diff --git a/include/configs/porter.h b/include/configs/porter.h
index b4a317f..758ed21 100644
--- a/include/configs/porter.h
+++ b/include/configs/porter.h
@@ -16,12 +16,8 @@
 
 #include "rcar-gen2-common.h"
 
-#if defined(CONFIG_ARCH_RMOBILE_EXTRAM_BOOT)
-#define CONFIG_SYS_INIT_SP_ADDR		0x7023FFFC
-#else
-#define CONFIG_SYS_INIT_SP_ADDR		0xE633fffC
-#endif
-#define STACK_AREA_SIZE			0xC000
+#define CONFIG_SYS_INIT_SP_ADDR		0x4f000000
+#define STACK_AREA_SIZE			0x00100000
 #define LOW_LEVEL_MERAM_STACK \
 		(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)
 
@@ -67,4 +63,11 @@
 
 #define CONFIG_SYS_I2C_POWERIC_ADDR	0x58 /* da9063 */
 
+/* SPL support */
+#define CONFIG_SPL_TEXT_BASE		0xe6304000
+#define CONFIG_SPL_STACK		0xe6340000
+#define CONFIG_SPL_MAX_SIZE		0x40000
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x140000
+
 #endif /* __PORTER_H */