ofw_pcib.c revision 178279
1/*- 2 * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 - 2003 Thomas Moestl <tmm@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * 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 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/sparc64/pci/ofw_pcib.c 178279 2008-04-17 12:38:00Z marius $"); 36 37#include "opt_ofw_pci.h" 38 39#include <sys/param.h> 40#include <sys/kernel.h> 41#include <sys/bus.h> 42#include <sys/module.h> 43 44#include <dev/ofw/ofw_bus.h> 45#include <dev/ofw/openfirm.h> 46 47#include <machine/bus.h> 48#include <machine/ofw_bus.h> 49 50#include <dev/pci/pcireg.h> 51#include <dev/pci/pcivar.h> 52#include <dev/pci/pcib_private.h> 53 54#include "pcib_if.h" 55 56#include <sparc64/pci/ofw_pci.h> 57#include <sparc64/pci/ofw_pcib_subr.h> 58 59static device_probe_t ofw_pcib_probe; 60static device_attach_t ofw_pcib_attach; 61 62static device_method_t ofw_pcib_methods[] = { 63 /* Device interface */ 64 DEVMETHOD(device_probe, ofw_pcib_probe), 65 DEVMETHOD(device_attach, ofw_pcib_attach), 66 DEVMETHOD(device_shutdown, bus_generic_shutdown), 67 DEVMETHOD(device_suspend, bus_generic_suspend), 68 DEVMETHOD(device_resume, bus_generic_resume), 69 70 /* Bus interface */ 71 DEVMETHOD(bus_print_child, bus_generic_print_child), 72 DEVMETHOD(bus_read_ivar, pcib_read_ivar), 73 DEVMETHOD(bus_write_ivar, pcib_write_ivar), 74 DEVMETHOD(bus_alloc_resource, pcib_alloc_resource), 75 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 76 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 77 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 78 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 79 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 80 81 /* pcib interface */ 82 DEVMETHOD(pcib_maxslots, pcib_maxslots), 83 DEVMETHOD(pcib_read_config, pcib_read_config), 84 DEVMETHOD(pcib_write_config, pcib_write_config), 85 DEVMETHOD(pcib_route_interrupt, ofw_pcib_gen_route_interrupt), 86 87 /* ofw_bus interface */ 88 DEVMETHOD(ofw_bus_get_node, ofw_pcib_gen_get_node), 89 90 { 0, 0 } 91}; 92 93static devclass_t pcib_devclass; 94 95DEFINE_CLASS_0(pcib, ofw_pcib_driver, ofw_pcib_methods, 96 sizeof(struct ofw_pcib_gen_softc)); 97DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_driver, pcib_devclass, 0, 0); 98 99static int 100ofw_pcib_probe(device_t dev) 101{ 102 103 if ((pci_get_class(dev) == PCIC_BRIDGE) && 104 (pci_get_subclass(dev) == PCIS_BRIDGE_PCI) && 105 ofw_bus_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{ 115 116 ofw_pcib_gen_setup(dev); 117 pcib_attach_common(dev); 118 device_add_child(dev, "pci", -1); 119 return (bus_generic_attach(dev)); 120} 121