This allows to : - select the current device to save the environment file - select the correct EXT4 boot device instance and partition to save the environment file.
For EXT4, device is mmc, device instance is 0 for sdcard or 1 for eMMC. The partition is set to "auto" to select the first partition with bootable flag.
Signed-off-by: Patrice Chotard patrice.chotard@st.com ---
board/st/stm32mp1/stm32mp1.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 360b0df..316cd48 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -19,6 +19,7 @@ #include <asm/io.h> #include <asm/gpio.h> #include <asm/arch/stm32.h> +#include <asm/arch/sys_proto.h> #include <power/regulator.h> #include <usb/dwc2_udc.h>
@@ -505,6 +506,29 @@ void board_quiesce_devices(void) setup_led(LEDST_OFF); }
+#if defined(CONFIG_ENV_IS_IN_EXT4) +const char *env_ext4_get_intf(void) +{ + u32 bootmode = get_bootmode(); + + switch (bootmode & TAMP_BOOT_DEVICE_MASK) { + case BOOT_FLASH_SD: + case BOOT_FLASH_EMMC: + return "mmc"; + default: + return ""; + } +} + +const char *env_ext4_get_dev_part(void) +{ + static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"}; + u32 bootmode = get_bootmode(); + + return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1]; +} +#endif + #ifdef CONFIG_SYS_MTDPARTS_RUNTIME
#define MTDPARTS_LEN 256