diff options
Diffstat (limited to 'arch/sh/boards/harp')
| -rw-r--r-- | arch/sh/boards/harp/Makefile | 8 | ||||
| -rw-r--r-- | arch/sh/boards/harp/irq.c | 147 | ||||
| -rw-r--r-- | arch/sh/boards/harp/led.c | 51 | ||||
| -rw-r--r-- | arch/sh/boards/harp/mach.c | 62 | ||||
| -rw-r--r-- | arch/sh/boards/harp/pcidma.c | 42 | ||||
| -rw-r--r-- | arch/sh/boards/harp/setup.c | 90 |
6 files changed, 0 insertions, 400 deletions
diff --git a/arch/sh/boards/harp/Makefile b/arch/sh/boards/harp/Makefile deleted file mode 100644 index eb753d3..0000000 --- a/arch/sh/boards/harp/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for STMicroelectronics board specific parts of the kernel -# - -obj-y := irq.o setup.o mach.o led.o - -obj-$(CONFIG_PCI) += pcidma.o - diff --git a/arch/sh/boards/harp/irq.c b/arch/sh/boards/harp/irq.c deleted file mode 100644 index 96bb41c..0000000 --- a/arch/sh/boards/harp/irq.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Looks after interrupts on the HARP board. - * - * Bases on the IPR irq system - */ - -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/harp/harp.h> - - -#define NUM_EXTERNAL_IRQS 16 - -// Early versions of the STB1 Overdrive required this nasty frig -//#define INVERT_INTMASK_WRITES - -static void enable_harp_irq(unsigned int irq); -static void disable_harp_irq(unsigned int irq); - -/* shutdown is same as "disable" */ -#define shutdown_harp_irq disable_harp_irq - -static void mask_and_ack_harp(unsigned int); -static void end_harp_irq(unsigned int irq); - -static unsigned int startup_harp_irq(unsigned int irq) -{ - enable_harp_irq(irq); - return 0; /* never anything pending */ -} - -static struct hw_interrupt_type harp_irq_type = { - .typename = "Harp-IRQ", - .startup = startup_harp_irq, - .shutdown = shutdown_harp_irq, - .enable = enable_harp_irq, - .disable = disable_harp_irq, - .ack = mask_and_ack_harp, - .end = end_harp_irq -}; - -static void disable_harp_irq(unsigned int irq) -{ - unsigned val, flags; - unsigned maskReg; - unsigned mask; - int pri; - - if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) - return; - - pri = 15 - irq; - - if (pri < 8) { - maskReg = EPLD_INTMASK0; - } else { - maskReg = EPLD_INTMASK1; - pri -= 8; - } - - local_irq_save(flags); - mask = ctrl_inl(maskReg); - mask &= (~(1 << pri)); -#if defined(INVERT_INTMASK_WRITES) - mask ^= 0xff; -#endif - ctrl_outl(mask, maskReg); - local_irq_restore(flags); -} - -static void enable_harp_irq(unsigned int irq) -{ - unsigned flags; - unsigned maskReg; - unsigned mask; - int pri; - - if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) - return; - - pri = 15 - irq; - - if (pri < 8) { - maskReg = EPLD_INTMASK0; - } else { - maskReg = EPLD_INTMASK1; - pri -= 8; - } - - local_irq_save(flags); - mask = ctrl_inl(maskReg); - - - mask |= (1 << pri); - -#if defined(INVERT_INTMASK_WRITES) - mask ^= 0xff; -#endif - ctrl_outl(mask, maskReg); - - local_irq_restore(flags); -} - -/* This functions sets the desired irq handler to be an overdrive type */ -static void __init make_harp_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - irq_desc[irq].chip = &harp_irq_type; - disable_harp_irq(irq); -} - -static void mask_and_ack_harp(unsigned int irq) -{ - disable_harp_irq(irq); -} - -static void end_harp_irq(unsigned int irq) -{ - enable_harp_irq(irq); -} - -void __init init_harp_irq(void) -{ - int i; - -#if !defined(INVERT_INTMASK_WRITES) - // On the harp these are set to enable an interrupt - ctrl_outl(0x00, EPLD_INTMASK0); - ctrl_outl(0x00, EPLD_INTMASK1); -#else - // On the Overdrive the data is inverted before being stored in the reg - ctrl_outl(0xff, EPLD_INTMASK0); - ctrl_outl(0xff, EPLD_INTMASK1); -#endif - - for (i = 0; i < NUM_EXTERNAL_IRQS; i++) { - make_harp_irq(i); - } -} diff --git a/arch/sh/boards/harp/led.c b/arch/sh/boards/harp/led.c deleted file mode 100644 index aeb7b39..0000000 --- a/arch/sh/boards/harp/led.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * linux/arch/sh/stboards/led.c - * - * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * This file contains ST40STB1 HARP and compatible code. - */ - -#include <asm/io.h> -#include <asm/harp/harp.h> - -/* Harp: Flash LD10 (front pannel) connected to EPLD (IC8) */ -/* Overdrive: Flash LD1 (front panel) connected to EPLD (IC4) */ -/* Works for HARP and overdrive */ -static void mach_led(int position, int value) -{ - if (value) { - ctrl_outl(EPLD_LED_ON, EPLD_LED); - } else { - ctrl_outl(EPLD_LED_OFF, EPLD_LED); - } -} - -#ifdef CONFIG_HEARTBEAT - -#include <linux/sched.h> - -/* acts like an actual heart beat -- ie thump-thump-pause... */ -void heartbeat_harp(void) -{ - static unsigned cnt = 0, period = 0, dist = 0; - - if (cnt == 0 || cnt == dist) - mach_led( -1, 1); - else if (cnt == 7 || cnt == dist+7) - mach_led( -1, 0); - - if (++cnt > period) { - cnt = 0; - /* The hyperbolic function below modifies the heartbeat period - * length in dependency of the current (5min) load. It goes - * through the points f(0)=126, f(1)=86, f(5)=51, - * f(inf)->30. */ - period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; - dist = period / 4; - } -} -#endif diff --git a/arch/sh/boards/harp/mach.c b/arch/sh/boards/harp/mach.c deleted file mode 100644 index a946dd1..0000000 --- a/arch/sh/boards/harp/mach.