-CONFIG_BOOTSTAGE_USER_COUNT=0x20
-CONFIG_BOOTSTAGE_STASH_ADDR=0x0
-CONFIG_BOOTSTAGE_STASH_SIZE=0x4096
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a7794-alt-u-boot"
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x2000
+CONFIG_FIT=y