CONFIG_USE_PREBOOT=y
CONFIG_PREBOOT="env exist ${bootdev}preboot && run ${bootdev}preboot"
CONFIG_LOGLEVEL=6
+CONFIG_SPL_TEXT_BASE=0x00040000
CONFIG_SPL_NAND_SUPPORT=y
CONFIG_SPL_NOR_SUPPORT=y
CONFIG_CMD_CONFIG=y
CONFIG_MISC=y
CONFIG_I2C_EEPROM=y
CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=10
+CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_MMC_UNIPHIER=y
CONFIG_FLASH_CFI_DRIVER=y
CONFIG_SYS_FLASH_CFI=y