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vme.c revision 1.1 
      1 /*	$NetBSD: vme.c,v 1.1 1997/01/14 20:57:03 gwr Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Gordon W. Ross.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 
     43 #include <machine/autoconf.h>
     44 /* #include <machine/vme.h> */
     45 
     46 static int  vmes_match __P((struct device *, struct cfdata *, void *));
     47 static int  vmel_match __P((struct device *, struct cfdata *, void *));
     48 
     49 static void vme_attach __P((struct device *, struct device *, void *));
     50 
     51 struct cfattach vmes_ca = {
     52 	sizeof(struct device), vmes_match, vme_attach
     53 };
     54 
     55 struct cfdriver vmes_cd = {
     56 	NULL, "vmes", DV_DULL
     57 };
     58 
     59 struct cfattach vmel_ca = {
     60 	sizeof(struct device), vmel_match, vme_attach
     61 };
     62 
     63 struct cfdriver vmel_cd = {
     64 	NULL, "vmel", DV_DULL
     65 };
     66 
     67 
     68 /* Does this machine have a VME bus? */
     69 extern int cpu_has_vme;
     70 
     71 static int
     72 vmes_match(parent, cf, aux)
     73 	struct device *parent;
     74 	struct cfdata *cf;
     75 	void *aux;
     76 {
     77 	struct confargs *ca = aux;
     78 
     79 	if (ca->ca_bustype != BUS_VME16)
     80 		return (0);
     81 	return (cpu_has_vme);
     82 }
     83 
     84 static int
     85 vmel_match(parent, cf, aux)
     86 	struct device *parent;
     87 	struct cfdata *cf;
     88 	void *aux;
     89 {
     90 	struct confargs *ca = aux;
     91 
     92 	if (ca->ca_bustype != BUS_VME32)
     93 		return (0);
     94 	return (cpu_has_vme);
     95 }
     96 
     97 static void
     98 vme_attach(parent, self, args)
     99 	struct device *parent;
    100 	struct device *self;
    101 	void *args;
    102 {
    103 	printf("\n");
    104 
    105 	/* We know ca_bustype == BUS_VMExx */
    106 	(void) config_search(bus_scan, self, args);
    107 }
    108