE, + TEGRA_CLK_RESET_BASE + 0x0c, + TEGRA_CLK_RESET_BASE + 0x18, + 1, + }, + { + TEGRA_UARTE_BASE, + TEGRA_CLK_RESET_BASE + 0x0c, + TEGRA_CLK_RESET_BASE + 0x18, + 2, + }, + }; + int i; + volatile u32 *apb_misc = (volatile u32 *)TEGRA_APB_MISC_BASE; + u32 chip, div; + + /* + * Look for the first UART that: + * a) Is not in reset. + * b) Is clocked. + * c) Has a 'D' in the scratchpad register. + * + * Note that on Tegra30, the first two conditions are required, since + * if not true, accesses to the UART scratch register will hang. + * Tegra20 doesn't have this issue. + * + * The intent is that the bootloader will tell the kernel which UART + * to use by setting up those conditions. If nothing found, we'll fall + * back to what's specified in TEGRA_DEBUG_UART_BASE. + */ + for (i = 0; i < ARRAY_SIZE(uarts); i++) { + if (*(u8 *)uarts[i].reset_reg & BIT(uarts[i].bit)) + continue; + if (!(*(u8 *)uarts[i].clock_reg & BIT(uarts[i].bit))) + continue; + + uart = (volatile u8 *)uarts[i].base; + if (uart[UART_SCR << DEBUG_UART_SHIFT] != 'D') + continue; + + break; + } + if (i == ARRAY_SIZE(uarts)) + uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; + save_uart_address(); if (uart == NULL) return; - uart[UART_LCR << shift] |= UART_LCR_DLAB; - uart[UART_DLL << shift] = 0x75; - uart[UART_DLM << shift] = 0x0; - uart[UART_LCR << shift] = 3; + chip = (apb_misc[0x804 / 4] >> 8) & 0xff; + if (chip == 0x20) + div = 0x0075; + else + div = 0x00dd; + + uart[UART_LCR << DEBUG_UART_SHIFT] |= UART_LCR_DLAB; + uart[UART_DLL << DEBUG_UART_SHIFT] = div & 0xff; + uart[UART_DLM << DEBUG_UART_SHIFT] = div >> 8; + uart[UART_LCR << DEBUG_UART_SHIFT] = 3; } static inline void arch_decomp_wdog(void) diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h index d4b8f9e..de1a0f6 100644 --- a/arch/arm/mach-tegra/include/mach/usb_phy.h +++ b/arch/arm/mach-tegra/include/mach/usb_phy.h @@ -58,7 +58,7 @@ struct tegra_usb_phy { struct clk *pad_clk; enum tegra_usb_phy_mode mode; void *config; - struct otg_transceiver *ulpi; + struct usb_phy *ulpi; }; struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, |