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 Benno Rice ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#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 Benno Rice ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
|
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/malloc.h>
34#include <sys/bus.h>
35#include <sys/cpu.h>
36#include <machine/bus.h>
37
38#include <dev/ofw/openfirm.h>
39#include <dev/ofw/ofw_bus.h>
40#include <dev/ofw/ofw_bus_subr.h>
41
42static int ofw_cpulist_probe(device_t);
43static int ofw_cpulist_attach(device_t);
44static const struct ofw_bus_devinfo *ofw_cpulist_get_devinfo(device_t dev,
45 device_t child);
46
47static MALLOC_DEFINE(M_OFWCPU, "ofwcpu", "OFW CPU device information");
48
49static device_method_t ofw_cpulist_methods[] = {
50 /* Device interface */
51 DEVMETHOD(device_probe, ofw_cpulist_probe),
52 DEVMETHOD(device_attach, ofw_cpulist_attach),
53
54 /* Bus interface */
55 DEVMETHOD(bus_add_child, bus_generic_add_child),
56 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
57
58 /* ofw_bus interface */
59 DEVMETHOD(ofw_bus_get_devinfo, ofw_cpulist_get_devinfo),
60 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
61 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
62 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
63 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
64 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
65
66 DEVMETHOD_END
67};
68
69static driver_t ofw_cpulist_driver = {
70 "cpulist",
71 ofw_cpulist_methods,
72 0
73};
74
75static devclass_t ofw_cpulist_devclass;
76
77DRIVER_MODULE(ofw_cpulist, nexus, ofw_cpulist_driver, ofw_cpulist_devclass,
78 0, 0);
79
80static int
81ofw_cpulist_probe(device_t dev)
82{
83 const char *name;
84
85 name = ofw_bus_get_name(dev);
86
87 if (name == NULL || strcmp(name, "cpus") != 0)
88 return (ENXIO);
89
90 device_set_desc(dev, "Open Firmware CPU Group");
91
92 return (0);
93}
94
95static int
96ofw_cpulist_attach(device_t dev)
97{
98 phandle_t root, child;
99 device_t cdev;
100 struct ofw_bus_devinfo *dinfo;
101
102 root = ofw_bus_get_node(dev);
103
104 for (child = OF_child(root); child != 0; child = OF_peer(child)) {
105 dinfo = malloc(sizeof(*dinfo), M_OFWCPU, M_WAITOK | M_ZERO);
106
107 if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) {
108 free(dinfo, M_OFWCPU);
109 continue;
110 }
111 cdev = device_add_child(dev, NULL, -1);
112 if (cdev == NULL) {
113 device_printf(dev, "<%s>: device_add_child failed\n",
114 dinfo->obd_name);
115 ofw_bus_gen_destroy_devinfo(dinfo);
116 free(dinfo, M_OFWCPU);
117 continue;
118 }
119 device_set_ivars(cdev, dinfo);
120 }
121
122 return (bus_generic_attach(dev));
123}
124
125static const struct ofw_bus_devinfo *
126ofw_cpulist_get_devinfo(device_t dev, device_t child)
127{
128 return (device_get_ivars(child));
129}
130
131static int ofw_cpu_probe(device_t);
132static int ofw_cpu_attach(device_t);
133static int ofw_cpu_read_ivar(device_t dev, device_t child, int index,
134 uintptr_t *result);
135
136struct ofw_cpu_softc {
137 struct pcpu *sc_cpu_pcpu;
138 uint32_t sc_nominal_mhz;
139};
140
141static device_method_t ofw_cpu_methods[] = {
142 /* Device interface */
143 DEVMETHOD(device_probe, ofw_cpu_probe),
144 DEVMETHOD(device_attach, ofw_cpu_attach),
145
146 /* Bus interface */
147 DEVMETHOD(bus_add_child, bus_generic_add_child),
148 DEVMETHOD(bus_read_ivar, ofw_cpu_read_ivar),
149 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
150 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
151 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
152 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
153 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
154
155 DEVMETHOD_END
156};
157
158static driver_t ofw_cpu_driver = {
159 "cpu",
160 ofw_cpu_methods,
| 28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/malloc.h>
34#include <sys/bus.h>
35#include <sys/cpu.h>
36#include <machine/bus.h>
37
38#include <dev/ofw/openfirm.h>
39#include <dev/ofw/ofw_bus.h>
40#include <dev/ofw/ofw_bus_subr.h>
41
42static int ofw_cpulist_probe(device_t);
43static int ofw_cpulist_attach(device_t);
44static const struct ofw_bus_devinfo *ofw_cpulist_get_devinfo(device_t dev,
45 device_t child);
46
47static MALLOC_DEFINE(M_OFWCPU, "ofwcpu", "OFW CPU device information");
48
49static device_method_t ofw_cpulist_methods[] = {
50 /* Device interface */
51 DEVMETHOD(device_probe, ofw_cpulist_probe),
52 DEVMETHOD(device_attach, ofw_cpulist_attach),
53
54 /* Bus interface */
55 DEVMETHOD(bus_add_child, bus_generic_add_child),
56 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
57
58 /* ofw_bus interface */
59 DEVMETHOD(ofw_bus_get_devinfo, ofw_cpulist_get_devinfo),
60 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
61 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
62 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
