diff --git a/configs/porter_defconfig b/configs/porter_defconfig
index 38501d0..0fa308b 100644
--- a/configs/porter_defconfig
+++ b/configs/porter_defconfig
@@ -1,12 +1,22 @@
 CONFIG_ARM=y
 CONFIG_ARCH_RMOBILE=y
-CONFIG_SYS_TEXT_BASE=0xE6304000
+CONFIG_SYS_TEXT_BASE=0x50000000
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x8000
 CONFIG_R8A7791=y
 CONFIG_TARGET_PORTER=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7791-porter-u-boot"
 CONFIG_BOOTDELAY=3
 CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL=y
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_XIMG is not set
@@ -26,8 +36,14 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_EMBED=y
+CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-parent dma-names dmas power-domains"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_CLK=y
+CONFIG_SPL_CLK=y
 CONFIG_CLK_RENESAS=y
 CONFIG_DM_GPIO=y
 CONFIG_RCAR_GPIO=y
@@ -44,6 +60,7 @@
 CONFIG_PCI_RCAR_GEN2=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
@@ -55,3 +72,4 @@
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_PCI=y
 CONFIG_USB_STORAGE=y
+CONFIG_SPL_FRAMEWORK=y