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ofwbus.c (261351) ofwbus.c (261513)
1/*-
2 * Copyright 1998 Massachusetts Institute of Technology
3 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>.
4 * Copyright 2006 by Marius Strobl <marius@FreeBSD.org>.
5 * All rights reserved.
6 *
7 * Permission to use, copy, modify, and distribute this software and
8 * its documentation for any purpose and without fee is hereby

--- 19 unchanged lines hidden (view full) ---

28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * from: FreeBSD: src/sys/i386/i386/nexus.c,v 1.43 2001/02/09
33 */
34
35#include <sys/cdefs.h>
1/*-
2 * Copyright 1998 Massachusetts Institute of Technology
3 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>.
4 * Copyright 2006 by Marius Strobl <marius@FreeBSD.org>.
5 * All rights reserved.
6 *
7 * Permission to use, copy, modify, and distribute this software and
8 * its documentation for any purpose and without fee is hereby

--- 19 unchanged lines hidden (view full) ---

28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * from: FreeBSD: src/sys/i386/i386/nexus.c,v 1.43 2001/02/09
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/sys/dev/ofw/ofw_nexus.c 261351 2014-02-01 17:17:35Z nwhitehorn $");
36__FBSDID("$FreeBSD: head/sys/dev/ofw/ofwbus.c 261513 2014-02-05 14:44:22Z nwhitehorn $");
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/bus.h>
41#include <sys/kernel.h>
42#include <sys/malloc.h>
43#include <sys/module.h>
44#include <sys/pcpu.h>
45#include <sys/rman.h>
46
47#include <vm/vm.h>
48#include <vm/pmap.h>
49
50#include <dev/ofw/ofw_bus.h>
51#include <dev/ofw/ofw_bus_subr.h>
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/bus.h>
41#include <sys/kernel.h>
42#include <sys/malloc.h>
43#include <sys/module.h>
44#include <sys/pcpu.h>
45#include <sys/rman.h>
46
47#include <vm/vm.h>
48#include <vm/pmap.h>
49
50#include <dev/ofw/ofw_bus.h>
51#include <dev/ofw/ofw_bus_subr.h>
52#include <dev/ofw/ofw_nexus.h>
53#include <dev/ofw/openfirm.h>
54
55#include <machine/bus.h>
56#include <machine/resource.h>
57
58/*
52#include <dev/ofw/openfirm.h>
53
54#include <machine/bus.h>
55#include <machine/resource.h>
56
57/*
59 * The nexus (which is a pseudo-bus actually) iterates over the nodes that
58 * The ofwbus (which is a pseudo-bus actually) iterates over the nodes that
60 * hang from the Open Firmware root node and adds them as devices to this bus
61 * (except some special nodes which are excluded) so that drivers can be
62 * attached to them.
63 *
59 * hang from the Open Firmware root node and adds them as devices to this bus
60 * (except some special nodes which are excluded) so that drivers can be
61 * attached to them.
62 *
64 * Additionally, interrupt setup/teardown and some resource management are
65 * done at this level.
