ofw_pcib.c revision 163260 
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 163260 2006-10-12 04:44:01Z kmacy $");
36
37#include "opt_ofw_pci.h"
38#include "opt_global.h"
39
40#include <sys/param.h>
41#include <sys/kernel.h>
42#include <sys/bus.h>
43#include <sys/module.h>
44
45#include <dev/ofw/ofw_bus.h>
46#include <dev/ofw/openfirm.h>
47
48#include <machine/bus.h>
49#include <machine/ofw_bus.h>
50
51#include <dev/pci/pcireg.h>
52#include <dev/pci/pcivar.h>
53#include <dev/pci/pcib_private.h>
54
55#include "pcib_if.h"
56
57#include <sparc64/pci/ofw_pci.h>
58#include <sparc64/pci/ofw_pcib_subr.h>
59
60static device_probe_t ofw_pcib_probe;
61static device_attach_t ofw_pcib_attach;
62
63static device_method_t ofw_pcib_methods[] = {
64	/* Device interface */
65	DEVMETHOD(device_probe,		ofw_pcib_probe),
66	DEVMETHOD(device_attach,	ofw_pcib_attach),
67	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
68	DEVMETHOD(device_suspend,	bus_generic_suspend),
69	DEVMETHOD(device_resume,	bus_generic_resume),
70
71	/* Bus interface */
72	DEVMETHOD(bus_print_child,	bus_generic_print_child),
73	DEVMETHOD(bus_read_ivar,	pcib_read_ivar),
74	DEVMETHOD(bus_write_ivar,	pcib_write_ivar),
75	DEVMETHOD(bus_alloc_resource,	pcib_alloc_resource),
76	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
77	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
78	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
79	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
80	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
81
82	/* pcib interface */
83	DEVMETHOD(pcib_maxslots,	pcib_maxslots),
84	DEVMETHOD(pcib_read_config,	pcib_read_config),
85	DEVMETHOD(pcib_write_config,	pcib_write_config),
86	DEVMETHOD(pcib_route_interrupt,	ofw_pcib_gen_route_interrupt),
87
88	/* ofw_bus interface */
89	DEVMETHOD(ofw_bus_get_node,	ofw_pcib_gen_get_node),
90
91	/* ofw_pci interface */
92	DEVMETHOD(ofw_pci_adjust_busrange,	ofw_pcib_gen_adjust_busrange),
93
94	{ 0, 0 }
95};
96
97static devclass_t pcib_devclass;
98
99DEFINE_CLASS_0(pcib, ofw_pcib_driver, ofw_pcib_methods,
100    sizeof(struct ofw_pcib_gen_softc));
101DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_driver, pcib_devclass, 0, 0);
102
103static int
104ofw_pcib_probe(device_t dev)
105{
106	if ((pci_get_class(dev) == PCIC_BRIDGE) &&
107	    (pci_get_subclass(dev) == PCIS_BRIDGE_PCI) &&
108	    ofw_bus_get_node(dev) != 0) {
109		device_set_desc(dev, "OFW PCI-PCI bridge");
110		return (0);
111	}
112	return (ENXIO);
113}
114
115static int
116ofw_pcib_attach(device_t dev)
117{
118	struct ofw_pcib_gen_softc *sc;
119
120	sc = device_get_softc(dev);
121	ofw_pcib_gen_setup(dev);
122	pcib_attach_common(dev);
123#ifdef SUN4V
124	device_add_child(dev, "pci", -1);
125#else
126	device_add_child(dev, "pci", sc->ops_pcib_sc.secbus);
127#endif
128
129	return (bus_generic_attach(dev));
130}
131