1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="USB_EHCI,SUNXI_GMAC,RGMII,MACPWR=SUNXI_GPA(21)" 3CONFIG_FDTFILE="sun6i-a31-hummingbird.dtb" 4CONFIG_VIDEO_VGA_VIA_LCD=y 5CONFIG_VIDEO_VGA_EXTERNAL_DAC_EN="PH25" 6+S:CONFIG_ARM=y 7+S:CONFIG_ARCH_SUNXI=y 8+S:CONFIG_MACH_SUN6I=y 9+S:CONFIG_TARGET_HUMMINGBIRD_A31=y 10+S:CONFIG_DRAM_CLK=312 11+S:CONFIG_DRAM_ZQ=251 12# Wifi power 13+S:CONFIG_AXP221_ALDO1_VOLT=3300 14# Vbus gpio for usb1 15+S:CONFIG_USB1_VBUS_PIN="PH24" 16# No Vbus gpio for usb2 17+S:CONFIG_USB2_VBUS_PIN="" 18