1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="A20_OLINUXINO_M,SPL,AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8),USB_EHCI" 3CONFIG_FTDFILE="sun7i-a20-olinuxino-micro.dtb" 4+S:CONFIG_ARM=y 5+S:CONFIG_TARGET_SUN7I=y 6