xref: /netbsd-src/sys/arch/hp300/dev/intio.c (revision b519c70ad771d0a55b3c2277db6b97a05fa6465d)
1 /*	$NetBSD: intio.c,v 1.7 2001/11/17 23:33:22 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/param.h>
44 #include <sys/systm.h>
45 #include <sys/device.h>
46 
47 #include <machine/hp300spu.h>
48 
49 #include <hp300/dev/intioreg.h>
50 #include <hp300/dev/intiovar.h>
51 
52 int	intiomatch(struct device *, struct cfdata *, void *);
53 void	intioattach(struct device *, struct device *, void *);
54 int	intioprint(void *, const char *);
55 
56 const struct cfattach intio_ca = {
57 	sizeof(struct device), intiomatch, intioattach
58 };
59 
60 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
61     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
62     defined(HP380) || defined(HP385)
63 const struct intio_builtins intio_3xx_builtins[] = {
64 	{ "rtc     ",	0x020000,	-1},
65 	{ "hil     ",	0x028000,	1},
66 	{ "fb      ",	0x160000,	-1},
67 };
68 #define nintio_3xx_builtins \
69 	(sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
70 #endif
71 
72 #if defined(HP400) || defined(HP425) || defined(HP433)
73 const struct intio_builtins intio_4xx_builtins[] = {
74 	{ "rtc     ",	0x020000,	-1},
75 	{ "frodo   ",	0x01c000,	5},
76 	{ "hil     ",	0x028000,	1},
77 	{ "fb      ",	0x160000,	-1},
78 };
79 #define nintio_4xx_builtins \
80 	(sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
81 #endif
82 
83 static int intio_matched = 0;
84 
85 int
86 intiomatch(parent, match, aux)
87 	struct device *parent;
88 	struct cfdata *match;
89 	void *aux;
90 {
91 	/* Allow only one instance. */
92 	if (intio_matched)
93 		return (0);
94 
95 	intio_matched = 1;
96 	return (1);
97 }
98 
99 void
100 intioattach(parent, self, aux)
101 	struct device *parent, *self;
102 	void *aux;
103 {
104 	struct intio_attach_args ia;
105 	const struct intio_builtins *ib;
106 	int ndevs;
107 	int i;
108 
109 	printf("\n");
110 
111 	switch (machineid) {
112 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
113     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
114     defined(HP380) || defined(HP385)
115 	case HP_320:
116 	case HP_330:
117 	case HP_340:
118 	case HP_345:
119 	case HP_350:
120 	case HP_360:
121 	case HP_370:
122 	case HP_375:
123 	case HP_380:
124 	case HP_385:
125 		ib = intio_3xx_builtins;
126 		ndevs = nintio_3xx_builtins;
127 		break;
128 #endif
129 #if defined(HP400) || defined(HP425) || defined(HP433)
130 	case HP_400:
131 	case HP_425:
132 	case HP_433:
133 		ib = intio_4xx_builtins;
134 		ndevs = nintio_4xx_builtins;
135 		break;
136 #endif
137 	default:
138 		return;
139 	}
140 
141 	memset(&ia, 0, sizeof(ia));
142 
143 	for (i=0; i<ndevs; i++) {
144 		strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
145 		ia.ia_modname[INTIO_MOD_LEN] = '\0';
146 		ia.ia_bst = HP300_BUS_SPACE_INTIO;
147 		ia.ia_iobase = ib[i].ib_offset;
148 		ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
149 		ia.ia_ipl = ib[i].ib_ipl;
150 		config_found(self, &ia, intioprint);
151 	}
152 }
153 
154 int
155 intioprint(aux, pnp)
156 	void *aux;
157 	const char *pnp;
158 {
159 	struct intio_attach_args *ia = aux;
160 
161 	if (pnp)
162 		printf("%s at %s", ia->ia_modname, pnp);
163 	if (ia->ia_addr != 0) {
164 		printf(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
165 		if (ia->ia_ipl != -1)
166 			printf(" ipl %d", ia->ia_ipl);
167 	}
168 	return (UNCONF);
169 }
170