1CONFIG_ARM=y 2CONFIG_ARCH_SUNXI=y 3CONFIG_SPL=y 4CONFIG_MACH_SUN7I=y 5CONFIG_DRAM_CLK=408 6CONFIG_DRAM_ZQ=122 7CONFIG_USB1_VBUS_PIN="PH11" 8CONFIG_SATAPWR="PH2" 9CONFIG_GMAC_TX_DELAY=3 10CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-pcduino3-nano" 11CONFIG_AHCI=y 12# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set 13CONFIG_SPL_I2C_SUPPORT=y 14# CONFIG_CMD_FLASH is not set 15# CONFIG_SPL_DOS_PARTITION is not set 16# CONFIG_SPL_EFI_PARTITION is not set 17CONFIG_SCSI_AHCI=y 18CONFIG_ETH_DESIGNWARE=y 19CONFIG_RGMII=y 20CONFIG_SUN7I_GMAC=y 21CONFIG_SCSI=y 22CONFIG_USB_EHCI_HCD=y 23CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y 24