FreeBSD/Linux Kernel Cross Reference
sys/dev/puc/puc_ebus.c
1 /*-
2 * Copyright (c) 2003 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 "opt_puc.h"
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38
39 #include <dev/ofw/ofw_bus.h>
40
41 #include <machine/bus.h>
42 #include <sys/rman.h>
43 #include <machine/resource.h>
44
45 #define PUC_ENTRAILS 1
46 #include <dev/puc/pucvar.h>
47
48 static int
49 puc_ebus_probe(device_t dev)
50 {
51 const char *nm;
52
53 nm = ofw_bus_get_name(dev);
54 if (!strcmp(nm, "se")) {
55 device_set_desc(dev, "Siemens SAB 82532 dual channel SCC");
56 return (0);
57 }
58 return (ENXIO);
59 }
60
61 static int
62 puc_ebus_attach(device_t dev)
63 {
64 struct puc_device_description dd;
65 int i;
66
67 bzero(&dd, sizeof(dd));
68 dd.name = device_get_desc(dev);
69 for (i = 0; i < 2; i++) {
70 dd.ports[i].type = PUC_PORT_TYPE_UART | PUC_PORT_UART_SAB82532;
71 dd.ports[i].bar = 0;
72 dd.ports[i].offset = 0x40 * i;
73 dd.ports[i].serialfreq = 0;
74 dd.ports[i].flags = 0;
75 }
76 return (puc_attach(dev, &dd));
77 }
78
79 static device_method_t puc_ebus_methods[] = {
80 /* Device interface */
81 DEVMETHOD(device_probe, puc_ebus_probe),
82 DEVMETHOD(device_attach, puc_ebus_attach),
83
84 DEVMETHOD(bus_alloc_resource, puc_alloc_resource),
85 DEVMETHOD(bus_release_resource, puc_release_resource),
86 DEVMETHOD(bus_get_resource, puc_get_resource),
87 DEVMETHOD(bus_read_ivar, puc_read_ivar),
88 DEVMETHOD(bus_setup_intr, puc_setup_intr),
89 DEVMETHOD(bus_teardown_intr, puc_teardown_intr),
90 DEVMETHOD(bus_print_child, bus_generic_print_child),
91 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
92 { 0, 0 }
93 };
94
95 static driver_t puc_ebus_driver = {
96 "puc",
97 puc_ebus_methods,
98 sizeof(struct puc_softc),
99 };
100
101 DRIVER_MODULE(puc, ebus, puc_ebus_driver, puc_devclass, 0, 0);
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