1/*-
2 * Copyright (C) 2009 Nathan Whitehorn
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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (C) 2009 Nathan Whitehorn
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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/malloc.h>
35#include <sys/bus.h>
36#include <sys/cpu.h>
37#include <machine/bus.h>
38
39#include <dev/ofw/openfirm.h>
40#include <dev/ofw/ofw_bus.h>
41#include <dev/ofw/ofw_bus_subr.h>
42
43static int ofw_cpulist_probe(device_t);
44static int ofw_cpulist_attach(device_t);
45static const struct ofw_bus_devinfo *ofw_cpulist_get_devinfo(device_t dev,
46 device_t child);
47
48static MALLOC_DEFINE(M_OFWCPU, "ofwcpu", "OFW CPU device information");
49
50static device_method_t ofw_cpulist_methods[] = {
51 /* Device interface */
52 DEVMETHOD(device_probe, ofw_cpulist_probe),
53 DEVMETHOD(device_attach, ofw_cpulist_attach),
54
55 /* Bus interface */
56 DEVMETHOD(bus_add_child, bus_generic_add_child),
57 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
58
59 /* ofw_bus interface */
60 DEVMETHOD(ofw_bus_get_devinfo, ofw_cpulist_get_devinfo),
61 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
62 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
63 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
64 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
65 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
66
67 DEVMETHOD_END
68};
69
70static driver_t ofw_cpulist_driver = {
71 "cpulist",
72 ofw_cpulist_methods,
73 0
74};
75
76static devclass_t ofw_cpulist_devclass;
77
78DRIVER_MODULE(ofw_cpulist, ofwbus, ofw_cpulist_driver, ofw_cpulist_devclass,
79 0, 0);
80
81static int
82ofw_cpulist_probe(device_t dev)
83{
84 const char *name;
85
86 name = ofw_bus_get_name(dev);
87
88 if (name == NULL || strcmp(name, "cpus") != 0)
89 return (ENXIO);
90
91 device_set_desc(dev, "Open Firmware CPU Group");
92
93 return (0);
94}
95
96static int
97ofw_cpulist_attach(device_t dev)
98{
99 phandle_t root, child;
100 device_t cdev;
101 struct ofw_bus_devinfo *dinfo;
102
103 root = ofw_bus_get_node(dev);
104
105 for (child = OF_child(root); child != 0; child = OF_peer(child)) {
106 dinfo = malloc(sizeof(*dinfo), M_OFWCPU, M_WAITOK | M_ZERO);
107
108 if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) {
109 free(dinfo, M_OFWCPU);
110 continue;
111 }
112 cdev = device_add_child(dev, NULL, -1);
113 if (cdev == NULL) {
114 device_printf(dev, "<%s>: device_add_child failed\n",
115 dinfo->obd_name);
116 ofw_bus_gen_destroy_devinfo(dinfo);
117 free(dinfo, M_OFWCPU);
118 continue;
119 }
120 device_set_ivars(cdev, dinfo);
121 }
122
123 return (bus_generic_attach(dev));
124}
125
126static const struct ofw_bus_devinfo *
127ofw_cpulist_get_devinfo(device_t dev, device_t child)
128{
129 return (device_get_ivars(child));
130}
131
132static int ofw_cpu_probe(device_t);
133static int ofw_cpu_attach(device_t);
134static int ofw_cpu_read_ivar(device_t dev, device_t child, int index,
135 uintptr_t *result);
136
137struct ofw_cpu_softc {
138 struct pcpu *sc_cpu_pcpu;
139 uint32_t sc_nominal_mhz;
140};
141
142static device_method_t ofw_cpu_methods[] = {
143 /* Device interface */
144 DEVMETHOD(device_probe, ofw_cpu_probe),
145 DEVMETHOD(device_attach, ofw_cpu_attach),
146
147 /* Bus interface */
148 DEVMETHOD(bus_add_child, bus_generic_add_child),
149 DEVMETHOD(bus_read_ivar, ofw_cpu_read_ivar),
150 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
151 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
152 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
153 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
154 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
155
156 DEVMETHOD_END
157};
158
159static driver_t ofw_cpu_driver = {
160 "cpu",
161 ofw_cpu_methods,
162 sizeof(struct ofw_cpu_softc)
163};
164
165static devclass_t ofw_cpu_devclass;
166
167DRIVER_MODULE(ofw_cpu, cpulist, ofw_cpu_driver, ofw_cpu_devclass, 0, 0);
