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ARM: uniphier: enable Peripherl clock to use UART in SPL

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This is needed to use UART on SPL.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-04-28 15:37:14 +09:00
parent 68340966e6
commit 1dce5eb9de
1 changed files with 4 additions and 0 deletions
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4
arch/arm/mach-uniphier/early-clk/early-clk-ld20.c
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@ -21,6 +21,10 @@ int uniphier_ld20_early_clk_init(const struct uniphier_board_data *bd)
writel(tmp, SC_RSTCTRL7);
/* provide clocks */
tmp = readl(SC_CLKCTRL4);
tmp |= SC_CLKCTRL4_PERI;
writel(tmp, SC_CLKCTRL4);
tmp = readl(SC_CLKCTRL7);
tmp |= SC_CLKCTRL7_UMCSB | SC_CLKCTRL7_UMC32 | SC_CLKCTRL7_UMC31 |
SC_CLKCTRL7_UMC30;