2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright 2003 by Peter Grehan. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * 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
32 * The psim iobus attachment for the OpenPIC interrupt controller.
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/module.h>
43 #include <sys/kernel.h>
45 #include <dev/ofw/openfirm.h>
47 #include <machine/bus.h>
48 #include <machine/intr_machdep.h>
49 #include <machine/md_var.h>
50 #include <machine/pio.h>
51 #include <machine/resource.h>
58 #include <machine/openpicreg.h>
59 #include <machine/openpicvar.h>
60 #include <powerpc/psim/iobusvar.h>
65 * PSIM IOBus interface
67 static int openpic_iobus_probe(device_t);
68 static int openpic_iobus_attach(device_t);
70 static device_method_t openpic_iobus_methods[] = {
71 /* Device interface */
72 DEVMETHOD(device_probe, openpic_iobus_probe),
73 DEVMETHOD(device_attach, openpic_iobus_attach),
76 DEVMETHOD(pic_config, openpic_config),
77 DEVMETHOD(pic_dispatch, openpic_dispatch),
78 DEVMETHOD(pic_enable, openpic_enable),
79 DEVMETHOD(pic_eoi, openpic_eoi),
80 DEVMETHOD(pic_ipi, openpic_ipi),
81 DEVMETHOD(pic_mask, openpic_mask),
82 DEVMETHOD(pic_unmask, openpic_unmask),
87 static driver_t openpic_iobus_driver = {
89 openpic_iobus_methods,
90 sizeof(struct openpic_softc)
93 DRIVER_MODULE(openpic, iobus, openpic_iobus_driver, openpic_devclass, 0, 0);
96 openpic_iobus_probe(device_t dev)
98 struct openpic_softc *sc;
101 name = iobus_get_name(dev);
102 if (strcmp(name, "interrupt-controller") != 0)
106 * The description was already printed out in the nexus
107 * probe, so don't do it again here
109 device_set_desc(dev, OPENPIC_DEVSTR);
111 sc = device_get_softc(dev);
118 openpic_iobus_attach(device_t dev)
121 return (openpic_common_attach(dev, 0));