vme_machdep.c revision 1.16 
1/*	$NetBSD: vme_machdep.c,v 1.16 2009/03/14 14:45:57 dsl 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: vme_machdep.c,v 1.16 2009/03/14 14:45:57 dsl Exp $");
31
32#include <sys/types.h>
33#include <sys/param.h>
34#include <sys/time.h>
35#include <sys/systm.h>
36#include <sys/errno.h>
37#include <sys/device.h>
38
39#include <uvm/uvm_extern.h>
40
41#include <machine/bus.h>
42#include <machine/cpu.h>
43#include <machine/iomap.h>
44#include <machine/mfp.h>
45
46#include <atari/atari/device.h>
47#include <atari/vme/vmevar.h>
48
49static int	vmebusprint(void *auxp, const char *);
50static int	vmebusmatch(struct device *, struct cfdata *, void *);
51static void	vmebusattach(struct device *, struct device *, void *);
52
53CFATTACH_DECL(avmebus, sizeof(struct device),
54    vmebusmatch, vmebusattach, NULL, NULL);
55
56int vmebus_attached;
57
58int
59vmebusmatch(pdp, cfp, auxp)
60struct device	*pdp;
61struct cfdata	*cfp;
62void		*auxp;
63{
64	if(atari_realconfig == 0)
65		return (0);
66	if (strcmp((char *)auxp, "avmebus") || vmebus_attached)
67		return(0);
68	return(machineid & ATARI_FALCON ? 0 : 1);
69}
70
71void
72vmebusattach(pdp, dp, auxp)
73struct device	*pdp, *dp;
74void		*auxp;
75{
76	struct vmebus_attach_args	vba;
77
78	vmebus_attached = 1;
79
80	vba.vba_busname = "vme";
81	vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
82	vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
83	if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
84		printf("beb_alloc_bus_space_tag failed!\n");
85		return;
86	}
87
88	/*
89	 * XXX: Should we use zero or the actual (phys) start of VME memory.
90	 */
91	vba.vba_iot->base  = 0;
92	vba.vba_memt->base = 0;
93
94	printf("\n");
95	config_found(dp, &vba, vmebusprint);
96}
97
98int
99vmebusprint(auxp, name)
100void		*auxp;
101const char	*name;
102{
103	if(name == NULL)
104		return(UNCONF);
105	return(QUIET);
106}
107