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ARM: uniphier: skip MEMCONF ch2 parsing if CH2_DISABLE bit is set 

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>
This commit is contained in:
Masahiro Yamada 2017-02-20 12:10:05 +09:00
parent 14bb7a4e37
commit bed1624d0d
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-uniphier/dram_init.c
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@ -159,7 +159,7 @@ static int uniphier_memconf_decode(struct uniphier_dram_ch *dram_ch)
dram_ch[1].size = size;
if (!data->have_ch2)
if (!data->have_ch2 || val & SG_MEMCONF_CH2_DISABLE)
return 0;
/* set up ch2 */