if_smc_fdt.c revision 266152 
1/*-
2 * Copyright (c) 2008 Benno Rice
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/10/sys/arm/versatile/if_smc_fdt.c 266152 2014-05-15 16:11:06Z ian $");
29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/socket.h>
35#include <sys/systm.h>
36#include <sys/taskqueue.h>
37
38#include <machine/bus.h>
39#include <machine/resource.h>
40
41#include <net/ethernet.h>
42#include <net/if.h>
43#include <net/if_arp.h>
44#include <net/if_media.h>
45
46#include <dev/smc/if_smcvar.h>
47
48#include <dev/mii/mii.h>
49#include <dev/mii/miivar.h>
50
51#include <dev/fdt/fdt_common.h>
52#include <dev/ofw/openfirm.h>
53#include <dev/ofw/ofw_bus.h>
54#include <dev/ofw/ofw_bus_subr.h>
55
56#include "miibus_if.h"
57
58static int		smc_fdt_probe(device_t);
59static int		smc_fdt_attach(device_t);
60static int		smc_fdt_detach(device_t);
61
62static int
63smc_fdt_probe(device_t dev)
64{
65	struct	smc_softc *sc;
66
67	if (!ofw_bus_status_okay(dev))
68		return (ENXIO);
69
70	if (ofw_bus_is_compatible(dev, "smsc,lan91c111")) {
71		sc = device_get_softc(dev);
72		sc->smc_usemem = 1;
73
74		if (smc_probe(dev) != 0) {
75			return (ENXIO);
76		}
77
78		return (0);
79	}
80
81	return (ENXIO);
82}
83
84static int
85smc_fdt_attach(device_t dev)
86{
87	int	err;
88 	struct	smc_softc *sc;
89
90	sc = device_get_softc(dev);
91
92	err = smc_attach(dev);
93	if (err) {
94		return (err);
95	}
96
97	return (0);
98}
99
100static int
101smc_fdt_detach(device_t dev)
102{
103
104	smc_detach(dev);
105
106	return (0);
107}
108
109static device_method_t smc_fdt_methods[] = {
110	/* Device interface */
111	DEVMETHOD(device_probe,		smc_fdt_probe),
112	DEVMETHOD(device_attach,	smc_fdt_attach),
113	DEVMETHOD(device_detach,	smc_fdt_detach),
114
115	/* MII interface */
116	DEVMETHOD(miibus_readreg,	smc_miibus_readreg),
117	DEVMETHOD(miibus_writereg,	smc_miibus_writereg),
118	DEVMETHOD(miibus_statchg,	smc_miibus_statchg),
119
120	{ 0, 0 }
121};
122
123static driver_t smc_fdt_driver = {
124	"smc",
125	smc_fdt_methods,
126	sizeof(struct smc_softc),
127};
128
129extern devclass_t smc_devclass;
130
131DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0);
132DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0);
133MODULE_DEPEND(smc, fdt, 1, 1, 1);
134MODULE_DEPEND(smc, ether, 1, 1, 1);
135MODULE_DEPEND(smc, miibus, 1, 1, 1);
136