2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/param.h>
31 #include <sys/module.h>
33 #include <sys/malloc.h>
34 #include <sys/kernel.h>
36 #include <dev/ofw/openfirm.h>
37 #include <dev/ofw/ofw_pci.h>
39 #include <powerpc/ofw/ofw_pci.h>
41 #include <dev/pci/pcivar.h>
42 #include <dev/pci/pcireg.h>
43 #include <dev/pci/pcib_private.h>
47 static int ofw_pcib_pci_probe(device_t bus);
48 static int ofw_pcib_pci_attach(device_t bus);
50 static device_method_t ofw_pcib_pci_methods[] = {
51 /* Device interface */
52 DEVMETHOD(device_probe, ofw_pcib_pci_probe),
53 DEVMETHOD(device_attach, ofw_pcib_pci_attach),
54 DEVMETHOD(device_shutdown, bus_generic_shutdown),
55 DEVMETHOD(device_suspend, bus_generic_suspend),
56 DEVMETHOD(device_resume, bus_generic_resume),
59 DEVMETHOD(bus_print_child, bus_generic_print_child),
60 DEVMETHOD(bus_read_ivar, pcib_read_ivar),
61 DEVMETHOD(bus_write_ivar, pcib_write_ivar),
62 DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
63 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
64 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
65 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
66 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
67 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
70 DEVMETHOD(pcib_maxslots, pcib_maxslots),
71 DEVMETHOD(pcib_read_config, pcib_read_config),
72 DEVMETHOD(pcib_write_config, pcib_write_config),
73 DEVMETHOD(pcib_route_interrupt, pcib_route_interrupt),
78 static devclass_t pcib_devclass;
80 DEFINE_CLASS_0(pcib, ofw_pcib_pci_driver, ofw_pcib_pci_methods,
81 sizeof(struct pcib_softc));
82 DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_pci_driver, pcib_devclass, 0, 0);
85 ofw_pcib_pci_probe(device_t dev)
88 if ((pci_get_class(dev) != PCIC_BRIDGE) ||
89 (pci_get_subclass(dev) != PCIS_BRIDGE_PCI)) {
92 if (ofw_pci_find_node(dev) == 0) {
96 device_set_desc(dev, "Open Firmware PCI-PCI bridge");
101 ofw_pcib_pci_attach(device_t dev)
104 uint32_t busrange[2];
106 node = ofw_pci_find_node(dev);
107 if (OF_getprop(node, "bus-range", busrange, sizeof(busrange)) != 8)
110 pcib_attach_common(dev);
112 ofw_pci_fixup(dev, busrange[0], node);
114 device_add_child(dev, "pci", -1);
116 return (bus_generic_attach(dev));