2 * Copyright (c) 2009-2010 The FreeBSD Foundation
5 * This software was developed by Semihalf under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
40 #include <sys/malloc.h>
42 #include <dev/ofw/openfirm.h>
43 #include <dev/ofw/ofw_nexus.h>
45 #include "ofw_bus_if.h"
50 static void fdtbus_identify(driver_t *, device_t);
51 static int fdtbus_probe(device_t);
54 * Bus interface definition.
56 static device_method_t fdtbus_methods[] = {
57 /* Device interface */
58 DEVMETHOD(device_identify, fdtbus_identify),
59 DEVMETHOD(device_probe, fdtbus_probe),
62 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
63 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
64 DEVMETHOD(bus_config_intr, bus_generic_config_intr),
65 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
66 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
71 devclass_t fdtbus_devclass;
72 DEFINE_CLASS_1(fdtbus, fdtbus_driver, fdtbus_methods,
73 sizeof(struct ofw_nexus_softc), ofw_nexus_driver);
74 DRIVER_MODULE(fdtbus, nexus, fdtbus_driver, fdtbus_devclass, 0, 0);
77 fdtbus_identify(driver_t *driver, device_t parent)
80 if (device_find_child(parent, "fdtbus", -1) == NULL)
81 BUS_ADD_CHILD(parent, 0, "fdtbus", -1);
85 fdtbus_probe(device_t dev)
88 device_set_desc(dev, "Flattened Device Tree");
89 return (BUS_PROBE_NOWILDCARD);