ENV variables can now be used before relocation.
Signed-off-by: Ashish Kumar Ashish.Kumar@nxp.com --- Tested on ls1088ardb Tested on ls1012 after adding CONFIG_ENV_ADDR in header files
env/sf.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/env/sf.c b/env/sf.c index e51b1ae..d3d46d0 100644 --- a/env/sf.c +++ b/env/sf.c @@ -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 };