vme_machdep.c revision 1.13 
1/*	$NetBSD: vme_machdep.c,v 1.13 2004/12/13 02:14:13 chs 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/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: vme_machdep.c,v 1.13 2004/12/13 02:14:13 chs Exp $");
38
39#include <sys/types.h>
40#include <sys/param.h>
41#include <sys/time.h>
42#include <sys/systm.h>
43#include <sys/errno.h>
44#include <sys/device.h>
45
46#include <uvm/uvm_extern.h>
47
48#include <machine/bus.h>
49#include <machine/cpu.h>
50#include <machine/iomap.h>
51#include <machine/mfp.h>
52
53#include <atari/atari/device.h>
54#include <atari/vme/vmevar.h>
55
56static int	vmebusprint __P((void *auxp, const char *));
57static int	vmebusmatch __P((struct device *, struct cfdata *, void *));
58static void	vmebusattach __P((struct device *, struct device *, void *));
59
60CFATTACH_DECL(avmebus, sizeof(struct device),
61    vmebusmatch, vmebusattach, NULL, NULL);
62
63int vmebus_attached;
64
65int
66vmebusmatch(pdp, cfp, auxp)
67struct device	*pdp;
68struct cfdata	*cfp;
69void		*auxp;
70{
71	if(atari_realconfig == 0)
72		return (0);
73	if (strcmp((char *)auxp, "avmebus") || vmebus_attached)
74		return(0);
75	return(machineid & ATARI_FALCON ? 0 : 1);
76}
77
78void
79vmebusattach(pdp, dp, auxp)
80struct device	*pdp, *dp;
81void		*auxp;
82{
83	struct vmebus_attach_args	vba;
84
85	vmebus_attached = 1;
86
87	vba.vba_busname = "vme";
88	vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
89	vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
90	if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
91		printf("beb_alloc_bus_space_tag failed!\n");
92		return;
93	}
94
95	/*
96	 * XXX: Should we use zero or the actual (phys) start of VME memory.
97	 */
98	vba.vba_iot->base  = 0;
99	vba.vba_memt->base = 0;
100
101	printf("\n");
102	config_found(dp, &vba, vmebusprint);
103}
104
105int
106vmebusprint(auxp, name)
107void		*auxp;
108const char	*name;
109{
110	if(name == NULL)
111		return(UNCONF);
112	return(QUIET);
113}
114