diff options
Diffstat (limited to 'package/linux/kernel-source/arch/mips')
17 files changed, 0 insertions, 4179 deletions
diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/Makefile b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/Makefile deleted file mode 100644 index eae8eba49c..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -# -# Makefile for Broadcom BCM947XX boards -# -# Copyright 2004, Broadcom Corporation -# All Rights Reserved. -# -# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY -# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM -# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS -# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. -# -# $Id$ -# - -O_TARGET := bcm947xx.o - -export-objs := nvram_linux.o setup.o -obj-y := prom.o setup.o time.o sbmips.o sbpci.o pcibios.o perfcntr.o gpio.o -obj-y += sflash.o nvram.o nvram_linux.o - -vpath %.c $(SRCBASE)/shared $(SRCBASE)/shared/nvram - -include $(TOPDIR)/Rules.make diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/compressed/Makefile b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/compressed/Makefile deleted file mode 100644 index ead9d07439..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/compressed/Makefile +++ /dev/null @@ -1,33 +0,0 @@ -# -# Makefile for Broadcom BCM947XX boards -# -# Copyright 2001-2003, Broadcom Corporation -# All Rights Reserved. -# -# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY -# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM -# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS -# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. -# -# $Id$ -# - -OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S -SYSTEM ?= $(TOPDIR)/vmlinux - -all: vmlinuz - -# Don't build dependencies, this may die if $(CC) isn't gcc -dep: - -# Create a gzipped version named vmlinuz for compatibility -vmlinuz: piggy - gzip -c9 $< > $@ - -piggy: $(SYSTEM) - $(OBJCOPY) $< $@ - -mrproper: clean - -clean: - rm -f vmlinuz piggy diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/gpio.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/gpio.c deleted file mode 100644 index d20b763338..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/gpio.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * GPIO char driver - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <asm/uaccess.h> - -#include <typedefs.h> -#include <bcmutils.h> -#include <sbutils.h> -#include <bcmdevs.h> - -static void *gpio_sbh; -static int gpio_major; -static devfs_handle_t gpio_dir; -static struct { - char *name; - devfs_handle_t handle; -} gpio_file[] = { - { "in", NULL }, - { "out", NULL }, - { "outen", NULL }, - { "control", NULL } -}; - -static int -gpio_open(struct inode *inode, struct file * file) -{ - if (MINOR(inode->i_rdev) > ARRAYSIZE(gpio_file)) - return -ENODEV; - - MOD_INC_USE_COUNT; - return 0; -} - -static int -gpio_release(struct inode *inode, struct file * file) -{ - MOD_DEC_USE_COUNT; - return 0; -} - -static ssize_t -gpio_read(struct file *file, char *buf, size_t count, loff_t *ppos) -{ - u32 val; - - switch (MINOR(file->f_dentry->d_inode->i_rdev)) { - case 0: - val = sb_gpioin(gpio_sbh); - break; - case 1: - val = sb_gpioout(gpio_sbh, 0, 0); - break; - case 2: - val = sb_gpioouten(gpio_sbh, 0, 0); - break; - case 3: - val = sb_gpiocontrol(gpio_sbh, 0, 0); - break; - default: - return -ENODEV; - } - - if (put_user(val, (u32 *) buf)) - return -EFAULT; - - return sizeof(val); -} - -static ssize_t -gpio_write(struct file *file, const char *buf, size_t count, loff_t *ppos) -{ - u32 val; - - if (get_user(val, (u32 *) buf)) - return -EFAULT; - - switch (MINOR(file->f_dentry->d_inode->i_rdev)) { - case 0: - return -EACCES; - case 1: - sb_gpioout(gpio_sbh, ~0, val); - break; - case 2: - sb_gpioouten(gpio_sbh, ~0, val); - break; - case 3: - sb_gpiocontrol(gpio_sbh, ~0, val); - break; - default: - return -ENODEV; - } - - return sizeof(val); -} - -static struct file_operations gpio_fops = { - owner: THIS_MODULE, - open: gpio_open, - release: gpio_release, - read: gpio_read, - write: gpio_write, -}; - -static int __init -gpio_init(void) -{ - int i; - - if (!(gpio_sbh = sb_kattach())) - return -ENODEV; - - sb_gpiosetcore(gpio_sbh); - - if ((gpio_major = devfs_register_chrdev(0, "gpio", &gpio_fops)) < 0) - return gpio_major; - - gpio_dir = devfs_mk_dir(NULL, "gpio", NULL); - - for (i = 0; i < ARRAYSIZE(gpio_file); i++) { - gpio_file[i].handle = devfs_register(gpio_dir, - gpio_file[i].name, - DEVFS_FL_DEFAULT, gpio_major, i, - S_IFCHR | S_IRUGO | S_IWUGO, - &gpio_fops, NULL); - } - - return 0; -} - -static void __exit -gpio_exit(void) -{ - int i; - - for (i = 0; i < ARRAYSIZE(gpio_file); i++) - devfs_unregister(gpio_file[i].handle); - devfs_unregister(gpio_dir); - devfs_unregister_chrdev(gpio_major, "gpio"); - sb_detach(gpio_sbh); -} - -module_init(gpio_init); -module_exit(gpio_exit); diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram.c deleted file mode 100644 index af12ced3ff..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - * NVRAM variable manipulation (common) - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <typedefs.h> -#include <osl.h> -#include <bcmendian.h> -#include <bcmnvram.h> -#include <bcmutils.h> -#include <sbsdram.h> - -extern struct nvram_tuple * _nvram_realloc(struct nvram_tuple *t, const char *name, const char *value); -extern void _nvram_free(struct nvram_tuple *t); -extern int _nvram_read(void *buf); - -char * _nvram_get(const char *name); -int _nvram_set(const char *name, const char *value); -int _nvram_unset(const char *name); -int _nvram_getall(char *buf, int count); -int _nvram_commit(struct nvram_header *header); -int _nvram_init(void); -void _nvram_exit(void); - -static struct nvram_tuple * nvram_hash[257]; -static struct nvram_tuple * nvram_dead; - -/* Free all tuples. Should be locked. */ -static void -nvram_free(void) -{ - uint i; - struct nvram_tuple *t, *next; - - /* Free hash table */ - for (i = 0; i < ARRAYSIZE(nvram_hash); i++) { - for (t = nvram_hash[i]; t; t = next) { - next = t->next; - _nvram_free(t); - } - nvram_hash[i] = NULL; - } - - /* Free dead table */ - for (t = nvram_dead; t; t = next) { - next = t->next; - _nvram_free(t); - } - nvram_dead = NULL; - - /* Indicate to per-port code that all tuples have been freed */ - _nvram_free(NULL); -} - -/* String hash */ -static INLINE uint -hash(const char *s) -{ - uint hash = 0; - - while (*s) - hash = 31 * hash + *s++; - - return hash; -} - -/* (Re)initialize the hash table. Should be locked. */ -static int -nvram_rehash(struct nvram_header *header) -{ - char buf[] = "0xXXXXXXXX", *name, *value, *end, *eq; - - /* (Re)initialize hash table */ - nvram_free(); - - /* Parse and set "name=value\0 ... \0\0" */ - name = (char *) &header[1]; - end = (char *) header + NVRAM_SPACE - 2; - end[0] = end[1] = '\0'; - for (; *name; name = value + strlen(value) + 1) { - if (!(eq = strchr(name, '='))) - break; - *eq = '\0'; - value = eq + 1; - _nvram_set(name, value); - *eq = '='; - } - - /* Set special SDRAM parameters */ - if (!_nvram_get("sdram_init")) { - sprintf(buf, "0x%04X", (uint16)(header->crc_ver_init >> 16)); - _nvram_set("sdram_init", buf); - } - if (!_nvram_get("sdram_config")) { - sprintf(buf, "0x%04X", (uint16)(header->config_refresh & 0xffff)); - _nvram_set("sdram_config", buf); - } - if (!_nvram_get("sdram_refresh")) { - sprintf(buf, "0x%04X", (uint16)((header->config_refresh >> 16) & 0xffff)); - _nvram_set("sdram_refresh", buf); - } - if (!_nvram_get("sdram_ncdl")) { - sprintf(buf, "0x%08X", header->config_ncdl); - _nvram_set("sdram_ncdl", buf); - } - - return 0; -} - -/* Get the value of an NVRAM variable. Should be locked. */ -char * -_nvram_get(const char *name) -{ - uint i; - struct nvram_tuple *t; - char *value; - - if (!name) - return NULL; - - /* Hash the name */ - i = hash(name) % ARRAYSIZE(nvram_hash); - - /* Find the associated tuple in the hash table */ - for (t = nvram_hash[i]; t && strcmp(t->name, name); t = t->next); - - value = t ? t->value : NULL; - - return value; -} - -/* Get the value of an NVRAM variable. Should be locked. */ -int -_nvram_set(const char *name, const char *value) -{ - uint i; - struct nvram_tuple *t, *u, **prev; - - /* Hash the name */ - i = hash(name) % ARRAYSIZE(nvram_hash); - - /* Find the associated tuple in the hash table */ - for (prev = &nvram_hash[i], t = *prev; t && strcmp(t->name, name); prev = &t->next, t = *prev); - - /* (Re)allocate tuple */ - if (!(u = _nvram_realloc(t, name, value))) - return -12; /* -ENOMEM */ - - /* Value reallocated */ - if (t && t == u) - return 0; - - /* Move old tuple to the dead table */ - if (t) { - *prev = t->next; - t->next = nvram_dead; - nvram_dead = t; - } - - /* Add new tuple to the hash table */ - u->next = nvram_hash[i]; - nvram_hash[i] = u; - - return 0; -} - -/* Unset the value of an NVRAM variable. Should be locked. */ -int -_nvram_unset(const char *name) -{ - uint i; - struct nvram_tuple *t, **prev; - - if (!name) - return 0; - - /* Hash the name */ - i = hash(name) % ARRAYSIZE(nvram_hash); - - /* Find the associated tuple in the hash table */ - for (prev = &nvram_hash[i], t = *prev; t && strcmp(t->name, name); prev = &t->next, t = *prev); - - /* Move it to the dead table */ - if (t) { - *prev = t->next; - t->next = nvram_dead; - nvram_dead = t; - } - - return 0; -} - -/* Get all NVRAM variables. Should be locked. */ -int -_nvram_getall(char *buf, int count) -{ - uint i; - struct nvram_tuple *t; - int len = 0; - - bzero(buf, count); - - /* Write name=value\0 ... \0\0 */ - for (i = 0; i < ARRAYSIZE(nvram_hash); i++) { - for (t = nvram_hash[i]; t; t = t->next) { - if ((count - len) > (strlen(t->name) + 1 + strlen(t->value) + 1)) - len += sprintf(buf + len, "%s=%s", t->name, t->value) + 1; - else - break; - } - } - - return 0; -} - -/* Regenerate NVRAM. Should be locked. */ -int -_nvram_commit(struct nvram_header *header) -{ - char *init, *config, *refresh, *ncdl; - char *ptr, *end; - int i; - struct nvram_tuple *t; - struct nvram_header tmp; - uint8 crc; - - /* Regenerate header */ - header->magic = NVRAM_MAGIC; - header->crc_ver_init = (NVRAM_VERSION << 8); - if (!(init = _nvram_get("sdram_init")) || - !(config = _nvram_get("sdram_config")) || - !(refresh = _nvram_get("sdram_refresh")) || - !(ncdl = _nvram_get("sdram_ncdl"))) { - header->crc_ver_init |= SDRAM_INIT << 16; - header->config_refresh = SDRAM_CONFIG; - header->config_refresh |= SDRAM_REFRESH << 16; - header->config_ncdl = 0; - } else { - header->crc_ver_init |= (bcm_strtoul(init, NULL, 0) & 0xffff) << 16; - header->config_refresh = bcm_strtoul(config, NULL, 0) & 0xffff; - header->config_refresh |= (bcm_strtoul(refresh, NULL, 0) & 0xffff) << 16; - header->config_ncdl = bcm_strtoul(ncdl, NULL, 0); - } - - /* Clear data area */ - ptr = (char *) header + sizeof(struct nvram_header); - bzero(ptr, NVRAM_SPACE - sizeof(struct nvram_header)); - - /* Leave space for a double NUL at the end */ - end = (char *) header + NVRAM_SPACE - 2; - - /* Write out all tuples */ - for (i = 0; i < ARRAYSIZE(nvram_hash); i++) { - for (t = nvram_hash[i]; t; t = t->next) { - if ((ptr + strlen(t->name) + 1 + strlen(t->value) + 1) > end) - break; - ptr += sprintf(ptr, "%s=%s", t->name, t->value) + 1; - } - } - - /* End with a double NUL */ - ptr += 2; - - /* Set new length */ - header->len = ROUNDUP(ptr - (char *) header, 4); - - /* Little-endian CRC8 over the last 11 bytes of the header */ - tmp.crc_ver_init = htol32(header->crc_ver_init); - tmp.config_refresh = htol32(header->config_refresh); - tmp.config_ncdl = htol32(header->config_ncdl); - crc = crc8((char *) &tmp + 9, sizeof(struct nvram_header) - 9, CRC8_INIT_VALUE); - - /* Continue CRC8 over data bytes */ - crc = crc8((char *) &header[1], header->len - sizeof(struct nvram_header), crc); - - /* Set new CRC8 */ - header->crc_ver_init |= crc; - - /* Reinitialize hash table */ - return nvram_rehash(header); -} - -/* Initialize hash table. Should be locked. */ -int -_nvram_init(void) -{ - struct nvram_header *header; - int ret; - - if (!(header = (struct nvram_header *) MALLOC(NVRAM_SPACE))) { - printf("nvram_init: out of memory\n"); - return -12; /* -ENOMEM */ - } - - if ((ret = _nvram_read(header)) == 0 && - header->magic == NVRAM_MAGIC) - nvram_rehash(header); - - MFREE(header, NVRAM_SPACE); - return ret; -} - -/* Free hash table. Should be locked. */ -void -_nvram_exit(void) -{ - nvram_free(); -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram_linux.