intio.c revision 1.18 1 /* $NetBSD: intio.c,v 1.18 2003/11/17 14:37:59 tsutsui Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 1998, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Autoconfiguration support for hp300 internal i/o space.
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.18 2003/11/17 14:37:59 tsutsui Exp $");
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/device.h>
49
50 #include <machine/hp300spu.h>
51
52 #include <hp300/dev/intioreg.h>
53 #include <hp300/dev/intiovar.h>
54
55 struct intio_softc {
56 struct device sc_dev;
57 struct bus_space_tag sc_tag;
58 };
59
60 int intiomatch(struct device *, struct cfdata *, void *);
61 void intioattach(struct device *, struct device *, void *);
62 int intioprint(void *, const char *);
63
64 CFATTACH_DECL(intio, sizeof(struct intio_softc),
65 intiomatch, intioattach, NULL, NULL);
66
67 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
68 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
69 defined(HP380) || defined(HP385)
70 const struct intio_builtins intio_3xx_builtins[] = {
71 { "rtc", 0x020000, -1},
72 { "hil", 0x028000, 1},
73 { "hpib", 0x078000, 3},
74 { "dma", 0x100000, 1},
75 { "fb", 0x160000, -1},
76 };
77 #define nintio_3xx_builtins \
78 (sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
79 #endif
80
81 #if defined(HP400) || defined(HP425) || defined(HP433)
82 const struct intio_builtins intio_4xx_builtins[] = {
83 { "rtc", 0x020000, -1},
84 { "frodo", 0x01c000, 5},
85 { "hil", 0x028000, 1},
86 { "hpib", 0x078000, 3},
87 { "dma", 0x100000, 1},
88 };
89 #define nintio_4xx_builtins \
90 (sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
91 #endif
92
93 static int intio_matched = 0;
94 extern caddr_t internalhpib;
95
96 int
97 intiomatch(parent, match, aux)
98 struct device *parent;
99 struct cfdata *match;
100 void *aux;
101 {
102 /* Allow only one instance. */
103 if (intio_matched)
104 return (0);
105
106 intio_matched = 1;
107 return (1);
108 }
109
110 void
111 intioattach(parent, self, aux)
112 struct device *parent, *self;
113 void *aux;
114 {
115 struct intio_softc *sc = (struct intio_softc *)self;
116 struct intio_attach_args ia;
117 const struct intio_builtins *ib;
118 bus_space_tag_t bst = &sc->sc_tag;
119 int ndevs;
120 int i;
121
122 printf("\n");
123
124 memset(bst, 0, sizeof(struct bus_space_tag));
125 bst->bustype = HP300_BUS_SPACE_INTIO;
126
127 switch (machineid) {
128 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
129 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
130 defined(HP380) || defined(HP385)
131 case HP_320:
132 case HP_330:
133 case HP_340:
134 case HP_345:
135 case HP_350:
136 case HP_360:
137 case HP_370:
138 case HP_375:
139 case HP_380:
140 case HP_385:
141 ib = intio_3xx_builtins;
142 ndevs = nintio_3xx_builtins;
143 break;
144 #endif
145 #if defined(HP400) || defined(HP425) || defined(HP433)
146 case HP_400:
147 case HP_425:
148 case HP_433:
149 ib = intio_4xx_builtins;
150 ndevs = nintio_4xx_builtins;
151 break;
152 #endif
153 default:
154 return;
155 }
156
157 memset(&ia, 0, sizeof(ia));
158
159 for (i = 0; i < ndevs; i++) {
160
161 /*
162 * Internal HP-IB doesn't always return a device ID,
163 * so we rely on the sysflags.
164 */
165 if (ib[i].ib_offset == 0x078000 && !internalhpib)
166 continue;
167
168 strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
169 ia.ia_modname[INTIO_MOD_LEN] = '\0';
170 ia.ia_bst = bst;
171 ia.ia_iobase = ib[i].ib_offset;
172 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
173 ia.ia_ipl = ib[i].ib_ipl;
174 config_found(self, &ia, intioprint);
175 }
176 }
177
178 int
179 intioprint(aux, pnp)
180 void *aux;
181 const char *pnp;
182 {
183 struct intio_attach_args *ia = aux;
184
185 if (pnp != NULL)
186 aprint_normal("%s at %s", ia->ia_modname, pnp);
187 if (ia->ia_iobase != 0 && pnp == NULL) {
188 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
189 if (ia->ia_ipl != -1)
190 aprint_normal(" ipl %d", ia->ia_ipl);
191 }
192 return (UNCONF);
193 }
194