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/* $OpenBSD: devreg.h,v 1.3 2008/06/26 05:42:12 ray Exp $ */
/* $NetBSD: devreg.h,v 1.5 2006/01/21 04:57:07 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 _SH_DEVREG_H_
#define _SH_DEVREG_H_
/*
* SH embedded device register defines.
*/
/*
* Access method
*/
#define _reg_read_1(a) (*(volatile uint8_t *)((vaddr_t)(a)))
#define _reg_read_2(a) (*(volatile uint16_t *)((vaddr_t)(a)))
#define _reg_read_4(a) (*(volatile uint32_t *)((vaddr_t)(a)))
#define _reg_write_1(a, v) \
(*(volatile uint8_t *)(a) = (uint8_t)(v))
#define _reg_write_2(a, v) \
(*(volatile uint16_t *)(a) = (uint16_t)(v))
#define _reg_write_4(a, v) \
(*(volatile uint32_t *)(a) = (uint32_t)(v))
#define _reg_bset_1(a, v) \
(*(volatile uint8_t *)(a) |= (uint8_t)(v))
#define _reg_bset_2(a, v) \
(*(volatile uint16_t *)(a) |= (uint16_t)(v))
#define _reg_bset_4(a, v) \
(*(volatile uint32_t *)(a) |= (uint32_t)(v))
#define _reg_bclr_1(a, v) \
(*(volatile uint8_t *)(a) &= ~(uint8_t)(v))
#define _reg_bclr_2(a, v) \
(*(volatile uint16_t *)(a) &= ~(uint16_t)(v))
#define _reg_bclr_4(a, v) \
(*(volatile uint32_t *)(a) &= ~(uint32_t)(v))
/*
* Register address.
*/
#if defined(SH3) && defined(SH4)
#define SH_(x) __sh_ ## x
#elif defined(SH3)
#define SH_(x) SH3_ ## x
#elif defined(SH4)
#define SH_(x) SH4_ ## x
#endif
#ifndef _LOCORE
/* Initialize register address for SH3 && SH4 kernel. */
void sh_devreg_init(void);
#endif
#endif /* !_SH_DEVREG_H_ */
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