724 lines
22 KiB
C
724 lines
22 KiB
C
/* $NetBSD: bus.h,v 1.9 2002/04/28 17:10:33 uch Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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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/*
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* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
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* Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SH3_BUS_H_
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#define _SH3_BUS_H_
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#include <machine/bswap.h>
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#ifndef __BUS_SPACE_COMPAT_OLDDEFS
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#define __BUS_SPACE_COMPAT_OLDDEFS
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#endif
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#define __BUS_SPACE_HAS_STREAM_METHODS
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#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
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/*
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* Values for the sh3 bus space tag, not to be used directly by MI code.
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*/
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#define SH3_BUS_SPACE_IO 0 /* space is i/o space */
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#define SH3_BUS_SPACE_MEM 1 /* space is mem space */
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#define SH3_BUS_SPACE_PCMCIA_IO 2 /* PCMCIA IO space */
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#define SH3_BUS_SPACE_PCMCIA_MEM 3 /* PCMCIA Mem space */
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#define SH3_BUS_SPACE_PCMCIA_ATT 4 /* PCMCIA Attr space */
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#define SH3_BUS_SPACE_PCMCIA_8BIT 0x8000 /* PCMCIA BUS 8 BIT WIDTH */
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#define SH3_BUS_SPACE_PCMCIA_IO8 \
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(SH3_BUS_SPACE_PCMCIA_IO|SH3_BUS_SPACE_PCMCIA_8BIT)
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#define SH3_BUS_SPACE_PCMCIA_MEM8 \
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(SH3_BUS_SPACE_PCMCIA_MEM|SH3_BUS_SPACE_PCMCIA_8BIT)
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#define SH3_BUS_SPACE_PCMCIA_ATT8 \
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(SH3_BUS_SPACE_PCMCIA_ATT|SH3_BUS_SPACE_PCMCIA_8BIT)
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/*
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* Bus address and size types
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*/
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typedef u_long bus_addr_t;
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typedef u_long bus_size_t;
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/*
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* Access methods for bus resources and address space.
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*/
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typedef int bus_space_tag_t;
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typedef u_long bus_space_handle_t;
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/*
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* int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
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* bus_size_t size, int flags, bus_space_handle_t *bshp);
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*
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* Map a region of bus space.
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*/
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#define BUS_SPACE_MAP_CACHEABLE 0x01
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#define BUS_SPACE_MAP_LINEAR 0x02
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int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t size,
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int, bus_space_handle_t *);
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#ifdef SH4_PCMCIA
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int shpcmcia_memio_map(bus_space_tag_t, bus_addr_t, bus_size_t size,
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int, bus_space_handle_t *);
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int shpcmcia_mem_add_mapping(bus_addr_t, bus_size_t, int,
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bus_space_handle_t *);
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void shpcmcia_memio_unmap(bus_space_tag_t, bus_space_handle_t,
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bus_size_t);
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void shpcmcia_memio_free(bus_space_tag_t, bus_space_handle_t,
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bus_size_t);
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int shpcmcia_memio_subregion(bus_space_tag_t, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *);
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#endif
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/*
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* u_intN_t bus_space_read_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset);
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*
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* Read a 1, 2, 4, or 8 byte quantity from bus space
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* described by tag/handle/offset.
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*/
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static __inline u_int8_t bus_space_read_1
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(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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static __inline u_int16_t bus_space_read_2
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(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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static __inline u_int32_t bus_space_read_4
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(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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u_int8_t
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bus_space_read_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset)
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{
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return *(volatile u_int8_t *)(bsh + offset);
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}
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u_int16_t
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bus_space_read_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset)
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{
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return bswap16(*(volatile u_int16_t *)(bsh + offset));
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}
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u_int32_t
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bus_space_read_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset)
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{
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return bswap32(*(volatile u_int32_t *)(bsh + offset));
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}
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static __inline u_int16_t bus_space_read_stream_2
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(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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static __inline u_int32_t bus_space_read_stream_4
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(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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u_int16_t
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bus_space_read_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset)
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{
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return *(volatile u_int16_t *)(bsh + offset);
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}
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u_int32_t
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bus_space_read_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset)
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{
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return *(volatile u_int32_t *)(bsh + offset);
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}
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/*
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* void bus_space_read_multi_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t *addr, size_t count);
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*
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* Read `count' 1, 2, 4, or 8 byte quantities from bus space
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* described by tag/handle/offset and copy into buffer provided.
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*/
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static __inline void bus_space_read_multi_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
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static __inline void bus_space_read_multi_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_multi_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
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void
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bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int8_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_1(tag, bsh, offset);
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}
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void
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bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_2(tag, bsh, offset);
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}
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void
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bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int32_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_4(tag, bsh, offset);
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}
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static __inline void bus_space_read_multi_stream_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_multi_stream_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
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void
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bus_space_read_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = *(volatile u_int16_t *)(bsh + offset);
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}
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void
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bus_space_read_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int32_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = *(volatile u_int32_t *)(bsh + offset);
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}
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/*
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* int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart,
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* bus_addr_t rend, bus_size_t size, bus_size_t align,
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* bus_size_t boundary, int flags, bus_addr_t *addrp,
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* bus_space_handle_t *bshp);
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*
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* Allocate a region of bus space.
