1CONFIG_ARM=y 2CONFIG_ARCH_SUNXI=y 3CONFIG_MACH_SUN7I=y 4CONFIG_DRAM_CLK=480 5CONFIG_DRAM_ZQ=122 6CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-pcduino3" 7CONFIG_SPL=y 8CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI" 9CONFIG_CMD_SETEXPR=y 10CONFIG_CMD_NET=y 11CONFIG_ETH_DESIGNWARE=y 12