66 *
67 */
68
63 */
64
69struct nexus_devinfo {
65struct ofwbus_devinfo {
70 struct ofw_bus_devinfo ndi_obdinfo;
71 struct resource_list ndi_rl;
72};
73
66 struct ofw_bus_devinfo ndi_obdinfo;
67 struct resource_list ndi_rl;
68};
69
74static device_probe_t nexus_probe;
75static device_attach_t nexus_attach;
76static bus_print_child_t nexus_print_child;
77static bus_add_child_t nexus_add_child;
78static bus_probe_nomatch_t nexus_probe_nomatch;
79static bus_alloc_resource_t nexus_alloc_resource;
80static bus_adjust_resource_t nexus_adjust_resource;
81static bus_release_resource_t nexus_release_resource;
82static bus_get_resource_list_t nexus_get_resource_list;
83static ofw_bus_get_devinfo_t nexus_get_devinfo;
70struct ofwbus_softc {
71 uint32_t acells, scells;
72 struct rman sc_intr_rman;
73 struct rman sc_mem_rman;
74};
84
75
85static int nexus_inlist(const char *, const char *const *);
86static struct nexus_devinfo * nexus_setup_dinfo(device_t, phandle_t);
87static void nexus_destroy_dinfo(struct nexus_devinfo *);
88static int nexus_print_res(struct nexus_devinfo *);
76static device_identify_t ofwbus_identify;
77static device_probe_t ofwbus_probe;
78static device_attach_t ofwbus_attach;
79static bus_print_child_t ofwbus_print_child;
80static bus_add_child_t ofwbus_add_child;
81static bus_probe_nomatch_t ofwbus_probe_nomatch;
82static bus_alloc_resource_t ofwbus_alloc_resource;
83static bus_adjust_resource_t ofwbus_adjust_resource;
84static bus_release_resource_t ofwbus_release_resource;
85static bus_get_resource_list_t ofwbus_get_resource_list;
86static ofw_bus_get_devinfo_t ofwbus_get_devinfo;
89
87
90static device_method_t nexus_methods[] = {
88static int ofwbus_inlist(const char *, const char *const *);
89static struct ofwbus_devinfo * ofwbus_setup_dinfo(device_t, phandle_t);
90static void ofwbus_destroy_dinfo(struct ofwbus_devinfo *);
91static int ofwbus_print_res(struct ofwbus_devinfo *);
92
93static device_method_t ofwbus_methods[] = {
91 /* Device interface */
94 /* Device interface */
92 DEVMETHOD(device_probe, nexus_probe),
93 DEVMETHOD(device_attach, nexus_attach),
95 DEVMETHOD(device_identify, ofwbus_identify),
96 DEVMETHOD(device_probe, ofwbus_probe),
97 DEVMETHOD(device_attach, ofwbus_attach),
94 DEVMETHOD(device_detach, bus_generic_detach),
95 DEVMETHOD(device_shutdown, bus_generic_shutdown),
96 DEVMETHOD(device_suspend, bus_generic_suspend),
97 DEVMETHOD(device_resume, bus_generic_resume),
98
99 /* Bus interface */
98 DEVMETHOD(device_detach, bus_generic_detach),
99 DEVMETHOD(device_shutdown, bus_generic_shutdown),
100 DEVMETHOD(device_suspend, bus_generic_suspend),
101 DEVMETHOD(device_resume, bus_generic_resume),
102
103 /* Bus interface */
100 DEVMETHOD(bus_print_child, nexus_print_child),
101 DEVMETHOD(bus_probe_nomatch, nexus_probe_nomatch),
104 DEVMETHOD(bus_print_child, ofwbus_print_child),
105 DEVMETHOD(bus_probe_nomatch, ofwbus_probe_nomatch),
102 DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
103 DEVMETHOD(bus_write_ivar, bus_generic_write_ivar),
106 DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
107 DEVMETHOD(bus_write_ivar, bus_generic_write_ivar),
104 DEVMETHOD(bus_add_child, nexus_add_child),
108 DEVMETHOD(bus_add_child, ofwbus_add_child),
105 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
109 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
106 DEVMETHOD(bus_alloc_resource, nexus_alloc_resource),