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram_linux.c deleted file mode 100644 index bbbc1eb735..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/nvram_linux.c +++ /dev/null @@ -1,638 +0,0 @@ -/* - * NVRAM variable manipulation (Linux kernel half) - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/slab.h> -#include <linux/bootmem.h> -#include <linux/wrapper.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/mtd/mtd.h> -#include <asm/addrspace.h> -#include <asm/io.h> -#include <asm/uaccess.h> - -#include <typedefs.h> -#include <bcmendian.h> -#include <bcmnvram.h> -#include <bcmutils.h> -#include <sbconfig.h> -#include <sbchipc.h> -#include <sbutils.h> -#include <sbmips.h> -#include <sflash.h> - -/* In BSS to minimize text size and page aligned so it can be mmap()-ed */ -static char nvram_buf[NVRAM_SPACE] __attribute__((aligned(PAGE_SIZE))); - -#ifdef MODULE - -#define early_nvram_get(name) nvram_get(name) - -#else /* !MODULE */ - -/* Global SB handle */ -extern void *bcm947xx_sbh; -extern spinlock_t bcm947xx_sbh_lock; - -/* Convenience */ -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock -#define KB * 1024 -#define MB * 1024 * 1024 - -/* Probe for NVRAM header */ -static void __init -early_nvram_init(void) -{ - struct nvram_header *header; - chipcregs_t *cc; - struct sflash *info = NULL; - int i; - uint32 base, off, lim; - - if ((cc = sb_setcore(sbh, SB_CC, 0)) != NULL) { - base = CC_FLASH_BASE; - switch (readl(&cc->capabilities) & CAP_FLASH_MASK) { - case PFLASH: - lim = CC_FLASH_MAX; - break; - - case SFLASH_ST: - case SFLASH_AT: - if ((info = sflash_init(cc)) == NULL) - return; - lim = info->size; - break; - - case FLASH_NONE: - default: - return; - } - } else { - /* extif assumed, Stop at 4 MB */ - base = FLASH_BASE; - lim = FLASH_MAX; - } - - off = FLASH_MIN; - while (off <= lim) { - /* Windowed flash access */ - header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE); - if (header->magic == NVRAM_MAGIC) { - u32 *src = (u32 *) header; - u32 *dst = (u32 *) nvram_buf; - for (i = 0; i < sizeof(struct nvram_header); i += 4) - *dst++ = *src++; - for (; i < header->len && i < NVRAM_SPACE; i += 4) - *dst++ = ltoh32(*src++); - return; - } - - /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */ - if (off == 1 KB) - break; - else if (off == 4 KB) - off = 1 KB; - else if (off == lim) - off = 4 KB; - else - off <<= 1; - } -} - -/* Early (before mm or mtd) read-only access to NVRAM */ -static char * __init -early_nvram_get(const char *name) -{ - char *var, *value, *end, *eq; - - if (!name) - return NULL; - - if (!nvram_buf[0]) - early_nvram_init(); - - /* Look for name=value and return value */ - var = &nvram_buf[sizeof(struct nvram_header)]; - end = nvram_buf + sizeof(nvram_buf) - 2; - end[0] = end[1] = '\0'; - for (; *var; var = value + strlen(value) + 1) { - if (!(eq = strchr(var, '='))) - break; - value = eq + 1; - if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0) - return value; - } - - return NULL; -} - -#endif /* !MODULE */ - -extern char * _nvram_get(const char *name); -extern int _nvram_set(const char *name, const char *value); -extern int _nvram_unset(const char *name); -extern int _nvram_getall(char *buf, int count); -extern int _nvram_commit(struct nvram_header *header); -extern int _nvram_init(void); -extern void _nvram_exit(void); - -/* Globals */ -static spinlock_t nvram_lock = SPIN_LOCK_UNLOCKED; -static struct semaphore nvram_sem; -static unsigned long nvram_offset = 0; -static int nvram_major = -1; -static devfs_handle_t nvram_handle = NULL; -static struct mtd_info *nvram_mtd = NULL; - -int -_nvram_read(char *buf) -{ - struct nvram_header *header = (struct nvram_header *) buf; - size_t len; - - if (!nvram_mtd || - MTD_READ(nvram_mtd, nvram_mtd->size - NVRAM_SPACE, NVRAM_SPACE, &len, buf) || - len != NVRAM_SPACE || - header->magic != NVRAM_MAGIC) { - /* Maybe we can recover some data from early initialization */ - memcpy(buf, nvram_buf, NVRAM_SPACE); - } - - return 0; -} - -struct nvram_tuple * -_nvram_realloc(struct nvram_tuple *t, const char *name, const char *value) -{ - if ((nvram_offset + strlen(value) + 1) > NVRAM_SPACE) - return NULL; - - if (!t) { - if (!(t = kmalloc(sizeof(struct nvram_tuple) + strlen(name) + 1, GFP_ATOMIC))) - return NULL; - - /* Copy name */ - t->name = (char *) &t[1]; - strcpy(t->name, name); - - t->value = NULL; - } - - /* Copy value */ - if (!t->value || strcmp(t->value, value)) { - t->value = &nvram_buf[nvram_offset]; - strcpy(t->value, value); - nvram_offset += strlen(value) + 1; - } - - return t; -} - -void -_nvram_free(struct nvram_tuple *t) -{ - if (!t) - nvram_offset = 0; - else - kfree(t); -} - -int -nvram_set(const char *name, const char *value) -{ - unsigned long flags; - int ret; - struct nvram_header *header; - - spin_lock_irqsave(&nvram_lock, flags); - if ((ret = _nvram_set(name, value))) { - /* Consolidate space and try again */ - if ((header = kmalloc(NVRAM_SPACE, GFP_ATOMIC))) { - if (_nvram_commit(header) == 0) - ret = _nvram_set(name, value); - kfree(header); - } - } - spin_unlock_irqrestore(&nvram_lock, flags); - - return ret; -} - -char * -real_nvram_get(const char *name) -{ - unsigned long flags; - char *value; - - spin_lock_irqsave(&nvram_lock, flags); - value = _nvram_get(name); - spin_unlock_irqrestore(&nvram_lock, flags); - - return value; -} - -char * -nvram_get(const char *name) -{ - if (nvram_major >= 0) - return real_nvram_get(name); - else - return early_nvram_get(name); -} - -int -nvram_unset(const char *name) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&nvram_lock, flags); - ret = _nvram_unset(name); - spin_unlock_irqrestore(&nvram_lock, flags); - - return ret; -} - -static void -erase_callback(struct erase_info *done) -{ - wait_queue_head_t *wait_q = (wait_queue_head_t *) done->priv; - wake_up(wait_q); -} - -int -nvram_commit(void) -{ - char *buf; - size_t erasesize, len; - unsigned int i; - int ret; - struct nvram_header *header; - unsigned long flags; - u_int32_t offset; - DECLARE_WAITQUEUE(wait, current); - wait_queue_head_t wait_q; - struct erase_info erase; - - printk("nvram_commit(): init\n"); - - if (!nvram_mtd) { - printk("nvram_commit: NVRAM not found\n"); - return -ENODEV; - } - - if (in_interrupt()) { - printk("nvram_commit: not committing in interrupt\n"); - return -EINVAL; - } - - /* Backup sector blocks to be erased */ - erasesize = ROUNDUP(NVRAM_SPACE, nvram_mtd->erasesize); - if (!(buf = kmalloc(erasesize, GFP_KERNEL))) { - printk("nvram_commit: out of memory\n"); - return -ENOMEM; - } - - down(&nvram_sem); -#if 0 - offset = nvram_mtd->size - erasesize; - i = erasesize - NVRAM_SPACE; - ret = MTD_READ(nvram_mtd, offset, i, &len, buf); - if (ret || len != i) { - printk("nvram_commit: read error\n"); - ret = -EIO; - goto done; -#endif - if ((i = erasesize - NVRAM_SPACE) > 0) { - offset = nvram_mtd->size - erasesize; - len = 0; - ret = MTD_READ(nvram_mtd, offset, i, &len, buf); - if (ret || len != i) { - printk("nvram_commit: read error ret = %d, len = %d/%d\n", ret, len, i); - ret = -EIO; - goto done; - } - header = (struct nvram_header *)(buf + i); - } else { - offset = nvram_mtd->size - NVRAM_SPACE; - header = (struct nvram_header *)buf; - } - - /* Regenerate NVRAM */ - spin_lock_irqsave(&nvram_lock, flags); - ret = _nvram_commit(header); - spin_unlock_irqrestore(&nvram_lock, flags); - if (ret) - goto done; - - /* Erase sector blocks */ - init_waitqueue_head(&wait_q); - for (; offset < nvram_mtd->size - NVRAM_SPACE + header->len; offset += nvram_mtd->erasesize) { - erase.mtd = nvram_mtd; - erase.addr = offset; - erase.len = nvram_mtd->erasesize; - erase.callback = erase_callback; - erase.priv = (u_long) &wait_q; - - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&wait_q, &wait); - - /* Unlock sector blocks */ - if (nvram_mtd->unlock) - nvram_mtd->unlock(nvram_mtd, offset, nvram_mtd->erasesize); - - if ((ret = MTD_ERASE(nvram_mtd, &erase))) { - set_current_state(TASK_RUNNING); - remove_wait_queue(&wait_q, &wait); - printk("nvram_commit: erase error\n"); - goto done; - } - - /* Wait for erase to finish */ - schedule(); - remove_wait_queue(&wait_q, &wait); - } - - /* Write partition up to end of data area */ - offset = nvram_mtd->size - erasesize; - i = erasesize - NVRAM_SPACE + header->len; - ret = MTD_WRITE(nvram_mtd, offset, i, &len, buf); - if (ret || len != i) { - printk("nvram_commit: write error\n"); - ret = -EIO; - goto done; - } - /* - * Reading a few bytes back here will put the device - * back to the correct mode on certain flashes */ - - offset = nvram_mtd->size - erasesize; - ret = MTD_READ(nvram_mtd, offset, 4, &len, buf); - - done: - up(&nvram_sem); - kfree(buf); - printk("nvram_commit(): end\n"); - return ret; -} - -int -nvram_getall(char *buf, int count) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&nvram_lock, flags); - ret = _nvram_getall(buf, count); - spin_unlock_irqrestore(&nvram_lock, flags); - - return ret; -} - -EXPORT_SYMBOL(nvram_get); -EXPORT_SYMBOL(nvram_getall); -EXPORT_SYMBOL(nvram_set); -EXPORT_SYMBOL(nvram_unset); -EXPORT_SYMBOL(nvram_commit); - -/* User mode interface below */ - -static ssize_t -dev_nvram_read(struct file *file, char *buf, size_t count, loff_t *ppos) -{ - char tmp[100], *name = tmp, *value; - ssize_t ret; - unsigned long off; - - if (count > sizeof(tmp)) { - if (!(name = kmalloc(count, GFP_KERNEL))) - return -ENOMEM; - } - - if (copy_from_user(name, buf, count)) { - ret = -EFAULT; - goto done; - } - - if (*name == '\0') { - /* Get all variables */ - ret = nvram_getall(name, count); - if (ret == 0) { - if (copy_to_user(buf, name, count)) { - ret = -EFAULT; - goto done; - } - ret = count; - } - } else { - if (!(value = nvram_get(name))) { - ret = 0; - goto done; - } - - /* Provide the offset into mmap() space */ - off = (unsigned long) value - (unsigned long) nvram_buf; - - if (put_user(off, (unsigned long *) buf)) { - ret = -EFAULT; - goto done; - } - - ret = sizeof(unsigned long); - } - - flush_cache_all(); - -done: - if (name != tmp) - kfree(name); - - return ret; -} - -static ssize_t -dev_nvram_write(struct file *file, const char *buf, size_t count, loff_t *ppos) -{ - char tmp[100], *name = tmp, *value; - ssize_t ret; - - if (count > sizeof(tmp)) { - if (!(name = kmalloc(count, GFP_KERNEL))) - return -ENOMEM; - } - - if (copy_from_user(name, buf, count)) { - ret = -EFAULT; - goto done; - } - - value = name; - name = strsep(&value, "="); - if (value) - ret = nvram_set(name, value) ? : count; - else - ret = nvram_unset(name) ? : count; - - done: - if (name != tmp) - kfree(name); - - return ret; -} - -static int -dev_nvram_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - if (cmd != NVRAM_MAGIC) - return -EINVAL; - return nvram_commit(); -} - -static int -dev_nvram_mmap(struct file *file, struct vm_area_struct *vma) -{ - unsigned long offset = virt_to_phys(nvram_buf); - - if (remap_page_range(vma->vm_start, offset, vma->vm_end-vma->vm_start, - vma->vm_page_prot)) - return -EAGAIN; - - return 0; -} - -static int -dev_nvram_open(struct inode *inode, struct file * file) -{ - MOD_INC_USE_COUNT; - return 0; -} - -static int -dev_nvram_release(struct inode *inode, struct file * file) -{ - MOD_DEC_USE_COUNT; - return 0; -} - -static struct file_operations dev_nvram_fops = { - owner: THIS_MODULE, - open: dev_nvram_open, - release: dev_nvram_release, - read: dev_nvram_read, - write: dev_nvram_write, - ioctl: dev_nvram_ioctl, - mmap: dev_nvram_mmap, -}; - -static void -dev_nvram_exit(void) -{ - int order = 0; - struct page *page, *end; - - if (nvram_handle) - devfs_unregister(nvram_handle); - - if (nvram_major >= 0) - devfs_unregister_chrdev(nvram_major, "nvram"); - - if (nvram_mtd) - put_mtd_device(nvram_mtd); - - while ((PAGE_SIZE << order) < NVRAM_SPACE) - order++; - end = virt_to_page(nvram_buf + (PAGE_SIZE << order) - 1); - for (page = virt_to_page(nvram_buf); page <= end; page++) - mem_map_unreserve(page); - - _nvram_exit(); -} - -static int __init -dev_nvram_init(void) -{ - int order = 0, ret = 0; - struct page *page, *end; - unsigned int i; - - /* Allocate and reserve memory to mmap() */ - while ((PAGE_SIZE << order) < NVRAM_SPACE) - order++; - end = virt_to_page(nvram_buf + (PAGE_SIZE << order) - 1); - for (page = virt_to_page(nvram_buf); page <= end; page++) - mem_map_reserve(page); - -#ifdef CONFIG_MTD - /* Find associated MTD device */ - for (i = 0; i < MAX_MTD_DEVICES; i++) { - nvram_mtd = get_mtd_device(NULL, i); - if (nvram_mtd) { - if (!strcmp(nvram_mtd->name, "nvram") && - nvram_mtd->size >= NVRAM_SPACE) - break; - put_mtd_device(nvram_mtd); - } - } - if (i >= MAX_MTD_DEVICES) - nvram_mtd = NULL; -#endif - - /* Initialize hash table lock */ - spin_lock_init(&nvram_lock); - - /* Initialize commit semaphore */ - init_MUTEX(&nvram_sem); - - /* Register char device */ - if ((nvram_major = devfs_register_chrdev(0, "nvram", &dev_nvram_fops)) < 0) { - ret = nvram_major; - goto err; - } - - /* Initialize hash table */ - _nvram_init(); - - /* Create /dev/nvram handle */ - nvram_handle = devfs_register(NULL, "nvram", DEVFS_FL_NONE, nvram_major, 0, - S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, &dev_nvram_fops, NULL); - - /* Set the SDRAM NCDL value into NVRAM if not already done */ - if (getintvar(NULL, "sdram_ncdl") == 0) { - unsigned int ncdl; - char buf[] = "0x00000000"; - - if ((ncdl = sb_memc_get_ncdl(sbh))) { - sprintf(buf, "0x%08x", ncdl); - nvram_set("sdram_ncdl", buf); - nvram_commit(); - } - } - - return 0; - - err: - dev_nvram_exit(); - return ret; -} - -module_init(dev_nvram_init); -module_exit(dev_nvram_exit); diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/pcibios.