* [U-Boot] [PATCH] ARM: uniphier: skip MEMCONF ch2 parsing if CH2_DISABLE bit is set
@ 2017-02-20 3:10 Masahiro Yamada
2017-02-22 23:34 ` Masahiro Yamada
0 siblings, 1 reply; 2+ messages in thread
From: Masahiro Yamada @ 2017-02-20 3:10 UTC (permalink / raw)
To: u-boot
If SG_MEMCONF_CH2_DISABLE bit is set, the DRAM channel 2 is unused.
The register settings for the ch2 should be ignored.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
arch/arm/mach-uniphier/dram_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c
index 1cd354e..d98187d 100644
--- a/arch/arm/mach-uniphier/dram_init.c
+++ b/arch/arm/mach-uniphier/dram_init.c
@@ -166,7 +166,7 @@ static int uniphier_memconf_decode(struct uniphier_dram_map *dram_map)
dram_map[1].size = size;
- if (!data->have_ch2)
+ if (!data->have_ch2 || val & SG_MEMCONF_CH2_DISABLE)
return 0;
/* set up ch2 */
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot] [PATCH] ARM: uniphier: skip MEMCONF ch2 parsing if CH2_DISABLE bit is set
2017-02-20 3:10 [U-Boot] [PATCH] ARM: uniphier: skip MEMCONF ch2 parsing if CH2_DISABLE bit is set Masahiro Yamada
@ 2017-02-22 23:34 ` Masahiro Yamada
0 siblings, 0 replies; 2+ messages in thread
From: Masahiro Yamada @ 2017-02-22 23:34 UTC (permalink / raw)
To: u-boot
2017-02-20 12:10 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> If SG_MEMCONF_CH2_DISABLE bit is set, the DRAM channel 2 is unused.
> The register settings for the ch2 should be ignored.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Applied to u-boot-uniphier.
--
Best Regards
Masahiro Yamada
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-02-20 3:10 [U-Boot] [PATCH] ARM: uniphier: skip MEMCONF ch2 parsing if CH2_DISABLE bit is set Masahiro Yamada
2017-02-22 23:34 ` Masahiro Yamada
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