107 DEVMETHOD(bus_adjust_resource, nexus_adjust_resource),
108 DEVMETHOD(bus_release_resource, nexus_release_resource),
110 DEVMETHOD(bus_alloc_resource, ofwbus_alloc_resource),
111 DEVMETHOD(bus_adjust_resource, ofwbus_adjust_resource),
112 DEVMETHOD(bus_release_resource, ofwbus_release_resource),
109 DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
110 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
113 DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
114 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
111 DEVMETHOD(bus_get_resource_list, nexus_get_resource_list),
115 DEVMETHOD(bus_get_resource_list, ofwbus_get_resource_list),
116 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
117 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
118 DEVMETHOD(bus_config_intr, bus_generic_config_intr),
119 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
120 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
112
113 /* ofw_bus interface */
121
122 /* ofw_bus interface */
114 DEVMETHOD(ofw_bus_get_devinfo, nexus_get_devinfo),
123 DEVMETHOD(ofw_bus_get_devinfo, ofwbus_get_devinfo),
115 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
116 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
117 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
118 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
119 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
120
121 DEVMETHOD_END
122};
123
124 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
125 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
126 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
127 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
128 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
129
130 DEVMETHOD_END
131};
132
124DEFINE_CLASS_0(ofw_nexus, ofw_nexus_driver, nexus_methods,
125 sizeof(struct ofw_nexus_softc));
126MODULE_VERSION(ofw_nexus, 1);
133static driver_t ofwbus_driver = {
134 "ofwbus",
135 ofwbus_methods,
136 sizeof(struct ofwbus_softc)
137};
138static devclass_t ofwbus_devclass;
139DRIVER_MODULE(ofwbus, nexus, ofwbus_driver, ofwbus_devclass, 0, 0);
140MODULE_VERSION(ofwbus, 1);
127
141
128static const char *const nexus_excl_name[] = {
142static const char *const ofwbus_excl_name[] = {
129 "FJSV,system",
130 "aliases",
131 "associations",
132 "chosen",
133 "cmp",
134 "counter-timer", /* No separate device; handled by psycho/sbus */
135 "failsafe",
136 "memory",
137 "openprom",
138 "options",
139 "packages",
140 "physical-memory",
141 "rsc",
142 "sgcn",
143 "todsg",
144 "virtual-memory",
145 NULL
146};
147
143 "FJSV,system",
144 "aliases",
145 "associations",
146 "chosen",
147 "cmp",
148 "counter-timer", /* No separate device; handled by psycho/sbus */
149 "failsafe",
150 "memory",
151 "openprom",
152 "options",
153 "packages",
154 "physical-memory",
155 "rsc",
156 "sgcn",
157 "todsg",
158 "virtual-memory",
159 NULL
160};
161
148static const char *const nexus_excl_type[] = {
162static const char *const ofwbus_excl_type[] = {
149 "core",
150 "cpu",
151 NULL
152};
153
154static int
163 "core",
164 "cpu",
165 NULL
166};
167
168static int
155nexus_inlist(const char *name, const char *const *list)
169ofwbus_inlist(const char *name, const char *const *list)
156{
157 int i;
158
159 if (name == NULL)
160 return (0);
161 for (i = 0; list[i] != NULL; i++)
162 if (strcmp(name, list[i]) == 0)
163 return (1);
164 return (0);