63 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
64 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
65
66 DEVMETHOD_END
67};
68
69static driver_t ofw_cpulist_driver = {
70 "cpulist",
71 ofw_cpulist_methods,
72 0
73};
74
75static devclass_t ofw_cpulist_devclass;
76
77DRIVER_MODULE(ofw_cpulist, nexus, ofw_cpulist_driver, ofw_cpulist_devclass,
78 0, 0);
79
80static int
81ofw_cpulist_probe(device_t dev)
82{
83 const char *name;
84
85 name = ofw_bus_get_name(dev);
86
87 if (name == NULL || strcmp(name, "cpus") != 0)
88 return (ENXIO);
89
90 device_set_desc(dev, "Open Firmware CPU Group");
91
92 return (0);
93}
94
95static int
96ofw_cpulist_attach(device_t dev)
97{
98 phandle_t root, child;
99 device_t cdev;
100 struct ofw_bus_devinfo *dinfo;
101
102 root = ofw_bus_get_node(dev);
103
104 for (child = OF_child(root); child != 0; child = OF_peer(child)) {
105 dinfo = malloc(sizeof(*dinfo), M_OFWCPU, M_WAITOK | M_ZERO);
106
107 if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) {
108 free(dinfo, M_OFWCPU);
109 continue;
110 }
111 cdev = device_add_child(dev, NULL, -1);
112 if (cdev == NULL) {
113 device_printf(dev, "<%s>: device_add_child failed\n",
114 dinfo->obd_name);
115 ofw_bus_gen_destroy_devinfo(dinfo);
116 free(dinfo, M_OFWCPU);
117 continue;
118 }
119 device_set_ivars(cdev, dinfo);
120 }
121
122 return (bus_generic_attach(dev));
123}
124
125static const struct ofw_bus_devinfo *
126ofw_cpulist_get_devinfo(device_t dev, device_t child)
127{
128 return (device_get_ivars(child));
129}
130
131static int ofw_cpu_probe(device_t);
132static int ofw_cpu_attach(device_t);
133static int ofw_cpu_read_ivar(device_t dev, device_t child, int index,
134 uintptr_t *result);
135
136struct ofw_cpu_softc {
137 struct pcpu *sc_cpu_pcpu;
138 uint32_t sc_nominal_mhz;
139};
140
141static device_method_t ofw_cpu_methods[] = {
142 /* Device interface */
143 DEVMETHOD(device_probe, ofw_cpu_probe),
144 DEVMETHOD(device_attach, ofw_cpu_attach),
145
146 /* Bus interface */
147 DEVMETHOD(bus_add_child, bus_generic_add_child),
148 DEVMETHOD(bus_read_ivar, ofw_cpu_read_ivar),
149 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
150 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
151 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
152 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
153 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
154
155 DEVMETHOD_END
156};
157
158static driver_t ofw_cpu_driver = {
159 "cpu",
160 ofw_cpu_methods,
|
162};
163
164static devclass_t ofw_cpu_devclass;
165
166DRIVER_MODULE(ofw_cpu, cpulist, ofw_cpu_driver, ofw_cpu_devclass, 0, 0);
167
168static int
169ofw_cpu_probe(device_t dev)
170{
171 const char *type = ofw_bus_get_type(dev);
172
173 if (strcmp(type, "cpu") != 0)
174 return (ENXIO);
175
176 device_set_desc(dev, "Open Firmware CPU");
177 return (0);
178}
179
180static int
181ofw_cpu_attach(device_t dev)
182{
183 struct ofw_cpu_softc *sc;
184 uint32_t cell;
185
186 sc = device_get_softc(dev);
187 OF_getprop(ofw_bus_get_node(dev), "reg", &cell, sizeof(cell));
188 sc->sc_cpu_pcpu = pcpu_find(cell);
189 OF_getprop(ofw_bus_get_node(dev), "clock-frequency", &cell, sizeof(cell));
190 sc->sc_nominal_mhz = cell / 1000000; /* convert to MHz */
191
192 bus_generic_probe(dev);
193 return (bus_generic_attach(dev));
194}
195
196static int
197ofw_cpu_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
198{
199 struct ofw_cpu_softc *sc;
200
201 sc = device_get_softc(dev);
202
203 switch (index) {
204 case CPU_IVAR_PCPU:
205 *result = (uintptr_t)sc->sc_cpu_pcpu;
206 return (0);
207 case CPU_IVAR_NOMINAL_MHZ:
208 *result = (uintptr_t)sc->sc_nominal_mhz;
209 return (0);
210 }
211
212 return (ENOENT);
213}
214
| 162};
163
164static devclass_t ofw_cpu_devclass;
165
166DRIVER_MODULE(ofw_cpu, cpulist, ofw_cpu_driver, ofw_cpu_devclass, 0, 0);
167
168static int
169ofw_cpu_probe(device_t dev)
170{
171 const char *type = ofw_bus_get_type(dev);
172
173 if (strcmp(type, "cpu") != 0)
174 return (ENXIO);
175
176 device_set_desc(dev, "Open Firmware CPU");
177 return (0);
178}
179
180static int
181ofw_cpu_attach(device_t dev)
182{
183 struct ofw_cpu_softc *sc;
184 uint32_t cell;
185
186 sc = device_get_softc(dev);
187 OF_getprop(ofw_bus_get_node(dev), "reg", &cell, sizeof(cell));
188 sc->sc_cpu_pcpu = pcpu_find(cell);
189 OF_getprop(ofw_bus_get_node(dev), "clock-frequency", &cell, sizeof(cell));
190 sc->sc_nominal_mhz = cell / 1000000; /* convert to MHz */
191
192 bus_generic_probe(dev);
193 return (bus_generic_attach(dev));
194}
195
196static int
197ofw_cpu_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
198{
199 struct ofw_cpu_softc *sc;
200
201 sc = device_get_softc(dev);
202
203 switch (index) {
204 case CPU_IVAR_PCPU:
205 *result = (uintptr_t)sc->sc_cpu_pcpu;
206 return (0);
207 case CPU_IVAR_NOMINAL_MHZ:
208 *result = (uintptr_t)sc->sc_nominal_mhz;
209 return (0);
210 }
211
212 return (ENOENT);
213}
214
|