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*/
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int sh_memio_alloc(bus_space_tag_t, bus_addr_t, bus_addr_t, bus_size_t,
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bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
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#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp) \
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sh_memio_alloc((t), (rs), (re), (s), (a), (b), (f), (ap), (hp))
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/*
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* int bus_space_free(bus_space_tag_t t,
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* bus_space_handle_t bsh, bus_size_t size);
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*
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* Free a region of bus space.
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*/
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void sh_memio_free(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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#define bus_space_free(t, h, s) \
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sh_memio_free((t), (h), (s))
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/*
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* int bus_space_unmap(bus_space_tag_t t,
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* bus_space_handle_t bsh, bus_size_t size);
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*
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* Unmap a region of bus space.
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*/
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void sh_memio_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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#define bus_space_unmap(t, h, s) \
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sh_memio_unmap((t), (h), (s))
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/*
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* int bus_space_subregion(bus_space_tag_t t,
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* bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
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* bus_space_handle_t *nbshp);
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*
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* Get a new handle for a subregion of an already-mapped area of bus space.
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*/
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int sh_memio_subregion(bus_space_tag_t, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *);
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#define bus_space_subregion(t, h, o, s, nhp) \
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sh_memio_subregion((t), (h), (o), (s), (nhp))
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/*
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* void bus_space_read_region_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t *addr, size_t count);
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*
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* Read `count' 1, 2, 4, or 8 byte quantities from bus space
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* described by tag/handle and starting at `offset' and copy into
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* buffer provided.
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*/
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static __inline void bus_space_read_region_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
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static __inline void bus_space_read_region_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_region_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
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void
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bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int8_t *addr, bus_size_t count)
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{
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u_int8_t *p = (u_int8_t *)(bsh + offset);
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while (count--)
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*addr++ = *p++;
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}
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void
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bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t *addr, bus_size_t count)
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{
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u_int16_t *p = (u_int16_t *)(bsh + offset);
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while (count--)
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*addr++ = bswap16(*p++);
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}
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void
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bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int32_t *addr, bus_size_t count)
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{
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u_int32_t *p = (u_int32_t *)(bsh + offset);
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while (count--)
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*addr++ = bswap32(*p++);
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}
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/*
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* void bus_space_write_region_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* const u_intN_t *addr, size_t count);
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*
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* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
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* to bus space described by tag/handle starting at `offset'.
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*/
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static __inline void bus_space_write_region_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t);
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static __inline void bus_space_write_region_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t);
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static __inline void bus_space_write_region_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t);
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void
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bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, const u_int8_t *addr, bus_size_t count)
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{
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u_int8_t *p = (u_int8_t *)(bsh + offset);
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while (count--)
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*p++ = *addr++;
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}
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void
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bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, const u_int16_t *addr, bus_size_t count)
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{
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u_int16_t *p = (u_int16_t *)(bsh + offset);
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while (count--)
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*p++ = bswap16(*addr++);
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}
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void
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bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, const u_int32_t *addr, bus_size_t count)
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{
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u_int32_t *p = (u_int32_t *)(bsh + offset);
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while (count--)
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*p++ = bswap32(*addr++);
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}
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/*
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* void bus_space_write_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t value);
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*
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* Write the 1, 2, 4, or 8 byte value `value' to bus space
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* described by tag/handle/offset.
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*/
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static __inline void bus_space_write_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int8_t);
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static __inline void bus_space_write_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t);
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static __inline void bus_space_write_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t);
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void
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bus_space_write_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int8_t value)
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{
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*(volatile u_int8_t *)(bsh + offset) = value;
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}
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void
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bus_space_write_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t value)
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{
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*(volatile u_int16_t *)(bsh + offset) = bswap16(value);
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}
|
|
|
|
void
|
|
bus_space_write_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t value)
|
|
{
|
|
|
|
*(volatile u_int32_t *)(bsh + offset) = bswap32(value);
|
|
}
|
|
|
|
static __inline void bus_space_write_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t);
|
|
static __inline void bus_space_write_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t);
|
|
|
|
void
|
|
bus_space_write_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t value)
|
|
{
|
|
|
|
*(volatile u_int16_t *)(bsh + offset) = value;
|
|
}
|
|
|
|
void
|
|
bus_space_write_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t value)
|
|
{
|
|
|
|
*(volatile u_int32_t *)(bsh + offset) = value;
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* const u_intN_t *addr, size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
|
|
* provided to bus space described by tag/handle/offset.
|
|
*/
|
|
static __inline void bus_space_write_multi_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
|
|
|
|
void
|
|
bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
void
|
|
bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_2(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
void
|
|
bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_4(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void bus_space_write_multi_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
|
|
|
|
void
|
|
bus_space_write_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_stream_2(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
void
|
|
bus_space_write_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_stream_4(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle/offset `count' times.
