1CONFIG_ARM=y 2CONFIG_TARGET_LS1021ATWR=y 3CONFIG_DM_SERIAL=y 4CONFIG_DEFAULT_DEVICE_TREE="ls1021a-twr-lpuart" 5CONFIG_OF_BOARD_SETUP=y 6CONFIG_OF_STDOUT_VIA_ALIAS=y 7CONFIG_SYS_EXTRA_OPTIONS="LPUART" 8# CONFIG_CMD_SETEXPR is not set 9CONFIG_OF_CONTROL=y 10CONFIG_DM=y 11CONFIG_NETDEVICES=y 12CONFIG_E1000=y 13CONFIG_FSL_LPUART=y 14