From 00aa453ebf56fc3a2bd5b684467bc912ba59c4d6 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Sun, 13 Aug 2017 09:01:13 +0900 Subject: ARM: uniphier: remove sLD3 SoC support This SoC is too old. It is difficult to maintain any longer. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/clk/clk-dram-ld4.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/arm/mach-uniphier/clk/clk-dram-ld4.c (limited to 'arch/arm/mach-uniphier/clk/clk-dram-ld4.c') diff --git a/arch/arm/mach-uniphier/clk/clk-dram-ld4.c b/arch/arm/mach-uniphier/clk/clk-dram-ld4.c new file mode 100644 index 0000000000..407daf0664 --- /dev/null +++ b/arch/arm/mach-uniphier/clk/clk-dram-ld4.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Copyright (C) 2015-2017 Socionext Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +#include "../init.h" +#include "../sc-regs.h" + +void uniphier_ld4_dram_clk_init(void) +{ + u32 tmp; + + /* deassert reset */ + tmp = readl(SC_RSTCTRL); + tmp |= SC_RSTCTRL_NRST_UMC1 | SC_RSTCTRL_NRST_UMC0; + writel(tmp, SC_RSTCTRL); + readl(SC_RSTCTRL); /* dummy read */ + + /* provide clocks */ + tmp = readl(SC_CLKCTRL); + tmp |= SC_CLKCTRL_CEN_UMC; + writel(tmp, SC_CLKCTRL); + readl(SC_CLKCTRL); /* dummy read */ +} -- cgit