1 /*-
2 * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * Copyright (c) 2001 - 2003 Thomas Moestl <tmm@FreeBSD.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * from: FreeBSD: src/sys/dev/pci/pci_pci.c,v 1.3 2000/12/13
32 *
33 * $FreeBSD$
34 */
35
36 #include "opt_ofw_pci.h"
37
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/bus.h>
41 #include <sys/module.h>
42
43 #include <dev/ofw/ofw_bus.h>
44 #include <dev/ofw/openfirm.h>
45
46 #include <machine/bus.h>
47 #include <machine/ofw_bus.h>
48
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51 #include <dev/pci/pcib_private.h>
52
53 #include "pcib_if.h"
54
55 #include <sparc64/pci/ofw_pci.h>
56 #include <sparc64/pci/ofw_pcib_subr.h>
57
58 static device_probe_t ofw_pcib_probe;
59 static device_attach_t ofw_pcib_attach;
60
61 static device_method_t ofw_pcib_methods[] = {
62 /* Device interface */
63 DEVMETHOD(device_probe, ofw_pcib_probe),
64 DEVMETHOD(device_attach, ofw_pcib_attach),
65 DEVMETHOD(device_shutdown, bus_generic_shutdown),
66 DEVMETHOD(device_suspend, bus_generic_suspend),
67 DEVMETHOD(device_resume, bus_generic_resume),
68
69 /* Bus interface */
70 DEVMETHOD(bus_print_child, bus_generic_print_child),
71 DEVMETHOD(bus_read_ivar, pcib_read_ivar),
72 DEVMETHOD(bus_write_ivar, pcib_write_ivar),
73 DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
74 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
75 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
76 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
77 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
78 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
79
80 /* pcib interface */
81 DEVMETHOD(pcib_maxslots, pcib_maxslots),
82 DEVMETHOD(pcib_read_config, pcib_read_config),
83 DEVMETHOD(pcib_write_config, pcib_write_config),
84 DEVMETHOD(pcib_route_interrupt, ofw_pcib_gen_route_interrupt),
85
86 /* ofw_bus interface */
87 DEVMETHOD(ofw_bus_get_node, ofw_pcib_gen_get_node),
88
89 /* ofw_pci interface */
90 DEVMETHOD(ofw_pci_adjust_busrange, ofw_pcib_gen_adjust_busrange),
91
92 { 0, 0 }
93 };
94
95 static driver_t ofw_pcib_driver = {
96 "pcib",
97 ofw_pcib_methods,
98 sizeof(struct ofw_pcib_gen_softc),
99 };
100
101 DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_driver, pcib_devclass, 0, 0);
102
103 static int
104 ofw_pcib_probe(device_t dev)
105 {
106 if ((pci_get_class(dev) == PCIC_BRIDGE) &&
107 (pci_get_subclass(dev) == PCIS_BRIDGE_PCI) &&
108 ofw_bus_get_node(dev) != 0) {
109 device_set_desc(dev, "OFW PCI-PCI bridge");
110 return (0);
111 }
112 return (ENXIO);
113 }
114
115 static int
116 ofw_pcib_attach(device_t dev)
117 {
118 struct ofw_pcib_gen_softc *sc = device_get_softc(dev);
119
120 ofw_pcib_gen_setup(dev);
121 pcib_attach_common(dev);
122 device_add_child(dev, "pci", sc->ops_pcib_sc.secbus);
123 return (bus_generic_attach(dev));
124 }
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