at91sam9_wdt.h

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/*
 * drivers/watchdog/at91sam9_wdt.h
 *
 * Copyright (C) 2007 Andrew Victor
 * Copyright (C) 2007 Atmel Corporation.
 *
 * Watchdog Timer (WDT) - System peripherals regsters.
 * Based on AT91SAM9261 datasheet revision D.
 *
 * 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.
 */

#ifndef AT91_WDT_H
#define AT91_WDT_H

#define AT91_WDT_CR     0x00            /* Watchdog Control Register */
#define     AT91_WDT_WDRSTT     (1    << 0)     /* Restart */
#define     AT91_WDT_KEY        (0xa5 << 24)        /* KEY Password */

#define AT91_WDT_MR     0x04            /* Watchdog Mode Register */
#define     AT91_WDT_WDV        (0xfff << 0)        /* Counter Value */
#define     AT91_WDT_WDFIEN     (1     << 12)       /* Fault Interrupt Enable */
#define     AT91_WDT_WDRSTEN    (1     << 13)       /* Reset Processor */
#define     AT91_WDT_WDRPROC    (1     << 14)       /* Timer Restart */
#define     AT91_WDT_WDDIS      (1     << 15)       /* Watchdog Disable */
#define     AT91_WDT_WDD        (0xfff << 16)       /* Delta Value */
#define     AT91_WDT_WDDBGHLT   (1     << 28)       /* Debug Halt */
#define     AT91_WDT_WDIDLEHLT  (1     << 29)       /* Idle Halt */

#define AT91_WDT_SR     0x08            /* Watchdog Status Register */
#define     AT91_WDT_WDUNF      (1 << 0)        /* Watchdog Underflow */
#define     AT91_WDT_WDERR      (1 << 1)        /* Watchdog Error */

#endif