1CONFIG_ARM=y 2CONFIG_ARCH_SUNXI=y 3CONFIG_MACH_SUN7I=y 4CONFIG_DRAM_CLK=432 5CONFIG_GMAC_TX_DELAY=3 6CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-bananapi" 7CONFIG_SPL=y 8CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,MACPWR=SUNXI_GPH(23),AHCI,USB_EHCI" 9CONFIG_CMD_SETEXPR=y 10CONFIG_CMD_NET=y 11CONFIG_ETH_DESIGNWARE=y 12