arm: rmobile: koelsch: Add external RAM boot
If CONFIG_RMOBILE_EXTRAM_BOOT is enabled, U-Boot is booted from External RAM.
The default boot address is 0x70000000.
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/koelsch.h b/include/configs/koelsch.h
index e015e90..3ccadd0 100644
--- a/include/configs/koelsch.h
+++ b/include/configs/koelsch.h
@@ -38,7 +38,12 @@
#define CONFIG_FAT_WRITE
#define CONFIG_EXT4_WRITE
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
+#define CONFIG_SYS_TEXT_BASE 0x70000000
+#else
#define CONFIG_SYS_TEXT_BASE 0xE6304000
+#endif
+
#define CONFIG_SYS_THUMB_BUILD
#define CONFIG_SYS_GENERIC_BOARD
@@ -69,8 +74,13 @@
#define CONFIG_TMU_TIMER
/* STACK */
-#define CONFIG_SYS_INIT_SP_ADDR 0xE633fffc
-#define STACK_AREA_SIZE 0xC000
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
+#define CONFIG_SYS_INIT_SP_ADDR 0x7003FFFC
+#else
+#define CONFIG_SYS_INIT_SP_ADDR 0xE633fffC
+#endif
+
+#define STACK_AREA_SIZE 0xC000
#define LOW_LEVEL_MERAM_STACK \
(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)