69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* $NetBSD: dcr.c,v 1.2 2011/07/01 19:03:50 dyoung Exp $ */
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/*
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* Copyright (c) 2006 Jachym Holecek
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* All rights reserved.
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*
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* Written for DFC Design, s.r.o.
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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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*
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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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*
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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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*
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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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/*
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* DCR bus space size & base addresses are hardcoded and runtime-checked,
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* so there's no point in maintaning extents etc -- just provide placebo
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* implementations so that we can use bus_space as usual (add more as
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* needed).
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dcr.c,v 1.2 2011/07/01 19:03:50 dyoung Exp $");
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#include <sys/types.h>
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#include <sys/bus.h>
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#include <evbppc/virtex/dcr.h>
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int
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dcr_map(bus_space_tag_t bst, bus_addr_t addr, bus_size_t size, int flags,
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bus_space_handle_t *bsh)
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{
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*bsh = addr;
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return (0);
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}
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void
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dcr_unmap(bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t size)
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{
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/* Nothing to do. */
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}
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int
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dcr_subregion(bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t offset,
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bus_size_t size, bus_space_handle_t *bshp)
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{
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*bshp = bsh + offset;
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return (0);
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}
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