vme_two_68k.c revision 1.1.2.2 1 1.1.2.2 nathanw /* $NetBSD: vme_two_68k.c,v 1.1.2.2 2002/02/28 04:10:51 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*-
4 1.1.2.2 nathanw * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
5 1.1.2.2 nathanw * All rights reserved.
6 1.1.2.2 nathanw *
7 1.1.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.2 nathanw * by Steve C. Woodford.
9 1.1.2.2 nathanw *
10 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
12 1.1.2.2 nathanw * are met:
13 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
18 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
19 1.1.2.2 nathanw * must display the following acknowledgement:
20 1.1.2.2 nathanw * This product includes software developed by the NetBSD
21 1.1.2.2 nathanw * Foundation, Inc. and its contributors.
22 1.1.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.2.2 nathanw * contributors may be used to endorse or promote products derived
24 1.1.2.2 nathanw * from this software without specific prior written permission.
25 1.1.2.2 nathanw *
26 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
37 1.1.2.2 nathanw */
38 1.1.2.2 nathanw
39 1.1.2.2 nathanw /*
40 1.1.2.2 nathanw * Front-end for the VMEchip2 found on the MVME-1[67][27] boards.
41 1.1.2.2 nathanw */
42 1.1.2.2 nathanw
43 1.1.2.2 nathanw #include "vmetwo.h"
44 1.1.2.2 nathanw
45 1.1.2.2 nathanw #include <sys/param.h>
46 1.1.2.2 nathanw #include <sys/kernel.h>
47 1.1.2.2 nathanw #include <sys/systm.h>
48 1.1.2.2 nathanw #include <sys/device.h>
49 1.1.2.2 nathanw
50 1.1.2.2 nathanw #include <machine/cpu.h>
51 1.1.2.2 nathanw #include <machine/bus.h>
52 1.1.2.2 nathanw
53 1.1.2.2 nathanw #include <dev/vme/vmereg.h>
54 1.1.2.2 nathanw #include <dev/vme/vmevar.h>
55 1.1.2.2 nathanw
56 1.1.2.2 nathanw #include <mvme68k/mvme68k/isr.h>
57 1.1.2.2 nathanw #include <mvme68k/dev/mainbus.h>
58 1.1.2.2 nathanw
59 1.1.2.2 nathanw #include <dev/mvme/mvmebus.h>
60 1.1.2.2 nathanw #include <dev/mvme/vme_tworeg.h>
61 1.1.2.2 nathanw #include <dev/mvme/vme_twovar.h>
62 1.1.2.2 nathanw
63 1.1.2.2 nathanw int vmetwo_match __P((struct device *, struct cfdata *, void *));
64 1.1.2.2 nathanw void vmetwo_attach __P((struct device *, struct device *, void *));
65 1.1.2.2 nathanw
66 1.1.2.2 nathanw struct cfattach vmetwo_ca = {
67 1.1.2.2 nathanw sizeof(struct vmetwo_softc), vmetwo_match, vmetwo_attach
68 1.1.2.2 nathanw };
69 1.1.2.2 nathanw struct cfdriver vmetwo_cd;
70 1.1.2.2 nathanw
71 1.1.2.2 nathanw static void vmetwoisrlink(void *, int (*)(void *), void *,
72 1.1.2.2 nathanw int, int, struct evcnt *);
73 1.1.2.2 nathanw static void vmetwoisrunlink(void *, int);
74 1.1.2.2 nathanw static struct evcnt *vmetwoisrevcnt(void *, int);
75 1.1.2.2 nathanw
76 1.1.2.2 nathanw
77 1.1.2.2 nathanw /* ARGSUSED */
78 1.1.2.2 nathanw int
79 1.1.2.2 nathanw vmetwo_match(parent, cf, aux)
80 1.1.2.2 nathanw struct device *parent;
81 1.1.2.2 nathanw struct cfdata *cf;
82 1.1.2.2 nathanw void *aux;
83 1.1.2.2 nathanw {
84 1.1.2.2 nathanw struct mainbus_attach_args *ma;
85 1.1.2.2 nathanw static int matched = 0;
86 1.1.2.2 nathanw
87 1.1.2.2 nathanw ma = aux;
88 1.1.2.2 nathanw
89 1.1.2.2 nathanw if (strcmp(ma->ma_name, vmetwo_cd.cd_name))
90 1.1.2.2 nathanw return (0);
91 1.1.2.2 nathanw
92 1.1.2.2 nathanw /* Only one VMEchip2, please. */
93 1.1.2.2 nathanw if (matched++)
94 1.1.2.2 nathanw return (0);
95 1.1.2.2 nathanw
96 1.1.2.2 nathanw /*
97 1.1.2.2 nathanw * Some mvme1[67]2 boards have a `no VMEchip2' build option...