165}
166
170{
171 int i;
172
173 if (name == NULL)
174 return (0);
175 for (i = 0; list[i] != NULL; i++)
176 if (strcmp(name, list[i]) == 0)
177 return (1);
178 return (0);
179}
180
167#define NEXUS_EXCLUDED(name, type) \
168 (nexus_inlist((name), nexus_excl_name) || \
169 ((type) != NULL && nexus_inlist((type), nexus_excl_type)))
181#define OFWBUS_EXCLUDED(name, type) \
182 (ofwbus_inlist((name), ofwbus_excl_name) || \
183 ((type) != NULL && ofwbus_inlist((type), ofwbus_excl_type)))
170
184
185static void
186ofwbus_identify(driver_t *driver, device_t parent)
187{
188
189 /* Check if Open Firmware has been instantiated */
190 if (OF_peer(0) == -1)
191 return;
192
193 if (device_find_child(parent, "ofwbus", -1) == NULL)
194 BUS_ADD_CHILD(parent, 0, "ofwbus", -1);
195}
196
171static int
197static int
172nexus_probe(device_t dev)
198ofwbus_probe(device_t dev)
173{
174
199{
200
175 /* Nexus does always match. */
176 device_set_desc(dev, "Open Firmware Nexus device");
177 return (0);
201 device_set_desc(dev, "Open Firmware Device Tree");
202 return (BUS_PROBE_NOWILDCARD);
178}
179
180static int
203}
204
205static int
181nexus_attach(device_t dev)
206ofwbus_attach(device_t dev)
182{
207{
183 struct nexus_devinfo *ndi;
184 struct ofw_nexus_softc *sc;
208 struct ofwbus_devinfo *ndi;
209 struct ofwbus_softc *sc;
185 device_t cdev;
186 phandle_t node;
187
188 sc = device_get_softc(dev);
189
190 node = OF_peer(0);
191
210 device_t cdev;
211 phandle_t node;
212
213 sc = device_get_softc(dev);
214
215 node = OF_peer(0);
216
217 /*
218 * If no Open Firmware, bail early
219 */
220 if (node == -1)
221 return (ENXIO);
222
192 sc->sc_intr_rman.rm_type = RMAN_ARRAY;
193 sc->sc_intr_rman.rm_descr = "Interrupts";
194 sc->sc_mem_rman.rm_type = RMAN_ARRAY;
195 sc->sc_mem_rman.rm_descr = "Device Memory";
196 if (rman_init(&sc->sc_intr_rman) != 0 ||
197 rman_init(&sc->sc_mem_rman) != 0 ||
198 rman_manage_region(&sc->sc_intr_rman, 0, ~0) != 0 ||
199 rman_manage_region(&sc->sc_mem_rman, 0, BUS_SPACE_MAXADDR) != 0)
200 panic("%s: failed to set up rmans.", __func__);
201
202 /*
203 * Allow devices to identify.
204 */
205 bus_generic_probe(dev);
206
207 /*
223 sc->sc_intr_rman.rm_type = RMAN_ARRAY;
224 sc->sc_intr_rman.rm_descr = "Interrupts";
225 sc->sc_mem_rman.rm_type = RMAN_ARRAY;
226 sc->sc_mem_rman.rm_descr = "Device Memory";
227 if (rman_init(&sc->sc_intr_rman) != 0 ||
228 rman_init(&sc->sc_mem_rman) != 0 ||
229 rman_manage_region(&sc->sc_intr_rman, 0, ~0) != 0 ||
230 rman_manage_region(&sc->sc_mem_rman, 0, BUS_SPACE_MAXADDR) != 0)
231 panic("%s: failed to set up rmans.", __func__);
232
233 /*
234 * Allow devices to identify.
235 */
236 bus_generic_probe(dev);
237
238 /*
208 * If no Open Firmware, bail early
209 */
210 if (node == -1)
211 return (bus_generic_attach(dev));
212
213 /*
214 * Some important numbers
215 */
216 sc->acells = 2;
217 OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
218 sc->scells = 1;
219 OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
220
221 /*
222 * Now walk the OFW tree and attach top-level devices.
223 */
224 for (node = OF_child(node); node > 0; node = OF_peer(node)) {
239 * Some important numbers
240 */
241 sc->acells = 2;
242 OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
243 sc->scells = 1;
244 OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
245
246 /*
247 * Now walk the OFW tree and attach top-level devices.
