1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI" 3CONFIG_FDTFILE="sun7i-a20-pcduino3.dtb" 4+S:CONFIG_ARM=y 5+S:CONFIG_ARCH_SUNXI=y 6+S:CONFIG_MACH_SUN7I=y 7+S:CONFIG_TARGET_PCDUINO3=y 8+S:CONFIG_DRAM_CLK=480 9+S:CONFIG_DRAM_ZQ=122 10+S:CONFIG_DRAM_EMR1=4 11