Annotation of sys/arch/sparc/include/autoconf.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: autoconf.h,v 1.16 2007/05/04 03:44:44 deraadt Exp $ */
2: /* $NetBSD: autoconf.h,v 1.20 1997/05/24 20:03:03 pk Exp $ */
3:
4: /*
5: * Copyright (c) 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This software was developed by the Computer Systems Engineering group
9: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10: * contributed to Berkeley.
11: *
12: * All advertising materials mentioning features or use of this software
13: * must display the following acknowledgement:
14: * This product includes software developed by the University of
15: * California, Lawrence Berkeley Laboratory.
16: *
17: * Redistribution and use in source and binary forms, with or without
18: * modification, are permitted provided that the following conditions
19: * are met:
20: * 1. Redistributions of source code must retain the above copyright
21: * notice, this list of conditions and the following disclaimer.
22: * 2. Redistributions in binary form must reproduce the above copyright
23: * notice, this list of conditions and the following disclaimer in the
24: * documentation and/or other materials provided with the distribution.
25: * 3. Neither the name of the University nor the names of its contributors
26: * may be used to endorse or promote products derived from this software
27: * without specific prior written permission.
28: *
29: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39: * SUCH DAMAGE.
40: *
41: * @(#)autoconf.h 8.2 (Berkeley) 9/30/93
42: */
43:
44: /*
45: * Autoconfiguration information.
46: */
47:
48: /*
49: * Most devices are configured according to information kept in
50: * the FORTH PROMs. In particular, we extract the `name', `reg',
51: * and `address' properties of each device attached to the mainbus;
52: * other drives may also use this information. The mainbus itself
53: * (which `is' the CPU, in some sense) gets just the node, with a
54: * fake name ("mainbus").
55: */
56:
57: #define RA_MAXVADDR 8 /* max (virtual) addresses per device */
58: #define RA_MAXREG 16 /* max # of register banks per device */
59: #define RA_MAXINTR 8 /* max interrupts per device */
60:
61: struct romaux {
62: const char *ra_name; /* name from FORTH PROM */
63: int ra_node; /* FORTH PROM node ID */
64: void *ra_vaddrs[RA_MAXVADDR];/* ROM mapped virtual addresses */
65: int ra_nvaddrs; /* # of ra_vaddrs[]s, may be 0 */
66: #define ra_vaddr ra_vaddrs[0] /* compatibility */
67:
68: struct rom_reg {
69: int rr_iospace; /* register space (obio, etc) */
70: void *rr_paddr; /* register physical address */
71: int rr_len; /* register length */
72: } ra_reg[RA_MAXREG];
73: int ra_nreg; /* # of ra_reg[]s */
74: #define ra_iospace ra_reg[0].rr_iospace
75: #define ra_paddr ra_reg[0].rr_paddr
76: #define ra_len ra_reg[0].rr_len
77:
78: struct rom_intr { /* interrupt information: */
79: int int_pri; /* priority (IPL) */
80: int int_vec; /* vector (always 0?) */
81: } ra_intr[RA_MAXINTR];
82: int ra_nintr; /* number of interrupt info elements */
83:
84: struct bootpath *ra_bp; /* used for locating boot device */
85: };
86:
87: struct rom_range { /* Only used on v3 PROMs */
88: u_int32_t cspace; /* Client space */
89: u_int32_t coffset; /* Client offset */
90: u_int32_t pspace; /* Parent space */
91: u_int32_t poffset; /* Parent offset */
92: u_int32_t size; /* Size in bytes of this range */
93: };
94:
95:
96: struct confargs {
97: int ca_bustype;
98: struct romaux ca_ra;
99: int ca_slot;
100: int ca_offset;
101: };
102: #define BUS_MAIN 0
103: #define BUS_OBIO 1
104: #define BUS_VME16 2
105: #define BUS_VME32 3
106: #define BUS_SBUS 4
107: #define BUS_XBOX 5
108: #define BUS_FGA 6
109: #define BUS_FGA_A16D8 7
110: #define BUS_FGA_A16D16 8
111: #define BUS_FGA_A16D32 9
112: #define BUS_FGA_A24D8 10
113: #define BUS_FGA_A24D16 11
114: #define BUS_FGA_A24D32 12
115: #define BUS_FGA_A32D8 13
116: #define BUS_FGA_A32D16 14
117: #define BUS_FGA_A32D32 15
118:
119: /*
120: * mapiodev maps an I/O device to a virtual address, returning the address.
121: * mapdev does the real work: you can supply a special virtual address and
122: * it will use that instead of creating one, but you must only do this if
123: * you get it from ../sparc/vaddrs.h.
124: */
125: void *mapdev(struct rom_reg *pa, int va, int offset, int size);
126: #define mapiodev(pa, offset, size) \
127: mapdev(pa, 0, offset, size)
128: /*
129: * REG2PHYS is provided for drivers with a `d_mmap' function.
130: */
131: #define REG2PHYS(rr, offset) \
132: (((u_int)(rr)->rr_paddr + (offset)) | PMAP_IOENC((rr)->rr_iospace) )
133:
134: /* For VME and sun4/obio busses */
135: void *bus_map(struct rom_reg *, int);
136: void bus_untmp(void);
137:
138: /*
139: * The various getprop* functions obtain `properties' from the ROMs.
140: * getprop() obtains a property as a byte-sequence, and returns its
141: * length; the others convert or make some other guarantee.
142: */
143: int getproplen(int node, char *name);
144: int getprop(int node, char *name, void *buf, int bufsiz);
145: char *getpropstring(int node, char *name);
146: int getpropint(int node, char *name, int deflt);
147:
148: /* Frequently used options node */
149: extern int optionsnode;
150: /* Machine type */
151: extern char mainbus_model[30];
152:
153: /*
154: * The romprop function gets physical and virtual addresses from the PROM
155: * and fills in a romaux. It returns 1 on success, 0 if the physical
156: * address is not available as a "reg" property.
157: */
158: int romprop(struct romaux *ra, const char *name, int node);
159:
160: /*
161: * `clockfreq' produces a printable representation of a clock frequency
162: * (this is just a frill).
163: */
164: char *clockfreq(int freq);
165:
166: /*
167: * Memory description arrays. Shared between pmap.c and autoconf.c; no
168: * one else should use this (except maybe mem.c, e.g., if we fix the VM to
169: * handle discontiguous physical memory).
170: */
171: struct memarr {
172: u_int addr;
173: u_int len;
174: };
175: int makememarr(struct memarr *, int max, int which);
176: #define MEMARR_AVAILPHYS 0
177: #define MEMARR_TOTALPHYS 1
178:
179: /* Pass a string to the FORTH interpreter. May fail silently. */
180: void rominterpret(char *);
181:
182: /* Openprom V2 style boot path */
183: struct device;
184: struct bootpath {
185: char name[16]; /* name of this node */
186: int val[3]; /* up to three optional values */
187: struct device *dev; /* device that recognised this component */
188: };
189:
190: struct bootpath *bootpath_store(int, struct bootpath *);
191: int sd_crazymap(int);
192:
193: void bootstrap(void);
194: int firstchild(int);
195: int nextsibling(int);
196: void callrom(void);
197: struct device *getdevunit(char *, int);
198: void *findzs(int);
199: int romgetcursoraddr(int **, int **);
200: int findroot(void);
201: int findnode(int, const char *);
202: int opennode(char *);
203: int node_has_property(int, const char *);
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