1CONFIG_ARM=y 2CONFIG_TARGET_MX28EVK=y 3CONFIG_SPL=y 4CONFIG_SYS_EXTRA_OPTIONS="ENV_IS_IN_NAND" 5# CONFIG_CMD_IMLS is not set 6# CONFIG_CMD_FLASH is not set 7CONFIG_CMD_GPIO=y 8CONFIG_SPI_FLASH=y 9CONFIG_SPI_FLASH_SST=y 10