system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-22 01:34:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add a pcib variant to allow us to fix up interrupt assignments.

Browse source 
We probably want to do something wrt bus enumeration as well at some point.
This commit is contained in:
Benno Rice 2003-01-09 12:04:18 +00:00
parent 9939988ef2
commit a65a280612
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=109001
2 changed files with 119 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
sys/conf/files.powerpc
View file

@ -68,6 +68,7 @@ libkern/umoddi3.c standard
powerpc/powerpc/mp_machdep.c optional smp
powerpc/ofw/ofw_pci.c optional pci
powerpc/ofw/ofw_pcib_pci.c optional pci
powerpc/powermac/uninorth.c optional powermac pci
powerpc/powermac/macio.c optional powermac pci

118
sys/powerpc/ofw/ofw_pcib_pci.c Normal file
View file

@ -0,0 +1,118 @@
/*-
* 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));
}