98 1.1.2.2 nathanw */
99 1.1.2.2 nathanw return (vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0);
100 1.1.2.2 nathanw }
101 1.1.2.2 nathanw
102 1.1.2.2 nathanw /* ARGSUSED */
103 1.1.2.2 nathanw void
104 1.1.2.2 nathanw vmetwo_attach(parent, self, aux)
105 1.1.2.2 nathanw struct device *parent;
106 1.1.2.2 nathanw struct device *self;
107 1.1.2.2 nathanw void *aux;
108 1.1.2.2 nathanw {
109 1.1.2.2 nathanw struct mainbus_attach_args *ma;
110 1.1.2.2 nathanw struct vmetwo_softc *sc;
111 1.1.2.2 nathanw
112 1.1.2.2 nathanw sc = (struct vmetwo_softc *) self;
113 1.1.2.2 nathanw ma = aux;
114 1.1.2.2 nathanw
115 1.1.2.2 nathanw /*
116 1.1.2.2 nathanw * Map the local control registers
117 1.1.2.2 nathanw */
118 1.1.2.2 nathanw bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET,
119 1.1.2.2 nathanw VME2LCSR_SIZE, 0, &sc->sc_lcrh);
120 1.1.2.2 nathanw
121 1.1.2.2 nathanw #ifdef notyet
122 1.1.2.2 nathanw /*
123 1.1.2.2 nathanw * Map the global control registers
124 1.1.2.2 nathanw */
125 1.1.2.2 nathanw bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET,
126 1.1.2.2 nathanw VME2GCSR_SIZE, 0, &sc->sc_gcrh);
127 1.1.2.2 nathanw #endif
128 1.1.2.2 nathanw
129 1.1.2.2 nathanw /* Initialise stuff for the common vme_two back-end */
130 1.1.2.2 nathanw sc->sc_mvmebus.sc_bust = ma->ma_bust;
131 1.1.2.2 nathanw sc->sc_mvmebus.sc_dmat = ma->ma_dmat;
132 1.1.2.2 nathanw sc->sc_isrlink = vmetwoisrlink;
133 1.1.2.2 nathanw sc->sc_isrunlink = vmetwoisrunlink;
134 1.1.2.2 nathanw sc->sc_isrevcnt = vmetwoisrevcnt;
135 1.1.2.2 nathanw
136 1.1.2.2 nathanw vmetwo_init(sc);
137 1.1.2.2 nathanw }
138 1.1.2.2 nathanw
139 1.1.2.2 nathanw /* ARGSUSED */
140 1.1.2.2 nathanw static void
141 1.1.2.2 nathanw vmetwoisrlink(cookie, fn, arg, ipl, vec, evcnt)
142 1.1.2.2 nathanw void *cookie;
143 1.1.2.2 nathanw int (*fn)(void *);
144 1.1.2.2 nathanw void *arg;
145 1.1.2.2 nathanw int ipl, vec;
146 1.1.2.2 nathanw struct evcnt *evcnt;
147 1.1.2.2 nathanw {
148 1.1.2.2 nathanw
149 1.1.2.2 nathanw isrlink_vectored(fn, arg, ipl, vec, evcnt);
150 1.1.2.2 nathanw }
151 1.1.2.2 nathanw
152 1.1.2.2 nathanw /* ARGSUSED */
153 1.1.2.2 nathanw static void
154 1.1.2.2 nathanw vmetwoisrunlink(cookie, vec)
155 1.1.2.2 nathanw void *cookie;
156 1.1.2.2 nathanw int vec;
157 1.1.2.2 nathanw {
158 1.1.2.2 nathanw
159 1.1.2.2 nathanw isrunlink_vectored(vec);
160 1.1.2.2 nathanw }
161 1.1.2.2 nathanw
162 1.1.2.2 nathanw /* ARGSUSED */
163 1.1.2.2 nathanw static struct evcnt *
164 1.1.2.2 nathanw vmetwoisrevcnt(cookie, ipl)
165 1.1.2.2 nathanw void *cookie;
166 1.1.2.2 nathanw int ipl;
167 1.1.2.2 nathanw {
168 1.1.2.2 nathanw
169 1.1.2.2 nathanw return (isrlink_evcnt(ipl));
170 1.1.2.2 nathanw }
171