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- /*
- * 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
- #define NVRAM_ERR_INV_PARAM -8
- #define NVRAM_ERR_ENVNOTFOUND -9
- extern int nvram_getenv(char *name, char *val, size_t val_len);
- #endif
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