248 */
249 for (node = OF_child(node); node > 0; node = OF_peer(node)) {
225 if ((ndi = nexus_setup_dinfo(dev, node)) == NULL)
250 if ((ndi = ofwbus_setup_dinfo(dev, node)) == NULL)
226 continue;
227 cdev = device_add_child(dev, NULL, -1);
228 if (cdev == NULL) {
229 device_printf(dev, "<%s>: device_add_child failed\n",
230 ndi->ndi_obdinfo.obd_name);
251 continue;
252 cdev = device_add_child(dev, NULL, -1);
253 if (cdev == NULL) {
254 device_printf(dev, "<%s>: device_add_child failed\n",
255 ndi->ndi_obdinfo.obd_name);
231 nexus_destroy_dinfo(ndi);
256 ofwbus_destroy_dinfo(ndi);
232 continue;
233 }
234 device_set_ivars(cdev, ndi);
235 }
236 return (bus_generic_attach(dev));
237}
238
239static device_t
257 continue;
258 }
259 device_set_ivars(cdev, ndi);
260 }
261 return (bus_generic_attach(dev));
262}
263
264static device_t
240nexus_add_child(device_t dev, u_int order, const char *name, int unit)
265ofwbus_add_child(device_t dev, u_int order, const char *name, int unit)
241{
242 device_t cdev;
266{
267 device_t cdev;
243 struct nexus_devinfo *ndi;
268 struct ofwbus_devinfo *ndi;
244
245 cdev = device_add_child_ordered(dev, order, name, unit);
246 if (cdev == NULL)
247 return (NULL);
248
249 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
250 ndi->ndi_obdinfo.obd_node = -1;
251 resource_list_init(&ndi->ndi_rl);
252 device_set_ivars(cdev, ndi);
253
254 return (cdev);
255}
256
257static int
269
270 cdev = device_add_child_ordered(dev, order, name, unit);
271 if (cdev == NULL)
272 return (NULL);
273
274 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
275 ndi->ndi_obdinfo.obd_node = -1;
276 resource_list_init(&ndi->ndi_rl);
277 device_set_ivars(cdev, ndi);
278
279 return (cdev);
280}
281
282static int
258nexus_print_child(device_t bus, device_t child)
283ofwbus_print_child(device_t bus, device_t child)
259{
260 int rv;
261
262 rv = bus_print_child_header(bus, child);
284{
285 int rv;
286
287 rv = bus_print_child_header(bus, child);
263 rv += nexus_print_res(device_get_ivars(child));
288 rv += ofwbus_print_res(device_get_ivars(child));
264 rv += bus_print_child_footer(bus, child);
265 return (rv);
266}
267
268static void
289 rv += bus_print_child_footer(bus, child);
290 return (rv);
291}
292
293static void
269nexus_probe_nomatch(device_t bus, device_t child)
294ofwbus_probe_nomatch(device_t bus, device_t child)
270{
271 const char *name, *type;
272
273 if (!bootverbose)
274 return;
275
276 name = ofw_bus_get_name(child);
277 type = ofw_bus_get_type(child);
278
279 device_printf(bus, "<%s>",
280 name != NULL ? name : "unknown");
295{
296 const char *name, *type;
297
298 if (!bootverbose)
299 return;
300
301 name = ofw_bus_get_name(child);
302 type = ofw_bus_get_type(child);
303
304 device_printf(bus, "<%s>",
305 name != NULL ? name : "unknown");
281 nexus_print_res(device_get_ivars(child));
306 ofwbus_print_res(device_get_ivars(child));
282 printf(" type %s (no driver attached)\n",
283 type != NULL ? type : "unknown");
284}
285
286static struct resource *
307 printf(" type %s (no driver attached)\n",
308 type != NULL ? type : "unknown");
309}
310
311static struct resource *
287nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
312ofwbus_alloc_resource(device_t bus, device_t child, int type, int *rid,
288 u_long start, u_long end, u_long count, u_int flags)
289{
313 u_long start, u_long end, u_long count, u_int flags)
