1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,MACPWR=SUNXI_GPH(23),AHCI,USB_EHCI" 3CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-bananapi" 4CONFIG_GMAC_TX_DELAY=3 5CONFIG_ARM=y 6CONFIG_ARCH_SUNXI=y 7CONFIG_MACH_SUN7I=y 8CONFIG_DRAM_CLK=432 9CONFIG_DRAM_ZQ=127 10CONFIG_DRAM_EMR1=4 11CONFIG_ETH_DESIGNWARE=y 12