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/* $NetBSD: dcr.c,v 1.3 2022/03/10 00:14:16 riastradh Exp $ */
/*
* Copyright (c) 2006 Jachym Holecek
* All rights reserved.
*
* Written for DFC Design, s.r.o.
*
* 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 AUTHOR ``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 AUTHOR 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.
*/
/*
* DCR bus space size & base addresses are hardcoded and runtime-checked,
* so there's no point in maintaning extents etc -- just provide placebo
* implementations so that we can use bus_space as usual (add more as
* needed).
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dcr.c,v 1.3 2022/03/10 00:14:16 riastradh Exp $");
#include <sys/types.h>
#include <sys/bus.h>
#include <evbppc/virtex/dcr.h>
int
dcr_map(bus_space_tag_t bst, bus_addr_t addr, bus_size_t size, int flags,
bus_space_handle_t *bsh)
{
*bsh = addr;
return (0);
}
void
dcr_unmap(bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t size)
{
/* Nothing to do. */
}
int
dcr_subregion(bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t offset,
bus_size_t size, bus_space_handle_t *bshp)
{
*bshp = bsh + offset;
return (0);
}
void
dcr_barrier(bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t offset,
bus_size_t size, int flags)
{
/* XXX EIEIO? */
}
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