1CONFIG_ARM=y 2CONFIG_TARGET_IMX31_PHYCORE=y 3CONFIG_BOOTDELAY=3 4CONFIG_SYS_PROMPT="uboot> " 5CONFIG_CMD_I2C=y 6# CONFIG_CMD_SETEXPR is not set 7CONFIG_CMD_PING=y 8# CONFIG_MMC is not set 9CONFIG_MTD_NOR_FLASH=y 10