1/*
2 * drivers/watchdog/at91sam9_wdt.h
3 *
4 * Copyright (C) 2007 Andrew Victor
5 * Copyright (C) 2007 Atmel Corporation.
6 *
7 * Watchdog Timer (WDT) - System peripherals regsters.
8 * Based on AT91SAM9261 datasheet revision D.
9 *
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.
14 */
15
16#ifndef AT91_WDT_H
17#define AT91_WDT_H
18
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 */
22
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 */
32
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 */
36
37#endif
38