CONFIG_ARM=y CONFIG_ARCH_SUNXI=y CONFIG_MACH_SUN7I=y CONFIG_DRAM_CLK=408 CONFIG_DRAM_ZQ=122 CONFIG_USB1_VBUS_PIN="PH11" CONFIG_GMAC_TX_DELAY=3 CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-pcduino3-nano" CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI" CONFIG_ETH_DESIGNWARE=y