180 lines
4.3 KiB
C
180 lines
4.3 KiB
C
/*
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* NVRAM variable manipulation
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*
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* Copyright (C) 1999-2012, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: bcmnvram.h 320632 2012-03-12 19:22:42Z $
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*/
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#ifndef _bcmnvram_h_
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#define _bcmnvram_h_
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#ifndef _LANGUAGE_ASSEMBLY
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#include <typedefs.h>
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#include <bcmdefs.h>
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struct nvram_header {
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uint32 magic;
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uint32 len;
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uint32 crc_ver_init;
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uint32 config_refresh;
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uint32 config_ncdl;
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};
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struct nvram_tuple {
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char *name;
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char *value;
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struct nvram_tuple *next;
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};
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extern char *nvram_default_get(const char *name);
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extern int nvram_init(void *sih);
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extern int nvram_append(void *si, char *vars, uint varsz);
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extern void nvram_get_global_vars(char **varlst, uint *varsz);
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extern int nvram_reset(void *sih);
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extern void nvram_exit(void *sih);
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extern char * nvram_get(const char *name);
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extern int nvram_resetgpio_init(void *sih);
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static INLINE char *
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nvram_safe_get(const char *name)
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{
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char *p = nvram_get(name);
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return p ? p : "";
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}
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static INLINE int
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nvram_match(char *name, char *match)
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{
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const char *value = nvram_get(name);
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return (value && !strcmp(value, match));
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}
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static INLINE int
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nvram_invmatch(char *name, char *invmatch)
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{
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const char *value = nvram_get(name);
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return (value && strcmp(value, invmatch));
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}
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extern int nvram_set(const char *name, const char *value);
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extern int nvram_unset(const char *name);
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extern int nvram_commit(void);
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extern int nvram_getall(char *nvram_buf, int count);
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uint8 nvram_calc_crc(struct nvram_header * nvh);
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#endif
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#define NVRAM_SOFTWARE_VERSION "1"
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#define NVRAM_MAGIC 0x48534C46
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#define NVRAM_CLEAR_MAGIC 0x0
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#define NVRAM_INVALID_MAGIC 0xFFFFFFFF
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#define NVRAM_VERSION 1
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#define NVRAM_HEADER_SIZE 20
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#define NVRAM_SPACE 0x8000
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#define NVRAM_MAX_VALUE_LEN 255
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#define NVRAM_MAX_PARAM_LEN 64
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#define NVRAM_CRC_START_POSITION 9
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#define NVRAM_CRC_VER_MASK 0xffffff00
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#define NVRAM_START_COMPRESSED 0x400
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#define NVRAM_START 0x1000
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#define BCM_JUMBO_NVRAM_DELIMIT '\n'
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#define BCM_JUMBO_START "Broadcom Jumbo Nvram file"
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#if (defined(FAILSAFE_UPGRADE) || defined(CONFIG_FAILSAFE_UPGRADE) || \
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defined(__CONFIG_FAILSAFE_UPGRADE_SUPPORT__))
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#define IMAGE_SIZE "image_size"
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#define BOOTPARTITION "bootpartition"
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#define IMAGE_BOOT BOOTPARTITION
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#define PARTIALBOOTS "partialboots"
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#define MAXPARTIALBOOTS "maxpartialboots"
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#define IMAGE_1ST_FLASH_TRX "flash0.trx"
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#define IMAGE_1ST_FLASH_OS "flash0.os"
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#define IMAGE_2ND_FLASH_TRX "flash0.trx2"
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#define IMAGE_2ND_FLASH_OS "flash0.os2"
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#define IMAGE_FIRST_OFFSET "image_first_offset"
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#define IMAGE_SECOND_OFFSET "image_second_offset"
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#define LINUX_FIRST "linux"
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#define LINUX_SECOND "linux2"
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#endif
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#if (defined(DUAL_IMAGE) || defined(CONFIG_DUAL_IMAGE) || \
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defined(__CONFIG_DUAL_IMAGE_FLASH_SUPPORT__))
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#define IMAGE_BOOT "image_boot"
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#define BOOTPARTITION IMAGE_BOOT
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#define IMAGE_1ST_FLASH_TRX "flash0.trx"
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#define IMAGE_1ST_FLASH_OS "flash0.os"
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#define IMAGE_2ND_FLASH_TRX "flash0.trx2"
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#define IMAGE_2ND_FLASH_OS "flash0.os2"
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#define IMAGE_SIZE "image_size"
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#define IMAGE_FIRST_OFFSET "image_first_offset"
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#define IMAGE_SECOND_OFFSET "image_second_offset"
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#define LINUX_FIRST "linux"
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#define LINUX_SECOND "linux2"
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#define POLICY_TOGGLE "toggle"
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#define LINUX_PART_TO_FLASH "linux_to_flash"
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#define LINUX_FLASH_POLICY "linux_flash_policy"
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#endif
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#endif
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