Patchwork [U-Boot] arm: rmobile: kzm9g: Modify sdram area

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Submitter Tetsuyuki Kobayashi
Date June 25, 2012, 11:13 a.m.
Message ID <4FE847DC.6050005@kmckk.co.jp>
Download mbox | patch
Permalink /patch/167055/
State Superseded
Headers show

Comments

Tetsuyuki Kobayashi - June 25, 2012, 11:13 a.m.
This patch depends on Nobuhiro Iwamatsu's arm: rmobile: Add supoprt for KMC KZM-A9-GT board

Reserve first 16MB for RT-CPU (as same as kernel config).
Without this patch, kernel can't get ATAGS info from u-boot properly.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
---
 include/configs/kzm_a9_gt.h |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
Nobuhiro Iwamatsu - July 5, 2012, 7 a.m.
Hi,

Thank you for your patch.

2012/6/25 Tetsuyuki Kobayashi <koba@kmckk.co.jp>:
> This patch depends on Nobuhiro Iwamatsu's arm: rmobile: Add supoprt for KMC KZM-A9-GT board
>
> Reserve first 16MB for RT-CPU (as same as kernel config).
> Without this patch, kernel can't get ATAGS info from u-boot properly.
>
> Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
> ---
>  include/configs/kzm_a9_gt.h |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/include/configs/kzm_a9_gt.h b/include/configs/kzm_a9_gt.h
> index 48b7afa..4749ca7 100644
> --- a/include/configs/kzm_a9_gt.h
> +++ b/include/configs/kzm_a9_gt.h
> @@ -93,8 +93,9 @@
>  #define CONFIG_SYS_INIT_SP_ADDR                (CONFIG_SYS_INIT_RAM_ADDR + \
>                                          CONFIG_SYS_INIT_RAM_SIZE - \
>                                          GENERATED_GBL_DATA_SIZE)
> -#define CONFIG_SYS_SDRAM_BASE  KZM_SDRAM_BASE
> -#define CONFIG_SYS_SDRAM_SIZE  PHYS_SDRAM_SIZE
> +#define CONFIG_SDRAM_OFFSET_FOR_RT     (1 * 16 * 1024 * 1024)

I think that "1" is unnecessary.

> +#define CONFIG_SYS_SDRAM_BASE  (KZM_SDRAM_BASE + CONFIG_SDRAM_OFFSET_FOR_RT)
> +#define CONFIG_SYS_SDRAM_SIZE  (PHYS_SDRAM_SIZE - CONFIG_SDRAM_OFFSET_FOR_RT)
>  #define CONFIG_SYS_LOAD_ADDR   (CONFIG_SYS_SDRAM_BASE + 32 * 1024 * 1024)
>
>  #define CONFIG_SYS_MONITOR_BASE        (KZM_FLASH_BASE)

Best regards,
  Nobuhiro

Patch

diff --git a/include/configs/kzm_a9_gt.h b/include/configs/kzm_a9_gt.h
index 48b7afa..4749ca7 100644
--- a/include/configs/kzm_a9_gt.h
+++ b/include/configs/kzm_a9_gt.h
@@ -93,8 +93,9 @@ 
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
 					 CONFIG_SYS_INIT_RAM_SIZE - \
 					 GENERATED_GBL_DATA_SIZE)
-#define CONFIG_SYS_SDRAM_BASE	KZM_SDRAM_BASE
-#define CONFIG_SYS_SDRAM_SIZE	PHYS_SDRAM_SIZE
+#define CONFIG_SDRAM_OFFSET_FOR_RT	(1 * 16 * 1024 * 1024)
+#define CONFIG_SYS_SDRAM_BASE	(KZM_SDRAM_BASE + CONFIG_SDRAM_OFFSET_FOR_RT)
+#define CONFIG_SYS_SDRAM_SIZE	(PHYS_SDRAM_SIZE - CONFIG_SDRAM_OFFSET_FOR_RT)
 #define CONFIG_SYS_LOAD_ADDR	(CONFIG_SYS_SDRAM_BASE + 32 * 1024 * 1024)
 
 #define CONFIG_SYS_MONITOR_BASE	(KZM_FLASH_BASE)