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/pcibios.c deleted file mode 100644 index 4077a79f34..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/pcibios.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * Low-Level PCI and SB support for BCM47xx (Linux support code) - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/paccess.h> - -#include <typedefs.h> -#include <bcmutils.h> -#include <sbconfig.h> -#include <sbpci.h> -#include <pcicfg.h> -#include <sbutils.h> -#include <bcmdevs.h> -#include <bcmnvram.h> - -/* Global SB handle */ -extern void *bcm947xx_sbh; -extern spinlock_t bcm947xx_sbh_lock; - -/* Convenience */ -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock - -static int -sbpci_read_config_byte(struct pci_dev *dev, int where, u8 *value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_read_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, value, sizeof(*value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int -sbpci_read_config_word(struct pci_dev *dev, int where, u16 *value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_read_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, value, sizeof(*value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int -sbpci_read_config_dword(struct pci_dev *dev, int where, u32 *value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_read_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, value, sizeof(*value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int -sbpci_write_config_byte(struct pci_dev *dev, int where, u8 value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_write_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, &value, sizeof(value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int -sbpci_write_config_word(struct pci_dev *dev, int where, u16 value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_write_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, &value, sizeof(value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int -sbpci_write_config_dword(struct pci_dev *dev, int where, u32 value) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&sbh_lock, flags); - ret = sbpci_write_config(sbh, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), where, &value, sizeof(value)); - spin_unlock_irqrestore(&sbh_lock, flags); - return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops pcibios_ops = { - sbpci_read_config_byte, - sbpci_read_config_word, - sbpci_read_config_dword, - sbpci_write_config_byte, - sbpci_write_config_word, - sbpci_write_config_dword -}; - - -void __init -pcibios_init(void) -{ - ulong flags; - - if (!(sbh = sb_kattach())) - panic("sb_kattach failed"); - spin_lock_init(&sbh_lock); - - spin_lock_irqsave(&sbh_lock, flags); - sbpci_init(sbh); - spin_unlock_irqrestore(&sbh_lock, flags); - - set_io_port_base((unsigned long) ioremap_nocache(SB_PCI_MEM, 0x04000000)); - - /* Scan the SB bus */ - pci_scan_bus(0, &pcibios_ops, NULL); - -} - -char * __init -pcibios_setup(char *str) -{ - if (!strncmp(str, "ban=", 4)) { - sbpci_ban(simple_strtoul(str + 4, NULL, 0)); - return NULL; - } - - return (str); -} - -static u32 pci_iobase = 0x100; -static u32 pci_membase = SB_PCI_DMA; - -void __init -pcibios_fixup_bus(struct pci_bus *b) -{ - struct list_head *ln; - struct pci_dev *d; - struct resource *res; - int pos, size; - u32 *base; - u8 irq; - - printk("PCI: Fixing up bus %d\n", b->number); - - /* Fix up SB */ - if (b->number == 0) { - for (ln=b->devices.next; ln != &b->devices; ln=ln->next) { - d = pci_dev_b(ln); - /* Fix up interrupt lines */ - pci_read_config_byte(d, PCI_INTERRUPT_LINE, &irq); - d->irq = irq + 2; - pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); - } - } - - /* Fix up external PCI */ - else { - for (ln=b->devices.next; ln != &b->devices; ln=ln->next) { - d = pci_dev_b(ln); - /* Fix up resource bases */ - for (pos = 0; pos < 6; pos++) { - res = &d->resource[pos]; - base = (res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase; - if (res->end) { - size = res->end - res->start + 1; - if (*base & (size - 1)) - *base = (*base + size) & ~(size - 1); - res->start = *base; - res->end = res->start + size - 1; - *base += size; - pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); - } - /* Fix up PCI bridge BAR0 only */ - if (b->number == 1 && PCI_SLOT(d->devfn) == 0) - break; - } - /* Fix up interrupt lines */ - if (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL)) - d->irq = (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL))->irq; - pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); - } - } -} - -unsigned int -pcibios_assign_all_busses(void) -{ - return 1; -} - -void -pcibios_align_resource(void *data, struct resource *res, - unsigned long size, unsigned long align) -{ -} - -int -pcibios_enable_resources(struct pci_dev *dev) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - /* External PCI only */ - if (dev->bus->number == 0) - return 0; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for(idx=0; idx<6; idx++) { - r = &dev->resource[idx]; - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (dev->resource[PCI_ROM_RESOURCE].start) - cmd |= PCI_COMMAND_MEMORY; - if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", dev->slot_name, old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -int -pcibios_enable_device(struct pci_dev *dev, int mask) -{ - ulong flags; - uint coreidx; - - /* External PCI device enable */ - if (dev->bus->number != 0) - return pcibios_enable_resources(dev); - - /* These cores come out of reset enabled */ - if (dev->device == SB_MIPS || - dev->device == SB_MIPS33 || - dev->device == SB_EXTIF || - dev->device == SB_CC) - return 0; - - spin_lock_irqsave(&sbh_lock, flags); - coreidx = sb_coreidx(sbh); - if (!sb_setcoreidx(sbh, PCI_SLOT(dev->devfn))) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* - * The USB core requires a special bit to be set during core - * reset to enable host (OHCI) mode. Resetting the SB core in - * pcibios_enable_device() is a hack for compatibility with - * vanilla usb-ohci so that it does not have to know about - * SB. A driver that wants to use the USB core in device mode - * should know about SB and should reset the bit back to 0 - * after calling pcibios_enable_device(). - */ - if (sb_coreid(sbh) == SB_USB) { - sb_core_disable(sbh, sb_coreflags(sbh, 0, 0)); - sb_core_reset(sbh, 1 << 29); - } else - sb_core_reset(sbh, 0); - - sb_setcoreidx(sbh, coreidx); - spin_unlock_irqrestore(&sbh_lock, flags); - - return 0; -} - -void -pcibios_update_resource(struct pci_dev *dev, struct resource *root, - struct resource *res, int resource) -{ - unsigned long where, size; - u32 reg; - - /* External PCI only */ - if (dev->bus->number == 0) - return; - - where = PCI_BASE_ADDRESS_0 + (resource * 4); - size = res->end - res->start; - pci_read_config_dword(dev, where, ®); - reg = (reg & size) | (((u32)(res->start - root->start)) & ~size); - pci_write_config_dword(dev, where, reg); -} - -static void __init -quirk_sbpci_bridge(struct pci_dev *dev) -{ - if (dev->bus->number != 1 || PCI_SLOT(dev->devfn) != 0) - return; - - printk("PCI: Fixing up bridge\n"); - - /* Enable PCI bridge bus mastering and memory space */ - pci_set_master(dev); - pcibios_enable_resources(dev); - - /* Enable PCI bridge BAR1 prefetch and burst */ - pci_write_config_dword(dev, PCI_BAR1_CONTROL, 3); -} - -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", dev->slot_name, lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} - -struct pci_fixup pcibios_fixups[] = { - { PCI_FIXUP_HEADER, PCI_ANY_ID, PCI_ANY_ID, quirk_sbpci_bridge }, - { 0 } -}; diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/perfcntr.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/perfcntr.c deleted file mode 100644 index aa0608e6e3..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/perfcntr.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Broadcom BCM47xx Performance Counter /proc/cpuinfo support - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <asm/mipsregs.h> - -/* - * BCM4710 performance counter register select values - * No even-odd control-counter mapping, just counters - */ -#define PERF_DCACHE_HIT 0 -#define PERF_DCACHE_MISS 1 -#define PERF_ICACHE_HIT 2 -#define PERF_ICACHE_MISS 3 -#define PERF_ICOUNT 4 - -/* - * Move from Coprocessor 0 Register 25 Select n - * data <- CPR[0,25,n] - * GPR[1] <- data - */ -#define read_bcm4710_perf_cntr(n) \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - ".set\tnoat\n\t" \ - ".word\t"STR(0x4001c800|(n))"\n\t" \ - "move\t%0,$1\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ - :"=r" (__res)); \ - __res;}) - -asmlinkage unsigned int read_perf_cntr(unsigned int counter) -{ - switch (counter) { - case PERF_DCACHE_HIT: return read_bcm4710_perf_cntr(PERF_DCACHE_HIT); - case PERF_DCACHE_MISS: return read_bcm4710_perf_cntr(PERF_DCACHE_MISS); - case PERF_ICACHE_HIT: return read_bcm4710_perf_cntr(PERF_ICACHE_HIT); - case PERF_ICACHE_MISS: return read_bcm4710_perf_cntr(PERF_ICACHE_MISS); - case PERF_ICOUNT: return read_bcm4710_perf_cntr(PERF_ICOUNT); - } - return 0; -} - -asmlinkage void write_perf_cntr(unsigned int counter, unsigned int val) -{ -} - -asmlinkage unsigned int read_perf_cntl(unsigned int counter) -{ - return 0; -} - -asmlinkage void write_perf_cntl(unsigned int counter, unsigned int val) -{ -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/prom.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/prom.c deleted file mode 100644 index e41f44b9e2..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/prom.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Early initialization code for BCM94710 boards - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/bootinfo.h> - -void __init -prom_init(int argc, const char **argv) -{ - unsigned long mem; - - mips_machgroup = MACH_GROUP_BRCM; - mips_machtype = MACH_BCM947XX; - - /* Figure out memory size by finding aliases */ - for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) { - if (*(unsigned long *)((unsigned long)(prom_init) + mem) == - *(unsigned long *)(prom_init)) - break; - } - add_memory_region(0, mem, BOOT_MEM_RAM); -} - -void __init -prom_free_prom_memory(void) -{ -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbmips.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbmips.c deleted file mode 100644 index 6daaeb78c0..