1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright 2008 by Nathan Whitehorn. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/module.h>
32 #include <sys/bus.h>
33 #include <sys/conf.h>
34 #include <sys/kernel.h>
35
36 #include <dev/ofw/ofw_bus.h>
37 #include <dev/ofw/openfirm.h>
38
39 #include <machine/bus.h>
40
41 #include <vm/vm.h>
42 #include <vm/pmap.h>
43
44 #include <sys/rman.h>
45
46 /*
47 * Mambo interface
48 */
49 static int mambobus_probe(device_t);
50 static int mambobus_attach(device_t);
51
52 static device_method_t mambobus_methods[] = {
53 /* Device interface */
54 DEVMETHOD(device_probe, mambobus_probe),
55 DEVMETHOD(device_attach, mambobus_attach),
56
57 /* Bus interface */
58 DEVMETHOD(bus_add_child, bus_generic_add_child),
59 DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
60 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
61 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
62 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
63 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
64 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
65
66 DEVMETHOD_END
67 };
68
69 static driver_t mambobus_driver = {
70 "mambo",
71 mambobus_methods,
72 0
73 };
74
75 DRIVER_MODULE(mambo, ofwbus, mambobus_driver, 0, 0);
76
77 static int
mambobus_probe(device_t dev)78 mambobus_probe(device_t dev)
79 {
80 const char *name = ofw_bus_get_name(dev);
81
82 if (name && !strcmp(name, "mambo")) {
83 device_set_desc(dev, "Mambo Simulator");
84 return (0);
85 }
86
87 return (ENXIO);
88 }
89
90 static int
mambobus_attach(device_t dev)91 mambobus_attach(device_t dev)
92 {
93 bus_identify_children(dev);
94 bus_attach_children(dev);
95 return (0);
96 }
97