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