arch/blackfin/include/asm/bfin_watchdog.h

   1 /*
   2  * bfin_watchdog.h - Blackfin watchdog definitions
   3  *
   4  * Copyright 2006-2010 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef _BFIN_WATCHDOG_H
  10 #define _BFIN_WATCHDOG_H
  11
  12 /* Bit in SWRST that indicates boot caused by watchdog */
  13 #define SWRST_RESET_WDOG 0x4000
  14
  15 /* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
  16 #define WDOG_EXPIRED 0x8000
  17
  18 /* Masks for WDEV field in WDOG_CTL register */
  19 #define ICTL_RESET   0x0
  20 #define ICTL_NMI     0x2
  21 #define ICTL_GPI     0x4
  22 #define ICTL_NONE    0x6
  23 #define ICTL_MASK    0x6
  24
  25 /* Masks for WDEN field in WDOG_CTL register */
  26 #define WDEN_MASK    0x0FF0
  27 #define WDEN_ENABLE  0x0000
  28 #define WDEN_DISABLE 0x0AD0
  29
  30 #endif