autoconf.h revision 1.41 1 /* $NetBSD: autoconf.h,v 1.41 2005/06/03 22:17:18 martin 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. Neither the name of the University nor the names of its contributors
61 * may be used to endorse or promote products derived from this software
62 * without specific prior written permission.
63 *
64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
74 * SUCH DAMAGE.
75 *
76 * @(#)autoconf.h 8.2 (Berkeley) 9/30/93
77 */
78
79 /*
80 * Autoconfiguration information.
81 */
82
83 #include <machine/bus.h>
84 #include <machine/bsd_openprom.h>
85 #include <machine/promlib.h>
86 #include <dev/sbus/sbusvar.h>
87
88 /*
89 * Most devices are configured according to information kept in
90 * the FORTH PROMs. In particular, we extract the `name', `reg',
91 * and `address' properties of each device attached to the mainbus;
92 * other drives may also use this information. The mainbus itself
93 * (which `is' the CPU, in some sense) gets just the node, with a
94 * fake name ("mainbus").
95 */
96
97 /* Device register space description */
98 struct rom_reg {
99 u_int32_t rr_iospace; /* register space (obio, etc) */
100 u_int32_t rr_paddr; /* register physical address */
101 u_int32_t rr_len; /* register length */
102 };
103
104 /* Interrupt information */
105 struct rom_intr {
106 u_int32_t int_pri; /* priority (IPL) */
107 u_int32_t int_vec; /* vector (always 0?) */
108 };
109
110 /* Address translation accross busses */
111 struct rom_range { /* Only used on v3 PROMs */
112 u_int32_t cspace; /* Client space */
113 u_int32_t coffset; /* Client offset */
114 u_int32_t pspace; /* Parent space */
115 u_int32_t poffset; /* Parent offset */
116 u_int32_t size; /* Size in bytes of this range */
117 };
118
119 /* Attach arguments presented by mainbus_attach() */
120 struct mainbus_attach_args {
121 bus_space_tag_t ma_bustag; /* parent bus tag */
122 bus_dma_tag_t ma_dmatag;
123 const char *ma_name; /* PROM node name */
124 int ma_node; /* PROM handle */
125 bus_addr_t ma_paddr; /* register physical address */
126 bus_size_t ma_size; /* register physical size */
127 int ma_pri; /* priority (IPL) */
128 void *ma_promvaddr; /* PROM virtual address, if any */
129 };
130
131 /* Attach arguments presented to devices by obio_attach() (sun4 only) */
132 struct obio4_attach_args {
133 int oba_placeholder;/* obio/sbus attach args sharing */
134 bus_space_tag_t oba_bustag; /* parent bus tag */
135 bus_dma_tag_t oba_dmatag;
136 bus_addr_t oba_paddr; /* register physical address */
137 int oba_pri; /* interrupt priority (IPL) */
138 };
139
140 union obio_attach_args {
141 /* sun4m obio space is treated like an sbus slot */
142 int uoba_isobio4;
143 struct sbus_attach_args uoba_sbus; /* Sbus view */
144 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */
145 };
146
147 /* obio specific bus flag */
148 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1
149
150 /* obio bus helper that finds ROM mappings; exported for autoconf.c */
151 int obio_find_rom_map __P((bus_addr_t, int, bus_space_handle_t *));
152
153
154 /*
155 * The matchbyname function is useful in drivers that are matched
156 * by romaux name, i.e., all `mainbus attached' devices. It expects
157 * its aux pointer to point to a pointer to the name (the address of
158 * a romaux structure suffices, for instance). (OBSOLETE)
159 */
160 struct device;
161 struct cfdata;
162 int matchbyname __P((struct device *, struct cfdata *cf, void *aux));
163
164 /*
165 * `clockfreq' produces a printable representation of a clock frequency
166 * (this is just a frill).
167 */
168 char *clockfreq __P((int freq));
169
170 /* Openprom V2 style boot path */
171 struct bootpath {
172 char name[16]; /* name of this node */
173 int val[3]; /* up to three optional values */
174 struct device *dev; /* device that recognised this component */
175 };
176
177 /* Parse a disk string into a dev_t, return device struct pointer */
178 struct device *parsedisk __P((char *, int, int, dev_t *));
179
180 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */
181 void mountroot_hook_establish __P((void (*) __P((struct device *)),
182 struct device *));
183
184 void bootstrap __P((void));
185 struct device *getdevunit __P((const char *, int));
186 int romgetcursoraddr __P((int **, int **));
187