autoconf.h revision 1.2 1 /* $NetBSD: autoconf.h,v 1.2 1998/08/13 02:10:44 eeh Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Paul Kranenburg.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 1992, 1993
41 * The Regents of the University of California. All rights reserved.
42 *
43 * This software was developed by the Computer Systems Engineering group
44 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
45 * contributed to Berkeley.
46 *
47 * All advertising materials mentioning features or use of this software
48 * must display the following acknowledgement:
49 * This product includes software developed by the University of
50 * California, Lawrence Berkeley Laboratory.
51 *
52 * Redistribution and use in source and binary forms, with or without
53 * modification, are permitted provided that the following conditions
54 * are met:
55 * 1. Redistributions of source code must retain the above copyright
56 * notice, this list of conditions and the following disclaimer.
57 * 2. Redistributions in binary form must reproduce the above copyright
58 * notice, this list of conditions and the following disclaimer in the
59 * documentation and/or other materials provided with the distribution.
60 * 3. All advertising materials mentioning features or use of this software
61 * must display the following acknowledgement:
62 * This product includes software developed by the University of
63 * California, Berkeley and its contributors.
64 * 4. Neither the name of the University nor the names of its contributors
65 * may be used to endorse or promote products derived from this software
66 * without specific prior written permission.
67 *
68 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
71 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
72 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
73 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
74 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
75 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
76 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
77 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
78 * SUCH DAMAGE.
79 *
80 * @(#)autoconf.h 8.2 (Berkeley) 9/30/93
81 */
82
83 /*
84 * Autoconfiguration information.
85 */
86
87 #include <machine/bus.h>
88 #include <sparc64/dev/upavar.h>
89 #include <sparc64/dev/sbusvar.h>
90
91 /* This is used to map device classes to IPLs */
92 struct intrmap {
93 char *in_class;
94 int in_lev;
95 };
96 extern struct intrmap intrmap[];
97
98 /* The "mainbus" on ultra desktops is actually the UPA bus. We need to
99 * separate this from peripheral buses like SBUS and PCI because each bus may
100 * have different ways of encoding properties, such as "reg" and "interrupts".
101 *
102 * Eventually I'll create a real UPA bus module to allow servers with multiple
103 * peripheral buses and things like FHC bus systems.
104 */
105
106 /* Attach arguments presented by mainbus_attach() */
107 struct mainbus_attach_args {
108 bus_space_tag_t ma_bustag; /* parent bus tag */
109 bus_dma_tag_t ma_dmatag;
110 char *ma_name; /* PROM node name */
111 int ma_node; /* PROM handle */
112 struct upa_reg *ma_reg; /* "reg" properties */
113 int ma_nreg;
114 void* *ma_address; /* "address" properties */
115 int ma_naddress;
116 int *ma_interrupts; /* "interrupts" properties */
117 int ma_ninterrupts;
118 int ma_pri; /* priority (IPL) */
119 struct bootpath *ma_bp; /* used for locating boot device */
120 };
121
122 /* Attach arguments presented to devices by obio_attach() (sun4 only) */
123 struct obio4_attach_args {
124 int oba_placeholder;/* obio/sbus attach args sharing */
125 bus_space_tag_t oba_bustag; /* parent bus tag */
126 bus_dma_tag_t oba_dmatag;
127 bus_addr_t oba_paddr; /* register physical address */
128 int oba_pri; /* interrupt priority (IPL) */
129 struct bootpath *oba_bp; /* used for locating boot device */
130 };
131
132 union obio_attach_args {
133 /* sun4m obio space is treated like an sbus slot */
134 int uoba_isobio4;
135 struct sbus_attach_args uoba_sbus; /* Sbus view */
136 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */
137 };
138
139 #define obio_bus_map(t, a, o, s, f, v, hp) \
140 bus_space_map2(t, 0, (long)(a) + o, s, f, (vaddr_t)v, hp)
141
142 /* obio specific bus flag */
143 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1
144
145 /* obio bus helper that finds ROM mappings; exported for autoconf.c */
146 int obio_find_rom_map __P((bus_addr_t, int,
147 bus_space_handle_t *));
148
149
150 /*
151 * The various getprop* functions obtain `properties' from the ROMs.
152 * getprop() obtains a property as a byte-sequence, and returns its
153 * length; the others convert or make some other guarantee.
154 */
155 int getproplen __P((int node, char *name));
156 int getprop __P((int node, char *name, void *buf, int bufsiz));
157 char *getpropstring __P((int node, char *name));
158 int getpropint __P((int node, char *name, int deflt));
159
160 /* Frequently used options node */
161 extern int optionsnode;
162
163 /* new interfaces: */
164 int getpropA __P((int, char *, int, int *, void **));
165 char *getpropstringA __P((int, char *, char *));
166
167 /*
168 * Helper routines to get some of the more common properties. These
169 * only get the first item in case the property value is an array.
170 * Drivers that "need to know it all" can call getprop() directly.
171 */
172 int getprop_reg1 __P((int, struct sbus_reg *));
173 int getprop_intr1 __P((int, int *));
174 int getprop_address1 __P((int, void **));
175
176
177 /*
178 * The matchbyname function is useful in drivers that are matched
179 * by romaux name, i.e., all `mainbus attached' devices. It expects
180 * its aux pointer to point to a pointer to the name (the address of
181 * a romaux structure suffices, for instance). (OBSOLETE)
182 */
183 struct device;
184 struct cfdata;
185 int matchbyname __P((struct device *, struct cfdata *cf, void *aux));
186
187 /*
188 * `clockfreq' produces a printable representation of a clock frequency
189 * (this is just a frill).
190 */
191 char *clockfreq __P((int freq));
192
193 #if 0
194 /*
195 * Memory description arrays. Shared between pmap.c and autoconf.c; no
196 * one else should use this (except maybe mem.c, e.g., if we fix the VM to
197 * handle discontiguous physical memory).
198 */
199 struct memarr {
200 u_int addr;
201 u_int len;
202 };
203 int makememarr(struct memarr *, int max, int which);
204 #define MEMARR_AVAILPHYS 0
205 #define MEMARR_TOTALPHYS 1
206
207 /* Pass a string to the FORTH interpreter. May fail silently. */
208 void rominterpret __P((char *));
209 #endif
210
211 /* Openprom V2 style boot path */
212 struct bootpath {
213 char name[16]; /* name of this node */
214 int val[3]; /* up to three optional values */
215 struct device *dev; /* device that recognised this component */
216 };
217 struct bootpath *bootpath_store __P((int, struct bootpath *));
218 int sd_crazymap __P((int));
219
220 /* Parse a disk string into a dev_t, return device struct pointer */
221 struct device *parsedisk __P((char *, int, int, dev_t *));
222
223 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */
224 void mountroot_hook_establish __P((void (*) __P((struct device *)),
225 struct device *));
226
227 void configure __P((void));
228 void bootstrap __P((int));
229 int firstchild __P((int));
230 int nextsibling __P((int));
231 void callrom __P((void));
232 void romboot __P((char *));
233 void romhalt __P((void));
234 struct device *getdevunit __P((char *, int));
235 void *findzs __P((int));
236 int romgetcursoraddr __P((int **, int **));
237 int findroot __P((void));
238 int findnode __P((int, const char *));
239 int opennode __P((char *));
240 int node_has_property __P((int, const char *));
241
242