119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/* $NetBSD: obio.c,v 1.7 1997/02/13 19:01:07 scottr Exp $ */
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/*
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* Copyright (c) 1996 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.
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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 REGENTS OR CONTRIBUTORS BE
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* 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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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <mac68k/dev/obiovar.h>
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static int obio_match __P((struct device *, struct cfdata *, void *));
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static void obio_attach __P((struct device *, struct device *, void *));
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static int obio_print __P((void *, const char *));
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static int obio_search __P((struct device *, struct cfdata *, void *));
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struct cfattach obio_ca = {
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sizeof(struct device), obio_match, obio_attach
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};
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struct cfdriver obio_cd = {
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NULL, "obio", DV_DULL
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};
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static int
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obio_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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static int obio_matched = 0;
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/* Allow only one instance. */
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if (obio_matched)
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return (0);
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obio_matched = 1;
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return (1);
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}
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static void
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obio_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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printf("\n");
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/* Search for and attach children. */
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(void)config_search(obio_search, self, aux);
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}
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int
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obio_print(args, name)
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void *args;
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const char *name;
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{
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struct obio_attach_args *oa = (struct obio_attach_args *)args;
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if (oa->oa_addr != (-1))
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printf(" addr %x", oa->oa_addr);
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return (UNCONF);
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}
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int
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obio_search(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct obio_attach_args oa;
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oa.oa_addr = cf->cf_loc[0];
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oa.oa_drq = cf->cf_loc[1];
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oa.oa_hsk = cf->cf_loc[2];
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oa.oa_tag = MAC68K_BUS_SPACE_MEM;
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if ((*cf->cf_attach->ca_match)(parent, cf, &oa) > 0)
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config_attach(parent, cf, &oa, obio_print);
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return (0);
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}
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