NetBSD/sys/arch/sh5/dev/tmureg.h

91 lines
3.8 KiB
C

/* $NetBSD: tmureg.h,v 1.1 2002/07/05 13:31:55 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 _SH5_TMUREG_H
#define _SH5_TMUREG_H
#define TMU_REG_TOCR 0x00 /* Timer output control register */
#define TMU_REG_TSTR 0x04 /* Timer start register */
#define TMU_REG_TCOR(t) (0x08+((t)*0x0c)) /* Timer constant registers */
#define TMU_REG_TCNT(t) (0x0c+((t)*0x0c)) /* Timer counter registers */
#define TMU_REG_TCR(t) (0x10+((t)*0x0c)) /* Timer control registers */
#define TMU_REG_TCPR2 0x2c /* Input capture register */
#define TMU_REG_SIZE 0x30
#define TMU_NTIMERS 3
/*
* Bit definitions for TMU_REG_TOCR
*/
#define TMU_TOCR_TCOE 0x01 /* Timer output control */
/*
* Bit definitions for TMU_REG_TSTR
*/
#define TMU_TSTR(t) (1<<(t)) /* Counter `t' start */
/*
* Bit definitions for TMU_REG_TCR
* (For all timers)
*/
#define TMU_TCR_TPSC_MASK 0x0007 /* Timer prescaler mask */
#define TMU_TCR_TPSC_PDIV4 0 /* Peripheral clock / 4 */
#define TMU_TCR_TPSC_PDIV16 1 /* Peripheral clock / 16 */
#define TMU_TCR_TPSC_PDIV64 2 /* Peripheral clock / 64 */
#define TMU_TCR_TPSC_PDIV256 3 /* Peripheral clock / 256 */
#define TMU_TCR_TPSC_PDIV1024 4 /* Peripheral clock / 1024 */
#define TMU_TCR_TPSC_RTC_OUT 6 /* On-chip RTC output clock */
#define TMU_TCR_TPSC_EXT 7 /* External clock source */
#define TMU_TCR_CKEG_MASK 0x0018 /* External clock edge select */
#define TMU_TCR_CKEG_RISING 0x0000 /* Clock tick on rising edge */
#define TMU_TCR_CKEG_FALLING 0x0008 /* Clock tick on falling edge */
#define TMU_TCR_CKEG_BOTH 0x0010 /* Clock tick on both edges */
#define TMU_TCR_UNIE 0x0020 /* Underflow interrupt enable */
#define TMU_TCR_UNF 0x0100 /* Underflow occurred */
/*
* Additional bit definitions for TMU_REG_TCR
* (For timer 2)
*/
#define TMU_TCR_ICPE_MASK 0x00c0 /* Input capture control */
#define TMU_TCR_ICPE_OFF 0x0000 /* Input capture disabled */
#define TMU_TCR_ICPE_ENOINT 0x0080 /* Input capture enabled, no irq */
#define TMU_TCR_ICPE_EINT 0x00c0 /* Input capture enabled, irq enabled */
#define TMU_TCR_ICPF 0x0100 /* Input capture occurred */
#endif /* _SH5_TMUREG_H */