CONFIG_ARM=y CONFIG_TARGET_MX28EVK=y CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="MXS_AUART,MXS_AUART_BASE=MXS_UARTAPP3_BASE,ENV_IS_IN_MMC" # CONFIG_CMD_IMLS is not set # CONFIG_CMD_FLASH is not set CONFIG_CMD_GPIO=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_SST=y CONFIG_OF_LIBFDT=y