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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* $NetBSD: autoconf.h,v 1.9 1995/03/08 15:51:03 pk Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)autoconf.h 8.2 (Berkeley) 9/30/93
*/
/*
* Autoconfiguration information.
*/
/*
* Most devices are configured according to information kept in
* the FORTH PROMs. In particular, we extract the `name', `reg',
* and `address' properties of each device attached to the mainbus;
* other drives may also use this information. The mainbus itself
* (which `is' the CPU, in some sense) gets just the node, with a
* fake name ("mainbus").
*/
#define RA_MAXVADDR 4 /* max (virtual) addresses per device */
#define RA_MAXREG 2 /* max # of register banks per device */
#define RA_MAXINTR 8 /* max interrupts per device */
struct romaux {
const char *ra_name; /* name from FORTH PROM */
int ra_node; /* FORTH PROM node ID */
void *ra_vaddrs[RA_MAXVADDR];/* ROM mapped virtual addresses */
int ra_nvaddrs; /* # of ra_vaddrs[]s, may be 0 */
#define ra_vaddr ra_vaddrs[0] /* compatibility */
struct rom_reg {
int rr_iospace; /* register space (obio, etc) */
void *rr_paddr; /* register physical address */
int rr_len; /* register length */
} ra_reg[RA_MAXREG];
int ra_nreg; /* # of ra_reg[]s */
#define ra_iospace ra_reg[0].rr_iospace
#define ra_paddr ra_reg[0].rr_paddr
#define ra_len ra_reg[0].rr_len
struct rom_intr { /* interrupt information: */
int int_pri; /* priority (IPL) */
int int_vec; /* vector (always 0?) */
} ra_intr[RA_MAXINTR];
int ra_nintr; /* number of interrupt info elements */
struct bootpath *ra_bp; /* used for locating boot device */
int ra_pfour; /* p4 register, for BUS_PFOUR devices */
};
struct confargs {
int ca_bustype;
struct romaux ca_ra;
int ca_slot;
int ca_offset;
};
#define BUS_MAIN 0
#define BUS_OBIO 1
#define BUS_VME16 2
#define BUS_VME32 3
#define BUS_SBUS 4
#define BUS_PFOUR 5
extern int bt2pmt[];
/*
* The various getprop* functions obtain `properties' from the ROMs.
* getprop() obtains a property as a byte-sequence, and returns its
* length; the others convert or make some other guarantee.
*/
int getprop __P((int node, char *name, void *buf, int bufsiz));
char *getpropstring __P((int node, char *name));
int getpropint __P((int node, char *name, int deflt));
/* Frequently used options node */
extern int optionsnode;
/*
* The romprop function gets physical and virtual addresses from the PROM
* and fills in a romaux. It returns 1 on success, 0 if the physical
* address is not available as a "reg" property.
*/
int romprop __P((struct romaux *ra, const char *name, int node));
/*
* The matchbyname function is useful in drivers that are matched
* by romaux name, i.e., all `mainbus attached' devices. It expects
* its aux pointer to point to a pointer to the name (the address of
* a romaux structure suffices, for instance).
*/
int matchbyname __P((struct device *, void *cf, void *aux));
/*
* `clockfreq' produces a printable representation of a clock frequency
* (this is just a frill).
*/
char *clockfreq __P((int freq));
/*
* mapiodev maps an I/O device to a virtual address, returning the address.
* mapdev does the real work: you can supply a special virtual address and
* it will use that instead of creating one, but you must only do this if
* you get it from ../sparc/vaddrs.h.
*/
void *mapdev __P((struct rom_reg *rr, int va, int offset,
int size, int bustype));
#define mapiodev(rr, offset, size, bustype) mapdev(rr, 0, offset, size, bustype)
void *bus_map __P((void *pa, int len, int bustype));
void *bus_tmp __P((void *pa, int bustype));
void bus_untmp __P((void));
#ifdef notyet
/*
* REG2PHYS is provided for drivers with a `d_mmap' function.
*/
#define REG2PHYS(rr, offset, bt) \
(((u_int)(rr)->rr_paddr + (offset)) | \
((cputyp == CPU_SUN4M) \
? ((rr)->rr_iospace << PMAP_SHFT4M) \
: bt2pmt[bt]) \
)
#else
#define REG2PHYS(rr, offset, bt) \
(((u_int)(rr)->rr_paddr + (offset)) | (bt2pmt[bt]) \
)
#endif
/*
* Memory description arrays. Shared between pmap.c and autoconf.c; no
* one else should use this (except maybe mem.c, e.g., if we fix the VM to
* handle discontiguous physical memory).
*/
struct memarr {
u_int addr;
u_int len;
};
int makememarr(struct memarr *, int max, int which);
#define MEMARR_AVAILPHYS 0
#define MEMARR_TOTALPHYS 1
/* Pass a string to the FORTH interpreter. May fail silently. */
void rominterpret __P((char *));
/* Openprom V2 style boot path */
struct bootpath {
char name[8]; /* name of this node */
int val[2]; /* up to two optional values */
};
struct device *bootdv; /* found during autoconfiguration */
struct bootpath *bootpath_store __P((int, struct bootpath *));
int sd_crazymap __P((int));
/* Parse a disk string into a dev_t, return device struct pointer */
struct device *parsedisk __P((char *, int, int, dev_t *));
|
