xref: /netbsd/sys/arch/hp300/dev/intio.c (revision c4a72b64)
1 /*	$NetBSD: intio.c,v 1.12 2002/10/02 05:15:53 thorpej 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 1.12 2002/10/02 05:15:53 thorpej 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 	{ "fb",		0x160000,	-1},
69 };
70 #define nintio_3xx_builtins \
71 	(sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
72 #endif
73 
74 #if defined(HP400) || defined(HP425) || defined(HP433)
75 const struct intio_builtins intio_4xx_builtins[] = {
76 	{ "rtc",	0x020000,	-1},
77 	{ "frodo",	0x01c000,	5},
78 	{ "hil",	0x028000,	1},
79 };
80 #define nintio_4xx_builtins \
81 	(sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
82 #endif
83 
84 static int intio_matched = 0;
85 
86 int
87 intiomatch(parent, match, aux)
88 	struct device *parent;
89 	struct cfdata *match;
90 	void *aux;
91 {
92 	/* Allow only one instance. */
93 	if (intio_matched)
94 		return (0);
95 
96 	intio_matched = 1;
97 	return (1);
98 }
99 
100 void
101 intioattach(parent, self, aux)
102 	struct device *parent, *self;
103 	void *aux;
104 {
105 	struct intio_attach_args ia;
106 	const struct intio_builtins *ib;
107 	int ndevs;
108 	int i;
109 
110 	printf("\n");
111 
112 	switch (machineid) {
113 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
114     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
115     defined(HP380) || defined(HP385)
116 	case HP_320:
117 	case HP_330:
118 	case HP_340:
119 	case HP_345:
120 	case HP_350:
121 	case HP_360:
122 	case HP_370:
123 	case HP_375:
124 	case HP_380:
125 	case HP_385:
126 		ib = intio_3xx_builtins;
127 		ndevs = nintio_3xx_builtins;
128 		break;
129 #endif
130 #if defined(HP400) || defined(HP425) || defined(HP433)
131 	case HP_400:
132 	case HP_425:
133 	case HP_433:
134 		ib = intio_4xx_builtins;
135 		ndevs = nintio_4xx_builtins;
136 		break;
137 #endif
138 	default:
139 		return;
140 	}
141 
142 	memset(&ia, 0, sizeof(ia));
143 
144 	for (i=0; i<ndevs; i++) {
145 		strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
146 		ia.ia_modname[INTIO_MOD_LEN] = '\0';
147 		ia.ia_bst = HP300_BUS_SPACE_INTIO;
148 		ia.ia_iobase = ib[i].ib_offset;
149 		ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
150 		ia.ia_ipl = ib[i].ib_ipl;
151 		config_found(self, &ia, intioprint);
152 	}
153 }
154 
155 int
156 intioprint(aux, pnp)
157 	void *aux;
158 	const char *pnp;
159 {
160 	struct intio_attach_args *ia = aux;
161 
162 	if (pnp != NULL)
163 		printf("%s at %s", ia->ia_modname, pnp);
164 	if (ia->ia_iobase != 0) {
165                 printf(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
166 		if (ia->ia_ipl != -1 && pnp != NULL)
167 			printf(" ipl %d", ia->ia_ipl);
168 	}
169 	return (UNCONF);
170 }
171