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Diffstat (limited to 'arch/arm/mach-uniphier/reset.c')
-rw-r--r--arch/arm/mach-uniphier/reset.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/reset.c b/arch/arm/mach-uniphier/reset.c
new file mode 100644
index 0000000..005fbcf
--- /dev/null
+++ b/arch/arm/mach-uniphier/reset.c
@@ -0,0 +1,26 @@
+/*
+ * 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 <mach/sc-regs.h>
+
+void reset_cpu(unsigned long ignored)
+{
+ u32 tmp;
+
+ 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);
+}