arch/sh/include/cpu-sh4/cpu/watchdog.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * include/asm-sh/cpu-sh4/watchdog.h
   4  *
   5  * Copyright (C) 2002, 2003 Paul Mundt
   6  * Copyright (C) 2009 Siemens AG
   7  * Copyright (C) 2009 Sitdikov Valentin
   8  */
   9 #ifndef __ASM_CPU_SH4_WATCHDOG_H
  10 #define __ASM_CPU_SH4_WATCHDOG_H
  11
  12 #if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780)
  13 /* Prefix definition */
  14 #define WTBST_HIGH      0x55
  15 /* Register definitions */
  16 #define WTCNT_R         0xffcc0010 /*WDTCNT*/
  17 #define WTCSR           0xffcc0004 /*WDTCSR*/
  18 #define WTCNT           0xffcc0000 /*WDTST*/
  19 #define WTST            WTCNT
  20 #define WTBST           0xffcc0008 /*WDTBST*/
  21 /* Register definitions */
  22 #elif   defined(CONFIG_CPU_SUBTYPE_SH7722) || \
  23         defined(CONFIG_CPU_SUBTYPE_SH7723) || \
  24         defined(CONFIG_CPU_SUBTYPE_SH7724)
  25 #define WTCNT           0xa4520000
  26 #define WTCSR           0xa4520004
  27 #else
  28 /* Register definitions */
  29 #define WTCNT           0xffc00008
  30 #define WTCSR           0xffc0000c
  31 #endif
  32
  33 /* Bit definitions */
  34 #define WTCSR_TME       0x80
  35 #define WTCSR_WT        0x40
  36 #define WTCSR_RSTS      0x20
  37 #define WTCSR_WOVF      0x10
  38 #define WTCSR_IOVF      0x08
  39
  40 #endif /* __ASM_CPU_SH4_WATCHDOG_H */
  41