80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/* $NetBSD: obmem.c,v 1.8 1996/03/26 15:16:17 gwr Exp $ */
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/*
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* Copyright (c) 1994 Gordon W. Ross
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* Copyright (c) 1993 Adam Glass
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* 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 Adam Glass and Gordon Ross.
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* 4. The name of the authors 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 AUTHORS ``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 AUTHORS 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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* On-board MEMory (OBMEM)
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* Used by frame buffers...
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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/autoconf.h>
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#include <machine/obmem.h>
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static int obmem_match __P((struct device *, void *, void *));
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static void obmem_attach __P((struct device *, struct device *, void *));
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struct cfattach obmem_ca = {
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sizeof(struct device), obmem_match, obmem_attach
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};
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struct cfdriver obmem_cd = {
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NULL, "obmem", DV_DULL
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};
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static int
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obmem_match(parent, vcf, aux)
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struct device *parent;
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void *vcf, *aux;
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{
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struct confargs *ca = aux;
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if (ca->ca_bustype != BUS_OBMEM)
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return (0);
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return(1);
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}
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static void
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obmem_attach(parent, self, args)
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struct device *parent;
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struct device *self;
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void *args;
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{
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printf("\n");
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/* We know ca_bustype == BUS_OBMEM */
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(void) config_search(bus_scan, self, args);
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}
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