scc_bfe_ebus.c revision 227843 
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: head/sys/dev/scc/scc_bfe_ebus.c 227843 2011-11-22 21:28:20Z marius $");
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
48static int
49scc_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
68static int
69scc_ebus_attach(device_t dev)
70{
71
72	return (scc_bfe_attach(dev, 0));
73}
74
75static 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
91static driver_t scc_ebus_driver = {
92	scc_driver_name,
93	scc_ebus_methods,
94	sizeof(struct scc_softc),
95};
96
97DRIVER_MODULE(scc, ebus, scc_ebus_driver, scc_devclass, 0, 0);
98