CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI" CONFIG_FDTFILE="sun7i-a20-pcduino3-nano.dtb" CONFIG_GMAC_TX_DELAY=3 CONFIG_USB1_VBUS_PIN="PH11" +S:CONFIG_ARM=y +S:CONFIG_ARCH_SUNXI=y +S:CONFIG_MACH_SUN7I=y +S:CONFIG_DRAM_CLK=408 +S:CONFIG_DRAM_ZQ=122 +S:CONFIG_DRAM_EMR1=4