1CONFIG_ARM=y 2CONFIG_ARCH_AT91=y 3CONFIG_TARGET_SAMA5D4_XPLAINED=y 4CONFIG_SPL=y 5CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_NANDFLASH" 6CONFIG_CMD_SETEXPR=y 7CONFIG_CMD_NET=y 8CONFIG_SPI_FLASH=y 9