CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI"
CONFIG_FDTFILE="sun7i-a20-pcduino3.dtb"
+S:CONFIG_ARM=y
+S:CONFIG_ARCH_SUNXI=y
+S:CONFIG_MACH_SUN7I=y
+S:CONFIG_DRAM_CLK=480
+S:CONFIG_DRAM_ZQ=122
+S:CONFIG_DRAM_EMR1=4