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board: phycore-am62x: Extend for better environment handling

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Select environment location based on the device we boot from.
Also, introduce a "boot" variable that represents the current boot
device and can be used by scripts.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
This commit is contained in:
Wadim Egorov 2024-04-03 15:59:11 +02:00 • committed by Tom Rini
parent 2f9095e2bf
commit d5e6401011
2 changed files with 65 additions and 0 deletions
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64
board/phytec/phycore_am62x/phycore-am62x.c
View file

@ -57,3 +57,67 @@ void spl_board_init(void)
MCU_CTRL_DEVICE_CLKOUT_32K_CTRL);
}
#endif
#if IS_ENABLED(CONFIG_ENV_IS_IN_FAT) || IS_ENABLED(CONFIG_ENV_IS_IN_MMC)
int mmc_get_env_dev(void)
{
u32 boot_device = get_boot_device();
switch (boot_device) {
case BOOT_DEVICE_MMC1:
return 0;
case BOOT_DEVICE_MMC2:
return 1;
};
return CONFIG_SYS_MMC_ENV_DEV;
}
#endif
enum env_location env_get_location(enum env_operation op, int prio)
{
u32 boot_device = get_boot_device();
if (prio)
return ENVL_UNKNOWN;
switch (boot_device) {
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
if (CONFIG_IS_ENABLED(ENV_IS_IN_FAT))
return ENVL_FAT;
if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC))
return ENVL_MMC;
case BOOT_DEVICE_SPI:
if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
default:
return ENVL_NOWHERE;
};
}
#if IS_ENABLED(CONFIG_BOARD_LATE_INIT)
int board_late_init(void)
{
u32 boot_device = get_boot_device();
switch (boot_device) {
case BOOT_DEVICE_MMC1:
env_set_ulong("mmcdev", 0);
env_set("boot", "mmc");
break;
case BOOT_DEVICE_MMC2:
env_set_ulong("mmcdev", 1);
env_set("boot", "mmc");
break;
case BOOT_DEVICE_SPI:
env_set("boot", "spi");
break;
case BOOT_DEVICE_ETHERNET:
env_set("boot", "net");
break;
};
return 0;
}
#endif

1
configs/phycore_am62x_a53_defconfig
View file

@ -33,6 +33,7 @@ CONFIG_BOOTSTD_FULL=y
CONFIG_SYS_BOOTM_LEN=0x800000
CONFIG_BOOTCOMMAND="run mmcboot; bootflow scan -lb"
CONFIG_DEFAULT_FDT_FILE="oftree"
CONFIG_BOARD_LATE_INIT=y
CONFIG_SPL_MAX_SIZE=0x58000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x80c80000