diff options
Diffstat (limited to 'arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h')
| -rw-r--r-- | arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h new file mode 100644 index 000000000000..b8e7be8f34dd --- /dev/null +++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2005, Broadcom Corporation + * Copyright (C) 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. + */ + +#ifndef __BCM47XX_NVRAM_H +#define __BCM47XX_NVRAM_H + +#include <linux/types.h> +#include <linux/kernel.h> + +struct nvram_header { + u32 magic; + u32 len; + u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ + u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ + u32 config_ncdl; /* ncdl values for memc */ +}; + +#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ +#define NVRAM_VERSION 1 +#define NVRAM_HEADER_SIZE 20 +#define NVRAM_SPACE 0x8000 + +#define FLASH_MIN 0x00020000 /* Minimum flash size */ + +#define NVRAM_MAX_VALUE_LEN 255 +#define NVRAM_MAX_PARAM_LEN 64 + +extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len); + +static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) +{ + if (strchr(buf, ':')) + sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], + &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], + &macaddr[5]); + else if (strchr(buf, '-')) + sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], + &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], + &macaddr[5]); + else + printk(KERN_WARNING "Can not parse mac address: %s\n", buf); +} + +#endif /* __BCM47XX_NVRAM_H */ |