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Diffstat (limited to 'openwrt/package/linux/kernel-source/drivers/mtd/maps/bcm947xx-flash.c')
-rw-r--r--openwrt/package/linux/kernel-source/drivers/mtd/maps/bcm947xx-flash.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/openwrt/package/linux/kernel-source/drivers/mtd/maps/bcm947xx-flash.c b/openwrt/package/linux/kernel-source/drivers/mtd/maps/bcm947xx-flash.c
deleted file mode 100644
index 716867ff1..000000000
--- a/openwrt/package/linux/kernel-source/drivers/mtd/maps/bcm947xx-flash.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * Flash mapping for 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.
- *
- * $Id$
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <linux/config.h>
-
-#include <typedefs.h>
-#include <bcmnvram.h>
-#include <bcmutils.h>
-#include <sbconfig.h>
-#include <sbchipc.h>
-#include <sbutils.h>
-#include <trxhdr.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
-
-#ifdef CONFIG_MTD_PARTITIONS
-extern struct mtd_partition * init_mtd_partitions(struct mtd_info *mtd, size_t size);
-#endif
-
-#define WINDOW_ADDR 0x1fc00000
-#define WINDOW_SIZE 0x400000
-#define BUSWIDTH 2
-
-/* e.g., flash=2M or flash=4M */
-static int flash = 0;
-MODULE_PARM(flash, "i");
-static int __init
-bcm947xx_setup(char *str)
-{
- flash = memparse(str, &str);
- return 1;
-}
-__setup("flash=", bcm947xx_setup);
-
-static struct mtd_info *bcm947xx_mtd;
-
-__u8 bcm947xx_map_read8(struct map_info *map, unsigned long ofs)
-{
- if (map->map_priv_2 == 1)
- return __raw_readb(map->map_priv_1 + ofs);
-
- u16 val = __raw_readw(map->map_priv_1 + (ofs & ~1));
- if (ofs & 1)
- return ((val >> 8) & 0xff);
- else
- return (val & 0xff);
-}
-
-__u16 bcm947xx_map_read16(struct map_info *map, unsigned long ofs)
-{
- return __raw_readw(map->map_priv_1 + ofs);
-}
-
-__u32 bcm947xx_map_read32(struct map_info *map, unsigned long ofs)
-{
- return __raw_readl(map->map_priv_1 + ofs);
-}
-
-void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
- if (len==1) {
- memcpy_fromio(to, map->map_priv_1 + from, len);
- } else {
- int i;
- u16 *dest = (u16 *) to;
- u16 *src = (u16 *) (map->map_priv_1 + from);
- for (i = 0; i < (len / 2); i++) {
- dest[i] = src[i];
- }
- if (len & 1)
- *((u8 *)dest+len-1) = src[i] & 0xff;
- }
-}
-
-void bcm947xx_map_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
- __raw_writeb(d, map->map_priv_1 + adr);
- mb();
-}
-
-void bcm947xx_map_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
- __raw_writew(d, map->map_priv_1 + adr);
- mb();
-}
-
-void bcm947xx_map_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
- __raw_writel(d, map->map_priv_1 + adr);
- mb();
-}
-
-void bcm947xx_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-{
- memcpy_toio(map->map_priv_1 + to, from, len);
-}
-
-struct map_info bcm947xx_map = {
- name: "Physically mapped flash",
- size: WINDOW_SIZE,
- buswidth: BUSWIDTH,
- read8: bcm947xx_map_read8,
- read16: bcm947xx_map_read16,
- read32: bcm947xx_map_read32,
- copy_from: bcm947xx_map_copy_from,
- write8: bcm947xx_map_write8,
- write16: bcm947xx_map_write16,
- write32: bcm947xx_map_write32,
- copy_to: bcm947xx_map_copy_to
-};
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define init_bcm947xx_map init_module
-#define cleanup_bcm947xx_map cleanup_module
-#endif
-
-mod_init_t init_bcm947xx_map(void)
-{
- ulong flags;
- uint coreidx;
- chipcregs_t *cc;
- uint32 fltype;
- uint window_addr = 0, window_size = 0;
- size_t size;
- int ret = 0;
-#ifdef CONFIG_MTD_PARTITIONS
- struct mtd_partition *parts;
- int i;
-#endif
-
- spin_lock_irqsave(&sbh_lock, flags);
- coreidx = sb_coreidx(sbh);
-
- /* Check strapping option if chipcommon exists */
- if ((cc = sb_setcore(sbh, SB_CC, 0))) {
- fltype = readl(&cc->capabilities) & CAP_FLASH_MASK;
- if (fltype == PFLASH) {
- bcm947xx_map.map_priv_2 = 1;
- window_addr = 0x1c000000;
- bcm947xx_map.size = window_size = 32 * 1024 * 1024;
- if ((readl(&cc->flash_config) & CC_CFG_DS) == 0)
- bcm947xx_map.buswidth = 1;
- }
- } else {
- fltype = PFLASH;
- bcm947xx_map.map_priv_2 = 0;
- window_addr = WINDOW_ADDR;
- window_size = WINDOW_SIZE;
- }
-
- sb_setcoreidx(sbh, coreidx);
- spin_unlock_irqrestore(&sbh_lock, flags);
-
- if (fltype != PFLASH) {
- printk(KERN_ERR "pflash: found no supported devices\n");
- ret = -ENODEV;
- goto fail;
- }
-
- bcm947xx_map.map_priv_1 = (unsigned long) ioremap(window_addr, window_size);
- if (!bcm947xx_map.map_priv_1) {
- printk(KERN_ERR "pflash: ioremap failed\n");
- ret = -EIO;
- goto fail;
- }
-
- if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
- printk(KERN_ERR "pflash: cfi_probe failed\n");
- ret = -ENXIO;
- goto fail;
- }
-
- bcm947xx_mtd->module = THIS_MODULE;
-
- /* Allow size override for testing */
- size = flash ? : bcm947xx_mtd->size;
-
- printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, window_addr);
-
-#ifdef CONFIG_MTD_PARTITIONS
- parts = init_mtd_partitions(bcm947xx_mtd, size);
- for (i = 0; parts[i].name; i++);
- ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
- if (ret) {
- printk(KERN_ERR "pflash: add_mtd_partitions failed\n");
- goto fail;
- }
-#endif
-
- return 0;
-
- fail:
- if (bcm947xx_mtd)
- map_destroy(bcm947xx_mtd);
- if (bcm947xx_map.map_priv_1)
- iounmap((void *) bcm947xx_map.map_priv_1);
- bcm947xx_map.map_priv_1 = 0;
- return ret;
-}
-
-mod_exit_t cleanup_bcm947xx_map(void)
-{
-#ifdef CONFIG_MTD_PARTITIONS
- del_mtd_partitions(bcm947xx_mtd);
-#endif
- map_destroy(bcm947xx_mtd);
- iounmap((void *) bcm947xx_map.map_priv_1);
- bcm947xx_map.map_priv_1 = 0;
-}
-
-module_init(init_bcm947xx_map);
-module_exit(cleanup_bcm947xx_map);