arm: rmobile: alt: 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/alt.h b/include/configs/alt.h
index 7238f68..5a19096 100644
--- a/include/configs/alt.h
+++ b/include/configs/alt.h
@@ -34,7 +34,11 @@
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
+#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
@@ -59,7 +63,11 @@
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_TMU_TIMER
+#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)