2 * Copyright (c) 2004-2006 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
37 #include <dev/ofw/ofw_bus.h>
39 #include <machine/bus.h>
41 #include <machine/resource.h>
43 #include <dev/scc/scc_bfe.h>
45 #define SBUS_REGSHFT 1
46 #define SBUS_RCLK 307200
49 scc_sbus_probe(device_t dev)
54 sc = device_get_softc(dev);
55 nm = ofw_bus_get_name(dev);
56 if (!strcmp(nm, "zs")) {
57 device_set_desc(dev, "Zilog Z8530 dual channel SCC");
58 sc->sc_class = &scc_z8530_class;
59 return (scc_bfe_probe(dev, SBUS_REGSHFT, SBUS_RCLK, 0));
65 scc_sbus_attach(device_t dev)
68 return (scc_bfe_attach(dev, 0));
71 static device_method_t scc_sbus_methods[] = {
72 /* Device interface */
73 DEVMETHOD(device_probe, scc_sbus_probe),
74 DEVMETHOD(device_attach, scc_sbus_attach),
75 DEVMETHOD(device_detach, scc_bfe_detach),
77 DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource),
78 DEVMETHOD(bus_release_resource, scc_bus_release_resource),
79 DEVMETHOD(bus_get_resource, scc_bus_get_resource),
80 DEVMETHOD(bus_read_ivar, scc_bus_read_ivar),
81 DEVMETHOD(bus_setup_intr, scc_bus_setup_intr),
82 DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr),
87 static driver_t scc_sbus_driver = {
90 sizeof(struct scc_softc),
93 DRIVER_MODULE(scc, fhc, scc_sbus_driver, scc_devclass, NULL, NULL);
94 DRIVER_MODULE(scc, sbus, scc_sbus_driver, scc_devclass, NULL, NULL);