314{
290 struct ofw_nexus_softc *sc;
315 struct ofwbus_softc *sc;
291 struct rman *rm;
292 struct resource *rv;
293 struct resource_list_entry *rle;
294 int isdefault, passthrough;
295
296 isdefault = (start == 0UL && end == ~0UL);
297 passthrough = (device_get_parent(child) != bus);
298 sc = device_get_softc(bus);

--- 40 unchanged lines hidden (view full) ---

339 rle->end = rman_get_end(rv);
340 rle->count = rle->end - rle->start + 1;
341 }
342
343 return (rv);
344}
345
346static int
316 struct rman *rm;
317 struct resource *rv;
318 struct resource_list_entry *rle;
319 int isdefault, passthrough;
320
321 isdefault = (start == 0UL && end == ~0UL);
322 passthrough = (device_get_parent(child) != bus);
323 sc = device_get_softc(bus);

--- 40 unchanged lines hidden (view full) ---

364 rle->end = rman_get_end(rv);
365 rle->count = rle->end - rle->start + 1;
366 }
367
368 return (rv);
369}
370
371static int
347nexus_adjust_resource(device_t bus, device_t child __unused, int type,
372ofwbus_adjust_resource(device_t bus, device_t child __unused, int type,
348 struct resource *r, u_long start, u_long end)
349{
373 struct resource *r, u_long start, u_long end)
374{
350 struct ofw_nexus_softc *sc;
375 struct ofwbus_softc *sc;
351 struct rman *rm;
376 struct rman *rm;
352 device_t nexus;
377 device_t ofwbus;
353
378
354 nexus = bus;
355 while (strcmp(device_get_name(device_get_parent(nexus)), "root") != 0)
356 nexus = device_get_parent(nexus);
357 sc = device_get_softc(nexus);
379 ofwbus = bus;
380 while (strcmp(device_get_name(device_get_parent(ofwbus)), "root") != 0)
381 ofwbus = device_get_parent(ofwbus);
382 sc = device_get_softc(ofwbus);
358 switch (type) {
359 case SYS_RES_IRQ:
360 rm = &sc->sc_intr_rman;
361 break;
362 case SYS_RES_MEMORY:
363 rm = &sc->sc_mem_rman;
364 break;
365 default:
366 return (EINVAL);
367 }
368 if (rm == NULL)
369 return (ENXIO);
370 if (rman_is_region_manager(r, rm) == 0)
371 return (EINVAL);
372 return (rman_adjust_resource(r, start, end));
373}
374
375static int
383 switch (type) {
384 case SYS_RES_IRQ:
385 rm = &sc->sc_intr_rman;
386 break;
387 case SYS_RES_MEMORY:
388 rm = &sc->sc_mem_rman;
389 break;
390 default:
391 return (EINVAL);
392 }
393 if (rm == NULL)
394 return (ENXIO);
395 if (rman_is_region_manager(r, rm) == 0)
396 return (EINVAL);
397 return (rman_adjust_resource(r, start, end));
398}
399
400static int
376nexus_release_resource(device_t bus __unused, device_t child, int type,
401ofwbus_release_resource(device_t bus __unused, device_t child, int type,
377 int rid, struct resource *r)
378{
379 int error;
380
381 if ((rman_get_flags(r) & RF_ACTIVE) != 0) {
382 error = bus_deactivate_resource(child, type, rid, r);
383 if (error)
384 return (error);
385 }
386 return (rman_release_resource(r));
387}
388
389static struct resource_list *
402 int rid, struct resource *r)
403{
404 int error;
405
406 if ((rman_get_flags(r) & RF_ACTIVE) != 0) {
407 error = bus_deactivate_resource(child, type, rid, r);
408 if (error)
409 return (error);
410 }
411 return (rman_release_resource(r));
412}
413
414static struct resource_list *
390nexus_get_resource_list(device_t bus __unused, device_t child)
415ofwbus_get_resource_list(device_t bus __unused, device_t child)
391{
416{
392 struct nexus_devinfo *ndi;
417 struct ofwbus_devinfo *ndi;
393
394 ndi = device_get_ivars(child);
