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at91_wdt.h

/*
 * arch/arm/mach-at91/include/mach/at91_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           (AT91_WDT + 0x00) /* Watchdog Control Register */
#define           AT91_WDT_WDRSTT         (1    << 0)       /* Restart */
#define           AT91_WDT_KEY            (0xa5 << 24)            /* KEY Password */

#define AT91_WDT_MR           (AT91_WDT + 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           (AT91_WDT + 0x08) /* Watchdog Status Register */
#define           AT91_WDT_WDUNF          (1 << 0)          /* Watchdog Underflow */
#define           AT91_WDT_WDERR          (1 << 1)          /* Watchdog Error */

#endif

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