xref: /netbsd-src/sys/arch/hp300/dev/intio.c (revision 1ffa7b76c40339c17a0fb2a09fac93f287cfc046)
1 /*	$NetBSD: intio.c,v 1.14 2003/01/01 01:34:46 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 1.14 2003/01/01 01:34:46 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 	{ "dma",	0x100000,	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 	{ "dma",	0x100000,	1},
81 };
82 #define nintio_4xx_builtins \
83 	(sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
84 #endif
85 
86 static int intio_matched = 0;
87 
88 int
89 intiomatch(parent, match, aux)
90 	struct device *parent;
91 	struct cfdata *match;
92 	void *aux;
93 {
94 	/* Allow only one instance. */
95 	if (intio_matched)
96 		return (0);
97 
98 	intio_matched = 1;
99 	return (1);
100 }
101 
102 void
103 intioattach(parent, self, aux)
104 	struct device *parent, *self;
105 	void *aux;
106 {
107 	struct intio_attach_args ia;
108 	const struct intio_builtins *ib;
109 	int ndevs;
110 	int i;
111 
112 	printf("\n");
113 
114 	switch (machineid) {
115 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
116     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
117     defined(HP380) || defined(HP385)
118 	case HP_320:
119 	case HP_330:
120 	case HP_340:
121 	case HP_345:
122 	case HP_350:
123 	case HP_360:
124 	case HP_370:
125 	case HP_375:
126 	case HP_380:
127 	case HP_385:
128 		ib = intio_3xx_builtins;
129 		ndevs = nintio_3xx_builtins;
130 		break;
131 #endif
132 #if defined(HP400) || defined(HP425) || defined(HP433)
133 	case HP_400:
134 	case HP_425:
135 	case HP_433:
136 		ib = intio_4xx_builtins;
137 		ndevs = nintio_4xx_builtins;
138 		break;
139 #endif
140 	default:
141 		return;
142 	}
143 
144 	memset(&ia, 0, sizeof(ia));
145 
146 	for (i=0; i<ndevs; i++) {
147 		strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
148 		ia.ia_modname[INTIO_MOD_LEN] = '\0';
149 		ia.ia_bst = HP300_BUS_SPACE_INTIO;
150 		ia.ia_iobase = ib[i].ib_offset;
151 		ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
152 		ia.ia_ipl = ib[i].ib_ipl;
153 		config_found(self, &ia, intioprint);
154 	}
155 }
156 
157 int
158 intioprint(aux, pnp)
159 	void *aux;
160 	const char *pnp;
161 {
162 	struct intio_attach_args *ia = aux;
163 
164 	if (pnp != NULL)
165 		aprint_normal("%s at %s", ia->ia_modname, pnp);
166 	if (ia->ia_iobase != 0) {
167                 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
168 		if (ia->ia_ipl != -1 && pnp != NULL)
169 			aprint_normal(" ipl %d", ia->ia_ipl);
170 	}
171 	return (UNCONF);
172 }
173