ofw_pcib.c revision 129051
168419Swpaul/*- 268419Swpaul * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier 370711Sobrien * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 470711Sobrien * Copyright (c) 2000 BSDi 570711Sobrien * Copyright (c) 2001 - 2003 Thomas Moestl <tmm@FreeBSD.org> 670711Sobrien * All rights reserved. 768419Swpaul * 870711Sobrien * Redistribution and use in source and binary forms, with or without 968419Swpaul * modification, are permitted provided that the following conditions 1070711Sobrien * are met: 1168419Swpaul * 1. Redistributions of source code must retain the above copyright 1268419Swpaul * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: FreeBSD: src/sys/dev/pci/pci_pci.c,v 1.3 2000/12/13 32 * 33 * $FreeBSD: head/sys/sparc64/pci/ofw_pcib.c 129051 2004-05-08 13:53:47Z marius $ 34 */ 35 36#include "opt_ofw_pci.h" 37 38#include <sys/param.h> 39#include <sys/kernel.h> 40#include <sys/bus.h> 41#include <sys/module.h> 42 43#include <dev/ofw/openfirm.h> 44 45#include <machine/bus.h> 46#include <machine/ofw_bus.h> 47 48#include <dev/pci/pcireg.h> 49#include <dev/pci/pcivar.h> 50#include <dev/pci/pcib_private.h> 51 52#include "pcib_if.h" 53 54#include <sparc64/pci/ofw_pci.h> 55#include <sparc64/pci/ofw_pcib_subr.h> 56 57static device_probe_t ofw_pcib_probe; 58static device_attach_t ofw_pcib_attach; 59 60static device_method_t ofw_pcib_methods[] = { 61 /* Device interface */ 62 DEVMETHOD(device_probe, ofw_pcib_probe), 63 DEVMETHOD(device_attach, ofw_pcib_attach), 64 DEVMETHOD(device_shutdown, bus_generic_shutdown), 65 DEVMETHOD(device_suspend, bus_generic_suspend), 66 DEVMETHOD(device_resume, bus_generic_resume), 67 68 /* Bus interface */ 69 DEVMETHOD(bus_print_child, bus_generic_print_child), 70 DEVMETHOD(bus_read_ivar, pcib_read_ivar), 71 DEVMETHOD(bus_write_ivar, pcib_write_ivar), 72 DEVMETHOD(bus_alloc_resource, pcib_alloc_resource), 73 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 74 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 75 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 76 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 77 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 78 79 /* pcib interface */ 80 DEVMETHOD(pcib_maxslots, pcib_maxslots), 81 DEVMETHOD(pcib_read_config, pcib_read_config), 82 DEVMETHOD(pcib_write_config, pcib_write_config), 83 DEVMETHOD(pcib_route_interrupt, ofw_pcib_gen_route_interrupt), 84 85 /* ofw_pci interface */ 86 DEVMETHOD(ofw_pci_get_node, ofw_pcib_gen_get_node), 87 DEVMETHOD(ofw_pci_adjust_busrange, ofw_pcib_gen_adjust_busrange), 88 89 { 0, 0 } 90}; 91 92static driver_t ofw_pcib_driver = { 93 "pcib", 94 ofw_pcib_methods, 95 sizeof(struct ofw_pcib_gen_softc), 96}; 97 98DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_driver, pcib_devclass, 0, 0); 99 100static int 101ofw_pcib_probe(device_t dev) 102{ 103 if ((pci_get_class(dev) == PCIC_BRIDGE) && 104 (pci_get_subclass(dev) == PCIS_BRIDGE_PCI) && 105 ofw_pci_get_node(dev) != 0) { 106 device_set_desc(dev, "OFW PCI-PCI bridge"); 107 return (0); 108 } 109 return (ENXIO); 110} 111 112static int 113ofw_pcib_attach(device_t dev) 114{ 115 struct ofw_pcib_gen_softc *sc = device_get_softc(dev); 116 117 ofw_pcib_gen_setup(dev); 118 pcib_attach_common(dev); 119 device_add_child(dev, "pci", sc->ops_pcib_sc.secbus); 120 return (bus_generic_attach(dev)); 121} 122