pcib.c revision 1.2.10.3 1 1.2.10.3 thorpej /* $NetBSD: pcib.c,v 1.2.10.3 2003/01/03 16:48:30 thorpej Exp $ */
2 1.2.10.2 nathanw
3 1.2.10.2 nathanw /*-
4 1.2.10.2 nathanw * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
5 1.2.10.2 nathanw * All rights reserved.
6 1.2.10.2 nathanw *
7 1.2.10.2 nathanw * This code is derived from software contributed to The NetBSD Foundation
8 1.2.10.2 nathanw * by Jason R. Thorpe.
9 1.2.10.2 nathanw *
10 1.2.10.2 nathanw * Redistribution and use in source and binary forms, with or without
11 1.2.10.2 nathanw * modification, are permitted provided that the following conditions
12 1.2.10.2 nathanw * are met:
13 1.2.10.2 nathanw * 1. Redistributions of source code must retain the above copyright
14 1.2.10.2 nathanw * notice, this list of conditions and the following disclaimer.
15 1.2.10.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.10.2 nathanw * notice, this list of conditions and the following disclaimer in the
17 1.2.10.2 nathanw * documentation and/or other materials provided with the distribution.
18 1.2.10.2 nathanw * 3. All advertising materials mentioning features or use of this software
19 1.2.10.2 nathanw * must display the following acknowledgement:
20 1.2.10.2 nathanw * This product includes software developed by the NetBSD
21 1.2.10.2 nathanw * Foundation, Inc. and its contributors.
22 1.2.10.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.10.2 nathanw * contributors may be used to endorse or promote products derived
24 1.2.10.2 nathanw * from this software without specific prior written permission.
25 1.2.10.2 nathanw *
26 1.2.10.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.10.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.10.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.10.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.10.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.10.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.10.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.10.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.10.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.10.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.10.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
37 1.2.10.2 nathanw *
38 1.2.10.2 nathanw * from: i386/pci/pcib.c,v 1.12
39 1.2.10.2 nathanw */
40 1.2.10.2 nathanw
41 1.2.10.2 nathanw #include <sys/param.h>
42 1.2.10.2 nathanw #include <sys/systm.h>
43 1.2.10.2 nathanw #include <sys/device.h>
44 1.2.10.2 nathanw
45 1.2.10.2 nathanw #include <machine/bus.h>
46 1.2.10.2 nathanw
47 1.2.10.2 nathanw #include <dev/isa/isavar.h>
48 1.2.10.2 nathanw
49 1.2.10.2 nathanw #include <dev/pci/pcivar.h>
50 1.2.10.2 nathanw #include <dev/pci/pcireg.h>
51 1.2.10.2 nathanw
52 1.2.10.2 nathanw #include <dev/pci/pcidevs.h>
53 1.2.10.2 nathanw
54 1.2.10.2 nathanw #include "isadma.h"
55 1.2.10.2 nathanw
56 1.2.10.2 nathanw int pcibmatch __P((struct device *, struct cfdata *, void *));
57 1.2.10.2 nathanw void pcibattach __P((struct device *, struct device *, void *));
58 1.2.10.2 nathanw
59 1.2.10.2 nathanw CFATTACH_DECL(pcib, sizeof(struct device),
60 1.2.10.2 nathanw pcibmatch, pcibattach, NULL, NULL);
61 1.2.10.2 nathanw
62 1.2.10.2 nathanw void pcib_callback __P((struct device *));
63 1.2.10.2 nathanw int pcib_print __P((void *, const char *));
64 1.2.10.2 nathanw
65 1.2.10.2 nathanw int
66 1.2.10.2 nathanw pcibmatch(parent, match, aux)
67 1.2.10.2 nathanw struct device *parent;
68 1.2.10.2 nathanw struct cfdata *match;
69 1.2.10.2 nathanw void *aux;
70 1.2.10.2 nathanw {
71 1.2.10.2 nathanw struct pci_attach_args *pa = aux;
72 1.2.10.2 nathanw
73 1.2.10.2 nathanw /*
74 1.2.10.2 nathanw * Match tested PCI-ISA bridges.
