Blame view
common/env_ubi.c
4.47 KB
2b74433f3
env: Add support ...
|
1 2 3 4 |
/* * (c) Copyright 2012 by National Instruments, * Joe Hershberger <joe.hershberger@ni.com> * |
3765b3e7b
Coding Style clea...
|
5 |
* SPDX-License-Identifier: GPL-2.0+ |
|
2b74433f3
env: Add support ...
|
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 |
*/
#include <common.h>
#include <command.h>
#include <environment.h>
#include <errno.h>
#include <malloc.h>
#include <search.h>
#include <ubi_uboot.h>
#undef crc32
char *env_name_spec = "UBI";
env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
int env_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 1;
return 0;
}
#ifdef CONFIG_CMD_SAVEENV
|
|
785881f77
env: Add redundan...
|
34 35 36 37 38 39 |
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
static unsigned char env_flags;
int saveenv(void)
{
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
|
7ce1526ed
env: Add env_expo...
|
40 |
int ret; |
|
785881f77
env: Add redundan...
|
41 |
|
|
7ce1526ed
env: Add env_expo...
|
42 43 44 |
ret = env_export(env_new); if (ret) return ret; |
|
785881f77
env: Add redundan...
|
45 46 47 48 49 50 51 52 |
if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
printf("
** Cannot find mtd partition \"%s\"
",
CONFIG_ENV_UBI_PART);
return 1;
}
|
|
785881f77
env: Add redundan...
|
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 |
env_new->flags = ++env_flags; /* increase the serial */
if (gd->env_valid == 1) {
puts("Writing to redundant UBI... ");
if (ubi_volume_write(CONFIG_ENV_UBI_VOLUME_REDUND,
(void *)env_new, CONFIG_ENV_SIZE)) {
printf("
** Unable to write env to %s:%s **
",
CONFIG_ENV_UBI_PART,
CONFIG_ENV_UBI_VOLUME_REDUND);
return 1;
}
} else {
puts("Writing to UBI... ");
if (ubi_volume_write(CONFIG_ENV_UBI_VOLUME,
(void *)env_new, CONFIG_ENV_SIZE)) {
printf("
** Unable to write env to %s:%s **
",
CONFIG_ENV_UBI_PART,
CONFIG_ENV_UBI_VOLUME);
return 1;
}
}
puts("done
");
gd->env_valid = gd->env_valid == 2 ? 1 : 2;
return 0;
}
#else /* ! CONFIG_SYS_REDUNDAND_ENVIRONMENT */
|
|
2b74433f3
env: Add support ...
|
87 88 89 |
int saveenv(void)
{
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
|
|
7ce1526ed
env: Add env_expo...
|
90 |
int ret; |
|
2b74433f3
env: Add support ...
|
91 |
|
|
7ce1526ed
env: Add env_expo...
|
92 93 94 |
ret = env_export(env_new); if (ret) return ret; |
|
2b74433f3
env: Add support ...
|
95 96 97 98 99 100 101 102 |
if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
printf("
** Cannot find mtd partition \"%s\"
",
CONFIG_ENV_UBI_PART);
return 1;
}
|
|
2b74433f3
env: Add support ...
|
103 104 105 106 107 108 109 110 111 112 113 114 115 |
if (ubi_volume_write(CONFIG_ENV_UBI_VOLUME, (void *)env_new,
CONFIG_ENV_SIZE)) {
printf("
** Unable to write env to %s:%s **
",
CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
return 1;
}
puts("done
");
return 0;
}
|
|
785881f77
env: Add redundan...
|
116 |
#endif /* CONFIG_SYS_REDUNDAND_ENVIRONMENT */ |
|
2b74433f3
env: Add support ...
|
117 |
#endif /* CONFIG_CMD_SAVEENV */ |
|
785881f77
env: Add redundan...
|
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 |
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
void env_relocate_spec(void)
{
ALLOC_CACHE_ALIGN_BUFFER(char, env1_buf, CONFIG_ENV_SIZE);
ALLOC_CACHE_ALIGN_BUFFER(char, env2_buf, CONFIG_ENV_SIZE);
int crc1_ok = 0, crc2_ok = 0;
env_t *ep, *tmp_env1, *tmp_env2;
tmp_env1 = (env_t *)env1_buf;
tmp_env2 = (env_t *)env2_buf;
if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
printf("
** Cannot find mtd partition \"%s\"
",
CONFIG_ENV_UBI_PART);
set_default_env(NULL);
return;
}
if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, (void *)tmp_env1,
CONFIG_ENV_SIZE)) {
printf("
** Unable to read env from %s:%s **
",
CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
}
if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME_REDUND, (void *)tmp_env2,
CONFIG_ENV_SIZE)) {
printf("
** Unable to read redundant env from %s:%s **
",
CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME_REDUND);
}
crc1_ok = crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc;
crc2_ok = crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc;
if (!crc1_ok && !crc2_ok) {
set_default_env("!bad CRC");
return;
} else if (crc1_ok && !crc2_ok) {
gd->env_valid = 1;
} else if (!crc1_ok && crc2_ok) {
gd->env_valid = 2;
} else {
/* both ok - check serial */
if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
gd->env_valid = 2;
else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
gd->env_valid = 1;
else if (tmp_env1->flags > tmp_env2->flags)
gd->env_valid = 1;
else if (tmp_env2->flags > tmp_env1->flags)
gd->env_valid = 2;
else /* flags are equal - almost impossible */
gd->env_valid = 1;
}
if (gd->env_valid == 1)
ep = tmp_env1;
else
ep = tmp_env2;
env_flags = ep->flags;
env_import((char *)ep, 0);
}
#else /* ! CONFIG_SYS_REDUNDAND_ENVIRONMENT */
|
|
2b74433f3
env: Add support ...
|
187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 |
void env_relocate_spec(void)
{
ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
printf("
** Cannot find mtd partition \"%s\"
",
CONFIG_ENV_UBI_PART);
set_default_env(NULL);
return;
}
if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, (void *)&buf,
CONFIG_ENV_SIZE)) {
printf("
** Unable to read env from %s:%s **
",
CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
set_default_env(NULL);
return;
}
env_import(buf, 1);
}
|
|
785881f77
env: Add redundan...
|
212 |
#endif /* CONFIG_SYS_REDUNDAND_ENVIRONMENT */ |