xref: /netbsd/sys/arch/hp300/dev/intio.c (revision bf9ec67e)
1 /*	$NetBSD: intio.c,v 1.11 2002/05/05 22:55:49 gmcgarry 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 1.11 2002/05/05 22:55:49 gmcgarry 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 const struct cfattach intio_ca = {
60 	sizeof(struct device), intiomatch, intioattach
61 };
62 
63 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
64     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
65     defined(HP380) || defined(HP385)
66 const struct intio_builtins intio_3xx_builtins[] = {
67 	{ "rtc",	0x020000,	-1},
68 	{ "hil",	0x028000,	1},
69 	{ "fb",		0x160000,	-1},
70 };
71 #define nintio_3xx_builtins \
72 	(sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
73 #endif
74 
75 #if defined(HP400) || defined(HP425) || defined(HP433)
76 const struct intio_builtins intio_4xx_builtins[] = {
77 	{ "rtc",	0x020000,	-1},
78 	{ "frodo",	0x01c000,	5},
79 	{ "hil",	0x028000,	1},
80 };
81 #define nintio_4xx_builtins \
82 	(sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
83 #endif
84 
85 static int intio_matched = 0;
86 
87 int
88 intiomatch(parent, match, aux)
89 	struct device *parent;
90 	struct cfdata *match;
91 	void *aux;
92 {
93 	/* Allow only one instance. */
94 	if (intio_matched)
95 		return (0);
96 
97 	intio_matched = 1;
98 	return (1);
99 }
100 
101 void
102 intioattach(parent, self, aux)
103 	struct device *parent, *self;
104 	void *aux;
105 {
106 	struct intio_attach_args ia;
107 	const struct intio_builtins *ib;
108 	int ndevs;
109 	int i;
110 
111 	printf("\n");
112 
113 	switch (machineid) {
114 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
115     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
116     defined(HP380) || defined(HP385)
117 	case HP_320:
118 	case HP_330:
119 	case HP_340:
120 	case HP_345:
121 	case HP_350:
122 	case HP_360:
123 	case HP_370:
124 	case HP_375:
125 	case HP_380:
126 	case HP_385:
127 		ib = intio_3xx_builtins;
128 		ndevs = nintio_3xx_builtins;
129 		break;
130 #endif
131 #if defined(HP400) || defined(HP425) || defined(HP433)
132 	case HP_400:
133 	case HP_425:
134 	case HP_433:
135 		ib = intio_4xx_builtins;
136 		ndevs = nintio_4xx_builtins;
137 		break;
138 #endif
139 	default:
140 		return;
141 	}
142 
143 	memset(&ia, 0, sizeof(ia));
144 
145 	for (i=0; i<ndevs; i++) {
146 		strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
147 		ia.ia_modname[INTIO_MOD_LEN] = '\0';
148 		ia.ia_bst = HP300_BUS_SPACE_INTIO;
149 		ia.ia_iobase = ib[i].ib_offset;
150 		ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
151 		ia.ia_ipl = ib[i].ib_ipl;
152 		config_found(self, &ia, intioprint);
153 	}
154 }
155 
156 int
157 intioprint(aux, pnp)
158 	void *aux;
159 	const char *pnp;
160 {
161 	struct intio_attach_args *ia = aux;
162 
163 	if (pnp != NULL)
164 		printf("%s at %s", ia->ia_modname, pnp);
165 	if (ia->ia_iobase != 0) {
166                 printf(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
167 		if (ia->ia_ipl != -1 && pnp != NULL)
168 			printf(" ipl %d", ia->ia_ipl);
169 	}
170 	return (UNCONF);
171 }
172