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
42