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