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("$FreeBSD$");
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
58 static int smc_fdt_probe(device_t);
59 static int smc_fdt_attach(device_t);
60 static int smc_fdt_detach(device_t);
61
62 static int
63 smc_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
84 static int
85 smc_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
100 static int
101 smc_fdt_detach(device_t dev)
102 {
103
104 smc_detach(dev);
105
106 return (0);
107 }
108
109 static 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
123 static driver_t smc_fdt_driver = {
124 "smc",
125 smc_fdt_methods,
126 sizeof(struct smc_softc),
127 };
128
129 extern devclass_t smc_devclass;
130
131 DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0);
132 DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0);
133 MODULE_DEPEND(smc, fdt, 1, 1, 1);
134 MODULE_DEPEND(smc, ether, 1, 1, 1);
135 MODULE_DEPEND(smc, miibus, 1, 1, 1);
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