1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_EMAC,USB_EHCI" 3CONFIG_FDTFILE="sun4i-a10-pcduino.dtb" 4+S:CONFIG_ARM=y 5+S:CONFIG_ARCH_SUNXI=y 6+S:CONFIG_MACH_SUN4I=y 7+S:CONFIG_TARGET_PCDUINO=y 8