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbmips.c +++ /dev/null @@ -1,951 +0,0 @@ -/* - * BCM47XX Sonics SiliconBackplane MIPS core routines - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <typedefs.h> -#include <osl.h> -#include <sbutils.h> -#include <bcmdevs.h> -#include <bcmnvram.h> -#include <bcmutils.h> -#include <hndmips.h> -#include <sbconfig.h> -#include <sbextif.h> -#include <sbchipc.h> -#include <sbmemc.h> - -/* - * Memory segments (32bit kernel mode addresses) - */ -#undef KUSEG -#undef KSEG0 -#undef KSEG1 -#undef KSEG2 -#undef KSEG3 -#define KUSEG 0x00000000 -#define KSEG0 0x80000000 -#define KSEG1 0xa0000000 -#define KSEG2 0xc0000000 -#define KSEG3 0xe0000000 - -/* - * Map an address to a certain kernel segment - */ -#undef KSEG0ADDR -#undef KSEG1ADDR -#undef KSEG2ADDR -#undef KSEG3ADDR -#define KSEG0ADDR(a) (((a) & 0x1fffffff) | KSEG0) -#define KSEG1ADDR(a) (((a) & 0x1fffffff) | KSEG1) -#define KSEG2ADDR(a) (((a) & 0x1fffffff) | KSEG2) -#define KSEG3ADDR(a) (((a) & 0x1fffffff) | KSEG3) - -/* - * The following macros are especially useful for __asm__ - * inline assembler. - */ -#ifndef __STR -#define __STR(x) #x -#endif -#ifndef STR -#define STR(x) __STR(x) -#endif - -/* ********************************************************************* - * CP0 Registers - ********************************************************************* */ - -#define C0_INX 0 /* CP0: TLB Index */ -#define C0_RAND 1 /* CP0: TLB Random */ -#define C0_TLBLO0 2 /* CP0: TLB EntryLo0 */ -#define C0_TLBLO C0_TLBLO0 /* CP0: TLB EntryLo0 */ -#define C0_TLBLO1 3 /* CP0: TLB EntryLo1 */ -#define C0_CTEXT 4 /* CP0: Context */ -#define C0_PGMASK 5 /* CP0: TLB PageMask */ -#define C0_WIRED 6 /* CP0: TLB Wired */ -#define C0_BADVADDR 8 /* CP0: Bad Virtual Address */ -#define C0_COUNT 9 /* CP0: Count */ -#define C0_TLBHI 10 /* CP0: TLB EntryHi */ -#define C0_COMPARE 11 /* CP0: Compare */ -#define C0_SR 12 /* CP0: Processor Status */ -#define C0_STATUS C0_SR /* CP0: Processor Status */ -#define C0_CAUSE 13 /* CP0: Exception Cause */ -#define C0_EPC 14 /* CP0: Exception PC */ -#define C0_PRID 15 /* CP0: Processor Revision Indentifier */ -#define C0_CONFIG 16 /* CP0: Config */ -#define C0_LLADDR 17 /* CP0: LLAddr */ -#define C0_WATCHLO 18 /* CP0: WatchpointLo */ -#define C0_WATCHHI 19 /* CP0: WatchpointHi */ -#define C0_XCTEXT 20 /* CP0: XContext */ -#define C0_DIAGNOSTIC 22 /* CP0: Diagnostic */ -#define C0_BROADCOM C0_DIAGNOSTIC /* CP0: Broadcom Register */ -#define C0_ECC 26 /* CP0: ECC */ -#define C0_CACHEERR 27 /* CP0: CacheErr */ -#define C0_TAGLO 28 /* CP0: TagLo */ -#define C0_TAGHI 29 /* CP0: TagHi */ -#define C0_ERREPC 30 /* CP0: ErrorEPC */ - -/* - * Macros to access the system control coprocessor - */ - -#define MFC0(source, sel) \ -({ \ - int __res; \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - ".set\tnoat\n\t" \ - ".word\t"STR(0x40010000 | ((source)<<11) | (sel))"\n\t" \ - "move\t%0,$1\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ - :"=r" (__res) \ - : \ - :"$1"); \ - __res; \ -}) - -#define MTC0(source, sel, value) \ -do { \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - ".set\tnoat\n\t" \ - "move\t$1,%z0\n\t" \ - ".word\t"STR(0x40810000 | ((source)<<11) | (sel))"\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ - : \ - :"Jr" (value) \ - :"$1"); \ -} while (0) - -/* - * R4x00 interrupt enable / cause bits - */ -#undef IE_SW0 -#undef IE_SW1 -#undef IE_IRQ0 -#undef IE_IRQ1 -#undef IE_IRQ2 -#undef IE_IRQ3 -#undef IE_IRQ4 -#undef IE_IRQ5 -#define IE_SW0 (1<< 8) -#define IE_SW1 (1<< 9) -#define IE_IRQ0 (1<<10) -#define IE_IRQ1 (1<<11) -#define IE_IRQ2 (1<<12) -#define IE_IRQ3 (1<<13) -#define IE_IRQ4 (1<<14) -#define IE_IRQ5 (1<<15) - -/* - * Bitfields in the R4xx0 cp0 status register - */ -#define ST0_IE 0x00000001 -#define ST0_EXL 0x00000002 -#define ST0_ERL 0x00000004 -#define ST0_KSU 0x00000018 -# define KSU_USER 0x00000010 -# define KSU_SUPERVISOR 0x00000008 -# define KSU_KERNEL 0x00000000 -#define ST0_UX 0x00000020 -#define ST0_SX 0x00000040 -#define ST0_KX 0x00000080 -#define ST0_DE 0x00010000 -#define ST0_CE 0x00020000 - -/* - * Status register bits available in all MIPS CPUs. - */ -#define ST0_IM 0x0000ff00 -#define ST0_CH 0x00040000 -#define ST0_SR 0x00100000 -#define ST0_TS 0x00200000 -#define ST0_BEV 0x00400000 -#define ST0_RE 0x02000000 -#define ST0_FR 0x04000000 -#define ST0_CU 0xf0000000 -#define ST0_CU0 0x10000000 -#define ST0_CU1 0x20000000 -#define ST0_CU2 0x40000000 -#define ST0_CU3 0x80000000 -#define ST0_XX 0x80000000 /* MIPS IV naming */ - -/* - * Cache Operations - */ - -#ifndef Fill_I -#define Fill_I 0x14 -#endif - -#define cache_unroll(base,op) \ - __asm__ __volatile__(" \ - .set noreorder; \ - .set mips3; \ - cache %1, (%0); \ - .set mips0; \ - .set reorder" \ - : \ - : "r" (base), \ - "i" (op)); - -/* - * These are the UART port assignments, expressed as offsets from the base - * register. These assignments should hold for any serial port based on - * a 8250, 16450, or 16550(A). - */ - -#define UART_MCR 4 /* Out: Modem Control Register */ -#define UART_MSR 6 /* In: Modem Status Register */ -#define UART_MCR_LOOP 0x10 /* Enable loopback test mode */ - -/* - * Returns TRUE if an external UART exists at the given base - * register. - */ -static bool -serial_exists(uint8 *regs) -{ - uint8 save_mcr, status1; - - save_mcr = R_REG(®s[UART_MCR]); - W_REG(®s[UART_MCR], UART_MCR_LOOP | 0x0a); - status1 = R_REG(®s[UART_MSR]) & 0xf0; - W_REG(®s[UART_MCR], save_mcr); - - return (status1 == 0x90); -} - -/* - * Initializes UART access. The callback function will be called once - * per found UART. -*/ -void -sb_serial_init(void *sbh, void (*add)(void *regs, uint irq, uint baud_base, uint reg_shift)) -{ - void *regs; - ulong base; - uint irq; - int i, n; - - if ((regs = sb_setcore(sbh, SB_EXTIF, 0))) { - extifregs_t *eir = (extifregs_t *) regs; - sbconfig_t *sb; - - /* Determine external UART register base */ - sb = (sbconfig_t *)((ulong) eir + SBCONFIGOFF); - base = EXTIF_CFGIF_BASE(sb_base(R_REG(&sb->sbadmatch1))); - - /* Determine IRQ */ - irq = sb_irq(sbh); - - /* Disable GPIO interrupt initially */ - W_REG(&eir->gpiointpolarity, 0); - W_REG(&eir->gpiointmask, 0); - - /* Search for external UARTs */ - n = 2; - for (i = 0; i < 2; i++) { - regs = (void *) REG_MAP(base + (i * 8), 8); - if (serial_exists(regs)) { - /* Set GPIO 1 to be the external UART IRQ */ - W_REG(&eir->gpiointmask, 2); - if (add) - add(regs, irq, 13500000, 0); - } - } - - /* Add internal UART if enabled */ - if (R_REG(&eir->corecontrol) & CC_UE) - if (add) - add((void *) &eir->uartdata, irq, sb_clock(sbh), 2); - } else if ((regs = sb_setcore(sbh, SB_CC, 0))) { - chipcregs_t *cc = (chipcregs_t *) regs; - uint32 rev, cap, pll, baud_base, div; - - /* Determine core revision and capabilities */ - rev = sb_corerev(sbh); - cap = R_REG(&cc->capabilities); - pll = cap & CAP_PLL_MASK; - - /* Determine IRQ */ - irq = sb_irq(sbh); - - if (pll == PLL_TYPE1) { - /* PLL clock */ - baud_base = sb_clock_rate(pll, - R_REG(&cc->clockcontrol_n), - R_REG(&cc->clockcontrol_m2)); - div = 1; - } else if (rev >= 3) { - /* Internal backplane clock */ - baud_base = sb_clock_rate(pll, - R_REG(&cc->clockcontrol_n), - R_REG(&cc->clockcontrol_sb)); - div = 2; /* Minimum divisor */ - W_REG(&cc->clkdiv, ((R_REG(&cc->clkdiv) & ~CLKD_UART) | div)); - } else { - /* Fixed internal backplane clock */ - baud_base = 88000000; - div = 48; - } - - /* Clock source depends on strapping if UartClkOverride is unset */ - if ((rev > 0) && ((R_REG(&cc->corecontrol) & CC_UARTCLKO) == 0)) { - if ((cap & CAP_UCLKSEL) == CAP_UINTCLK) { - /* Internal divided backplane clock */ - baud_base /= div; - } else { - /* Assume external clock of 1.8432 MHz */ - baud_base = 1843200; - } - } - - /* Add internal UARTs */ - n = cap & CAP_UARTS_MASK; - for (i = 0; i < n; i++) { - /* Register offset changed after revision 0 */ - if (rev) - regs = (void *)((ulong) &cc->uart0data + (i * 256)); - else - regs = (void *)((ulong) &cc->uart0data + (i * 8)); - - if (add) - add(regs, irq, baud_base, 0); - } - } -} - -/* Returns the SB interrupt flag of the current core. */ -uint32 -sb_flag(void *sbh) -{ - void *regs; - sbconfig_t *sb; - - regs = sb_coreregs(sbh); - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - - return (R_REG(&sb->sbtpsflag) & SBTPS_NUM0_MASK); -} - -static const uint32 sbips_int_mask[] = { - 0, - SBIPS_INT1_MASK, - SBIPS_INT2_MASK, - SBIPS_INT3_MASK, - SBIPS_INT4_MASK -}; - -static const uint32 sbips_int_shift[] = { - 0, - 0, - SBIPS_INT2_SHIFT, - SBIPS_INT3_SHIFT, - SBIPS_INT4_SHIFT -}; - -/* - * Returns the MIPS IRQ assignment of the current core. If unassigned, - * 0 is returned. - */ -uint -sb_irq(void *sbh) -{ - uint idx; - void *regs; - sbconfig_t *sb; - uint32 flag, sbipsflag; - uint irq = 0; - - flag = sb_flag(sbh); - - idx = sb_coreidx(sbh); - - if ((regs = sb_setcore(sbh, SB_MIPS, 0)) || - (regs = sb_setcore(sbh, SB_MIPS33, 0))) { - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - - /* sbipsflag specifies which core is routed to interrupts 1 to 4 */ - sbipsflag = R_REG(&sb->sbipsflag); - for (irq = 1; irq <= 4; irq++) { - if (((sbipsflag & sbips_int_mask[irq]) >> sbips_int_shift[irq]) == flag) - break; - } - if (irq == 5) - irq = 0; - } - - sb_setcoreidx(sbh, idx); - - return irq; -} - -/* Clears the specified MIPS IRQ. */ -static void -sb_clearirq(void *sbh, uint irq) -{ - void *regs; - sbconfig_t *sb; - - if (!(regs = sb_setcore(sbh, SB_MIPS, 0)) && - !(regs = sb_setcore(sbh, SB_MIPS33, 0))) - ASSERT(regs); - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - - if (irq == 0) - W_REG(&sb->sbintvec, 0); - else - OR_REG(&sb->sbipsflag, sbips_int_mask[irq]); -} - -/* - * Assigns the specified MIPS IRQ to the specified core. Shared MIPS - * IRQ 0 may be assigned more than once. - */ -static void -sb_setirq(void *sbh, uint irq, uint coreid, uint coreunit) -{ - void *regs; - sbconfig_t *sb; - uint32 flag; - - regs = sb_setcore(sbh, coreid, coreunit); - ASSERT(regs); - flag = sb_flag(sbh); - - if (!(regs = sb_setcore(sbh, SB_MIPS, 0)) && - !(regs = sb_setcore(sbh, SB_MIPS33, 0))) - ASSERT(regs); - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - - if (irq == 0) - OR_REG(&sb->sbintvec, 1 << flag); - else { - flag <<= sbips_int_shift[irq]; - ASSERT(!(flag & ~sbips_int_mask[irq])); - flag |= R_REG(&sb->sbipsflag) & ~sbips_int_mask[irq]; - W_REG(&sb->sbipsflag, flag); - } -} - -/* - * Initializes clocks and interrupts. SB and NVRAM access must be - * initialized prior to calling. - */ -void -sb_mips_init(void *sbh) -{ - ulong hz, ns, tmp; - extifregs_t *eir; - chipcregs_t *cc; - char *value; - uint irq; - - /* Figure out current SB clock speed */ - if ((hz = sb_clock(sbh)) == 0) - hz = 100000000; - ns = 1000000000 / hz; - - /* Setup external interface timing */ - if ((eir = sb_setcore(sbh, SB_EXTIF, 0))) { - /* Initialize extif so we can get to the LEDs and external UART */ - W_REG(&eir->prog_config, CF_EN); - - /* Set timing for the flash */ - tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ - tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */ - tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ - W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ - - /* Set programmable interface timing for external uart */ - tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ - tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */ - tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */ - tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ - W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ - } else if ((cc = sb_setcore(sbh, SB_CC, 0))) { - /* Set timing for the flash */ - tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ - tmp |= CEIL(10, ns) << FW_W1_SHIFT; /* W1 = 10nS */ - tmp |= CEIL(120, ns); /* W0 = 120nS */ - W_REG(&cc->flash_waitcount, tmp); - - W_REG(&cc->pcmcia_memwait, tmp); - } - - /* Chip specific initialization */ - switch (sb_chip(sbh)) { - case BCM4710_DEVICE_ID: - /* Clear interrupt map */ - for (irq = 0; irq <= 4; irq++) - sb_clearirq(sbh, irq); - sb_setirq(sbh, 0, SB_CODEC, 0); - sb_setirq(sbh, 0, SB_EXTIF, 0); - sb_setirq(sbh, 2, SB_ENET, 1); - sb_setirq(sbh, 3, SB_ILINE20, 0); - sb_setirq(sbh, 4, SB_PCI, 0); - ASSERT(eir); - value = nvram_get("et0phyaddr"); - if (value && !strcmp(value, "31")) { - /* Enable internal UART */ - W_REG(&eir->corecontrol, CC_UE); - /* Give USB its own interrupt */ - sb_setirq(sbh, 1, SB_USB, 0); - } else { - /* Disable internal UART */ - W_REG(&eir->corecontrol, 0); - /* Give Ethernet its own interrupt */ - sb_setirq(sbh, 1, SB_ENET, 0); - sb_setirq(sbh, 0, SB_USB, 0); - } - break; - case BCM4310_DEVICE_ID: - MTC0(C0_BROADCOM, 0, MFC0(C0_BROADCOM, 0) & ~(1 << 22)); - break; - } -} - -uint32 -sb_mips_clock(void *sbh) -{ - extifregs_t *eir; - chipcregs_t *cc; - uint32 n, m; - uint idx; - uint32 pll_type, rate = 0; - - /* get index of the current core */ - idx = sb_coreidx(sbh); - pll_type = PLL_TYPE1; - - /* switch to extif or chipc core */ - if ((eir = (extifregs_t *) sb_setcore(sbh, SB_EXTIF, 0))) { - n = R_REG(&eir->clockcontrol_n); - m = R_REG(&eir->clockcontrol_sb); - } else if ((cc = (chipcregs_t *) sb_setcore(sbh, SB_CC, 0))) { - pll_type = R_REG(&cc->capabilities) & CAP_PLL_MASK; - n = R_REG(&cc->clockcontrol_n); - if ((pll_type == PLL_TYPE2) || (pll_type == PLL_TYPE4)) - m = R_REG(&cc->clockcontrol_mips); - else if (pll_type == PLL_TYPE3) { - rate = 200000000; - goto out; - } else - m = R_REG(&cc->clockcontrol_sb); - } else - goto out; - - /* calculate rate */ - rate = sb_clock_rate(pll_type, n, m); - -out: - /* switch back to previous core */ - sb_setcoreidx(sbh, idx); - - return rate; -} - -static void -icache_probe(int *size, int *lsize) -{ - uint32 config1; - uint sets, ways; - - config1 = MFC0(C0_CONFIG, 1); - - /* Instruction Cache Size = Associativity * Line Size * Sets Per Way */ - if ((*lsize = ((config1 >> 19) & 7))) - *lsize = 2 << *lsize; - sets = 64 << ((config1 >> 22) & 7); - ways = 1 + ((config1 >> 16) & 7); - *size = *lsize * sets * ways; -} - -#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4) - -static void -handler(void) -{ - /* Step 11 */ - __asm__ ( - ".set\tmips32\n\t" - "ssnop\n\t" - "ssnop\n\t" - /* Disable interrupts */ - /* MTC0(C0_STATUS, 0, MFC0(C0_STATUS, 0) & ~(ALLINTS | STO_IE)); */ - "mfc0 $15, $12\n\t" - "and $15, $15, -31746\n\t" - "mtc0 $15, $12\n\t" - "eret\n\t" - "nop\n\t" - "nop\n\t" - ".set\tmips0" - ); -} - -/* The following MUST come right after handler() */ -static void -afterhandler(void) -{ -} - -/* - * Set the MIPS, backplane and PCI clocks as closely as possible. - */ -bool -sb_mips_setclock(void *sbh, uint32 mipsclock, uint32 sbclock, uint32 pciclock) -{ - extifregs_t *eir = NULL; - chipcregs_t *cc = NULL; - mipsregs_t *mipsr = NULL; - volatile uint32 *clockcontrol_n, *clockcontrol_sb, *clockcontrol_pci; - uint32 orig_n, orig_sb, orig_pci, orig_m2, orig_mips, orig_ratio_parm, new_ratio; - uint32 pll_type, sync_mode; - uint idx, i; - typedef struct { - uint32 mipsclock; - uint16 n; - uint32 sb; - uint32 pci33; - uint32 pci25; - } n3m_table_t; - static n3m_table_t type1_table[] = { - { 96000000, 0x0303, 0x04020011, 0x11030011, 0x11050011 }, /* 96.000 32.000 24.000 */ - { 100000000, 0x0009, 0x04020011, 0x11030011, 0x11050011 }, /* 100.000 33.333 25.000 */ - { 104000000, 0x0802, 0x04020011, 0x11050009, 0x11090009 }, /* 104.000 31.200 24.960 */ - { 108000000, 0x0403, 0x04020011, 0x11050009, 0x02000802 }, /* 108.000 32.400 24.923 */ - { 112000000, 0x0205, 0x04020011, 0x11030021, 0x02000403 }, /* 112.000 32.000 24.889 */ - { 115200000, 0x0303, 0x04020009, 0x11030011, 0x11050011 }, /* 115.200 32.000 24.000 */ - { 120000000, 0x0011, 0x04020011, 0x11050011, 0x11090011 }, /* 120.000 30.000 24.000 */ - { 124800000, 0x0802, 0x04020009, 0x11050009, 0x11090009 }, /* 124.800 31.200 24.960 */ - { 128000000, 0x0305, 0x04020011, 0x11050011, 0x02000305 }, /* 128.000 32.000 24.000 */ - { 132000000, 0x0603, 0x04020011, 0x11050011, 0x02000305 }, /* 132.000 33.000 24.750 */ - { 136000000, 0x0c02, 0x04020011, 0x11090009, 0x02000603 }, /* 136.000 32.640 24.727 */ - { 140000000, 0x0021, 0x04020011, 0x11050021, 0x02000c02 }, /* 140.000 30.000 24.706 */ - { 144000000, 0x0405, 0x04020011, 0x01020202, 0x11090021 }, /* 144.000 30.857 24.686 */ - { 150857142, 0x0605, 0x04020021, 0x02000305, 0x02000605 }, /* 150.857 33.000 24.000 */ - { 152000000, 0x0e02, 0x04020011, 0x11050021, 0x02000e02 }, /* 152.000 32.571 24.000 */ - { 156000000, 0x0802, 0x04020005, 0x11050009, 0x11090009 }, /* 156.000 31.200 24.960 */ - { 160000000, 0x0309, 0x04020011, 0x11090011, 0x02000309 }, /* 160.000 32.000 24.000 */ - { 163200000, 0x0c02, 0x04020009, 0x11090009, 0x02000603 }, /* 163.200 32.640 24.727 */ - { 168000000, 0x0205, 0x04020005, 0x11030021, 0x02000403 }, /* 168.000 32.000 24.889 */ - { 176000000, 0x0602, 0x04020003, 0x11050005, 0x02000602 }, /* 176.000 33.000 24.000 */ - }; - typedef struct { - uint32 mipsclock; - uint32 sbclock; - uint16 n; - uint32 sb; - uint32 pci33; - uint32 m2; - uint32 m3; - uint32 ratio; - uint32 ratio_parm; - } n4m_table_t; - - static n4m_table_t type2_table[] = { - { 180000000, 80000000, 0x0403, 0x01010000, 0x01020300, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 180000000, 90000000, 0x0403, 0x01000100, 0x01020300, 0x01000100, 0x05000100, 0x21, 0x0aaa0555 }, - { 200000000, 100000000, 0x0303, 0x01000000, 0x01000600, 0x01000000, 0x05000000, 0x21, 0x0aaa0555 }, - { 211200000, 105600000, 0x0902, 0x01000200, 0x01030400, 0x01000200, 0x05000200, 0x21, 0x0aaa0555 }, - { 220800000, 110400000, 0x1500, 0x01000200, 0x01030400, 0x01000200, 0x05000200, 0x21, 0x0aaa0555 }, - { 230400000, 115200000, 0x0604, 0x01000200, 0x01020600, 0x01000200, 0x05000200, 0x21, 0x0aaa0555 }, - { 234000000, 104000000, 0x0b01, 0x01010000, 0x01010700, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 240000000, 120000000, 0x0803, 0x01000200, 0x01020600, 0x01000200, 0x05000200, 0x21, 0x0aaa0555 }, - { 252000000, 126000000, 0x0504, 0x01000100, 0x01020500, 0x01000100, 0x05000100, 0x21, 0x0aaa0555 }, - { 264000000, 132000000, 0x0903, 0x01000200, 0x01020700, 0x01000200, 0x05000200, 0x21, 0x0aaa0555 }, - { 270000000, 120000000, 0x0703, 0x01010000, 0x01030400, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 276000000, 122666666, 0x1500, 0x01010000, 0x01030400, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 280000000, 140000000, 0x0503, 0x01000000, 0x01010600, 0x01000000, 0x05000000, 0x21, 0x0aaa0555 }, - { 288000000, 128000000, 0x0604, 0x01010000, 0x01030400, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 288000000, 144000000, 0x0404, 0x01000000, 0x01010600, 0x01000000, 0x05000000, 0x21, 0x0aaa0555 }, - { 300000000, 133333333, 0x0803, 0x01010000, 0x01020600, 0x01020600, 0x05000100, 0x94, 0x012a0115 }, - { 300000000, 150000000, 0x0803, 0x01000100, 0x01020600, 0x01000100, 0x05000100, 0x21, 0x0aaa0555 } - }; - - static n4m_table_t type4_table[] = { - { 192000000, 96000000, 0x0702, 0x04020011, 0x11030011, 0x04020011, 0x04020003, 0x21, 0x0aaa0555 }, - { 200000000, 100000000, 0x0009, 0x04020011, 0x11030011, 0x04020011, 0x04020003, 0x21, 0x0aaa0555 }, - { 216000000, 108000000, 0x0111, 0x11020005, 0x01030303, 0x11020005, 0x04000005, 0x21, 0x0aaa0555 }, - { 228000000, 101333333, 0x0e02, 0x11030003, 0x11210005, 0x11030305, 0x04000005, 0x94, 0x012a00a9 }, - { 228000000, 114000000, 0x0e02, 0x11020005, 0x11210005, 0x11020005, 0x04000005, 0x21, 0x0aaa0555 }, - { 240000000, 120000000, 0x0109, 0x11030002, 0x01050203, 0x11030002, 0x04000003, 0x21, 0x0aaa0555 }, - { 252000000, 126000000, 0x0203, 0x04000005, 0x11050005, 0x04000005, 0x04000002, 0x21, 0x0aaa0555 }, - { 264000000, 132000000, 0x0602, 0x04000005, 0x11050005, 0x04000005, 0x04000002, 0x21, 0x0aaa0555 }, - { 272000000, 116571428, 0x0c02, 0x04000021, 0x02000909, 0x02000221, 0x04000003, 0x73, 0x254a14a9 }, - { 280000000, 120000000, 0x0209, 0x04000021, 0x01030303, 0x02000221, 0x04000003, 0x73, 0x254a14a9 }, - { 288000000, 123428571, 0x0111, 0x04000021, 0x01030303, 0x02000221, 0x04000003, 0x73, 0x254a14a9 }, - { 300000000, 120000000, 0x0009, 0x04000009, 0x01030203, 0x02000902, 0x04000002, 0x52, 0x02520129 } - }; - uint icache_size, ic_lsize; - ulong start, end, dst; - bool ret = FALSE; - - /* get index of the current core */ - idx = sb_coreidx(sbh); - - /* switch to extif or chipc core */ - if ((eir = (extifregs_t *) sb_setcore(sbh, SB_EXTIF, 0))) { - pll_type = PLL_TYPE1; - clockcontrol_n = &eir->clockcontrol_n; - clockcontrol_sb = &eir->clockcontrol_sb; - clockcontrol_pci = &eir->clockcontrol_pci; - } else if ((cc = (chipcregs_t *) sb_setcore(sbh, SB_CC, 0))) { - pll_type = R_REG(&cc->capabilities) & CAP_PLL_MASK; - clockcontrol_n = &cc->clockcontrol_n; - clockcontrol_sb = &cc->clockcontrol_sb; - clockcontrol_pci = &cc->clockcontrol_pci; - } else - goto done; - - /* Store the current clock register values */ - orig_n = R_REG(clockcontrol_n); - orig_sb = R_REG(clockcontrol_sb); - orig_pci = R_REG(clockcontrol_pci); - - if (pll_type == PLL_TYPE1) { - /* Keep the current PCI clock if not specified */ - if (pciclock == 0) { - pciclock = sb_clock_rate(pll_type, R_REG(clockcontrol_n), R_REG(clockcontrol_pci)); - pciclock = (pciclock <= 25000000) ? 25000000 : 33000000; - } - - /* Search for the closest MIPS clock less than or equal to a preferred value */ - for (i = 0; i < ARRAYSIZE(type1_table); i++) { - ASSERT(type1_table[i].mipsclock == - sb_clock_rate(pll_type, type1_table[i].n, type1_table[i].sb)); - if (type1_table[i].mipsclock > mipsclock) - break; - } - if (i == 0) { - ret = FALSE; - goto done; - } else { - ret = TRUE; - i--; - } - ASSERT(type1_table[i].mipsclock <= mipsclock); - - /* No PLL change */ - if ((orig_n == type1_table[i].n) && - (orig_sb == type1_table[i].sb) && - (orig_pci == type1_table[i].pci33)) - goto done; - - /* Set the PLL controls */ - W_REG(clockcontrol_n, type1_table[i].n); - W_REG(clockcontrol_sb, type1_table[i].sb); - if (pciclock == 25000000) - W_REG(clockcontrol_pci, type1_table[i].pci25); - else - W_REG(clockcontrol_pci, type1_table[i].pci33); - - /* Reset */ - sb_watchdog(sbh, 1); - while (1); - } else if ((pll_type == PLL_TYPE2) || (pll_type == PLL_TYPE4)) { - n4m_table_t *table = (pll_type == PLL_TYPE2) ? type2_table : type4_table; - uint tabsz = (pll_type == PLL_TYPE2) ? ARRAYSIZE(type2_table) : ARRAYSIZE(type4_table); - - ASSERT(cc); - - /* Store the current clock register values */ - orig_m2 = R_REG(&cc->clockcontrol_m2); - orig_mips = R_REG(&cc->clockcontrol_mips); - orig_ratio_parm = 0; - - /* Look up current ratio */ - for (i = 0; i < tabsz; i++) { - if ((orig_n == table[i].n) && - (orig_sb == table[i].sb) && - (orig_pci == table[i].pci33) && - (orig_m2 == table[i].m2) && - (orig_mips == table[i].m3)) { - orig_ratio_parm = table[i].ratio_parm; - break; - } - } - - /* Search for the closest MIPS clock greater or equal to a preferred value */ - for (i = 0; i < tabsz; i++) { - ASSERT(table[i].mipsclock == - sb_clock_rate(pll_type, table[i].n, table[i].m3)); - if ((mipsclock <= table[i].mipsclock) && - ((sbclock == 0) || (sbclock <= table[i].sbclock))) - break; - } - if (i == tabsz) { - ret = FALSE; - goto done; - } else { - ret = TRUE; - } - - /* No PLL change */ - if ((orig_n == table[i].n) && - (orig_sb == table[i].sb) && - (orig_pci == table[i].pci33) && - (orig_m2 == table[i].m2) && - (orig_mips == table[i].m3)) - goto done; - - /* Set the PLL controls */ - W_REG(clockcontrol_n, table[i].n); - W_REG(clockcontrol_sb, table[i].sb); - W_REG(clockcontrol_pci, table[i].pci33); - W_REG(&cc->clockcontrol_m2, table[i].m2); - W_REG(&cc->clockcontrol_mips, table[i].m3); - - /* No ratio change */ - if (orig_ratio_parm == table[i].ratio_parm) - goto end_fill; - - new_ratio = table[i].ratio_parm; - - icache_probe(&icache_size, &ic_lsize); - - /* Preload the code into the cache */ - start = ((ulong) &&start_fill) & ~(ic_lsize - 1); - end = ((ulong) &&end_fill + (ic_lsize - 1)) & ~(ic_lsize - 1); - while (start < end) { - cache_unroll(start, Fill_I); - start += ic_lsize; - } - - /* Copy the handler */ - start = (ulong) &handler; - end = (ulong) &afterhandler; - dst = KSEG1ADDR(0x180); - for (i = 0; i < (end - start); i += 4) - *((ulong *)(dst + i)) = *((ulong *)(start + i)); - - /* Preload handler into the cache one line at a time */ - for (i = 0; i < (end - start); i += 4) - cache_unroll(dst + i, Fill_I); - - /* Clear BEV bit */ - MTC0(C0_STATUS, 0, MFC0(C0_STATUS, 0) & ~ST0_BEV); - - /* Enable interrupts */ - MTC0(C0_STATUS, 0, MFC0(C0_STATUS, 0) | (ALLINTS | ST0_IE)); - - /* Enable MIPS timer interrupt */ - if (!(mipsr = sb_setcore(sbh, SB_MIPS, 0)) && - !(mipsr = sb_setcore(sbh, SB_MIPS33, 0))) - ASSERT(mipsr); - W_REG(&mipsr->intmask, 1); - - start_fill: - /* step 1, set clock ratios */ - MTC0(C0_BROADCOM, 3, new_ratio); - MTC0(C0_BROADCOM, 1, 8); - - /* step 2: program timer intr */ - W_REG(&mipsr->timer, 100); - (void) R_REG(&mipsr->timer); - - /* step 3, switch to async */ - sync_mode = MFC0(C0_BROADCOM, 4); - MTC0(C0_BROADCOM, 4, 1 << 22); - - /* step 4, set cfg active */ - MTC0(C0_BROADCOM, 2, 0x9); - - - /* steps 5 & 6 */ - __asm__ __volatile__ ( - ".set\tmips3\n\t" - "wait\n\t" - ".set\tmips0" - ); - - /* step 7, clear cfg_active */ - MTC0(C0_BROADCOM, 2, 0); - - /* Additional Step: set back to orig sync mode */ - MTC0(C0_BROADCOM, 4, sync_mode); - - /* step 8, fake soft reset */ - MTC0(C0_BROADCOM, 5, MFC0(C0_BROADCOM, 5) | 4); - - end_fill: - /* step 9 set watchdog timer */ - sb_watchdog(sbh, 20); - (void) R_REG(&cc->chipid); - - /* step 11 */ - __asm__ __volatile__ ( - ".set\tmips3\n\t" - "sync\n\t" - "wait\n\t" - ".set\tmips0" - ); - while (1); - } - -done: - /* switch back to previous core */ - sb_setcoreidx(sbh, idx); - - return ret; -} - - -/* returns the ncdl value to be programmed into sdram_ncdl for calibration */ -uint32 -sb_memc_get_ncdl(void *sbh) -{ - sbmemcregs_t *memc; - uint32 ret = 0; - uint32 config, rd, wr, misc, dqsg, cd, sm, sd; - uint idx, rev; - - idx = sb_coreidx(sbh); - - memc = (sbmemcregs_t *)sb_setcore(sbh, SB_MEMC, 0); - if (memc == 0) - goto out; - - rev = sb_corerev(sbh); - - config = R_REG(&memc->config); - wr = R_REG(&memc->wrncdlcor); - rd = R_REG(&memc->rdncdlcor); - misc = R_REG(&memc->miscdlyctl); - dqsg = R_REG(&memc->dqsgatencdl); - - rd &= MEMC_RDNCDLCOR_RD_MASK; - wr &= MEMC_WRNCDLCOR_WR_MASK; - dqsg &= MEMC_DQSGATENCDL_G_MASK; - - if (config & MEMC_CONFIG_DDR) { - ret = (wr << 16) | (rd << 8) | dqsg; - } else { - if (rev > 0) - cd = rd; - else - cd = (rd == MEMC_CD_THRESHOLD) ? rd : (wr + MEMC_CD_THRESHOLD); - sm = (misc & MEMC_MISC_SM_MASK) >> MEMC_MISC_SM_SHIFT; - sd = (misc & MEMC_MISC_SD_MASK) >> MEMC_MISC_SD_SHIFT; - ret = (sm << 16) | (sd << 8) | cd; - } - -out: - /* switch back to previous core */ - sb_setcoreidx(sbh, idx); - - return ret; -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbpci.