diff options
| author | Ashish Kumar <Ashish.Kumar@nxp.com> | 2017-12-14 17:37:08 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2018-01-17 10:30:54 -0800 |
| commit | b500c92b70e8e103ca75f95e4b0e97d92dddf185 (patch) | |
| tree | 7ec8ef86ba73f647ad4869efe8dfa67188958674 /env/sf.c | |
| parent | 134200a5efffcbba56bdb6954d5b3527ea1fa09c (diff) | |
env: sf: Add support for env init for QSPI-NOR
ENV variables can now be used before relocation.
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'env/sf.c')
| -rw-r--r-- | env/sf.c | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -34,6 +34,7 @@ #ifndef CONFIG_SPL_BUILD #define CMD_SAVEENV +#define INITENV #endif #ifdef CONFIG_ENV_OFFSET_REDUND @@ -348,6 +349,23 @@ out: } #endif +#if defined(INITENV) && defined(CONFIG_ENV_ADDR) +static int env_sf_init(void) +{ + env_t *env_ptr = (env_t *)(CONFIG_ENV_ADDR); + + if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { + gd->env_addr = (ulong)&(env_ptr->data); + gd->env_valid = 1; + } else { + gd->env_addr = (ulong)&default_environment[0]; + gd->env_valid = 1; + } + + return 0; +} +#endif + U_BOOT_ENV_LOCATION(sf) = { .location = ENVL_SPI_FLASH, ENV_NAME("SPI Flash") @@ -355,4 +373,7 @@ U_BOOT_ENV_LOCATION(sf) = { #ifdef CMD_SAVEENV .save = env_save_ptr(env_sf_save), #endif +#if defined(INITENV) && defined(CONFIG_ENV_ADDR) + .init = env_sf_init, +#endif }; |