120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/ofw_pci.h>
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#include <powerpc/ofw/ofw_pci.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcib_private.h>
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#include "pcib_if.h"
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static int ofw_pcib_pci_probe(device_t bus);
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static int ofw_pcib_pci_attach(device_t bus);
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static device_method_t ofw_pcib_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ofw_pcib_pci_probe),
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DEVMETHOD(device_attach, ofw_pcib_pci_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, pcib_read_ivar),
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DEVMETHOD(bus_write_ivar, pcib_write_ivar),
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DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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/* pcib interface */
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DEVMETHOD(pcib_maxslots, pcib_maxslots),
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DEVMETHOD(pcib_read_config, pcib_read_config),
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DEVMETHOD(pcib_write_config, pcib_write_config),
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DEVMETHOD(pcib_route_interrupt, pcib_route_interrupt),
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{0, 0}
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};
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static driver_t ofw_pcib_pci_driver = {
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"pcib",
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ofw_pcib_pci_methods,
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sizeof(struct pcib_softc),
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};
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DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_pci_driver, pcib_devclass, 0, 0);
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static int
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ofw_pcib_pci_probe(device_t dev)
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{
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if ((pci_get_class(dev) != PCIC_BRIDGE) ||
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(pci_get_subclass(dev) != PCIS_BRIDGE_PCI)) {
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return (ENXIO);
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}
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if (ofw_pci_find_node(dev) == 0) {
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return (ENXIO);
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}
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device_set_desc(dev, "Open Firmware PCI-PCI bridge");
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return (-1000);
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}
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static int
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ofw_pcib_pci_attach(device_t dev)
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{
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phandle_t node;
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uint32_t busrange[2];
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node = ofw_pci_find_node(dev);
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if (OF_getprop(node, "bus-range", busrange, sizeof(busrange)) != 8)
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return (ENXIO);
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pcib_attach_common(dev);
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ofw_pci_fixup(dev, busrange[0], node);
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device_add_child(dev, "pci", -1);
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return (bus_generic_attach(dev));
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}
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