1CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20" 2CONFIG_ARM=y 3CONFIG_ARCH_AT91=y 4CONFIG_TARGET_SNAPPER9260=y 5CONFIG_DM=y 6CONFIG_DM_GPIO=y 7CONFIG_DM_SERIAL=y 8CONFIG_SYS_MALLOC_F=y 9CONFIG_SYS_MALLOC_F_LEN=0x400 10