1*95e1ffb1Schristos /* $NetBSD: wdtreg.h,v 1.6 2005/12/11 12:18:59 christos Exp $ */ 265363da2Sitojun 365363da2Sitojun /*- 465363da2Sitojun * Copyright (C) 1999 SAITOH Masanobu. All rights reserved. 565363da2Sitojun * 665363da2Sitojun * Redistribution and use in source and binary forms, with or without 765363da2Sitojun * modification, are permitted provided that the following conditions 865363da2Sitojun * are met: 965363da2Sitojun * 1. Redistributions of source code must retain the above copyright 1065363da2Sitojun * notice, this list of conditions and the following disclaimer. 1165363da2Sitojun * 2. Redistributions in binary form must reproduce the above copyright 1265363da2Sitojun * notice, this list of conditions and the following disclaimer in the 1365363da2Sitojun * documentation and/or other materials provided with the distribution. 1465363da2Sitojun * 3. The name of the author may not be used to endorse or promote products 1565363da2Sitojun * derived from this software without specific prior written permission. 1665363da2Sitojun * 1765363da2Sitojun * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1865363da2Sitojun * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1965363da2Sitojun * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2065363da2Sitojun * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2165363da2Sitojun * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2265363da2Sitojun * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2365363da2Sitojun * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2465363da2Sitojun * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2565363da2Sitojun * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2665363da2Sitojun * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2765363da2Sitojun */ 2865363da2Sitojun 2965363da2Sitojun #ifndef _SH3_WDTREG_H_ 3065363da2Sitojun #define _SH3_WDTREG_H_ 3165363da2Sitojun 3265363da2Sitojun /* WDT registers */ 3365363da2Sitojun 3465363da2Sitojun #if !defined(SH4) 3565363da2Sitojun 3665363da2Sitojun /* SH3 definitions */ 3770d5ff6aSuwe #define SHREG_WTCNT 0xffffff84 3870d5ff6aSuwe #define SHREG_WTCSR 0xffffff86 3965363da2Sitojun 4065363da2Sitojun #else 4165363da2Sitojun 4265363da2Sitojun /* SH4 definitions */ 4370d5ff6aSuwe #define SHREG_WTCNT 0xffc00008 4470d5ff6aSuwe #define SHREG_WTCSR 0xffc0000c 4565363da2Sitojun 4665363da2Sitojun #endif 4765363da2Sitojun 4870d5ff6aSuwe /* read as bytes, write as shorts with a magic number in the upper byte */ 4970d5ff6aSuwe #define SHREG_WTCNT_R (*(volatile unsigned char *)SHREG_WTCNT) 5070d5ff6aSuwe #define SHREG_WTCNT_W (*(volatile unsigned short *)SHREG_WTCNT) 5170d5ff6aSuwe #define SHREG_WTCSR_R (*(volatile unsigned char *)SHREG_WTCSR) 5270d5ff6aSuwe #define SHREG_WTCSR_W (*(volatile unsigned short *)SHREG_WTCSR) 5370d5ff6aSuwe 5470d5ff6aSuwe /* magic upper bytes for write access */ 5565363da2Sitojun #define WTCNT_W_M 0x5A00 5665363da2Sitojun #define WTCSR_W_M 0xA500 5765363da2Sitojun 5865363da2Sitojun #define WTCSR_TME 0x80 5965363da2Sitojun #define WTCSR_WT 0x40 6065363da2Sitojun #define WTCSR_RSTS 0x20 6165363da2Sitojun #define WTCSR_WOVF 0x10 6265363da2Sitojun #define WTCSR_IOVF 0x08 6365363da2Sitojun #define WTCSR_CKS2 0x04 6465363da2Sitojun #define WTCSR_CKS1 0x02 6565363da2Sitojun #define WTCSR_CKS0 0x01 6665363da2Sitojun 6765363da2Sitojun #define WTCSR_CKS 0x07 688cf5a56cSmsaitoh #define WTCSR_CKS_1 0x00 698cf5a56cSmsaitoh #define WTCSR_CKS_4 0x01 708cf5a56cSmsaitoh #define WTCSR_CKS_16 0x02 718cf5a56cSmsaitoh #define WTCSR_CKS_32 0x03 728cf5a56cSmsaitoh #define WTCSR_CKS_64 0x04 738cf5a56cSmsaitoh #define WTCSR_CKS_256 0x05 748cf5a56cSmsaitoh #define WTCSR_CKS_1024 0x06 758cf5a56cSmsaitoh #define WTCSR_CKS_4096 0x07 7665363da2Sitojun 7765363da2Sitojun #endif /* !_SH3_WDTREG_H_ */ 78