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wdtreg.h revision 1.3.8.1 
      1 /* $NetBSD: wdtreg.h,v 1.3.8.1 2002/06/23 17:40:46 jdolecek Exp $ */
      2 
      3 /*-
      4  * Copyright (C) 1999 SAITOH Masanobu.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _SH3_WDTREG_H_
     30 #define	_SH3_WDTREG_H_
     31 
     32 /* WDT registers */
     33 
     34 #if !defined(SH4)
     35 
     36 /* SH3 definitions */
     37 
     38 #define	SHREG_WTCNT_R	(*(volatile unsigned char  *)0xffffff84)
     39 #define	SHREG_WTCNT_W	(*(volatile unsigned short *)0xffffff84)
     40 #define	SHREG_WTCSR_R	(*(volatile unsigned char  *)0xffffff86)
     41 #define	SHREG_WTCSR_W	(*(volatile unsigned short *)0xffffff86)
     42 
     43 #else
     44 
     45 /* SH4 definitions */
     46 
     47 #define	SHREG_WTCNT_R	(*(volatile unsigned char  *)0xffc00008)
     48 #define	SHREG_WTCNT_W	(*(volatile unsigned short *)0xffc00008)
     49 #define	SHREG_WTCSR_R	(*(volatile unsigned char  *)0xffc0000c)
     50 #define	SHREG_WTCSR_W	(*(volatile unsigned short *)0xffc0000c)
     51 
     52 #endif
     53 
     54 #define	WTCNT_W_M	0x5A00
     55 #define	WTCSR_W_M	0xA500
     56 
     57 #define	WTCSR_TME	0x80
     58 #define	WTCSR_WT	0x40
     59 #define	WTCSR_RSTS	0x20
     60 #define	WTCSR_WOVF	0x10
     61 #define	WTCSR_IOVF	0x08
     62 #define	WTCSR_CKS2	0x04
     63 #define	WTCSR_CKS1	0x02
     64 #define	WTCSR_CKS0	0x01
     65 
     66 #define	WTCSR_CKS	0x07
     67 #define	WTCSR_CKS_1	0x00
     68 #define	WTCSR_CKS_4	0x01
     69 #define	WTCSR_CKS_16	0x02
     70 #define	WTCSR_CKS_32	0x03
     71 #define	WTCSR_CKS_64	0x04
     72 #define	WTCSR_CKS_256	0x05
     73 #define	WTCSR_CKS_1024	0x06
     74 #define	WTCSR_CKS_4096	0x07
     75 
     76 #endif	/* !_SH3_WDTREG_H_ */
     77