168
169static int
170ofw_cpu_probe(device_t dev)
171{
172 const char *type = ofw_bus_get_type(dev);
173
| 29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/malloc.h>
35#include <sys/bus.h>
36#include <sys/cpu.h>
37#include <machine/bus.h>
38
39#include <dev/ofw/openfirm.h>
40#include <dev/ofw/ofw_bus.h>
41#include <dev/ofw/ofw_bus_subr.h>
42
43static int ofw_cpulist_probe(device_t);
44static int ofw_cpulist_attach(device_t);
45static const struct ofw_bus_devinfo *ofw_cpulist_get_devinfo(device_t dev,
46 device_t child);
47
48static MALLOC_DEFINE(M_OFWCPU, "ofwcpu", "OFW CPU device information");
49
50static device_method_t ofw_cpulist_methods[] = {
51 /* Device interface */
52 DEVMETHOD(device_probe, ofw_cpulist_probe),
53 DEVMETHOD(device_attach, ofw_cpulist_attach),
54
55 /* Bus interface */
56 DEVMETHOD(bus_add_child, bus_generic_add_child),
57 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
58
59 /* ofw_bus interface */
60 DEVMETHOD(ofw_bus_get_devinfo, ofw_cpulist_get_devinfo),
61 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
62 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
63 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
64 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
65 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
66
67 DEVMETHOD_END
68};
69
70static driver_t ofw_cpulist_driver = {
71 "cpulist",
72 ofw_cpulist_methods,
73 0
74};
75
76static devclass_t ofw_cpulist_devclass;
77
78DRIVER_MODULE(ofw_cpulist, ofwbus, ofw_cpulist_driver, ofw_cpulist_devclass,
79 0, 0);
80
81static int
82ofw_cpulist_probe(device_t dev)
83{
84 const char *name;
85
86 name = ofw_bus_get_name(dev);
87
88 if (name == NULL || strcmp(name, "cpus") != 0)
89 return (ENXIO);
90
91 device_set_desc(dev, "Open Firmware CPU Group");
92
93 return (0);
94}
95
96static int
97ofw_cpulist_attach(device_t dev)
98{
99 phandle_t root, child;
100 device_t cdev;
101 struct ofw_bus_devinfo *dinfo;
102
103 root = ofw_bus_get_node(dev);
104
105 for (child = OF_child(root); child != 0; child = OF_peer(child)) {
106 dinfo = malloc(sizeof(*dinfo), M_OFWCPU, M_WAITOK | M_ZERO);
107
108 if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) {
109 free(dinfo, M_OFWCPU);
110 continue;
111 }
112 cdev = device_add_child(dev, NULL, -1);
113 if (cdev == NULL) {
114 device_printf(dev, "<%s>: device_add_child failed\n",
115 dinfo->obd_name);
116 ofw_bus_gen_destroy_devinfo(dinfo);
117 free(dinfo, M_OFWCPU);
118 continue;
119 }
120 device_set_ivars(cdev, dinfo);
121 }
122
123 return (bus_generic_attach(dev));
124}
125
126static const struct ofw_bus_devinfo *
127ofw_cpulist_get_devinfo(device_t dev, device_t child)
128{
129 return (device_get_ivars(child));
130}
131
132static int ofw_cpu_probe(device_t);
133static int ofw_cpu_attach(device_t);
134static int ofw_cpu_read_ivar(device_t dev, device_t child, int index,
135 uintptr_t *result);
136
137struct ofw_cpu_softc {
138 struct pcpu *sc_cpu_pcpu;
139 uint32_t sc_nominal_mhz;
140};
141
142static device_method_t ofw_cpu_methods[] = {
143 /* Device interface */
144 DEVMETHOD(device_probe, ofw_cpu_probe),
145 DEVMETHOD(device_attach, ofw_cpu_attach),
146
147 /* Bus interface */
148 DEVMETHOD(bus_add_child, bus_generic_add_child),
149 DEVMETHOD(bus_read_ivar, ofw_cpu_read_ivar),
150 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
151 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
152 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
153 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
154 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
155
156 DEVMETHOD_END
157};
158
159static driver_t ofw_cpu_driver = {
160 "cpu",
161 ofw_cpu_methods,
162 sizeof(struct ofw_cpu_softc)
163};
164
165static devclass_t ofw_cpu_devclass;
166
167DRIVER_MODULE(ofw_cpu, cpulist, ofw_cpu_driver, ofw_cpu_devclass, 0, 0);
168
169static int
170ofw_cpu_probe(device_t dev)
171{
172 const char *type = ofw_bus_get_type(dev);
173
|