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/arch/arm/cpu/armv7/rmobile/Kconfig b/arch/arm/cpu/armv7/rmobile/Kconfig
index 082c767..8444d42 100644
--- a/arch/arm/cpu/armv7/rmobile/Kconfig
+++ b/arch/arm/cpu/armv7/rmobile/Kconfig
@@ -25,7 +25,7 @@
config RMOBILE_EXTRAM_BOOT
bool "Enable boot from RAM"
- depends on TARGET_LAGER || TARGET_KOELSCH
+ depends on TARGET_ALT || TARGET_KOELSCH || TARGET_LAGER
default n
source "board/atmark-techno/armadillo-800eva/Kconfig"
diff --git a/board/renesas/alt/qos.c b/board/renesas/alt/qos.c
index d788aa0..f0b349f 100644
--- a/board/renesas/alt/qos.c
+++ b/board/renesas/alt/qos.c
@@ -13,6 +13,7 @@
#include <asm/io.h>
#include <asm/arch/rmobile.h>
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
/* QoS version 0.11 */
enum {
@@ -942,3 +943,8 @@
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/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)