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arm: rmobile: alt: Add external RAM boot

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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>
This commit is contained in:
Nobuhiro Iwamatsu 2014-10-31 16:16:28 +09:00 committed by Nobuhiro Iwamatsu
parent 69191fedf4
commit c9b59bf795
3 changed files with 15 additions and 1 deletions
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2
arch/arm/cpu/armv7/rmobile/Kconfig
View File

@ -25,7 +25,7 @@ config SYS_SOC
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"

6
board/renesas/alt/qos.c
View File

@ -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 @@ 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 */

8
include/configs/alt.h
View File

@ -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)