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| author | Ashish Kumar <Ashish.Kumar@nxp.com> | 2017-12-07 10:45:13 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2018-01-12 06:24:12 (GMT) |
| commit | cb11ee1a8483fd607d0eb74a2ea96585ccd1f090 (patch) | |
| tree | 1c8caff3de6e2eff5a16eb589be6c28686a9ca88 /env | |
| parent | 70ba3deaac4236fa9b00b7c280564fb1e92af5ec (diff) | |
| download | u-boot-cb11ee1a8483fd607d0eb74a2ea96585ccd1f090.tar.xz | |
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>
Diffstat (limited to 'env')
| -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 }; |