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbpci.c deleted file mode 100644 index 538dea57ba..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sbpci.c +++ /dev/null @@ -1,557 +0,0 @@ -/* - * Low-Level PCI and SB support for BCM47xx - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <typedefs.h> -#include <pcicfg.h> -#include <bcmdevs.h> -#include <sbconfig.h> -#include <sbpci.h> -#include <osl.h> -#include <bcmendian.h> -#include <bcmutils.h> -#include <sbutils.h> -#include <bcmnvram.h> -#include <hndmips.h> - -/* Can free sbpci_init() memory after boot */ -#ifndef linux -#define __init -#endif - -/* Emulated configuration space */ -static pci_config_regs sb_config_regs[SB_MAXCORES]; - -/* Banned cores */ -static uint16 pci_ban[32] = { 0 }; -static uint pci_banned = 0; - -/* CardBus mode */ -static bool cardbus = FALSE; - -/* Disable PCI host core */ -static bool pci_disabled = FALSE; - -/* - * Functions for accessing external PCI configuration space - */ - -/* Assume one-hot slot wiring */ -#define PCI_SLOT_MAX 16 - -static uint32 -config_cmd(void *sbh, uint bus, uint dev, uint func, uint off) -{ - uint coreidx; - sbpciregs_t *regs; - uint32 addr = 0; - - /* CardBusMode supports only one device */ - if (cardbus && dev > 1) - return 0; - - coreidx = sb_coreidx(sbh); - regs = (sbpciregs_t *) sb_setcore(sbh, SB_PCI, 0); - - /* Type 0 transaction */ - if (bus == 1) { - /* Skip unwired slots */ - if (dev < PCI_SLOT_MAX) { - /* Slide the PCI window to the appropriate slot */ - W_REG(®s->sbtopci1, SBTOPCI_CFG0 | ((1 << (dev + 16)) & SBTOPCI1_MASK)); - addr = SB_PCI_CFG | ((1 << (dev + 16)) & ~SBTOPCI1_MASK) | - (func << 8) | (off & ~3); - } - } - - /* Type 1 transaction */ - else { - W_REG(®s->sbtopci1, SBTOPCI_CFG1); - addr = SB_PCI_CFG | (bus << 16) | (dev << 11) | (func << 8) | (off & ~3); - } - - sb_setcoreidx(sbh, coreidx); - - return addr; -} - -static int -extpci_read_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - uint32 addr, *reg = NULL, val; - int ret = 0; - - if (pci_disabled || - !(addr = config_cmd(sbh, bus, dev, func, off)) || - !(reg = (uint32 *) REG_MAP(addr, len)) || - BUSPROBE(val, reg)) - val = 0xffffffff; - - val >>= 8 * (off & 3); - if (len == 4) - *((uint32 *) buf) = val; - else if (len == 2) - *((uint16 *) buf) = (uint16) val; - else if (len == 1) - *((uint8 *) buf) = (uint8) val; - else - ret = -1; - - if (reg) - REG_UNMAP(reg); - - return ret; -} - -static int -extpci_write_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - uint32 addr, *reg = NULL, val; - int ret = 0; - - if (pci_disabled || - !(addr = config_cmd(sbh, bus, dev, func, off)) || - !(reg = (uint32 *) REG_MAP(addr, len)) || - BUSPROBE(val, reg)) - goto done; - - if (len == 4) - val = *((uint32 *) buf); - else if (len == 2) { - val &= ~(0xffff << (8 * (off & 3))); - val |= *((uint16 *) buf) << (8 * (off & 3)); - } else if (len == 1) { - val &= ~(0xff << (8 * (off & 3))); - val |= *((uint8 *) buf) << (8 * (off & 3)); - } else - ret = -1; - - W_REG(reg, val); - - done: - if (reg) - REG_UNMAP(reg); - - return ret; -} - -/* - * Functions for accessing translated SB configuration space - */ - -static int -sb_read_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - pci_config_regs *cfg; - - if (dev >= SB_MAXCORES || (off + len) > sizeof(pci_config_regs)) - return -1; - cfg = &sb_config_regs[dev]; - - ASSERT(ISALIGNED(off, len)); - ASSERT(ISALIGNED(buf, len)); - - if (len == 4) - *((uint32 *) buf) = ltoh32(*((uint32 *)((ulong) cfg + off))); - else if (len == 2) - *((uint16 *) buf) = ltoh16(*((uint16 *)((ulong) cfg + off))); - else if (len == 1) - *((uint8 *) buf) = *((uint8 *)((ulong) cfg + off)); - else - return -1; - - return 0; -} - -static int -sb_write_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - uint coreidx, n; - void *regs; - sbconfig_t *sb; - pci_config_regs *cfg; - - if (dev >= SB_MAXCORES || (off + len) > sizeof(pci_config_regs)) - return -1; - cfg = &sb_config_regs[dev]; - - ASSERT(ISALIGNED(off, len)); - ASSERT(ISALIGNED(buf, len)); - - /* Emulate BAR sizing */ - if (off >= OFFSETOF(pci_config_regs, base[0]) && off <= OFFSETOF(pci_config_regs, base[3]) && - len == 4 && *((uint32 *) buf) == ~0) { - coreidx = sb_coreidx(sbh); - if ((regs = sb_setcoreidx(sbh, dev))) { - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - /* Highest numbered address match register */ - n = (R_REG(&sb->sbidlow) & SBIDL_AR_MASK) >> SBIDL_AR_SHIFT; - if (off == OFFSETOF(pci_config_regs, base[0])) - cfg->base[0] = ~(sb_size(R_REG(&sb->sbadmatch0)) - 1); - else if (off == OFFSETOF(pci_config_regs, base[1]) && n >= 1) - cfg->base[1] = ~(sb_size(R_REG(&sb->sbadmatch1)) - 1); - else if (off == OFFSETOF(pci_config_regs, base[2]) && n >= 2) - cfg->base[2] = ~(sb_size(R_REG(&sb->sbadmatch2)) - 1); - else if (off == OFFSETOF(pci_config_regs, base[3]) && n >= 3) - cfg->base[3] = ~(sb_size(R_REG(&sb->sbadmatch3)) - 1); - } - sb_setcoreidx(sbh, coreidx); - return 0; - } - - if (len == 4) - *((uint32 *)((ulong) cfg + off)) = htol32(*((uint32 *) buf)); - else if (len == 2) - *((uint16 *)((ulong) cfg + off)) = htol16(*((uint16 *) buf)); - else if (len == 1) - *((uint8 *)((ulong) cfg + off)) = *((uint8 *) buf); - else - return -1; - - return 0; -} - -int -sbpci_read_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - if (bus == 0) - return sb_read_config(sbh, bus, dev, func, off, buf, len); - else - return extpci_read_config(sbh, bus, dev, func, off, buf, len); -} - -int -sbpci_write_config(void *sbh, uint bus, uint dev, uint func, uint off, void *buf, int len) -{ - if (bus == 0) - return sb_write_config(sbh, bus, dev, func, off, buf, len); - else - return extpci_write_config(sbh, bus, dev, func, off, buf, len); -} - -void -sbpci_ban(uint16 core) -{ - if (pci_banned < ARRAYSIZE(pci_ban)) - pci_ban[pci_banned++] = core; -} - -int __init -sbpci_init(void *sbh) -{ - uint chip, chiprev, chippkg, coreidx, host, i; - uint32 boardflags; - sbpciregs_t *pci; - sbconfig_t *sb; - pci_config_regs *cfg; - void *regs; - char varname[8]; - uint wlidx = 0; - uint16 vendor, core; - uint8 class, subclass, progif; - uint32 val; - uint32 sbips_int_mask[] = { 0, SBIPS_INT1_MASK, SBIPS_INT2_MASK, SBIPS_INT3_MASK, SBIPS_INT4_MASK }; - uint32 sbips_int_shift[] = { 0, 0, SBIPS_INT2_SHIFT, SBIPS_INT3_SHIFT, SBIPS_INT4_SHIFT }; - - chip = sb_chip(sbh); - chiprev = sb_chiprev(sbh); - chippkg = sb_chippkg(sbh); - coreidx = sb_coreidx(sbh); - - if (!(pci = (sbpciregs_t *) sb_setcore(sbh, SB_PCI, 0))) - return -1; - sb_core_reset(sbh, 0); - - boardflags = (uint32) getintvar(NULL, "boardflags"); - - if ((chip == BCM4310_DEVICE_ID) && (chiprev == 0)) - pci_disabled = TRUE; - - /* - * The 200-pin BCM4712 package does not bond out PCI. Even when - * PCI is bonded out, some boards may leave the pins - * floating. - */ - if (((chip == BCM4712_DEVICE_ID) && - ((chippkg == BCM4712SMALL_PKG_ID) || - (chippkg == BCM4712MID_PKG_ID))) || - (boardflags & BFL_NOPCI)) - pci_disabled = TRUE; - - /* - * If the PCI core should not be touched (disabled, not bonded - * out, or pins floating), do not even attempt to access core - * registers. Otherwise, try to determine if it is in host - * mode. - */ - if (pci_disabled) - host = 0; - else - host = !BUSPROBE(val, &pci->control); - - if (!host) { - /* Disable PCI interrupts in client mode */ - sb = (sbconfig_t *)((ulong) pci + SBCONFIGOFF); - W_REG(&sb->sbintvec, 0); - - /* Disable the PCI bridge in client mode */ - sbpci_ban(SB_PCI); - printf("PCI: Disabled\n"); - } else { - /* Reset the external PCI bus and enable the clock */ - W_REG(&pci->control, 0x5); /* enable the tristate drivers */ - W_REG(&pci->control, 0xd); /* enable the PCI clock */ - OSL_DELAY(150); /* delay > 100 us */ - W_REG(&pci->control, 0xf); /* deassert PCI reset */ - W_REG(&pci->arbcontrol, PCI_INT_ARB); /* use internal arbiter */ - OSL_DELAY(1); /* delay 1 us */ - - /* Enable CardBusMode */ - cardbus = nvram_match("cardbus", "1"); - if (cardbus) { - printf("PCI: Enabling CardBus\n"); - /* GPIO 1 resets the CardBus device on bcm94710ap */ - sb_gpioout(sbh, 1, 1); - sb_gpioouten(sbh, 1, 1); - W_REG(&pci->sprom[0], R_REG(&pci->sprom[0]) | 0x400); - } - - /* 64 MB I/O access window */ - W_REG(&pci->sbtopci0, SBTOPCI_IO); - /* 64 MB configuration access window */ - W_REG(&pci->sbtopci1, SBTOPCI_CFG0); - /* 1 GB memory access window */ - W_REG(&pci->sbtopci2, SBTOPCI_MEM | SB_PCI_DMA); - - /* Enable PCI bridge BAR0 prefetch and burst */ - val = 6; - sbpci_write_config(sbh, 1, 0, 0, PCI_CFG_CMD, &val, sizeof(val)); - - /* Enable PCI interrupts */ - W_REG(&pci->intmask, PCI_INTA); - } - - /* Scan the SB bus */ - bzero(sb_config_regs, sizeof(sb_config_regs)); - for (cfg = sb_config_regs; cfg < &sb_config_regs[SB_MAXCORES]; cfg++) { - cfg->vendor = 0xffff; - if (!(regs = sb_setcoreidx(sbh, cfg - sb_config_regs))) - continue; - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - - /* Read ID register and parse vendor and core */ - val = R_REG(&sb->sbidhigh); - vendor = (val & SBIDH_VC_MASK) >> SBIDH_VC_SHIFT; - core = (val & SBIDH_CC_MASK) >> SBIDH_CC_SHIFT; - progif = 0; - - /* Check if this core is banned */ - for (i = 0; i < pci_banned; i++) - if (core == pci_ban[i]) - break; - if (i < pci_banned) - continue; - - /* Known vendor translations */ - switch (vendor) { - case SB_VEND_BCM: - vendor = VENDOR_BROADCOM; - break; - } - - /* Determine class based on known core codes */ - switch (core) { - case SB_ILINE20: - class = PCI_CLASS_NET; - subclass = PCI_NET_ETHER; - core = BCM47XX_ILINE_ID; - break; - case SB_ILINE100: - class = PCI_CLASS_NET; - subclass = PCI_NET_ETHER; - core = BCM4610_ILINE_ID; - break; - case SB_ENET: - class = PCI_CLASS_NET; - subclass = PCI_NET_ETHER; - core = BCM47XX_ENET_ID; - break; - case SB_SDRAM: - case SB_MEMC: - class = PCI_CLASS_MEMORY; - subclass = PCI_MEMORY_RAM; - break; - case SB_PCI: - class = PCI_CLASS_BRIDGE; - subclass = PCI_BRIDGE_PCI; - break; - case SB_MIPS: - case SB_MIPS33: - class = PCI_CLASS_CPU; - subclass = PCI_CPU_MIPS; - break; - case SB_CODEC: - class = PCI_CLASS_COMM; - subclass = PCI_COMM_MODEM; - core = BCM47XX_V90_ID; - break; - case SB_USB: - class = PCI_CLASS_SERIAL; - subclass = PCI_SERIAL_USB; - progif = 0x10; /* OHCI */ - core = BCM47XX_USB_ID; - break; - case SB_USB11H: - class = PCI_CLASS_SERIAL; - subclass = PCI_SERIAL_USB; - progif = 0x10; /* OHCI */ - core = BCM47XX_USBH_ID; - break; - case SB_USB11D: - class = PCI_CLASS_SERIAL; - subclass = PCI_SERIAL_USB; - core = BCM47XX_USBD_ID; - break; - case SB_IPSEC: - class = PCI_CLASS_CRYPT; - subclass = PCI_CRYPT_NETWORK; - core = BCM47XX_IPSEC_ID; - break; - case SB_EXTIF: - case SB_CC: - class = PCI_CLASS_MEMORY; - subclass = PCI_MEMORY_FLASH; - break; - case SB_D11: - class = PCI_CLASS_NET; - subclass = PCI_NET_OTHER; - /* Let an nvram variable override this */ - sprintf(varname, "wl%did", wlidx); - wlidx++; - if ((core = getintvar(NULL, varname)) == 0) { - if (chip == BCM4712_DEVICE_ID) { - if (chippkg == BCM4712SMALL_PKG_ID) - core = BCM4306_D11G_ID; - else - core = BCM4306_D11DUAL_ID; - } else { - /* 4310 */ - core = BCM4310_D11B_ID; - } - } - break; - - default: - class = subclass = progif = 0xff; - break; - } - - /* Supported translations */ - cfg->vendor = htol16(vendor); - cfg->device = htol16(core); - cfg->rev_id = chiprev; - cfg->prog_if = progif; - cfg->sub_class = subclass; - cfg->base_class = class; - cfg->base[0] = htol32(sb_base(R_REG(&sb->sbadmatch0))); - cfg->base[1] = htol32(sb_base(R_REG(&sb->sbadmatch1))); - cfg->base[2] = htol32(sb_base(R_REG(&sb->sbadmatch2))); - cfg->base[3] = htol32(sb_base(R_REG(&sb->sbadmatch3))); - cfg->base[4] = 0; - cfg->base[5] = 0; - if (class == PCI_CLASS_BRIDGE && subclass == PCI_BRIDGE_PCI) - cfg->header_type = PCI_HEADER_BRIDGE; - else - cfg->header_type = PCI_HEADER_NORMAL; - /* Save core interrupt flag */ - cfg->int_pin = R_REG(&sb->sbtpsflag) & SBTPS_NUM0_MASK; - /* Default to MIPS shared interrupt 0 */ - cfg->int_line = 0; - /* MIPS sbipsflag maps core interrupt flags to interrupts 1 through 4 */ - if ((regs = sb_setcore(sbh, SB_MIPS, 0)) || - (regs = sb_setcore(sbh, SB_MIPS33, 0))) { - sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF); - val = R_REG(&sb->sbipsflag); - for (cfg->int_line = 1; cfg->int_line <= 4; cfg->int_line++) { - if (((val & sbips_int_mask[cfg->int_line]) >> sbips_int_shift[cfg->int_line]) == cfg->int_pin) - break; - } - if (cfg->int_line > 4) - cfg->int_line = 0; - } - /* Emulated core */ - *((uint32 *) &cfg->sprom_control) = 0xffffffff; - } - - sb_setcoreidx(sbh, coreidx); - return 0; -} - -void -sbpci_check(void *sbh) -{ - uint coreidx; - sbpciregs_t *pci; - uint32 sbtopci1; - uint32 buf[64], *ptr, i; - ulong pa; - volatile uint j; - - coreidx = sb_coreidx(sbh); - pci = (sbpciregs_t *) sb_setcore(sbh, SB_PCI, 0); - - /* Clear the test array */ - pa = (ulong) DMA_MAP(NULL, buf, sizeof(buf), DMA_RX, NULL); - ptr = (uint32 *) OSL_UNCACHED(&buf[0]); - memset(ptr, 0, sizeof(buf)); - - /* Point PCI window 1 to memory */ - sbtopci1 = R_REG(&pci->sbtopci1); - W_REG(&pci->sbtopci1, SBTOPCI_MEM | (pa & SBTOPCI1_MASK)); - - /* Fill the test array via PCI window 1 */ - ptr = (uint32 *) REG_MAP(SB_PCI_CFG + (pa & ~SBTOPCI1_MASK), sizeof(buf)); - for (i = 0; i < ARRAYSIZE(buf); i++) { - for (j = 0; j < 2; j++); - W_REG(&ptr[i], i); - } - REG_UNMAP(ptr); - - /* Restore PCI window 1 */ - W_REG(&pci->sbtopci1, sbtopci1); - - /* Check the test array */ - DMA_UNMAP(NULL, pa, sizeof(buf), DMA_RX, NULL); - ptr = (uint32 *) OSL_UNCACHED(&buf[0]); - for (i = 0; i < ARRAYSIZE(buf); i++) { - if (ptr[i] != i) - break; - } - - /* Change the clock if the test fails */ - if (i < ARRAYSIZE(buf)) { - uint32 req, cur; - - cur = sb_clock(sbh); - printf("PCI: Test failed at %d MHz\n", (cur + 500000) / 1000000); - for (req = 104000000; req < 176000000; req += 4000000) { - printf("PCI: Resetting to %d MHz\n", (req + 500000) / 1000000); - /* This will only reset if the clocks are valid and have changed */ - sb_mips_setclock(sbh, req, 0, 0); - } - /* Should not reach here */ - ASSERT(0); - } - - sb_setcoreidx(sbh, coreidx); -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c deleted file mode 100644 index 2132c00837..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Generic setup routines for Broadcom MIPS boards - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/serialP.h> -#include <linux/ide.h> -#include <asm/bootinfo.h> -#include <asm/time.h> -#include <asm/reboot.h> - -#ifdef CONFIG_MTD_PARTITIONS -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#endif - -#include <typedefs.h> -#include <bcmutils.h> -#include <bcmnvram.h> -#include <sbmips.h> -#include <sbutils.h> -#include <trxhdr.h> - -extern void bcm947xx_time_init(void); -extern void bcm947xx_timer_setup(struct irqaction *irq); - -#ifdef CONFIG_REMOTE_DEBUG -extern void set_debug_traps(void); -extern void rs_kgdb_hook(struct serial_state *); -extern void breakpoint(void); -#endif - -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) -extern struct ide_ops std_ide_ops; -#endif - -/* Global SB handle */ -void *bcm947xx_sbh = NULL; -spinlock_t bcm947xx_sbh_lock = SPIN_LOCK_UNLOCKED; -EXPORT_SYMBOL(bcm947xx_sbh); -EXPORT_SYMBOL(bcm947xx_sbh_lock); - -/* Convenience */ -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock - -/* Kernel command line */ -char arcs_cmdline[CL_SIZE] __initdata = CONFIG_CMDLINE; - -void -bcm947xx_machine_restart(char *command) -{ - printk("Please stand by while rebooting the system...\n"); - - /* Set the watchdog timer to reset immediately */ - __cli(); - sb_watchdog(sbh, 1); - while (1); -} - -void -bcm947xx_machine_halt(void) -{ - printk("System halted\n"); - - /* Disable interrupts and watchdog and spin forever */ - __cli(); - sb_watchdog(sbh, 0); - while (1); -} - -#ifdef CONFIG_SERIAL - -static struct serial_struct rs = { - line: 0, - flags: ASYNC_BOOT_AUTOCONF, - io_type: SERIAL_IO_MEM, -}; - -static void __init -serial_add(void *regs, uint irq, uint baud_base, uint reg_shift) -{ - rs.iomem_base = regs; - rs.irq = irq + 2; - rs.baud_base = baud_base / 16; - rs.iomem_reg_shift = reg_shift; - - early_serial_setup(&rs); - - rs.line++; -} - -static void __init -serial_setup(void *sbh) -{ - sb_serial_init(sbh, serial_add); - -#ifdef CONFIG_REMOTE_DEBUG - /* Use the last port for kernel debugging */ - if (rs.iomem_base) - rs_kgdb_hook(&rs); -#endif -} - -#endif /* CONFIG_SERIAL */ - -void __init -brcm_setup(void) -{ - char *value; - - /* Get global SB handle */ - sbh = sb_kattach(); - - /* Initialize clocks and interrupts */ - sb_mips_init(sbh); - -#ifdef CONFIG_SERIAL - /* Initialize UARTs */ - serial_setup(sbh); -#endif - -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) - ide_ops = &std_ide_ops; -#endif - - /* Override default command line arguments */ - value = nvram_get("kernel_args"); - if (value && strlen(value) && strncmp(value, "empty", 5)) - strncpy(arcs_cmdline, value, sizeof(arcs_cmdline)); - - - /* Generic setup */ - _machine_restart = bcm947xx_machine_restart; - _machine_halt = bcm947xx_machine_halt; - _machine_power_off = bcm947xx_machine_halt; - - board_time_init = bcm947xx_time_init; - board_timer_setup = bcm947xx_timer_setup; -} - -const char * -get_system_type(void) -{ - return "Broadcom BCM947XX"; -} - -void __init -bus_error_init(void) -{ -} - -#ifdef CONFIG_MTD_PARTITIONS - -static struct mtd_partition bcm947xx_parts[] = { - { name: "pmon", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, }, - { name: "linux", offset: 0, size: 0, }, - { name: "rootfs", offset: 0, size: 0, }, - { name: "nvram", offset: 0, size: 0, }, - { name: "OpenWrt", offset: 0, size: 0, }, - { name: NULL, }, -}; - -static int __init -find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part) -{ - struct trx_header *trx; - unsigned char buf[512]; - int off; - size_t len; - - trx = (struct trx_header *) buf; - - for (off = (256*1024); off < size; off += mtd->erasesize) { - memset(buf, 0xe5, sizeof(buf)); - - /* - * Read into buffer - */ - if (MTD_READ(mtd, off, sizeof(buf), &len, buf) || - len != sizeof(buf)) - continue; - - /* found a TRX header */ - if (le32_to_cpu(trx->magic) == TRX_MAGIC) { - part->offset = le32_to_cpu(trx->offsets[2]) ? : - le32_to_cpu(trx->offsets[1]); - part->size = le32_to_cpu(trx->len); - - part->size -= part->offset; - part->offset += off; - - goto done; - } - } - - printk(KERN_NOTICE - "%s: Couldn't find root filesystem\n", - mtd->name); - return -1; - - done: - return part->size; -} - -struct mtd_partition * __init -init_mtd_partitions(struct mtd_info *mtd, size_t size) -{ - - /* boot loader */ - bcm947xx_parts[0].offset=0; - bcm947xx_parts[0].size=256*1024; - - /* nvram */ - bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize); - bcm947xx_parts[3].size = size - bcm947xx_parts[3].offset; - - /* Size linux (kernel and rootfs) */ - bcm947xx_parts[1].offset = bcm947xx_parts[0].size; - bcm947xx_parts[1].size = bcm947xx_parts[3].offset - bcm947xx_parts[1].offset; - - /* Find and size rootfs */ - if (find_root(mtd,size,&bcm947xx_parts[2])==0) { - /* entirely jffs2 */ - bcm947xx_parts[2].size = bcm947xx_parts[3].offset - bcm947xx_parts[2].offset; - bcm947xx_parts[4].name = NULL; - } else { - /* legacy setup */ - /* calculate leftover flash, and assign it to the jffs2 partition */ - bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + bcm947xx_parts[2].size; - bcm947xx_parts[4].offset = ROUNDUP(bcm947xx_parts[4].offset, mtd->erasesize); - bcm947xx_parts[4].size = bcm947xx_parts[3].offset - bcm947xx_parts[4].offset; - } - - return bcm947xx_parts; -} - -EXPORT_SYMBOL(init_mtd_partitions); - -#endif diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sflash.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sflash.c deleted file mode 100644 index 4f69880cac..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/sflash.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * Broadcom SiliconBackplane chipcommon serial flash interface - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <typedefs.h> -#include <bcmutils.h> -#include <osl.h> -#include <sbchipc.h> -#include <sflash.h> - -/* Private global state */ -static struct sflash sflash; - -/* Issue a serial flash command */ -static INLINE void -sflash_cmd(chipcregs_t *cc, uint opcode) -{ - W_REG(&cc->flashcontrol, SFLASH_START | opcode); - while (R_REG(&cc->flashcontrol) & SFLASH_BUSY); -} - -/* Initialize serial flash access */ -struct sflash * -sflash_init(chipcregs_t *cc) -{ - uint32 id, id2; - - bzero(&sflash, sizeof(sflash)); - - sflash.type = R_REG(&cc->capabilities) & CAP_FLASH_MASK; - - switch (sflash.type) { - case SFLASH_ST: - /* Probe for ST chips */ - sflash_cmd(cc, SFLASH_ST_DP); - sflash_cmd(cc, SFLASH_ST_RES); - id = R_REG(&cc->flashdata); - switch (id) { - case 0x11: - /* ST M25P20 2 Mbit Serial Flash */ - sflash.blocksize = 64 * 1024; - sflash.numblocks = 4; - break; - case 0x12: - /* ST M25P40 4 Mbit Serial Flash */ - sflash.blocksize = 64 * 1024; - sflash.numblocks = 8; - break; - case 0x13: - /* ST M25P80 8 Mbit Serial Flash */ - sflash.blocksize = 64 * 1024; - sflash.numblocks = 16; - break; - case 0x14: - /* ST M25P16 16 Mbit Serial Flash */ - sflash.blocksize = 64 * 1024; - sflash.numblocks = 32; - break; - case 0xbf: - W_REG(&cc->flashaddress, 1); - sflash_cmd(cc, SFLASH_ST_RES); - id2 = R_REG(&cc->flashdata); - if (id2 == 0x44) { - /* SST M25VF80 4 Mbit Serial Flash */ - sflash.blocksize = 64 * 1024; - sflash.numblocks = 8; - } - break; - } - break; - - case SFLASH_AT: - /* Probe for Atmel chips */ - sflash_cmd(cc, SFLASH_AT_STATUS); - id = R_REG(&cc->flashdata) & 0x3c; - switch (id) { - case 0x2c: - /* Atmel AT45DB161 16Mbit Serial Flash */ - sflash.blocksize = 512; - sflash.numblocks = 4096; - break; - case 0x34: - /* Atmel AT45DB321 32Mbit Serial Flash */ - sflash.blocksize = 512; - sflash.numblocks = 8192; - break; - case 0x3c: - /* Atmel AT45DB642 64Mbit Serial Flash */ - sflash.blocksize = 1024; - sflash.numblocks = 8192; - break; - } - break; - } - - sflash.size = sflash.blocksize * sflash.numblocks; - return sflash.size ? &sflash : NULL; -} - -/* Read len bytes starting at offset into buf. Returns number of bytes read. */ -int -sflash_read(chipcregs_t *cc, uint offset, uint len, uchar *buf) -{ - int cnt; - uint32 *from, *to; - - if (!len) - return 0; - - if ((offset + len) > sflash.size) - return -22; - - if ((len >= 4) && (offset & 3)) - cnt = 4 - (offset & 3); - else if ((len >= 4) && ((uint32)buf & 3)) - cnt = 4 - ((uint32)buf & 3); - else - cnt = len; - - from = (uint32 *)(CC_FLASH_BASE + offset); - to = (uint32 *)buf; - - if (cnt < 4) { - bcopy(from, to, cnt); - return cnt; - } - - while (cnt >= 4) { - *to++ = *from++; - cnt -= 4; - } - - return (len - cnt); -} - -/* Poll for command completion. Returns zero when complete. */ -int -sflash_poll(chipcregs_t *cc, uint offset) -{ - if (offset >= sflash.size) - return -22; - - switch (sflash.type) { - case SFLASH_ST: - /* Check for ST Write In Progress bit */ - sflash_cmd(cc, SFLASH_ST_RDSR); - return R_REG(&cc->flashdata) & SFLASH_ST_WIP; - case SFLASH_AT: - /* Check for Atmel Ready bit */ - sflash_cmd(cc, SFLASH_AT_STATUS); - return !