ARM: UniPhier: add UniPhier SoC support code

These are used by Panasonic UniPhier SoC family.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv7/uniphier/reset.c b/arch/arm/cpu/armv7/uniphier/reset.c
new file mode 100644
index 0000000000..b0dc9673b4
--- /dev/null
+++ b/arch/arm/cpu/armv7/uniphier/reset.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012-2014 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>
+#include <asm/arch/board.h>
+
+void reset_cpu(unsigned long ignored)
+{
+	u32 tmp;
+
+	uniphier_board_reset();
+
+	writel(5, SC_IRQTIMSET); /* default value */
+
+	tmp  = readl(SC_SLFRSTSEL);
+	tmp &= ~0x3; /* mask [1:0] */
+	tmp |= 0x0;  /* XRST reboot */
+	writel(tmp, SC_SLFRSTSEL);
+
+	tmp = readl(SC_SLFRSTCTL);
+	tmp |= 0x1;
+	writel(tmp, SC_SLFRSTCTL);
+}