-CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="SUNXI_GMAC,RGMII"
-# CONFIG_CMD_IMLS is not set
-# CONFIG_CMD_FLASH is not set
-# CONFIG_CMD_FPGA is not set
+CONFIG_USE_PREBOOT=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_DEFAULT_DEVICE_TREE="sun6i-a31s-sinovoip-bpi-m2"
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y