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Diffstat (limited to 'drivers/watchdog/mxc_wdt.h')
-rw-r--r--drivers/watchdog/mxc_wdt.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/watchdog/mxc_wdt.h b/drivers/watchdog/mxc_wdt.h
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+++ b/drivers/watchdog/mxc_wdt.h
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+/*
+ * linux/drivers/char/watchdog/mxc_wdt.h
+ *
+ * BRIEF MODULE DESCRIPTION
+ * MXC Watchdog timer register definitions
+ *
+ * Author: MontaVista Software, Inc.
+ * <AKuster@mvista.com> or <source@mvista.com>
+ *
+ * 2005 (c) MontaVista Software, Inc.
+ * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef __MXC_WDT_H__
+#define __MXC_WDT_H__
+
+#define MXC_WDT_WCR 0x00
+#define MXC_WDT_WSR 0x02
+#define MXC_WDT_WRSR 0x04
+#define WCR_WOE_BIT (1 << 6)
+#define WCR_WDA_BIT (1 << 5)
+#define WCR_SRS_BIT (1 << 4)
+#define WCR_WRE_BIT (1 << 3)
+#define WCR_WDE_BIT (1 << 2)
+#define WCR_WDBG_BIT (1 << 1)
+#define WCR_WDZST_BIT (1 << 0)
+#define WDT_MAGIC_1 0x5555
+#define WDT_MAGIC_2 0xAAAA
+
+#define TIMER_MARGIN_MAX 127
+#define TIMER_MARGIN_DEFAULT 60 /* 60 secs */
+#define TIMER_MARGIN_MIN 1
+
+#endif /* __MXC_WDT_H__ */