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c94d217091
This pulls in changes by jmg from perforce and makes them sun4v only for now. Approved by: scottl (acting as backup for mentor rwatson)
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/*-
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* Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier
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* Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
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* Copyright (c) 2000 BSDi
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* Copyright (c) 2001 - 2003 Thomas Moestl <tmm@FreeBSD.org>
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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* from: FreeBSD: src/sys/dev/pci/pci_pci.c,v 1.3 2000/12/13
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ofw_pci.h"
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#include "opt_global.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/bus.h>
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#include <machine/ofw_bus.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcib_private.h>
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#include "pcib_if.h"
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#include <sparc64/pci/ofw_pci.h>
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#include <sparc64/pci/ofw_pcib_subr.h>
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static device_probe_t ofw_pcib_probe;
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static device_attach_t ofw_pcib_attach;
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static device_method_t ofw_pcib_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ofw_pcib_probe),
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DEVMETHOD(device_attach, ofw_pcib_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, ofw_pcib_gen_route_interrupt),
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/* ofw_bus interface */
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DEVMETHOD(ofw_bus_get_node, ofw_pcib_gen_get_node),
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/* ofw_pci interface */
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DEVMETHOD(ofw_pci_adjust_busrange, ofw_pcib_gen_adjust_busrange),
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{ 0, 0 }
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};
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static devclass_t pcib_devclass;
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DEFINE_CLASS_0(pcib, ofw_pcib_driver, ofw_pcib_methods,
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sizeof(struct ofw_pcib_gen_softc));
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DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_driver, pcib_devclass, 0, 0);
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static int
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ofw_pcib_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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ofw_bus_get_node(dev) != 0) {
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device_set_desc(dev, "OFW PCI-PCI bridge");
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return (0);
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}
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return (ENXIO);
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}
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static int
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ofw_pcib_attach(device_t dev)
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{
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struct ofw_pcib_gen_softc *sc;
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sc = device_get_softc(dev);
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ofw_pcib_gen_setup(dev);
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pcib_attach_common(dev);
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#ifdef SUN4V
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device_add_child(dev, "pci", -1);
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#else
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device_add_child(dev, "pci", sc->ops_pcib_sc.secbus);
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#endif
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return (bus_generic_attach(dev));
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}
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