1 /*-
2 * Copyright (c) 2004-2006 Marcel Moolenaar
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 *
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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/conf.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36
37 #include <dev/ofw/ofw_bus.h>
38
39 #include <machine/bus.h>
40 #include <sys/rman.h>
41 #include <machine/resource.h>
42
43 #include <dev/scc/scc_bfe.h>
44
45 #define EBUS_REGSHFT 0
46 #define EBUS_RCLK 29491200
47
48 static int
scc_ebus_probe(device_t dev)49 scc_ebus_probe(device_t dev)
50 {
51 struct scc_softc *sc;
52 const char *cmpt, *nm;
53
54 sc = device_get_softc(dev);
55 nm = ofw_bus_get_name(dev);
56 cmpt = ofw_bus_get_compat(dev);
57 if (cmpt == NULL)
58 cmpt = "";
59 if (!strcmp(nm, "se") || !strcmp(nm, "FJSV,se") ||
60 !strcmp(cmpt, "sab82532")) {
61 device_set_desc(dev, "Siemens SAB 82532 dual channel SCC");
62 sc->sc_class = &scc_sab82532_class;
63 return (scc_bfe_probe(dev, EBUS_REGSHFT, EBUS_RCLK, 0));
64 }
65 return (ENXIO);
66 }
67
68 static int
scc_ebus_attach(device_t dev)69 scc_ebus_attach(device_t dev)
70 {
71
72 return (scc_bfe_attach(dev, 0));
73 }
74
75 static device_method_t scc_ebus_methods[] = {
76 /* Device interface */
77 DEVMETHOD(device_probe, scc_ebus_probe),
78 DEVMETHOD(device_attach, scc_ebus_attach),
79 DEVMETHOD(device_detach, scc_bfe_detach),
80
81 DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource),
82 DEVMETHOD(bus_release_resource, scc_bus_release_resource),
83 DEVMETHOD(bus_get_resource, scc_bus_get_resource),
84 DEVMETHOD(bus_read_ivar, scc_bus_read_ivar),
85 DEVMETHOD(bus_setup_intr, scc_bus_setup_intr),
86 DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr),
87
88 DEVMETHOD_END
89 };
90
91 static driver_t scc_ebus_driver = {
92 scc_driver_name,
93 scc_ebus_methods,
94 sizeof(struct scc_softc),
95 };
96
97 DRIVER_MODULE(scc, ebus, scc_ebus_driver, scc_devclass, NULL, NULL);
98