Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
watchdog.h
Go to the documentation of this file.
1 /*
2  * include/asm-sh/cpu-sh4/watchdog.h
3  *
4  * Copyright (C) 2002, 2003 Paul Mundt
5  * Copyright (C) 2009 Siemens AG
6  * Copyright (C) 2009 Sitdikov Valentin
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License. See the file "COPYING" in the main directory of this archive
10  * for more details.
11  */
12 #ifndef __ASM_CPU_SH4_WATCHDOG_H
13 #define __ASM_CPU_SH4_WATCHDOG_H
14 
15 #if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780)
16 /* Prefix definition */
17 #define WTBST_HIGH 0x55
18 /* Register definitions */
19 #define WTCNT_R 0xffcc0010 /*WDTCNT*/
20 #define WTCSR 0xffcc0004 /*WDTCSR*/
21 #define WTCNT 0xffcc0000 /*WDTST*/
22 #define WTST WTCNT
23 #define WTBST 0xffcc0008 /*WDTBST*/
24 /* Register definitions */
25 #elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \
26  defined(CONFIG_CPU_SUBTYPE_SH7723) || \
27  defined(CONFIG_CPU_SUBTYPE_SH7724)
28 #define WTCNT 0xa4520000
29 #define WTCSR 0xa4520004
30 #else
31 /* Register definitions */
32 #define WTCNT 0xffc00008
33 #define WTCSR 0xffc0000c
34 #endif
35 
36 /* Bit definitions */
37 #define WTCSR_TME 0x80
38 #define WTCSR_WT 0x40
39 #define WTCSR_RSTS 0x20
40 #define WTCSR_WOVF 0x10
41 #define WTCSR_IOVF 0x08
42 
43 #endif /* __ASM_CPU_SH4_WATCHDOG_H */
44