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/arch/arm/cpu/armv7/rmobile/Kconfig b/arch/arm/cpu/armv7/rmobile/Kconfig
index 75e38ea..082c767 100644 (file)
--- a/arch/arm/cpu/armv7/rmobile/Kconfig
+++ b/arch/arm/cpu/armv7/rmobile/Kconfig
@@ -25,7 +25,7 @@ config SYS_SOC
 
 config RMOBILE_EXTRAM_BOOT
        bool "Enable boot from RAM"
-       depends on TARGET_LAGER
+       depends on TARGET_LAGER || TARGET_KOELSCH
        default n
 
 source "board/atmark-techno/armadillo-800eva/Kconfig"

diff --git a/board/renesas/koelsch/qos.c b/board/renesas/koelsch/qos.c
index ecf3eed..d293e3d 100644 (file)
--- a/board/renesas/koelsch/qos.c
+++ b/board/renesas/koelsch/qos.c
@@ -14,7 +14,7 @@
 #include <asm/arch/rmobile.h>
 
 /* QoS version 0.240 for ES1 and version 0.334 for ES2 */
-
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
 enum {
        DBSC3_00, DBSC3_01, DBSC3_02, DBSC3_03, DBSC3_04,
        DBSC3_05, DBSC3_06, DBSC3_07, DBSC3_08, DBSC3_09,
@@ -1304,3 +1304,8 @@ void qos_init(void)
        writel(0x00000001, &axi_qos->qosthres2);
        writel(0x00000001, &axi_qos->qosqon);
 }
+#else /* CONFIG_RMOBILE_EXTRAM_BOOT */
+void qos_init(void)
+{
+}
+#endif /* CONFIG_RMOBILE_EXTRAM_BOOT */

diff --git a/include/configs/koelsch.h b/include/configs/koelsch.h
index e015e90..3ccadd0 100644 (file)
--- 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)