include/asm-arm/arch-at91/at91_wdt.h

   1 /*
   2  * include/asm-arm/arch-at91/at91_wdt.h
   3  *
   4  * Watchdog Timer (WDT) - System peripherals regsters.
   5  * Based on AT91SAM9261 datasheet revision D.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #ifndef AT91_WDT_H
  14 #define AT91_WDT_H
  15
  16 #define AT91_WDT_CR             (AT91_WDT + 0x00)       /* Watchdog Control Register */
  17 #define         AT91_WDT_WDRSTT         (1    << 0)             /* Restart */
  18 #define         AT91_WDT_KEY            (0xa5 << 24)            /* KEY Password */
  19
  20 #define AT91_WDT_MR             (AT91_WDT + 0x04)       /* Watchdog Mode Register */
  21 #define         AT91_WDT_WDV            (0xfff << 0)            /* Counter Value */
  22 #define         AT91_WDT_WDFIEN         (1     << 12)           /* Fault Interrupt Enable */
  23 #define         AT91_WDT_WDRSTEN        (1     << 13)           /* Reset Processor */
  24 #define         AT91_WDT_WDRPROC        (1     << 14)           /* Timer Restart */
  25 #define         AT91_WDT_WDDIS          (1     << 15)           /* Watchdog Disable */
  26 #define         AT91_WDT_WDD            (0xfff << 16)           /* Delta Value */
  27 #define         AT91_WDT_WDDBGHLT       (1     << 28)           /* Debug Halt */
  28 #define         AT91_WDT_WDIDLEHLT      (1     << 29)           /* Idle Halt */
  29
  30 #define AT91_WDT_SR             (AT91_WDT + 0x08)       /* Watchdog Status Register */
  31 #define         AT91_WDT_WDUNF          (1 << 0)                /* Watchdog Underflow */
  32 #define         AT91_WDT_WDERR          (1 << 1)                /* Watchdog Error */
  33
  34 #endif