2 * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
4 * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 * Copyright (C) 2007 Andrew Victor
6 * Copyright (C) 2007 Atmel Corporation.
8 * Watchdog Timer (WDT) - System peripherals regsters.
9 * Based on AT91SAM9261 datasheet revision D.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
20 #define AT91_WDT_CR (AT91_WDT + 0x00) /* Watchdog Control Register */
21 #define AT91_WDT_WDRSTT (1 << 0) /* Restart */
22 #define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */
24 #define AT91_WDT_MR (AT91_WDT + 0x04) /* Watchdog Mode Register */
25 #define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
26 #define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
27 #define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
28 #define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */
29 #define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */
30 #define AT91_WDT_WDD (0xfff << 16) /* Delta Value */
31 #define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
32 #define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
34 #define AT91_WDT_SR (AT91_WDT + 0x08) /* Watchdog Status Register */
35 #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
36 #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */