plb.c revision 1.1.2.2 1 1.1.2.2 nathanw /* $NetBSD: plb.c,v 1.1.2.2 2002/08/13 02:18:44 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*
4 1.1.2.2 nathanw * Copyright 2001 Wasabi Systems, Inc.
5 1.1.2.2 nathanw * All rights reserved.
6 1.1.2.2 nathanw *
7 1.1.2.2 nathanw * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc.
8 1.1.2.2 nathanw *
9 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
10 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
11 1.1.2.2 nathanw * are met:
12 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
14 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
15 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
16 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
17 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
18 1.1.2.2 nathanw * must display the following acknowledgement:
19 1.1.2.2 nathanw * This product includes software developed for the NetBSD Project by
20 1.1.2.2 nathanw * Wasabi Systems, Inc.
21 1.1.2.2 nathanw * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1.2.2 nathanw * or promote products derived from this software without specific prior
23 1.1.2.2 nathanw * written permission.
24 1.1.2.2 nathanw *
25 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
36 1.1.2.2 nathanw */
37 1.1.2.2 nathanw
38 1.1.2.2 nathanw /*
39 1.1.2.2 nathanw * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
40 1.1.2.2 nathanw *
41 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
42 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
43 1.1.2.2 nathanw * are met:
44 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
45 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
46 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
47 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
48 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
49 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
50 1.1.2.2 nathanw * must display the following acknowledgement:
51 1.1.2.2 nathanw * This product includes software developed by Christopher G. Demetriou
52 1.1.2.2 nathanw * for the NetBSD Project.
53 1.1.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products
54 1.1.2.2 nathanw * derived from this software without specific prior written permission
55 1.1.2.2 nathanw *
56 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
57 1.1.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
58 1.1.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
59 1.1.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
60 1.1.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
61 1.1.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
62 1.1.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
63 1.1.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
64 1.1.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
65 1.1.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 1.1.2.2 nathanw */
67 1.1.2.2 nathanw
68 1.1.2.2 nathanw #include "locators.h"
69 1.1.2.2 nathanw
70 1.1.2.2 nathanw #include <sys/param.h>
71 1.1.2.2 nathanw #include <sys/systm.h>
72 1.1.2.2 nathanw #include <sys/device.h>
73 1.1.2.2 nathanw #include <sys/extent.h>
74 1.1.2.2 nathanw #include <sys/malloc.h>
75 1.1.2.2 nathanw
76 1.1.2.2 nathanw #define _GALAXY_BUS_DMA_PRIVATE
77 1.1.2.2 nathanw #include <powerpc/ibm4xx/dev/plbvar.h>
78 1.1.2.2 nathanw #include <powerpc/ibm4xx/ibm405gp.h>
79 1.1.2.2 nathanw
80 1.1.2.2 nathanw /*
81 1.1.2.2 nathanw * The devices that attach to the processor local bus on the 405GP cpu.
82 1.1.2.2 nathanw */
83 1.1.2.2 nathanw const struct plb_dev plb_devs [] = {
84 1.1.2.2 nathanw { "cpu", },
85 1.1.2.2 nathanw { "opb", },
86 1.1.2.2 nathanw { "pchb", },
87 1.1.2.2 nathanw { NULL }
88 1.1.2.2 nathanw };
89 1.1.2.2 nathanw
90 1.1.2.2 nathanw static int plb_match(struct device *, struct cfdata *, void *);
91 1.1.2.2 nathanw static void plb_attach(struct device *, struct device *, void *);
92 1.1.2.2 nathanw static int plb_submatch(struct device *, struct cfdata *, void *);
93 1.1.2.2 nathanw static int plb_print(void *, const char *);
94 1.1.2.2 nathanw
95 1.1.2.2 nathanw struct cfattach plb_ca = {
96 1.1.2.2 nathanw sizeof(struct device), plb_match, plb_attach
97 1.1.2.2 nathanw };
98 1.1.2.2 nathanw
99 1.1.2.2 nathanw
100 1.1.2.2 nathanw /*
101 1.1.2.2 nathanw * Probe for the plb; always succeeds.
102 1.1.2.2 nathanw */
103 1.1.2.2 nathanw static int
104 1.1.2.2 nathanw plb_match(struct device *parent, struct cfdata *cf, void *aux)
105 1.1.2.2 nathanw {
106 1.1.2.2 nathanw
107 1.1.2.2 nathanw return (1);
108 1.1.2.2 nathanw }
109 1.1.2.2 nathanw
110 1.1.2.2 nathanw static int
111 1.1.2.2 nathanw plb_submatch(struct device *parent, struct cfdata *cf, void *aux)
112 1.1.2.2 nathanw {
113 1.1.2.2 nathanw
114 1.1.2.2 nathanw return ((*cf->cf_attach->ca_match)(parent, cf, aux));
115 1.1.2.2 nathanw }
116 1.1.2.2 nathanw
117 1.1.2.2 nathanw /*
118 1.1.2.2 nathanw * Attach the processor local bus.
119 1.1.2.2 nathanw */
120 1.1.2.2 nathanw static void
121 1.1.2.2 nathanw plb_attach(struct device *parent, struct device *self, void *aux)
122 1.1.2.2 nathanw {
123 1.1.2.2 nathanw struct plb_attach_args paa;
124 1.1.2.2 nathanw struct plb_dev *local_plb_devs = aux;
125 1.1.2.2 nathanw int i;
126 1.1.2.2 nathanw
127 1.1.2.2 nathanw printf("\n");
128 1.1.2.2 nathanw
129 1.1.2.2 nathanw for (i = 0; plb_devs[i].plb_name != NULL; i++) {
130 1.1.2.2 nathanw paa.plb_name = plb_devs[i].plb_name;
131 1.1.2.2 nathanw paa.plb_bt = galaxy_make_bus_space_tag(0, 0);
132 1.1.2.2 nathanw paa.plb_dmat = &galaxy_default_bus_dma_tag;
133 1.1.2.2 nathanw
134 1.1.2.2 nathanw (void) config_found_sm(self, &paa, plb_print, plb_submatch);
135 1.1.2.2 nathanw }
136 1.1.2.2 nathanw
137 1.1.2.2 nathanw while (local_plb_devs && local_plb_devs->plb_name != NULL) {
138 1.1.2.2 nathanw paa.plb_name = local_plb_devs->plb_name;
139 1.1.2.2 nathanw paa.plb_bt = galaxy_make_bus_space_tag(0, 0);
140 1.1.2.2 nathanw paa.plb_dmat = &galaxy_default_bus_dma_tag;
141 1.1.2.2 nathanw
142 1.1.2.2 nathanw (void) config_found_sm(self, &paa, plb_print, plb_submatch);
143 1.1.2.2 nathanw local_plb_devs++;
144 1.1.2.2 nathanw }
145 1.1.2.2 nathanw }
146 1.1.2.2 nathanw
147 1.1.2.2 nathanw static int
148 1.1.2.2 nathanw plb_print(void *aux, const char *pnp)
149 1.1.2.2 nathanw {
150 1.1.2.2 nathanw struct plb_attach_args *paa = aux;
151 1.1.2.2 nathanw
152 1.1.2.2 nathanw if (pnp)
153 1.1.2.2 nathanw printf("%s at %s", paa->plb_name, pnp);
154 1.1.2.2 nathanw
155 1.1.2.2 nathanw return (UNCONF);
156 1.1.2.2 nathanw }
157