/* $NetBSD: wdtreg.h,v 1.6 2005/12/11 12:18:59 christos Exp $ */ /*- * Copyright (C) 1999 SAITOH Masanobu. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SH3_WDTREG_H_ #define _SH3_WDTREG_H_ /* WDT registers */ #if !defined(SH4) /* SH3 definitions */ #define SHREG_WTCNT 0xffffff84 #define SHREG_WTCSR 0xffffff86 #else /* SH4 definitions */ #define SHREG_WTCNT 0xffc00008 #define SHREG_WTCSR 0xffc0000c #endif /* read as bytes, write as shorts with a magic number in the upper byte */ #define SHREG_WTCNT_R (*(volatile unsigned char *)SHREG_WTCNT) #define SHREG_WTCNT_W (*(volatile unsigned short *)SHREG_WTCNT) #define SHREG_WTCSR_R (*(volatile unsigned char *)SHREG_WTCSR) #define SHREG_WTCSR_W (*(volatile unsigned short *)SHREG_WTCSR) /* magic upper bytes for write access */ #define WTCNT_W_M 0x5A00 #define WTCSR_W_M 0xA500 #define WTCSR_TME 0x80 #define WTCSR_WT 0x40 #define WTCSR_RSTS 0x20 #define WTCSR_WOVF 0x10 #define WTCSR_IOVF 0x08 #define WTCSR_CKS2 0x04 #define WTCSR_CKS1 0x02 #define WTCSR_CKS0 0x01 #define WTCSR_CKS 0x07 #define WTCSR_CKS_1 0x00 #define WTCSR_CKS_4 0x01 #define WTCSR_CKS_16 0x02 #define WTCSR_CKS_32 0x03 #define WTCSR_CKS_64 0x04 #define WTCSR_CKS_256 0x05 #define WTCSR_CKS_1024 0x06 #define WTCSR_CKS_4096 0x07 #endif /* !_SH3_WDTREG_H_ */
