1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* $OpenBSD: tcasic.c,v 1.9 2002/03/14 01:26:28 millert Exp $ */
/* $NetBSD: tcasic.c,v 1.14 1996/12/05 01:39:45 cgd Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/rpb.h>
#include <dev/tc/tcvar.h>
#include <alpha/tc/tc_conf.h>
/* Definition of the driver for autoconfig. */
#ifdef __BROKEN_INDIRECT_CONFIG
int tcasicmatch(struct device *, void *, void *);
#else
int tcasicmatch(struct device *, struct cfdata *, void *);
#endif
void tcasicattach(struct device *, struct device *, void *);
struct cfattach tcasic_ca = {
sizeof (struct device), tcasicmatch, tcasicattach,
};
struct cfdriver tcasic_cd = {
NULL, "tcasic", DV_DULL,
};
int tcasicprint(void *, const char *);
extern int cputype;
/* There can be only one. */
int tcasicfound;
int
tcasicmatch(parent, cfdata, aux)
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *cfdata;
#else
struct cfdata *cfdata;
#endif
void *aux;
{
struct mainbus_attach_args *ma = aux;
/* Make sure that we're looking for a TurboChannel ASIC. */
if (strcmp(ma->ma_name, tcasic_cd.cd_name))
return (0);
/* Make sure that the system supports a TurboChannel ASIC. */
if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300))
return (0);
if (tcasicfound)
return (0);
return (1);
}
void
tcasicattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct tcbus_attach_args tba;
void (*intr_setup)(void);
void (*iointr)(void *, unsigned long);
printf("\n");
tcasicfound = 1;
switch (cputype) {
#ifdef DEC_3000_500
case ST_DEC_3000_500:
intr_setup = tc_3000_500_intr_setup;
iointr = tc_3000_500_iointr;
tba.tba_busname = "tc";
tba.tba_speed = TC_SPEED_25_MHZ;
tba.tba_nslots = tc_3000_500_nslots;
tba.tba_slots = tc_3000_500_slots;
if (hwrpb->rpb_variation & SV_GRAPHICS) {
tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins;
tba.tba_builtins = tc_3000_500_graphics_builtins;
} else {
tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins;
tba.tba_builtins = tc_3000_500_nographics_builtins;
}
tba.tba_intr_establish = tc_3000_500_intr_establish;
tba.tba_intr_disestablish = tc_3000_500_intr_disestablish;
break;
#endif /* DEC_3000_500 */
#ifdef DEC_3000_300
case ST_DEC_3000_300:
intr_setup = tc_3000_300_intr_setup;
iointr = tc_3000_300_iointr;
tba.tba_busname = "tc";
tba.tba_speed = TC_SPEED_12_5_MHZ;
tba.tba_nslots = tc_3000_300_nslots;
tba.tba_slots = tc_3000_300_slots;
tba.tba_nbuiltins = tc_3000_300_nbuiltins;
tba.tba_builtins = tc_3000_300_builtins;
tba.tba_intr_establish = tc_3000_300_intr_establish;
tba.tba_intr_disestablish = tc_3000_300_intr_disestablish;
break;
#endif /* DEC_3000_300 */
default:
panic("tcasicattach: bad cputype");
}
tba.tba_memt = tc_bus_mem_init(NULL);
/* XXX XXX BEGIN XXX XXX */
{ /* XXX */
extern vm_offset_t alpha_XXX_dmamap_or; /* XXX */
alpha_XXX_dmamap_or = 0; /* XXX */
} /* XXX */
/* XXX XXX END XXX XXX */
(*intr_setup)();
set_iointr(iointr);
config_found(self, &tba, tcasicprint);
}
int
tcasicprint(aux, pnp)
void *aux;
const char *pnp;
{
/* only TCs can attach to tcasics; easy. */
if (pnp)
printf("tc at %s", pnp);
return (UNCONF);
}
|