diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-06 16:27:37 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-06 16:27:37 +0000 |
commit | 17c7b6c3fdc48301e50d22cc6138ede16bd1be24 (patch) | |
tree | a5d41b991a151e72663527a96fbc6c494565d65c /target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c | |
parent | 5389989abaa52926b22f9f030d1481df1e73d745 (diff) |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c')
-rw-r--r-- | target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c deleted file mode 100644 index 3f32ad9d6..000000000 --- a/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/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); |