sbusvar.h revision 1.1 1 /* $NetBSD: sbusvar.h,v 1.1 1998/06/20 04:58:51 eeh Exp $ */
2
3 /*-
4 * Copyright (c) 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 * @(#)sbusvar.h 8.1 (Berkeley) 6/11/93
81 */
82
83 #ifndef _SBUS_VAR_H
84 #define _SBUS_VAR_H
85
86 /*
87 * Most devices are configured according to information kept in
88 * the FORTH PROMs. In particular, we extract the `name', `reg',
89 * and `address' properties of each device attached to the mainbus;
90 * other drives may also use this information. The mainbus itself
91 * (which `is' the CPU, in some sense) gets just the node, with a
92 * fake name ("mainbus").
93 */
94
95 /* Device register space description */
96 struct sbus_reg {
97 u_int32_t rr_iospace; /* register space (obio, etc) */
98 u_int32_t rr_paddr; /* register physical address */
99 u_int32_t rr_len; /* register length */
100 };
101
102 /* Interrupt information */
103 struct sbus_intr {
104 u_int32_t int_pri; /* priority (IPL) */
105 u_int32_t int_vec; /* vector (always 0?) */
106 };
107
108 /* Address translation accross busses */
109 struct sbus_range { /* Only used on v3 PROMs */
110 u_int32_t cspace; /* Client space */
111 u_int32_t coffset; /* Client offset */
112 u_int32_t pspace; /* Parent space */
113 u_int32_t poffset; /* Parent offset */
114 u_int32_t size; /* Size in bytes of this range */
115 };
116
117 /*
118 * S-bus variables.
119 */
120 struct sbusdev {
121 struct device *sd_dev; /* backpointer to generic */
122 struct sbusdev *sd_bchain; /* forward link in bus chain */
123 void (*sd_reset) __P((struct device *));
124 };
125
126 /* variables per Sbus */
127 struct sbus_softc {
128 struct device sc_dev; /* base device */
129 bus_space_tag_t sc_bustag;
130 bus_dma_tag_t sc_dmatag;
131 int sc_clockfreq; /* clock frequency (in Hz) */
132 struct sbusdev *sc_sbdev; /* list of all children */
133 struct sbus_range *sc_range;
134 int sc_nrange;
135 int sc_burst; /* burst transfer sizes supported */
136 int *sc_intr2ipl; /* Interrupt level translation */
137 int *sc_intr_compat; /* `intr' property to sbus compat */
138
139 struct sysioreg* sc_sysio; /* SBUS control registers */
140 u_int sc_pagesize;
141 u_int sc_dvmabase;
142 int64_t *sc_tsb; /* TSB vaddr */
143 int sc_tsbsize;
144 vm_offset_t sc_ptsb; /* TSB physaddr */
145 int sc_hasiocache;
146 int sc_ign; /* Interrupt group number for this sysio */
147
148 int32_t sc_flushpa; /* used to flush the SBUS */
149 int64_t sc_flush;
150 };
151
152 /*
153 * Sbus driver attach arguments.
154 */
155 struct sbus_attach_args {
156 bus_space_tag_t sa_bustag;
157 bus_dma_tag_t sa_dmatag;
158 char *sa_name; /* PROM node name */
159 int sa_node; /* PROM handle */
160 int sa_slot; /* Sbus slot number */
161 int sa_offset; /* Sbus slot offset */
162 int sa_size; /* Sbus space size */
163 int sa_pri; /* priority (IPL) */
164 void *sa_promvaddr; /* PROM virtual address, if any */
165 struct bootpath *sa_bp; /* used for locating boot device */
166 };
167
168 /* sbus_attach() is also used from obio.c */
169 #if 0
170 void sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *,
171 const char * const *));
172 #endif
173 int sbus_print __P((void *, const char *));
174
175 int sbusdev_match __P((struct cfdata *, void *));
176 void sbus_establish __P((struct sbusdev *, struct device *));
177
178 int sbus_setup_attach_args __P((
179 struct sbus_softc *,
180 bus_space_tag_t,
181 bus_dma_tag_t,
182 int, /*node*/
183 struct bootpath *,
184 struct sbus_attach_args *));
185
186 #define sbus_bus_map(t, b, a, s, f, v, hp) \
187 bus_space_map2(t, b, a, s, f, v, hp)
188
189 #endif /* _SBUS_VAR_H */
190