linux-imx

/* SPDX-License-Identifier: GPL-2.0+ */

/*

 * 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.

 *

 */

​

#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_SET_WDV(x) ((x) & AT91_WDT_WDV)

#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_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD)

#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