71 lines
2.7 KiB
C
71 lines
2.7 KiB
C
/* $NetBSD: devreg.h,v 1.2 2002/04/28 17:10:34 uch Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SH3_DEVREG_H_
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#define _SH3_DEVREG_H_
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/*
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* SH embeded device register defines.
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*/
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/*
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* Access method
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*/
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#define _reg_read_1(a) (*(__volatile__ u_int8_t *)((vaddr_t)(a)))
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#define _reg_read_2(a) (*(__volatile__ u_int16_t *)((vaddr_t)(a)))
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#define _reg_read_4(a) (*(__volatile__ u_int32_t *)((vaddr_t)(a)))
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#define _reg_write_1(a, v) \
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(*(__volatile__ u_int8_t *)(a) = (u_int8_t)(v))
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#define _reg_write_2(a, v) \
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(*(__volatile__ u_int16_t *)(a) = (u_int16_t)(v))
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#define _reg_write_4(a, v) \
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(*(__volatile__ u_int32_t *)(a) = (u_int32_t)(v))
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/*
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* Register address.
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*/
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#if defined(SH3) && defined(SH4)
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#define SH_(x) __sh_ ## x
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#elif defined(SH3)
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#define SH_(x) SH3_ ## x
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#elif defined(SH4)
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#define SH_(x) SH4_ ## x
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#endif
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#ifndef _LOCORE
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/* Initialize register address for SH3 && SH4 kernel. */
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void sh_devreg_init(void);
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#endif
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#endif /* !_SH3_DEVREG_H_ */
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