1/*-
2 * Copyright (c) 2007, Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
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
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/bus.h>
36#include <sys/conf.h>
37#include <sys/kernel.h>
38#include <sys/module.h>
39
40#include <machine/bus.h>
41
42#include <dev/cfi/cfi_var.h>
43#include <dev/ofw/ofw_bus.h>
44#include <dev/ofw/ofw_bus_subr.h>
45
46static int cfi_fdt_probe(device_t);
47
48static device_method_t cfi_fdt_methods[] = {
49	/* device interface */
50	DEVMETHOD(device_probe,		cfi_fdt_probe),
51	DEVMETHOD(device_attach,	cfi_attach),
52	DEVMETHOD(device_detach,	cfi_detach),
53
54	DEVMETHOD_END
55};
56
57static driver_t cfi_fdt_driver = {
58	cfi_driver_name,
59	cfi_fdt_methods,
60	sizeof(struct cfi_softc),
61};
62
63DRIVER_MODULE (cfi, lbc, cfi_fdt_driver, cfi_devclass, 0, 0);
64DRIVER_MODULE (cfi, simplebus, cfi_fdt_driver, cfi_devclass, 0, 0);
65
66static int
67cfi_fdt_probe(device_t dev)
68{
69
70	if (!ofw_bus_status_okay(dev))
71		return (ENXIO);
72
73	if (!ofw_bus_is_compatible(dev, "cfi-flash"))
74		return (ENXIO);
75
76	return (cfi_probe(dev));
77}
78