1 /*        $NetBSD: ibus_pmax.c,v 1.24 2016/11/16 19:37:06 macallan 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 1.24 2016/11/16 19:37:06 macallan Exp $");
35 
36 #include "opt_dec_3100.h"
37 #include "opt_dec_5100.h"
38 
39 #include <sys/param.h>
40 #include <sys/device.h>
41 #include <sys/systm.h>
42 
43 #include <pmax/ibus/ibusvar.h>
44 
45 #include <pmax/autoconf.h>
46 #include <pmax/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(device_t, cfdata_t, void *);
53 static void         ibus_pmax_attach(device_t, device_t, void *);
54 
55 CFATTACH_DECL_NEW(ibus_pmax, 0,
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 #endif /* DEC_3100 */
69 
70 #ifdef DEC_5100
71 static struct ibus_attach_args ibus_mipsmate_devs[] = {
72           { "dc",             SYS_DEV_SCC0,       KV(KN230_SYS_DZ0),  0 },
73           { "lance",          SYS_DEV_LANCE,      KV(KN230_SYS_LANCE),          0 },
74           { "sii",  SYS_DEV_SCSI,       KV(KN230_SYS_SII),  0 },
75           { "mc146818",       SYS_DEV_BOGUS,      KV(KN230_SYS_CLOCK),          0 },
76 #if 0     /* 5100 locks up when these are probed at the moment */
77           { "dc",             SYS_DEV_OPT0,       KV(KN230_SYS_DZ1),  0 },
78           { "dc",             SYS_DEV_OPT1,       KV(KN230_SYS_DZ2),  0 },
79           /*
80            * Ultrix configures it at 0x86400400.  The first 0x400 bytes
81            * used for NVRAM state??
82            *
83            * The first 0x400 bytes are apparently used for diagnostic
84            * registers - ad
85            */
86           { "nvram",          SYS_DEV_BOGUS,      KV(0x86400000),               0 },
87 #endif
88 };
89 #endif /* DEC_5100 */
90 
91 static int ibus_attached;
92 
93 static int
ibus_pmax_match(device_t parent,cfdata_t cf,void * aux)94 ibus_pmax_match(device_t parent, cfdata_t cf, void *aux)
95 {
96           struct mainbus_attach_args *ma = aux;
97 
98           if (ibus_attached)
99                     return (0);
100           if (systype != DS_PMAX && systype != DS_MIPSMATE)
101                     return (0);
102           if (strcmp(ma->ma_name, "baseboard") != 0)
103                     return (0);
104 
105           return (1);
106 }
107 
108 static void
ibus_pmax_attach(device_t parent,device_t self,void * aux)109 ibus_pmax_attach(device_t parent, device_t self, void *aux)
110 {
111           struct ibus_dev_attach_args ida;
112 
113           ibus_attached = 1;
114 
115           ida.ida_busname = "ibus";
116           ida.ida_memt = normal_memt;
117           switch (systype) {
118 #ifdef DEC_3100
119           case DS_PMAX:
120                     ida.ida_devs = ibus_pmax_devs;
121                     ida.ida_ndevs = __arraycount(ibus_pmax_devs);
122                     break;
123 #endif
124 #ifdef DEC_5100
125           case DS_MIPSMATE:
126                     ida.ida_devs = ibus_mipsmate_devs;
127                     ida.ida_ndevs = __arraycount(ibus_mipsmate_devs);
128                     break;
129 #endif
130           default:
131                     panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
132           }
133 
134           ibusattach(parent, self, &ida);
135 }
136