bi_mainbus.c revision 1.9 
1/*	$NetBSD: bi_mainbus.c,v 1.9 2005/12/11 12:19:29 christos Exp $	   */
2/*
3 * Copyright (c) 1999 Ludd, University of Lule}, Sweden.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *      This product includes software developed at Ludd, University of
17 *      Lule}, Sweden and its contributors.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: bi_mainbus.c,v 1.9 2005/12/11 12:19:29 christos Exp $");
35
36#include <sys/param.h>
37#include <sys/device.h>
38
39#define	_VAX_BUS_DMA_PRIVATE
40#include <machine/bus.h>
41#include <machine/nexus.h>
42#include <machine/sid.h>
43#include <machine/scb.h>
44#include <machine/cpu.h>
45
46#include <dev/bi/bivar.h>
47#include <dev/bi/bireg.h>
48
49static	int bi_mainbus_match __P((struct device *, struct cfdata *, void *));
50static	void bi_mainbus_attach __P((struct device *, struct device *, void *));
51
52CFATTACH_DECL(bi_mainbus, sizeof(struct bi_softc),
53    bi_mainbus_match, bi_mainbus_attach, NULL, NULL);
54
55extern	struct vax_bus_space vax_mem_bus_space;
56extern	struct vax_bus_dma_tag vax_bus_dma_tag;
57
58static int
59bi_mainbus_match(struct device *parent, struct cfdata *vcf, void *aux)
60{
61	if (vax_bustype == VAX_BIBUS)
62		return 1;
63	return 0;
64}
65
66static void
67bi_mainbus_attach(struct device *parent, struct device *self, void *aux)
68{
69	struct bi_softc *sc = (void *)self;
70
71	/*
72	 * Fill in bus specific data.
73	 */
74	sc->sc_addr = (bus_addr_t)BI_BASE(0, 0);
75	sc->sc_iot = &vax_mem_bus_space; /* No special I/O handling */
76	sc->sc_dmat = &vax_bus_dma_tag;	/* No special DMA handling either */
77	sc->sc_intcpu = 1 << mfpr(PR_BINID);
78	sc->sc_lastiv = 256; /* Lowest available vector address */
79
80	bi_attach(sc);
81}
82