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-rw-r--r--board/dvlhost/watchdog.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/board/dvlhost/watchdog.c b/board/dvlhost/watchdog.c
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+++ b/board/dvlhost/watchdog.c
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+/*
+ * (C) Copyright 2009
+ * Michael Schwingen, michael@schwingen.org
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/io.h>
+#include "dvlhost_hw.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_HW_WATCHDOG
+#include <watchdog.h>
+#include <asm/arch/ixp425.h>
+
+void hw_watchdog_reset(void)
+{
+ unsigned int x;
+ x = readl(IXP425_GPIO_GPOUTR);
+ x ^= (1 << (CONFIG_SYS_GPIO_WDGTRIGGER));
+ writel(x, IXP425_GPIO_GPOUTR);
+}
+
+#endif /* CONFIG_HW_WATCHDOG */