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Diffstat (limited to 'target/linux/brcm47xx/files-2.6.25/arch/mips/bcm47xx/nvram.c')
-rw-r--r--target/linux/brcm47xx/files-2.6.25/arch/mips/bcm47xx/nvram.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm47xx/nvram.c b/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm47xx/nvram.c
deleted file mode 100644
index 3f32ad9d6..000000000
--- a/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm47xx/nvram.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * BCM947xx nvram variable access
- *
- * Copyright 2005, Broadcom Corporation
- * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/ssb/ssb.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <asm/byteorder.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#include <nvram.h>
-
-#define MB * 1048576
-extern struct ssb_bus ssb;
-
-static char nvram_buf[NVRAM_SPACE];
-static int cfe_env;
-extern char *cfe_env_get(char *nv_buf, const char *name);
-
-/* Probe for NVRAM header */
-static void __init early_nvram_init(void)
-{
- struct ssb_mipscore *mcore = &ssb.mipscore;
- struct nvram_header *header;
- int i;
- u32 base, lim, off;
- u32 *src, *dst;
-
- base = mcore->flash_window;
- lim = mcore->flash_window_size;
- cfe_env = 0;
-
-
- /* XXX: hack for supporting the CFE environment stuff on WGT634U */
- if (lim >= 8 MB) {
- src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
- dst = (u32 *) nvram_buf;
-
- if ((*src & 0xff00ff) == 0x000001) {
- printk("early_nvram_init: WGT634U NVRAM found.\n");
-
- for (i = 0; i < 0x1ff0; i++) {
- if (*src == 0xFFFFFFFF)
- break;
- *dst++ = *src++;
- }
- cfe_env = 1;
- return;
- }
- }
-
- off = 0x20000;
- while (off <= lim) {
- /* Windowed flash access */
- header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
- if (header->magic == NVRAM_HEADER)
- goto found;
- off <<= 1;
- }
-
- /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
- header = (struct nvram_header *) KSEG1ADDR(base + 4096);
- if (header->magic == NVRAM_HEADER)
- goto found;
-
- header = (struct nvram_header *) KSEG1ADDR(base + 1024);
- if (header->magic == NVRAM_HEADER)
- goto found;
-
- return;
-
-found:
- src = (u32 *) header;
- 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++ = le32_to_cpu(*src++);
-}
-
-char *nvram_get(const char *name)
-{
- char *var, *value, *end, *eq;
-
- if (!name)
- return NULL;
-
- if (!nvram_buf[0])
- early_nvram_init();
-
- if (cfe_env)
- return cfe_env_get(nvram_buf, name);
-
- /* 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;
-}
-
-EXPORT_SYMBOL(nvram_get);