CONFIG_DEFAULT_DEVICE_TREE="sun9i-a80-optimus" CONFIG_VIDEO=n CONFIG_USB_KEYBOARD=n CONFIG_MMC0_CD_PIN="PH18" CONFIG_ARM=y CONFIG_ARCH_SUNXI=y CONFIG_MACH_SUN9I=y # these are unused atm but we must set them to something CONFIG_DRAM_CLK=360 CONFIG_DRAM_ZQ=123 CONFIG_SYS_CLK_FREQ=1008000000