xref: /netbsd-src/sys/arch/pmax/ibus/ibus_pmax.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: ibus_pmax.c,v 1.21 2009/03/14 21:04:14 dsl Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Jonathan Stone for
17  *      the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
34 __KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.21 2009/03/14 21:04:14 dsl Exp $");
35 
36 #include "opt_dec_3100.h"
37 #include "opt_dec_5100.h"
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 
43 #include <pmax/ibus/ibusvar.h>
44 
45 #include <machine/autoconf.h>
46 #include <machine/sysconf.h>
47 
48 #include <pmax/pmax/kn01.h>
49 #include <pmax/pmax/kn230.h>
50 #include <pmax/pmax/pmaxtype.h>
51 
52 static int	ibus_pmax_match(struct device *, struct cfdata *, void *);
53 static void	ibus_pmax_attach(struct device *, struct device *, void *);
54 
55 CFATTACH_DECL(ibus_pmax, sizeof(struct ibus_softc),
56     ibus_pmax_match, ibus_pmax_attach, NULL, NULL);
57 
58 #define KV(x)	MIPS_PHYS_TO_KSEG1(x)
59 
60 #ifdef DEC_3100
61 static struct ibus_attach_args ibus_pmax_devs[] = {
62         { "pm",         SYS_DEV_BOGUS,	KV(KN01_PHYS_FBUF_START), 0	},
63         { "dc",         SYS_DEV_SCC0,	KV(KN01_SYS_DZ),        0	},
64         { "lance",      SYS_DEV_LANCE,	KV(KN01_SYS_LANCE),     0	},
65         { "sii",        SYS_DEV_SCSI,	KV(KN01_SYS_SII),       0	},
66         { "mc146818",   SYS_DEV_BOGUS,	KV(KN01_SYS_CLOCK),     0	},
67 };
68 static const int ibus_pmax_ndevs =
69 	sizeof(ibus_pmax_devs)/sizeof(ibus_pmax_devs[0]);
70 #endif /* DEC_3100 */
71 
72 #ifdef DEC_5100
73 static struct ibus_attach_args ibus_mipsmate_devs[] = {
74 	{ "dc",		SYS_DEV_SCC0,	KV(KN230_SYS_DZ0),	0 },
75 	{ "lance",	SYS_DEV_LANCE,	KV(KN230_SYS_LANCE),	0 },
76 	{ "sii",	SYS_DEV_SCSI,	KV(KN230_SYS_SII),	0 },
77 	{ "mc146818",	SYS_DEV_BOGUS,	KV(KN230_SYS_CLOCK),	0 },
78 #if 0	/* 5100 locks up when these are probed at the moment */
79 	{ "dc",		SYS_DEV_OPT0,	KV(KN230_SYS_DZ1),	0 },
80 	{ "dc",		SYS_DEV_OPT1,	KV(KN230_SYS_DZ2),	0 },
81 	/*
82 	 * Ultrix configures it at 0x86400400.  The first 0x400 bytes
83 	 * used for NVRAM state??
84 	 *
85 	 * The first 0x400 bytes are apparently used for diagnostic
86 	 * registers - ad
87 	 */
88 	{ "nvram",	SYS_DEV_BOGUS,	KV(0x86400000),		0 },
89 #endif
90 };
91 static const int ibus_mipsmate_ndevs =
92 	sizeof(ibus_mipsmate_devs)/sizeof(ibus_mipsmate_devs[0]);
93 #endif /* DEC_5100 */
94 
95 static int ibus_attached;
96 
97 static int
98 ibus_pmax_match(struct device *parent, struct cfdata *cfdata, void *aux)
99 {
100 	struct mainbus_attach_args *ma = aux;
101 
102 	if (ibus_attached)
103 		return (0);
104 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
105 		return (0);
106 	if (strcmp(ma->ma_name, "baseboard") != 0)
107 		return (0);
108 
109 	return (1);
110 }
111 
112 static void
113 ibus_pmax_attach(struct device *parent, struct device *self, void *aux)
114 {
115 	struct ibus_dev_attach_args ida;
116 
117 	ibus_attached = 1;
118 
119 	ida.ida_busname = "ibus";
120 	switch (systype) {
121 #ifdef DEC_3100
122 	case DS_PMAX:
123 		ida.ida_devs = ibus_pmax_devs;
124 		ida.ida_ndevs = ibus_pmax_ndevs;
125 		break;
126 #endif
127 #ifdef DEC_5100
128 	case DS_MIPSMATE:
129 		ida.ida_devs = ibus_mipsmate_devs;
130 		ida.ida_ndevs = ibus_mipsmate_ndevs;
131 		break;
132 #endif
133 	default:
134 		panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
135 	}
136 
137 	ibusattach(parent, self, &ida);
138 }
139