vme_machdep.c revision 1.4 
1/*	$NetBSD: vme_machdep.c,v 1.4 1998/04/22 08:01:21 leo Exp $	*/
2
3/*-
4 * Copyright (c) 1997 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *        This product includes software developed by the NetBSD
18 *        Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 *    contributors may be used to endorse or promote products derived
21 *    from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#include <sys/types.h>
37#include <sys/param.h>
38#include <sys/time.h>
39#include <sys/systm.h>
40#include <sys/errno.h>
41#include <sys/device.h>
42
43#include <vm/vm.h>
44#include <vm/vm_kern.h>
45
46#include <machine/bus.h>
47#include <machine/cpu.h>
48#include <machine/iomap.h>
49#include <machine/mfp.h>
50
51#include <atari/atari/device.h>
52#include <atari/vme/vmevar.h>
53
54static int	vmebusprint __P((void *auxp, const char *));
55static int	vmebusmatch __P((struct device *, struct cfdata *, void *));
56static void	vmebusattach __P((struct device *, struct device *, void *));
57
58struct cfattach vmebus_ca = {
59	sizeof(struct device), vmebusmatch, vmebusattach
60};
61
62int
63vmebusmatch(pdp, cfp, auxp)
64struct device	*pdp;
65struct cfdata	*cfp;
66void		*auxp;
67{
68	if(atari_realconfig == 0)
69		return (0);
70	if (strcmp((char *)auxp, "vmebus") || cfp->cf_unit != 0)
71		return(0);
72	return(machineid & ATARI_FALCON ? 0 : 1);
73}
74
75void
76vmebusattach(pdp, dp, auxp)
77struct device	*pdp, *dp;
78void		*auxp;
79{
80	struct vmebus_attach_args	vba;
81	bus_space_tag_t			beb_alloc_bus_space_tag __P((void));
82
83	vba.vba_busname = "vme";
84	vba.vba_iot     = beb_alloc_bus_space_tag();
85	vba.vba_memt    = beb_alloc_bus_space_tag();
86	if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
87		printf("beb_alloc_bus_space_tag failed!\n");
88		return;
89	}
90
91	/*
92	 * XXX: Should we use zero or the actual (phys) start of VME memory.
93	 */
94	vba.vba_iot->base  = 0;
95	vba.vba_memt->base = 0;
96
97	printf("\n");
98	config_found(dp, &vba, vmebusprint);
99}
100
101int
102vmebusprint(auxp, name)
103void		*auxp;
104const char	*name;
105{
106	if(name == NULL)
107		return(UNCONF);
108	return(QUIET);
109}
110