2 * drivers/watchdog/at91sam9_wdt.h
4 * Copyright (C) 2007 Andrew Victor
5 * Copyright (C) 2007 Atmel Corporation.
7 * Watchdog Timer (WDT) - System peripherals regsters.
8 * Based on AT91SAM9261 datasheet revision D.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
19 #define AT91_WDT_CR 0x00 /* Watchdog Control Register */
20 #define AT91_WDT_WDRSTT (1 << 0) /* Restart */
21 #define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */
23 #define AT91_WDT_MR 0x04 /* Watchdog Mode Register */
24 #define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
25 #define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
26 #define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
27 #define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */
28 #define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */
29 #define AT91_WDT_WDD (0xfff << 16) /* Delta Value */
30 #define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
31 #define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
33 #define AT91_WDT_SR 0x08 /* Watchdog Status Register */
34 #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
35 #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */
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