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rockchip: puma-rk3399: load environment from same MMC as used for loading U-Boot proper

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Automatically detect which MMC device (SD-Card or eMMC) was used to load
U-Boot proper and load the environment from that MMC device instead of
a hardcoded one.

Cc: Quentin Schulz <foss+uboot@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Quentin Schulz 2022-09-15 11:14:25 +02:00 committed by Kever Yang
parent ba086c6260
commit d7435d4057
1 changed files with 22 additions and 0 deletions
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22
board/theobroma-systems/puma_rk3399/puma-rk3399.c
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@ -113,6 +113,28 @@ static int setup_boottargets(void)
return 0;
}
int mmc_get_env_dev(void)
{
const char *boot_device =
ofnode_read_chosen_string("u-boot,spl-boot-device");
if (!boot_device) {
debug("%s: /chosen/u-boot,spl-boot-device not set\n",
__func__);
return CONFIG_SYS_MMC_ENV_DEV;
}
debug("%s: booted from %s\n", __func__, boot_device);
if (!strcmp(boot_device, "/mmc@fe320000"))
return 1;
if (!strcmp(boot_device, "/mmc@fe330000"))
return 0;
return CONFIG_SYS_MMC_ENV_DEV;
}
int misc_init_r(void)
{
const u32 cpuid_offset = 0x7;