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arm: rmobile: lager: Add external RAM boot 

If CONFIG_RMOBILE_EXTRAM_BOOT is enabled, U-Boot is booted from External RAM.
The default boot address is 0xB0000000.

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>
This commit is contained in:
Nobuhiro Iwamatsu 2014-10-31 16:16:26 +09:00 committed by Nobuhiro Iwamatsu
parent d8659c6d25
commit fb6f6001ed
3 changed files with 21 additions and 3 deletions
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5
arch/arm/cpu/armv7/rmobile/Kconfig
View File

@ -23,6 +23,11 @@ endchoice
config SYS_SOC
default "rmobile"
config RMOBILE_EXTRAM_BOOT
bool "Enable boot from RAM"
depends on TARGET_LAGER
default n
source "board/atmark-techno/armadillo-800eva/Kconfig"
source "board/renesas/koelsch/Kconfig"
source "board/renesas/lager/Kconfig"

7
board/renesas/lager/qos.c
View File

@ -13,7 +13,7 @@
#include <asm/arch/rmobile.h>
/* QoS version 0.955 for ES1 and version 0.963 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,
@ -2381,3 +2381,8 @@ void qos_init(void)
else
qos_init_es1();
}
#else /* CONFIG_RMOBILE_EXTRAM_BOOT */
void qos_init(void)
{
}
#endif /* CONFIG_RMOBILE_EXTRAM_BOOT */

12
include/configs/lager.h
View File

@ -39,7 +39,11 @@
#define CONFIG_FAT_WRITE
#define CONFIG_EXT4_WRITE
#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
#define CONFIG_SYS_TEXT_BASE 0xB0000000
#else
#define CONFIG_SYS_TEXT_BASE 0xE8080000
#endif
#define CONFIG_SYS_THUMB_BUILD
#define CONFIG_SYS_GENERIC_BOARD
@ -70,8 +74,12 @@
#define CONFIG_TMU_TIMER
/* STACK */
#define CONFIG_SYS_INIT_SP_ADDR 0xE827fffc
#define STACK_AREA_SIZE 0xC000
#if defined(CONFIGF_RMOBILE_EXTRAM_BOOT)
#define CONFIG_SYS_INIT_SP_ADDR 0xB003FFFC
#else
#define CONFIG_SYS_INIT_SP_ADDR 0xE827FFFC
#endif
#define STACK_AREA_SIZE 0xC000
#define LOW_LEVEL_MERAM_STACK \
(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)