diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-04-28 15:37:14 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-05-01 01:09:17 +0900 |
| commit | 1dce5eb9de72eff89a42546186d511f24835816d (patch) | |
| tree | 2881072c6c67cf37e3552266713e38aff268e375 | |
| parent | 68340966e6766f1add5ab5137693abf02c9f9ab6 (diff) | |
ARM: uniphier: enable Peripherl clock to use UART in SPL
This is needed to use UART on SPL.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| -rw-r--r-- | arch/arm/mach-uniphier/early-clk/early-clk-ld20.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |