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