51d163d3e9
simplifies certain device attachments (Kauai ATA, for instance), and makes possible others on new hardware. On G5 systems, there are several otherwise standard PCI devices (Serverworks SATA) that will not allow their interrupt properties to be written, so this information must be supplied directly from Open Firmware. Obtained from: sparc64
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*-
|
|
* 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/module.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 <dev/ofw/ofw_bus.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/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 phandle_t ofw_pcib_pci_get_node(device_t bus, device_t dev);
|
|
|
|
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),
|
|
|
|
/* ofw_bus interface */
|
|
DEVMETHOD(ofw_bus_get_node, ofw_pcib_pci_get_node),
|
|
|
|
{0, 0}
|
|
};
|
|
|
|
static devclass_t pcib_devclass;
|
|
|
|
DEFINE_CLASS_0(pcib, ofw_pcib_pci_driver, 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_bus_get_node(dev) == 0)
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "OFW PCI-PCI bridge");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofw_pcib_pci_attach(device_t dev)
|
|
{
|
|
pcib_attach_common(dev);
|
|
|
|
device_add_child(dev, "pci", -1);
|
|
|
|
return (bus_generic_attach(dev));
|
|
}
|
|
|
|
phandle_t
|
|
ofw_pcib_pci_get_node(device_t bridge, device_t dev)
|
|
{
|
|
/* We have only one child, the PCI bus, so pass it our node */
|
|
|
|
return (ofw_bus_get_node(bridge));
|
|
}
|
|
|