(R_REG(&cc->flashdata) & SFLASH_AT_READY); - } - - return 0; -} - -/* Write len bytes starting at offset into buf. Returns number of bytes - * written. Caller should poll for completion. - */ -int -sflash_write(chipcregs_t *cc, uint offset, uint len, const uchar *buf) -{ - struct sflash *sfl; - int ret = 0; - uint32 page, byte, mask; - - if (!len) - return 0; - - if ((offset + len) > sflash.size) - return -22; - - sfl = &sflash; - switch (sfl->type) { - case SFLASH_ST: - ret = 1; - /* Enable writes */ - sflash_cmd(cc, SFLASH_ST_WREN); - W_REG(&cc->flashaddress, offset); - W_REG(&cc->flashdata, *buf); - /* Page program */ - sflash_cmd(cc, SFLASH_ST_PP); - break; - case SFLASH_AT: - mask = sfl->blocksize - 1; - page = (offset & ~mask) << 1; - byte = offset & mask; - /* Read main memory page into buffer 1 */ - if (byte || len < sfl->blocksize) { - W_REG(&cc->flashaddress, page); - sflash_cmd(cc, SFLASH_AT_BUF1_LOAD); - /* 250 us for AT45DB321B */ - SPINWAIT(sflash_poll(cc, offset), 1000); - ASSERT(!sflash_poll(cc, offset)); - } - /* Write into buffer 1 */ - for (ret = 0; ret < len && byte < sfl->blocksize; ret++) { - W_REG(&cc->flashaddress, byte++); - W_REG(&cc->flashdata, *buf++); - sflash_cmd(cc, SFLASH_AT_BUF1_WRITE); - } - /* Write buffer 1 into main memory page */ - W_REG(&cc->flashaddress, page); - sflash_cmd(cc, SFLASH_AT_BUF1_PROGRAM); - break; - } - - return ret; -} - -/* Erase a region. Returns number of bytes scheduled for erasure. - * Caller should poll for completion. - */ -int -sflash_erase(chipcregs_t *cc, uint offset) -{ - struct sflash *sfl; - - if (offset >= sflash.size) - return -22; - - sfl = &sflash; - switch (sfl->type) { - case SFLASH_ST: - sflash_cmd(cc, SFLASH_ST_WREN); - W_REG(&cc->flashaddress, offset); - sflash_cmd(cc, SFLASH_ST_SE); - return sfl->blocksize; - case SFLASH_AT: - W_REG(&cc->flashaddress, offset << 1); - sflash_cmd(cc, SFLASH_AT_PAGE_ERASE); - return sfl->blocksize; - } - - return 0; -} - -/* - * writes the appropriate range of flash, a NULL buf simply erases - * the region of flash - */ -int -sflash_commit(chipcregs_t *cc, uint offset, uint len, const uchar *buf) -{ - struct sflash *sfl; - uchar *block = NULL, *cur_ptr, *blk_ptr; - uint blocksize = 0, mask, cur_offset, cur_length, cur_retlen, remainder; - uint blk_offset, blk_len, copied; - int bytes, ret = 0; - - /* Check address range */ - if (len <= 0) - return 0; - - sfl = &sflash; - if ((offset + len) > sfl->size) - return -1; - - blocksize = sfl->blocksize; - mask = blocksize - 1; - - /* Allocate a block of mem */ - if (!(block = MALLOC(blocksize))) - return -1; - - while (len) { - /* Align offset */ - cur_offset = offset & ~mask; - cur_length = blocksize; - cur_ptr = block; - - remainder = blocksize - (offset & mask); - if (len < remainder) - cur_retlen = len; - else - cur_retlen = remainder; - - /* buf == NULL means erase only */ - if (buf) { - /* Copy existing data into holding block if necessary */ - if ((offset & mask) || (len < blocksize)) { - blk_offset = cur_offset; - blk_len = cur_length; - blk_ptr = cur_ptr; - - /* Copy entire block */ - while(blk_len) { - copied = sflash_read(cc, blk_offset, blk_len, blk_ptr); - blk_offset += copied; - blk_len -= copied; - blk_ptr += copied; - } - } - - /* Copy input data into holding block */ - memcpy(cur_ptr + (offset & mask), buf, cur_retlen); - } - - /* Erase block */ - if ((ret = sflash_erase(cc, (uint) cur_offset)) < 0) - goto done; - while (sflash_poll(cc, (uint) cur_offset)); - - /* buf == NULL means erase only */ - if (!buf) { - offset += cur_retlen; - len -= cur_retlen; - continue; - } - - /* Write holding block */ - while (cur_length > 0) { - if ((bytes = sflash_write(cc, - (uint) cur_offset, - (uint) cur_length, - (uchar *) cur_ptr)) < 0) { - ret = bytes; - goto done; - } - while (sflash_poll(cc, (uint) cur_offset)); - cur_offset += bytes; - cur_length -= bytes; - cur_ptr += bytes; - } - - offset += cur_retlen; - len -= cur_retlen; - buf += cur_retlen; - } - -done: - if (block) - MFREE(block, blocksize); - return ret; -} - diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/time.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/time.c deleted file mode 100644 index 9b7574663d..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/time.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ -#include <linux/config.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/serial_reg.h> -#include <linux/interrupt.h> -#include <asm/addrspace.h> -#include <asm/io.h> -#include <asm/time.h> - -#include <typedefs.h> -#include <bcmnvram.h> -#include <sbconfig.h> -#include <sbextif.h> -#include <sbutils.h> -#include <sbmips.h> - -/* Global SB handle */ -extern void *bcm947xx_sbh; -extern spinlock_t bcm947xx_sbh_lock; - -/* Convenience */ -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock - -extern int panic_timeout; -static int watchdog = 0; -static u8 *mcr = NULL; - -void __init -bcm947xx_time_init(void) -{ - unsigned int hz; - extifregs_t *eir; - - /* - * Use deterministic values for initial counter interrupt - * so that calibrate delay avoids encountering a counter wrap. - */ - write_c0_count(0); - write_c0_compare(0xffff); - - if (!(hz = sb_mips_clock(sbh))) - hz = 100000000; - - printk("CPU: BCM%04x rev %d at %d MHz\n", sb_chip(sbh), sb_chiprev(sbh), - (hz + 500000) / 1000000); - - /* Set MIPS counter frequency for fixed_rate_gettimeoffset() */ - mips_hpt_frequency = hz / 2; - - /* Set watchdog interval in ms */ - watchdog = simple_strtoul(nvram_safe_get("watchdog"), NULL, 0); - - /* Please set the watchdog to 3 sec if it is less than 3 but not equal to 0 */ - if (watchdog > 0) { - if (watchdog < 3000) - watchdog = 3000; - } - - - /* Set panic timeout in seconds */ - panic_timeout = watchdog / 1000; - - /* Setup blink */ - if ((eir = sb_setcore(sbh, SB_EXTIF, 0))) { - sbconfig_t *sb = (sbconfig_t *)((unsigned int) eir + SBCONFIGOFF); - unsigned long base = EXTIF_CFGIF_BASE(sb_base(readl(&sb->sbadmatch1))); - mcr = (u8 *) ioremap_nocache(base + UART_MCR, 1); - } -} - -static void -bcm947xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - /* Generic MIPS timer code */ - timer_interrupt(irq, dev_id, regs); - - /* Set the watchdog timer to reset after the specified number of ms */ - if (watchdog > 0) - sb_watchdog(sbh, WATCHDOG_CLOCK / 1000 * watchdog); - -#ifdef CONFIG_HWSIM - (*((int *)0xa0000f1c))++; -#else - /* Blink one of the LEDs in the external UART */ - if (mcr && !(jiffies % (HZ/2))) - writeb(readb(mcr) ^ UART_MCR_OUT2, mcr); -#endif -} - -static struct irqaction bcm947xx_timer_irqaction = { - bcm947xx_timer_interrupt, - SA_INTERRUPT, - 0, - "timer", - NULL, - NULL -}; - -void __init -bcm947xx_timer_setup(struct irqaction *irq) -{ - /* Enable the timer interrupt */ - setup_irq(7, &bcm947xx_timer_irqaction); -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/generic/Makefile b/package/linux/kernel-source/arch/mips/brcm-boards/generic/Makefile deleted file mode 100644 index e16a80e56b..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/generic/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# Makefile for generic Broadcom MIPS boards -# -# Copyright 2004, Broadcom Corporation -# All Rights Reserved. -# -# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY -# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM -# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS -# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. -# -# $Id$ -# - -.S.s: - $(CPP) $(AFLAGS) $< -o $*.s -.S.o: - $(CC) $(AFLAGS) -c $< -o $*.o - -O_TARGET := brcm.o - -obj-y := int-handler.o irq.o - -obj-$(CONFIG_REMOTE_DEBUG) += gdb_hook.o - -include $(TOPDIR)/Rules.make diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/generic/gdb_hook.c b/package/linux/kernel-source/arch/mips/brcm-boards/generic/gdb_hook.c deleted file mode 100644 index 1345289bbc..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/generic/gdb_hook.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms 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., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * This is the interface to the remote debugger stub. - * - */ - -#include <linux/serialP.h> -#include <linux/serial_reg.h> - -#include <asm/serial.h> -#include <asm/io.h> - -static struct async_struct kdb_port_info = {0}; - -static __inline__ unsigned int serial_in(struct async_struct *info, int offset) -{ - return readb((unsigned long) info->iomem_base + - (offset<<info->iomem_reg_shift)); -} - -static __inline__ void serial_out(struct async_struct *info, int offset, - int value) -{ - writeb(value, (unsigned long) info->iomem_base + - (offset<<info->iomem_reg_shift)); -} - -void rs_kgdb_hook(struct serial_state *ser) { - int t; - - kdb_port_info.state = ser; - kdb_port_info.magic = SERIAL_MAGIC; - kdb_port_info.port = ser->port; - kdb_port_info.flags = ser->flags; - kdb_port_info.iomem_base = ser->iomem_base; - kdb_port_info.iomem_reg_shift = ser->iomem_reg_shift; - kdb_port_info.MCR = UART_MCR_DTR | UART_MCR_RTS; - - /* - * Clear all interrupts - */ - serial_in(&kdb_port_info, UART_LSR); - serial_in(&kdb_port_info, UART_RX); - serial_in(&kdb_port_info, UART_IIR); - serial_in(&kdb_port_info, UART_MSR); - - /* - * Now, initialize the UART - */ - serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8); /* reset DLAB */ - serial_out(&kdb_port_info, UART_MCR, kdb_port_info.MCR); - - /* - * and set the speed of the serial port - * (currently hardwired to 115200 8N1 - */ - - /* baud rate is fixed to 115200 (is this sufficient?)*/ - t = kdb_port_info.state->baud_base / 115200; - /* set DLAB */ - serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8 | UART_LCR_DLAB); - serial_out(&kdb_port_info, UART_DLL, t & 0xff);/* LS of divisor */ - serial_out(&kdb_port_info, UART_DLM, t >> 8); /* MS of divisor */ - /* reset DLAB */ - serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8); -} - -int putDebugChar(char c) -{ - - if (!kdb_port_info.state) { /* need to init device first */ - return 0; - } - - while ((serial_in(&kdb_port_info, UART_LSR) & UART_LSR_THRE) == 0) - ; - - serial_out(&kdb_port_info, UART_TX, c); - - return 1; -} - -char getDebugChar(void) -{ - if (!kdb_port_info.state) { /* need to init device first */ - return 0; - } - - while (!(serial_in(&kdb_port_info, UART_LSR) & 1)) - ; - - return(serial_in(&kdb_port_info, UART_RX)); -} diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/generic/int-handler.S b/package/linux/kernel-source/arch/mips/brcm-boards/generic/int-handler.S deleted file mode 100644 index de8f115c29..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/generic/int-handler.S +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Generic interrupt handler for Broadcom MIPS boards - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> - -#include <asm/asm.h> -#include <asm/mipsregs.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> - -/* - * MIPS IRQ Source - * -------- ------ - * 0 Software (ignored) - * 1 Software (ignored) - * 2 Combined hardware interrupt (hw0) - * 3 Hardware - * 4 Hardware - * 5 Hardware - * 6 Hardware - * 7 R4k timer - */ - - .text - .set noreorder - .set noat - .align 5 - NESTED(brcmIRQ, PT_SIZE, sp) - SAVE_ALL - CLI - .set at - .set noreorder - - jal brcm_irq_dispatch - move a0, sp - - j ret_from_irq - nop - - END(brcmIRQ) diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c b/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c deleted file mode 100644 index 157c6b3803..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Generic interrupt control functions for Broadcom MIPS boards - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/irq.h> - -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/gdb-stub.h> - -#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5) - -extern asmlinkage void brcmIRQ(void); -extern asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs); - -void -brcm_irq_dispatch(struct pt_regs *regs) -{ - u32 cause; - - cause = read_c0_cause() & - read_c0_status() & - CAUSEF_IP; - -#ifdef CONFIG_KERNPROF - change_c0_status(cause | 1, 1); -#else - clear_c0_status(cause); -#endif - - if (cause & CAUSEF_IP7) - do_IRQ(7, regs); - if (cause & CAUSEF_IP2) - do_IRQ(2, regs); - if (cause & CAUSEF_IP3) - do_IRQ(3, regs); - if (cause & CAUSEF_IP4) - do_IRQ(4, regs); - if (cause & CAUSEF_IP5) - do_IRQ(5, regs); - if (cause & CAUSEF_IP6) - do_IRQ(6, regs); -} - -static void -enable_brcm_irq(unsigned int irq) -{ - if (irq < 8) - set_c0_status(1 << (irq + 8)); - else - set_c0_status(IE_IRQ0); -} - -static void -disable_brcm_irq(unsigned int irq) -{ - if (irq < 8) - clear_c0_status(1 << (irq + 8)); - else - clear_c0_status(IE_IRQ0); -} - -static void -ack_brcm_irq(unsigned int irq) -{ - /* Already done in brcm_irq_dispatch */ -} - -static unsigned int -startup_brcm_irq(unsigned int irq) -{ - enable_brcm_irq(irq); - - return 0; /* never anything pending */ -} - -static void -end_brcm_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_brcm_irq(irq); -} - -static struct hw_interrupt_type brcm_irq_type = { - typename: "MIPS", - startup: startup_brcm_irq, - shutdown: disable_brcm_irq, - enable: enable_brcm_irq, - disable: disable_brcm_irq, - ack: ack_brcm_irq, - end: end_brcm_irq, - NULL -}; - -void __init -init_IRQ(void) -{ - int i; - - for (i = 0; i < NR_IRQS; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 1; - irq_desc[i].handler = &brcm_irq_type; - } - - set_except_vector(0, brcmIRQ); - change_c0_status(ST0_IM, ALLINTS); - -#ifdef CONFIG_REMOTE_DEBUG - printk("Breaking into debugger...\n"); - set_debug_traps(); - breakpoint(); -#endif -} |