1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2007, Juniper Networks, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the author nor the names of any co-contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 * 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
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/bus.h>
35 #include <sys/conf.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38
39 #include <machine/bus.h>
40
41 #include <dev/cfi/cfi_var.h>
42 #include <dev/ofw/ofw_bus.h>
43 #include <dev/ofw/ofw_bus_subr.h>
44
45 static int cfi_fdt_probe(device_t);
46
47 static device_method_t cfi_fdt_methods[] = {
48 /* device interface */
49 DEVMETHOD(device_probe, cfi_fdt_probe),
50 DEVMETHOD(device_attach, cfi_attach),
51 DEVMETHOD(device_detach, cfi_detach),
52
53 DEVMETHOD_END
54 };
55
56 static driver_t cfi_fdt_driver = {
57 cfi_driver_name,
58 cfi_fdt_methods,
59 sizeof(struct cfi_softc),
60 };
61
62 DRIVER_MODULE (cfi, lbc, cfi_fdt_driver, 0, 0);
63 DRIVER_MODULE (cfi, simplebus, cfi_fdt_driver, 0, 0);
64
65 static int
cfi_fdt_probe(device_t dev)66 cfi_fdt_probe(device_t dev)
67 {
68
69 if (!ofw_bus_status_okay(dev))
70 return (ENXIO);
71
72 if (!ofw_bus_is_compatible(dev, "cfi-flash"))
73 return (ENXIO);
74
75 return (cfi_probe(dev));
76 }
77