1CONFIG_ARM=y 2CONFIG_ARCH_SUNXI=y 3CONFIG_SPL_I2C_SUPPORT=y 4CONFIG_MACH_SUN7I=y 5CONFIG_DRAM_CLK=408 6CONFIG_DRAM_ZQ=122 7CONFIG_USB1_VBUS_PIN="PH11" 8CONFIG_GMAC_TX_DELAY=3 9CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-pcduino3-nano" 10# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set 11CONFIG_SYS_EXTRA_OPTIONS="SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPH(2)" 12CONFIG_SPL=y 13# CONFIG_CMD_IMLS is not set 14# CONFIG_CMD_FLASH is not set 15# CONFIG_CMD_FPGA is not set 16CONFIG_ETH_DESIGNWARE=y 17CONFIG_USB_EHCI_HCD=y 18