From 1dce5eb9de72eff89a42546186d511f24835816d Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 28 Apr 2016 15:37:14 +0900 Subject: [PATCH] ARM: uniphier: enable Peripherl clock to use UART in SPL This is needed to use UART on SPL. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/early-clk/early-clk-ld20.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c b/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c index 37adb37a1f..5201a55940 100644 --- a/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c +++ b/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c @@ -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; -- 2.39.5