|
|
*/
|
|
static __inline void bus_space_set_multi_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t);
|
|
static __inline void bus_space_set_multi_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t);
|
|
static __inline void bus_space_set_multi_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t);
|
|
|
|
void
|
|
bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset, val);
|
|
}
|
|
|
|
void
|
|
bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_2(tag, bsh, offset, val);
|
|
}
|
|
|
|
void
|
|
bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_4(tag, bsh, offset, val);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle starting at `offset'.
|
|
*/
|
|
static __inline void bus_space_set_region_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t);
|
|
static __inline void bus_space_set_region_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t);
|
|
static __inline void bus_space_set_region_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t);
|
|
|
|
void
|
|
bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t val, bus_size_t count)
|
|
{
|
|
volatile u_int8_t *addr = (void *)(bsh + offset);
|
|
|
|
while (count--)
|
|
*addr++ = val;
|
|
}
|
|
|
|
void
|
|
bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t val, bus_size_t count)
|
|
{
|
|
volatile u_int16_t *addr = (void *)(bsh + offset);
|
|
|
|
val = bswap16(val);
|
|
while (count--)
|
|
*addr++ = val;
|
|
}
|
|
|
|
void
|
|
bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t val, bus_size_t count)
|
|
{
|
|
volatile u_int32_t *addr = (void *)(bsh + offset);
|
|
|
|
val = bswap32(val);
|
|
while (count--)
|
|
*addr++ = val;
|
|
}
|
|
|
|
/*
|
|
* void bus_space_copy_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh1, bus_size_t off1,
|
|
* bus_space_handle_t bsh2, bus_size_t off2,
|
|
* size_t count);
|
|
*
|
|
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
|
|
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
|
|
*/
|
|
static __inline void bus_space_copy_region_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
static __inline void bus_space_copy_region_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
static __inline void bus_space_copy_region_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
|
|
void
|
|
bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
volatile u_int8_t *addr1 = (void *)(h1 + o1);
|
|
volatile u_int8_t *addr2 = (void *)(h2 + o2);
|
|
|
|
if (addr1 >= addr2) { /* src after dest: copy forward */
|
|
while (c--)
|
|
*addr2++ = *addr1++;
|
|
} else { /* dest after src: copy backwards */
|
|
addr1 += c - 1;
|
|
addr2 += c - 1;
|
|
while (c--)
|
|
*addr2-- = *addr1--;
|
|
}
|
|
}
|
|
|
|
void
|
|
bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
volatile u_int16_t *addr1 = (void *)(h1 + o1);
|
|
volatile u_int16_t *addr2 = (void *)(h2 + o2);
|
|
|
|
if (addr1 >= addr2) { /* src after dest: copy forward */
|
|
while (c--)
|
|
*addr2++ = *addr1++;
|
|
} else { /* dest after src: copy backwards */
|
|
addr1 += c - 1;
|
|
addr2 += c - 1;
|
|
while (c--)
|
|
*addr2-- = *addr1--;
|
|
}
|
|
}
|
|
|
|
void
|
|
bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
volatile u_int32_t *addr1 = (void *)(h1 + o1);
|
|
volatile u_int32_t *addr2 = (void *)(h2 + o2);
|
|
|
|
if (addr1 >= addr2) { /* src after dest: copy forward */
|
|
while (c--)
|
|
*addr2++ = *addr1++;
|
|
} else { /* dest after src: copy backwards */
|
|
addr1 += c - 1;
|
|
addr2 += c - 1;
|
|
while (c--)
|
|
*addr2-- = *addr1--;
|
|
}
|
|
}
|
|
|
|
#ifdef __BUS_SPACE_COMPAT_OLDDEFS
|
|
/* compatibility definitions; deprecated */
|
|
#define bus_space_copy_1(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_1((t), (h1), (o1), (h2), (o2), (c))
|
|
#define bus_space_copy_2(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_2((t), (h1), (o1), (h2), (o2), (c))
|
|
#define bus_space_copy_4(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_4((t), (h1), (o1), (h2), (o2), (c))
|
|
#define bus_space_copy_8(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_8((t), (h1), (o1), (h2), (o2), (c))
|
|
#endif
|
|
|
|
/*
|
|
* Bus read/write barrier methods.
|
|
*
|
|
* void bus_space_barrier(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* bus_size_t len, int flags);
|
|
*
|
|
* Note: the sh3 does not currently require barriers, but we must
|
|
* provide the flags to MI code.
|
|
*/
|
|
#define bus_space_barrier(t, h, o, l, f) \
|
|
((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
|
|
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
|
|
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
|
|
|
|
#ifdef __BUS_SPACE_COMPAT_OLDDEFS
|
|
/* compatibility definitions; deprecated */
|
|
#define BUS_BARRIER_READ BUS_SPACE_BARRIER_READ
|
|
#define BUS_BARRIER_WRITE BUS_SPACE_BARRIER_WRITE
|
|
#endif
|
|
|
|
#endif /* _SH3_BUS_H_ */
|