diff options
Diffstat (limited to 'drivers/watchdog/mxc_wdt.h')
| -rw-r--r-- | drivers/watchdog/mxc_wdt.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/watchdog/mxc_wdt.h b/drivers/watchdog/mxc_wdt.h new file mode 100644 index 000000000000..061731b46b61 --- /dev/null +++ b/drivers/watchdog/mxc_wdt.h @@ -0,0 +1,37 @@ +/* + * 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 2007-2010 Freescale Semiconductor, Inc. + * 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__ */ |