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ARM: uniphier: fix delay fixup code in LD11 UMC init

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The ddrphy_shift_rof_hws() never writes back the shifted delay value
to the register, which makes this function non-effective.

Signed-off-by: Kotaro Hayashi <hayashi.kotaro@socionext.com>
[masahiro: add git log]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Kotaro Hayashi
2016-12-19 11:14:04 +09:00
committed by Masahiro Yamada
parent e95455ac1b
commit 7d75254b3d
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-uniphier/dram/umc-ld11.c
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@@ -271,6 +271,7 @@ static void ddrphy_shift_rof_hws(void __iomem *phy_base, const int pos_shift[][2
rdqnsd = clamp(rdqnsd + ddrphy_hpstep(neg_shift[block][byte], dx, phy_base),
0U, 0xffU);
lcdlr1 = (lcdlr1 & ~(0xffff << 8)) | (rdqsd << 8) | (rdqnsd << 16);
writel(lcdlr1, phy_base + PHY_DXLCDLR1(dx));
readl(phy_base + PHY_DXLCDLR1(dx)); /* relax */
}
}