395 return (&ndi->ndi_rl);
396}
397
398static const struct ofw_bus_devinfo *
418
419 ndi = device_get_ivars(child);
420 return (&ndi->ndi_rl);
421}
422
423static const struct ofw_bus_devinfo *
399nexus_get_devinfo(device_t bus __unused, device_t child)
424ofwbus_get_devinfo(device_t bus __unused, device_t child)
400{
425{
401 struct nexus_devinfo *ndi;
426 struct ofwbus_devinfo *ndi;
402
403 ndi = device_get_ivars(child);
404 return (&ndi->ndi_obdinfo);
405}
406
427
428 ndi = device_get_ivars(child);
429 return (&ndi->ndi_obdinfo);
430}
431
407static struct nexus_devinfo *
408nexus_setup_dinfo(device_t dev, phandle_t node)
432static struct ofwbus_devinfo *
433ofwbus_setup_dinfo(device_t dev, phandle_t node)
409{
434{
410 struct ofw_nexus_softc *sc;
411 struct nexus_devinfo *ndi;
435 struct ofwbus_softc *sc;
436 struct ofwbus_devinfo *ndi;
412 uint32_t *reg, *intr, icells;
413 uint64_t phys, size;
414 phandle_t iparent;
415 int i, j;
416 int nintr;
417 int nreg;
418
419 sc = device_get_softc(dev);
420
421 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
422 if (ofw_bus_gen_setup_devinfo(&ndi->ndi_obdinfo, node) != 0) {
423 free(ndi, M_DEVBUF);
424 return (NULL);
425 }
437 uint32_t *reg, *intr, icells;
438 uint64_t phys, size;
439 phandle_t iparent;
440 int i, j;
441 int nintr;
442 int nreg;
443
444 sc = device_get_softc(dev);
445
446 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
447 if (ofw_bus_gen_setup_devinfo(&ndi->ndi_obdinfo, node) != 0) {
448 free(ndi, M_DEVBUF);
449 return (NULL);
450 }
426 if (NEXUS_EXCLUDED(ndi->ndi_obdinfo.obd_name,
451 if (OFWBUS_EXCLUDED(ndi->ndi_obdinfo.obd_name,
427 ndi->ndi_obdinfo.obd_type)) {
428 ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
429 free(ndi, M_DEVBUF);
430 return (NULL);
431 }
432
433 resource_list_init(&ndi->ndi_rl);
434 nreg = OF_getencprop_alloc(node, "reg", sizeof(*reg), (void **)&reg);

--- 39 unchanged lines hidden (view full) ---

474 }
475 free(intr, M_OFWPROP);
476 }
477
478 return (ndi);
479}
480
481static void
452 ndi->ndi_obdinfo.obd_type)) {
453 ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
454 free(ndi, M_DEVBUF);
455 return (NULL);
456 }
457
458 resource_list_init(&ndi->ndi_rl);
459 nreg = OF_getencprop_alloc(node, "reg", sizeof(*reg), (void **)&reg);

--- 39 unchanged lines hidden (view full) ---

499 }
500 free(intr, M_OFWPROP);
501 }
502
503 return (ndi);
504}
505
506static void
482nexus_destroy_dinfo(struct nexus_devinfo *ndi)
507ofwbus_destroy_dinfo(struct ofwbus_devinfo *ndi)
483{
484
485 resource_list_free(&ndi->ndi_rl);
486 ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
487 free(ndi, M_DEVBUF);
488}
489
490static int
508{
509
510 resource_list_free(&ndi->ndi_rl);
511 ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
512 free(ndi, M_DEVBUF);
513}
514
515static int
491nexus_print_res(struct nexus_devinfo *ndi)
516ofwbus_print_res(struct ofwbus_devinfo *ndi)
492{
493 int rv;
494
495 rv = 0;
496 rv += resource_list_print_type(&ndi->ndi_rl, "mem", SYS_RES_MEMORY,
497 "%#lx");
498 rv += resource_list_print_type(&ndi->ndi_rl, "irq", SYS_RES_IRQ,
499 "%ld");
500 return (rv);
501}
502
517{
518 int rv;
519
520 rv = 0;
521 rv += resource_list_print_type(&ndi->ndi_rl, "mem", SYS_RES_MEMORY,
522 "%#lx");
523 rv += resource_list_print_type(&ndi->ndi_rl, "irq", SYS_RES_IRQ,
524 "%ld");
525 return (rv);
526}
527