1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*-
* Copyright (c) 2004-2006 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <dev/ofw/ofw_bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/scc/scc_bfe.h>
#define SBUS_REGSHFT 1
#define SBUS_RCLK 307200
static int
scc_sbus_probe(device_t dev)
{
struct scc_softc *sc;
const char *nm;
sc = device_get_softc(dev);
nm = ofw_bus_get_name(dev);
if (!strcmp(nm, "zs")) {
device_set_desc(dev, "Zilog Z8530 dual channel SCC");
sc->sc_class = &scc_z8530_class;
return (scc_bfe_probe(dev, SBUS_REGSHFT, SBUS_RCLK, 0));
}
return (ENXIO);
}
static device_method_t scc_sbus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, scc_sbus_probe),
DEVMETHOD(device_attach, scc_bfe_attach),
DEVMETHOD(device_detach, scc_bfe_detach),
DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource),
DEVMETHOD(bus_release_resource, scc_bus_release_resource),
DEVMETHOD(bus_get_resource, scc_bus_get_resource),
DEVMETHOD(bus_read_ivar, scc_bus_read_ivar),
DEVMETHOD(bus_setup_intr, scc_bus_setup_intr),
DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t scc_sbus_driver = {
scc_driver_name,
scc_sbus_methods,
sizeof(struct scc_softc),
};
DRIVER_MODULE(scc, fhc, scc_sbus_driver, scc_devclass, 0, 0);
DRIVER_MODULE(scc, sbus, scc_sbus_driver, scc_devclass, 0, 0);
|
