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-rw-r--r--arch/arm/mach-pxa/common.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/common.c b/arch/arm/mach-pxa/common.c
new file mode 100644
index 0000000000..82e81b75d9
--- /dev/null
+++ b/arch/arm/mach-pxa/common.c
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#define OSMR3 0x40A0000C
+#define OSCR 0x40A00010
+#define OSSR 0x40A00014
+#define OWER 0x40A00018
+
+#define OWER_WME (1 << 0) /* Watch-dog Match Enable */
+#define OSSR_M3 (1 << 3) /* Match status channel 3 */
+
+void reset_cpu(ulong addr)
+{
+ /* Initialize the watchdog and let it fire */
+ writel(OWER_WME, OWER);
+ writel(OSSR_M3, OSSR);
+ writel(readl(OSCR) + 368640, OSMR3); /* ... in 100 ms */
+
+ while (1);
+}