75 1.2.10.2 nathanw */
76 1.2.10.2 nathanw switch (PCI_VENDOR(pa->pa_id)) {
77 1.2.10.2 nathanw case PCI_VENDOR_WINBOND:
78 1.2.10.2 nathanw switch (PCI_PRODUCT(pa->pa_id)) {
79 1.2.10.2 nathanw case PCI_PRODUCT_WINBOND_W83C553F_0:
80 1.2.10.2 nathanw return (1);
81 1.2.10.2 nathanw }
82 1.2.10.2 nathanw break;
83 1.2.10.2 nathanw
84 1.2.10.2 nathanw case PCI_VENDOR_SYMPHONY:
85 1.2.10.2 nathanw switch (PCI_PRODUCT(pa->pa_id)) {
86 1.2.10.2 nathanw case PCI_PRODUCT_SYMPHONY_83C553:
87 1.2.10.2 nathanw return (1);
88 1.2.10.2 nathanw }
89 1.2.10.2 nathanw break;
90 1.2.10.2 nathanw }
91 1.2.10.2 nathanw
92 1.2.10.2 nathanw return (0);
93 1.2.10.2 nathanw }
94 1.2.10.2 nathanw
95 1.2.10.2 nathanw void
96 1.2.10.2 nathanw pcibattach(parent, self, aux)
97 1.2.10.2 nathanw struct device *parent, *self;
98 1.2.10.2 nathanw void *aux;
99 1.2.10.2 nathanw {
100 1.2.10.2 nathanw struct pci_attach_args *pa = aux;
101 1.2.10.2 nathanw char devinfo[256];
102 1.2.10.2 nathanw
103 1.2.10.2 nathanw printf("\n");
104 1.2.10.2 nathanw
105 1.2.10.2 nathanw /*
106 1.2.10.2 nathanw * Just print out a description and set the ISA bus
107 1.2.10.2 nathanw * callback.
108 1.2.10.2 nathanw */
109 1.2.10.2 nathanw pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
110 1.2.10.2 nathanw printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo,
111 1.2.10.2 nathanw PCI_REVISION(pa->pa_class));
112 1.2.10.2 nathanw
113 1.2.10.2 nathanw /* Set the ISA bus callback */
114 1.2.10.2 nathanw config_defer(self, pcib_callback);
115 1.2.10.2 nathanw }
116 1.2.10.2 nathanw
117 1.2.10.2 nathanw void
118 1.2.10.2 nathanw pcib_callback(self)
119 1.2.10.2 nathanw struct device *self;
120 1.2.10.2 nathanw {
121 1.2.10.2 nathanw struct isabus_attach_args iba;
122 1.2.10.2 nathanw
123 1.2.10.2 nathanw /*
124 1.2.10.2 nathanw * Attach the ISA bus behind this bridge.
125 1.2.10.2 nathanw */
126 1.2.10.2 nathanw memset(&iba, 0, sizeof(iba));
127 1.2.10.2 nathanw iba.iba_busname = "isa";
128 1.2.10.2 nathanw iba.iba_iot = &isa_io_bs_tag;
129 1.2.10.2 nathanw iba.iba_memt = &isa_mem_bs_tag;
130 1.2.10.2 nathanw #if NISADMA > 0
131 1.2.10.2 nathanw iba.iba_dmat = &isa_bus_dma_tag;
132 1.2.10.2 nathanw #endif
133 1.2.10.2 nathanw config_found(self, &iba, pcib_print);
134 1.2.10.2 nathanw }
135 1.2.10.2 nathanw
136 1.2.10.2 nathanw int
137 1.2.10.2 nathanw pcib_print(aux, pnp)
138 1.2.10.2 nathanw void *aux;
139 1.2.10.2 nathanw const char *pnp;
140 1.2.10.2 nathanw {
141 1.2.10.2 nathanw
142 1.2.10.2 nathanw /* Only ISAs can attach to pcib's; easy. */
143 1.2.10.2 nathanw if (pnp)
144 1.2.10.3 thorpej aprint_normal("isa at %s", pnp);
145 1.2.10.2 nathanw return (UNCONF);
146 1.2.10.2 nathanw }
147