intio.c revision 1.16 1 /* $NetBSD: intio.c,v 1.16 2003/07/05 16:21:17 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 1.16 2003/07/05 16:21:17 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 int intiomatch(struct device *, struct cfdata *, void *);
56 void intioattach(struct device *, struct device *, void *);
57 int intioprint(void *, const char *);
58
59 CFATTACH_DECL(intio, sizeof(struct device),
60 intiomatch, intioattach, NULL, NULL);
61
62 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
63 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
64 defined(HP380) || defined(HP385)
65 const struct intio_builtins intio_3xx_builtins[] = {
66 { "rtc", 0x020000, -1},
67 { "hil", 0x028000, 1},
68 { "hpib", 0x078000, 3},
69 { "dma", 0x100000, 1},
70 { "fb", 0x160000, -1},
71 };
72 #define nintio_3xx_builtins \
73 (sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
74 #endif
75
76 #if defined(HP400) || defined(HP425) || defined(HP433)
77 const struct intio_builtins intio_4xx_builtins[] = {
78 { "rtc", 0x020000, -1},
79 { "frodo", 0x01c000, 5},
80 { "hil", 0x028000, 1},
81 { "hpib", 0x078000, 3},
82 { "dma", 0x100000, 1},
83 };
84 #define nintio_4xx_builtins \
85 (sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
86 #endif
87
88 static int intio_matched = 0;
89 extern caddr_t internalhpib;
90
91 int
92 intiomatch(parent, match, aux)
93 struct device *parent;
94 struct cfdata *match;
95 void *aux;
96 {
97 /* Allow only one instance. */
98 if (intio_matched)
99 return (0);
100
101 intio_matched = 1;
102 return (1);
103 }
104
105 void
106 intioattach(parent, self, aux)
107 struct device *parent, *self;
108 void *aux;
109 {
110 struct intio_attach_args ia;
111 const struct intio_builtins *ib;
112 int ndevs;
113 int i;
114
115 printf("\n");
116
117 switch (machineid) {
118 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
119 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
120 defined(HP380) || defined(HP385)
121 case HP_320:
122 case HP_330:
123 case HP_340:
124 case HP_345:
125 case HP_350:
126 case HP_360:
127 case HP_370:
128 case HP_375:
129 case HP_380:
130 case HP_385:
131 ib = intio_3xx_builtins;
132 ndevs = nintio_3xx_builtins;
133 break;
134 #endif
135 #if defined(HP400) || defined(HP425) || defined(HP433)
136 case HP_400:
137 case HP_425:
138 case HP_433:
139 ib = intio_4xx_builtins;
140 ndevs = nintio_4xx_builtins;
141 break;
142 #endif
143 default:
144 return;
145 }
146
147 memset(&ia, 0, sizeof(ia));
148
149 for (i = 0; i < ndevs; i++) {
150
151 /*
152 * Internal HP-IB doesn't always return a device ID,
153 * so we rely on the sysflags.
154 */
155 if (ib[i].ib_offset == 0x078000 && !internalhpib)
156 continue;
157
158 strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
159 ia.ia_modname[INTIO_MOD_LEN] = '\0';
160 ia.ia_bst = HP300_BUS_SPACE_INTIO;
161 ia.ia_iobase = ib[i].ib_offset;
162 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
163 ia.ia_ipl = ib[i].ib_ipl;
164 config_found(self, &ia, intioprint);
165 }
166 }
167
168 int
169 intioprint(aux, pnp)
170 void *aux;
171 const char *pnp;
172 {
173 struct intio_attach_args *ia = aux;
174
175 if (pnp != NULL)
176 aprint_normal("%s at %s", ia->ia_modname, pnp);
177 if (ia->ia_iobase != 0 && pnp == NULL) {
178 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
179 if (ia->ia_ipl != -1)
180 aprint_normal(" ipl %d", ia->ia_ipl);
181 }
182 return (UNCONF);
183 }
184