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author | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
commit | d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch) | |
tree | 854ab394486288d40fa8179cbfaf66e8bdc44b0f /arch/mips/include/asm/mach-bcm47xx/nvram.h | |
parent | 73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff) | |
parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) |
Merge branch 'master' into for-next
Diffstat (limited to 'arch/mips/include/asm/mach-bcm47xx/nvram.h')
-rw-r--r-- | arch/mips/include/asm/mach-bcm47xx/nvram.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm47xx/nvram.h b/arch/mips/include/asm/mach-bcm47xx/nvram.h new file mode 100644 index 00000000000..0d8cc146f7a --- /dev/null +++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h @@ -0,0 +1,36 @@ +/* + * 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 __NVRAM_H +#define __NVRAM_H + +#include <linux/types.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 nvram_getenv(char *name, char *val, size_t val_len); + +#endif |