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/* $OpenBSD: obio.c,v 1.4 1997/03/12 13:36:58 briggs Exp $ */
/* $NetBSD: obio.c,v 1.7 1997/02/13 19:01:07 scottr Exp $ */
/*
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to the NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 REGENTS 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <mac68k/dev/obiovar.h>
static int obio_match __P((struct device *, void *, void *));
static void obio_attach __P((struct device *, struct device *, void *));
static int obio_print __P((void *, const char *));
static int obio_search __P((struct device *, void *, void *));
struct cfattach obio_ca = {
sizeof(struct device), obio_match, obio_attach
};
struct cfdriver obio_cd = {
NULL, "obio", DV_DULL
};
static int
obio_match(parent, vcf, aux)
struct device *parent;
void *vcf;
void *aux;
{
static int obio_matched = 0;
/* Allow only one instance. */
if (obio_matched)
return (0);
obio_matched = 1;
return (1);
}
static void
obio_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
printf("\n");
/* Search for and attach children. */
(void)config_search(obio_search, self, aux);
}
int
obio_print(args, name)
void *args;
const char *name;
{
struct obio_attach_args *oa = (struct obio_attach_args *)args;
if (oa->oa_addr != (-1))
printf(" addr %x", oa->oa_addr);
return (UNCONF);
}
int
obio_search(parent, vcf, aux)
struct device *parent;
void *vcf;
void *aux;
{
struct obio_attach_args oa;
struct cfdata *cf = (struct cfdata *) vcf;
oa.oa_addr = cf->cf_loc[0];
oa.oa_drq = cf->cf_loc[1];
oa.oa_hsk = cf->cf_loc[2];
oa.oa_tag = MAC68K_BUS_SPACE_MEM;
if ((*cf->cf_attach->ca_match)(parent, cf, &oa) > 0)
config_attach(parent, cf, &oa, obio_print);
return (0);
}
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