1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* NVRAM variable manipulation
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: bcmnvram.h 364705 2012-10-25 00:42:42Z $
*/
#ifndef _bcmnvram_h_
#define _bcmnvram_h_
#ifndef _LANGUAGE_ASSEMBLY
#include <typedefs.h>
#include <bcmdefs.h>
struct nvram_header {
uint32 magic;
uint32 len;
uint32 crc_ver_init;
uint32 config_refresh;
uint32 config_ncdl;
};
struct nvram_tuple {
char *name;
char *value;
struct nvram_tuple *next;
};
extern char *nvram_default_get(const char *name);
extern int nvram_init(void *sih);
extern int nvram_deinit(void *sih);
extern int nvram_append(void *si, char *vars, uint varsz);
extern void nvram_get_global_vars(char **varlst, uint *varsz);
extern int nvram_reset(void *sih);
extern void nvram_exit(void *sih);
extern char * nvram_get(const char *name);
extern int nvram_resetgpio_init(void *sih);
static INLINE char *
nvram_safe_get(const char *name)
{
char *p = nvram_get(name);
return p ? p : "";
}
static INLINE int
nvram_match(const char *name, const char *match)
{
const char *value = nvram_get(name);
return (value && !strcmp(value, match));
}
static INLINE int
nvram_invmatch(const char *name, const char *invmatch)
{
const char *value = nvram_get(name);
return (value && strcmp(value, invmatch));
}
extern int nvram_set(const char *name, const char *value);
extern int nvram_unset(const char *name);
extern int nvram_commit(void);
extern int nvram_getall(char *nvram_buf, int count);
uint8 nvram_calc_crc(struct nvram_header * nvh);
extern int nvram_space;
#endif
#define NVRAM_SOFTWARE_VERSION "1"
#define NVRAM_MAGIC 0x48534C46
#define NVRAM_CLEAR_MAGIC 0x0
#define NVRAM_INVALID_MAGIC 0xFFFFFFFF
#define NVRAM_VERSION 1
#define NVRAM_HEADER_SIZE 20
#define NVRAM_SPACE 0x8000
#define DEF_NVRAM_SPACE 0x8000
#ifdef MAX_NVRAM_SPACE
#undef MAX_NVRAM_SPACE
#endif
#define MAX_NVRAM_SPACE NVRAM_SPACE
#define ROM_ENVRAM_SPACE 0x1000
#define NVRAM_LZMA_MAGIC 0x4c5a4d41
#define NVRAM_MAX_VALUE_LEN 255
#define NVRAM_MAX_PARAM_LEN 64
#define NVRAM_CRC_START_POSITION 9
#define NVRAM_CRC_VER_MASK 0xffffff00
#define NVRAM_START_COMPRESSED 0x400
#define NVRAM_START 0x1000
#define BCM_JUMBO_NVRAM_DELIMIT '\n'
#define BCM_JUMBO_START "Broadcom Jumbo Nvram file"
#if (defined(FAILSAFE_UPGRADE) || defined(CONFIG_FAILSAFE_UPGRADE) || \
defined(__CONFIG_FAILSAFE_UPGRADE_SUPPORT__))
#define IMAGE_SIZE "image_size"
#define BOOTPARTITION "bootpartition"
#define IMAGE_BOOT BOOTPARTITION
#define PARTIALBOOTS "partialboots"
#define MAXPARTIALBOOTS "maxpartialboots"
#define IMAGE_1ST_FLASH_TRX "flash0.trx"
#define IMAGE_1ST_FLASH_OS "flash0.os"
#define IMAGE_2ND_FLASH_TRX "flash0.trx2"
#define IMAGE_2ND_FLASH_OS "flash0.os2"
#define IMAGE_FIRST_OFFSET "image_first_offset"
#define IMAGE_SECOND_OFFSET "image_second_offset"
#define LINUX_FIRST "linux"
#define LINUX_SECOND "linux2"
#endif
#if (defined(DUAL_IMAGE) || defined(CONFIG_DUAL_IMAGE) || \
defined(__CONFIG_DUAL_IMAGE_FLASH_SUPPORT__))
#define IMAGE_BOOT "image_boot"
#define BOOTPARTITION IMAGE_BOOT
#define IMAGE_1ST_FLASH_TRX "flash0.trx"
#define IMAGE_1ST_FLASH_OS "flash0.os"
#define IMAGE_2ND_FLASH_TRX "flash0.trx2"
#define IMAGE_2ND_FLASH_OS "flash0.os2"
#define IMAGE_SIZE "image_size"
#define IMAGE_FIRST_OFFSET "image_first_offset"
#define IMAGE_SECOND_OFFSET "image_second_offset"
#define LINUX_FIRST "linux"
#define LINUX_SECOND "linux2"
#define POLICY_TOGGLE "toggle"
#define LINUX_PART_TO_FLASH "linux_to_flash"
#define LINUX_FLASH_POLICY "linux_flash_policy"
#endif
#endif
|
