1 /* $NetBSD: bi_mainbus.c,v 1.12 2017/05/22 16:53:59 ragge 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: bi_mainbus.c,v 1.12 2017/05/22 16:53:59 ragge Exp $");
29
30 #define _VAX_BUS_DMA_PRIVATE
31
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/bus.h>
35 #include <sys/cpu.h>
36
37 #include <machine/nexus.h>
38 #include <machine/sid.h>
39 #include <machine/scb.h>
40 #include <machine/mainbus.h>
41
42 #include <dev/bi/bivar.h>
43 #include <dev/bi/bireg.h>
44
45 #include "ioconf.h"
46
47 static int bi_mainbus_match(device_t, cfdata_t, void *);
48 static void bi_mainbus_attach(device_t, device_t, void *);
49
50 CFATTACH_DECL_NEW(bi_mainbus, sizeof(struct bi_softc),
51 bi_mainbus_match, bi_mainbus_attach, NULL, NULL);
52
53 static int
bi_mainbus_match(device_t parent,cfdata_t cf,void * aux)54 bi_mainbus_match(device_t parent, cfdata_t cf, void *aux)
55 {
56 struct mainbus_attach_args * const ma = aux;
57
58 return !strcmp(bi_cd.cd_name, ma->ma_type);
59 }
60
61 static void
bi_mainbus_attach(device_t parent,device_t self,void * aux)62 bi_mainbus_attach(device_t parent, device_t self, void *aux)
63 {
64 struct bi_softc * const sc = device_private(self);
65 struct mainbus_attach_args * const ma = aux;
66
67 sc->sc_dev = self;
68 /*
69 * Fill in bus specific data.
70 */
71 sc->sc_addr = (bus_addr_t)BI_BASE(0, 0);
72 sc->sc_iot = ma->ma_iot; /* No special I/O handling */
73 sc->sc_dmat = ma->ma_dmat; /* No special DMA handling either */
74 sc->sc_intcpu = 1 << mfpr(PR_BINID);
75 sc->sc_lastiv = 256; /* Lowest available vector address */
76
77 bi_attach(sc);
78 }
79