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * linux/arch/sh/boards/harp/mach.c - * - * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Machine vector for the STMicroelectronics STB1 HARP and compatible boards - */ - -#include <linux/init.h> - -#include <asm/machvec.h> -#include <asm/rtc.h> -#include <asm/machvec_init.h> -#include <asm/hd64465/io.h> -#include <asm/hd64465/hd64465.h> - -void setup_harp(void); -void init_harp_irq(void); -void heartbeat_harp(void); - -/* - * The Machine Vector - */ - -struct sh_machine_vector mv_harp __initmv = { - .mv_nr_irqs = 89 + HD64465_IRQ_NUM, - - .mv_inb = hd64465_inb, - .mv_inw = hd64465_inw, - .mv_inl = hd64465_inl, - .mv_outb = hd64465_outb, - .mv_outw = hd64465_outw, - .mv_outl = hd64465_outl, - - .mv_inb_p = hd64465_inb_p, - .mv_inw_p = hd64465_inw, - .mv_inl_p = hd64465_inl, - .mv_outb_p = hd64465_outb_p, - .mv_outw_p = hd64465_outw, - .mv_outl_p = hd64465_outl, - - .mv_insb = hd64465_insb, - .mv_insw = hd64465_insw, - .mv_insl = hd64465_insl, - .mv_outsb = hd64465_outsb, - .mv_outsw = hd64465_outsw, - .mv_outsl = hd64465_outsl, - - .mv_isa_port2addr = hd64465_isa_port2addr, - -#ifdef CONFIG_PCI - .mv_init_irq = init_harp_irq, -#endif -#ifdef CONFIG_HEARTBEAT - .mv_heartbeat = heartbeat_harp, -#endif -}; - -ALIAS_MV(harp) diff --git a/arch/sh/boards/harp/pcidma.c b/arch/sh/boards/harp/pcidma.c deleted file mode 100644 index 4753113..0000000 --- a/arch/sh/boards/harp/pcidma.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2001 David J. Mckay (david.mckay@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Dynamic DMA mapping support. - */ - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <asm/addrspace.h> - - -void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, - dma_addr_t * dma_handle) -{ - void *ret; - int gfp = GFP_ATOMIC; - - ret = (void *) __get_free_pages(gfp, get_order(size)); - - if (ret != NULL) { - /* Is it neccessary to do the memset? */ - memset(ret, 0, size); - *dma_handle = virt_to_bus(ret); - } - /* We must flush the cache before we pass it on to the device */ - flush_cache_all(); - return P2SEGADDR(ret); -} - -void pci_free_consistent(struct pci_dev *hwdev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - unsigned long p1addr=P1SEGADDR((unsigned long)vaddr); - - free_pages(p1addr, get_order(size)); -} diff --git a/arch/sh/boards/harp/setup.c b/arch/sh/boards/harp/setup.c deleted file mode 100644 index 886e450..0000000 --- a/arch/sh/boards/harp/setup.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * arch/sh/stboard/setup.c - * - * Copyright (C) 2001 Stuart Menefy (stuart.menefy@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * STMicroelectronics ST40STB1 HARP and compatible support. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <asm/harp/harp.h> - -const char *get_system_type(void) -{ - return "STB1 Harp"; -} - -/* - * Initialize the board - */ -int __init platform_setup(void) -{ -#ifdef CONFIG_SH_STB1_HARP - unsigned long ic8_version, ic36_version; - - ic8_version = ctrl_inl(EPLD_REVID2); - ic36_version = ctrl_inl(EPLD_REVID1); - - printk("STMicroelectronics STB1 HARP initialisaton\n"); - printk("EPLD versions: IC8: %d.%02d, IC36: %d.%02d\n", - (ic8_version >> 4) & 0xf, ic8_version & 0xf, - (ic36_version >> 4) & 0xf, ic36_version & 0xf); -#elif defined(CONFIG_SH_STB1_OVERDRIVE) - unsigned long version; - - version = ctrl_inl(EPLD_REVID); - - printk("STMicroelectronics STB1 Overdrive initialisaton\n"); - printk("EPLD version: %d.%02d\n", - (version >> 4) & 0xf, version & 0xf); -#else -#error Undefined machine -#endif - - /* Currently all STB1 chips have problems with the sleep instruction, - * so disable it here. - */ - disable_hlt(); - - return 0; -} - -/* - * pcibios_map_platform_irq - * - * This is board specific and returns the IRQ for a given PCI device. - * It is used by the PCI code (arch/sh/kernel/st40_pci*) - * - */ - -#define HARP_PCI_IRQ 1 -#define HARP_BRIDGE_IRQ 2 -#define OVERDRIVE_SLOT0_IRQ 0 - - -int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - switch (slot) { -#ifdef CONFIG_SH_STB1_HARP - case 2: /*This is the PCI slot on the */ - return HARP_PCI_IRQ; - case 1: /* this is the bridge */ - return HARP_BRIDGE_IRQ; -#elif defined(CONFIG_SH_STB1_OVERDRIVE) - case 1: - case 2: - case 3: - return slot - 1; -#else -#error Unknown board -#endif - default: - return -1; - } -} - |