1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
new file mode 100644
index 0000000000..18965a94c5
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2011-2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sc-regs.h>
+
+void clkrst_init(void)
+{
+	u32 tmp;
+
+	/* deassert reset */
+	tmp = readl(SC_RSTCTRL);
+	tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
+		| SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
+	writel(tmp, SC_RSTCTRL);
+	readl(SC_RSTCTRL); /* dummy read */
+
+	/* privide clocks */
+	tmp = readl(SC_CLKCTRL);
+	tmp |= SC_CLKCTRL_CLK_ETHER | SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_UMC
+	     | SC_CLKCTRL_CLK_NAND | SC_CLKCTRL_CLK_SBC | SC_CLKCTRL_CLK_PERI;
+	writel(tmp, SC_CLKCTRL);
+	readl(SC_CLKCTRL); /* dummy read */
+}