27
28#include <sys/param.h>
29#include <sys/systm.h>
30#include <sys/bus.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/malloc.h>
34#include <sys/rman.h>
35#include <machine/bus.h>
36#include <machine/intr.h>
37
38#include <arm/xscale/pxa/pxavar.h>
39#include <arm/xscale/pxa/pxareg.h>
40
41static void pxa_identify(driver_t *, device_t);
42static int pxa_probe(device_t);
43static int pxa_attach(device_t);
44
45static int pxa_print_child(device_t, device_t);
46
47static int pxa_setup_intr(device_t, device_t, struct resource *, int,
48 driver_filter_t *, driver_intr_t *, void *, void **);
49static int pxa_read_ivar(device_t, device_t, int, uintptr_t *);
50
51static struct resource_list * pxa_get_resource_list(device_t, device_t);
52static struct resource * pxa_alloc_resource(device_t, device_t, int,
53 int *, u_long, u_long, u_long, u_int);
54static int pxa_release_resource(device_t, device_t, int,
55 int, struct resource *);
56static int pxa_activate_resource(device_t, device_t,
57 int, int, struct resource *);
58
59static struct resource * pxa_alloc_gpio_irq(device_t, device_t, int,
60 int *, u_long, u_long, u_long, u_int);
61
62struct obio_device {
63 const char *od_name;
64 u_long od_base;
65 u_long od_size;
66 u_int od_irqs[5];
67 struct resource_list od_resources;
68};
69
70static struct obio_device obio_devices[] = {
71 { "icu", PXA2X0_INTCTL_BASE, PXA2X0_INTCTL_SIZE, { 0 } },
72 { "timer", PXA2X0_OST_BASE, PXA2X0_OST_SIZE, { PXA2X0_INT_OST0, PXA2X0_INT_OST1, PXA2X0_INT_OST2, PXA2X0_INT_OST3, 0 } },
73 { "dmac", PXA2X0_DMAC_BASE, PXA2X0_DMAC_SIZE, { PXA2X0_INT_DMA, 0 } },
74 { "gpio", PXA2X0_GPIO_BASE, PXA250_GPIO_SIZE, { PXA2X0_INT_GPIO0, PXA2X0_INT_GPIO1, PXA2X0_INT_GPION, 0 } },
75 { "uart", PXA2X0_FFUART_BASE, PXA2X0_FFUART_SIZE, { PXA2X0_INT_FFUART, 0 } },
76 { "uart", PXA2X0_BTUART_BASE, PXA2X0_BTUART_SIZE, { PXA2X0_INT_BTUART, 0 } },
77 { "uart", PXA2X0_STUART_BASE, PXA2X0_STUART_SIZE, { PXA2X0_INT_STUART, 0 } },
78 { "uart", PXA2X0_HWUART_BASE, PXA2X0_HWUART_SIZE, { PXA2X0_INT_HWUART, 0 } },
79 { "smi", PXA2X0_CS0_START, PXA2X0_CS_SIZE * 6, { 0 } },
80 { NULL, 0, 0, { 0 } }
81};
82
83void
84pxa_identify(driver_t *driver, device_t parent)
85{
86
87 BUS_ADD_CHILD(parent, 0, "pxa", 0);
88}
89
90int
91pxa_probe(device_t dev)
92{
93
94 device_set_desc(dev, "XScale PXA On-board IO");
| 27
28#include <sys/param.h>
29#include <sys/systm.h>
30#include <sys/bus.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/malloc.h>
34#include <sys/rman.h>
35#include <machine/bus.h>
36#include <machine/intr.h>
37
38#include <arm/xscale/pxa/pxavar.h>
39#include <arm/xscale/pxa/pxareg.h>
40
41static void pxa_identify(driver_t *, device_t);
42static int pxa_probe(device_t);
43static int pxa_attach(device_t);
44
45static int pxa_print_child(device_t, device_t);
46
47static int pxa_setup_intr(device_t, device_t, struct resource *, int,
48 driver_filter_t *, driver_intr_t *, void *, void **);
49static int pxa_read_ivar(device_t, device_t, int, uintptr_t *);
50
51static struct resource_list * pxa_get_resource_list(device_t, device_t);
52static struct resource * pxa_alloc_resource(device_t, device_t, int,
53 int *, u_long, u_long, u_long, u_int);
54static int pxa_release_resource(device_t, device_t, int,
55 int, struct resource *);
56static int pxa_activate_resource(device_t, device_t,
57 int, int, struct resource *);
58
59static struct resource * pxa_alloc_gpio_irq(device_t, device_t, int,
60 int *, u_long, u_long, u_long, u_int);
61
62struct obio_device {
63 const char *od_name;
64 u_long od_base;
65 u_long od_size;
66 u_int od_irqs[5];
67 struct resource_list od_resources;
68};
69
70static struct obio_device obio_devices[] = {
71 { "icu", PXA2X0_INTCTL_BASE, PXA2X0_INTCTL_SIZE, { 0 } },
72 { "timer", PXA2X0_OST_BASE, PXA2X0_OST_SIZE, { PXA2X0_INT_OST0, PXA2X0_INT_OST1, PXA2X0_INT_OST2, PXA2X0_INT_OST3, 0 } },
73 { "dmac", PXA2X0_DMAC_BASE, PXA2X0_DMAC_SIZE, { PXA2X0_INT_DMA, 0 } },
74 { "gpio", PXA2X0_GPIO_BASE, PXA250_GPIO_SIZE, { PXA2X0_INT_GPIO0, PXA2X0_INT_GPIO1, PXA2X0_INT_GPION, 0 } },
75 { "uart", PXA2X0_FFUART_BASE, PXA2X0_FFUART_SIZE, { PXA2X0_INT_FFUART, 0 } },
76 { "uart", PXA2X0_BTUART_BASE, PXA2X0_BTUART_SIZE, { PXA2X0_INT_BTUART, 0 } },
77 { "uart", PXA2X0_STUART_BASE, PXA2X0_STUART_SIZE, { PXA2X0_INT_STUART, 0 } },
78 { "uart", PXA2X0_HWUART_BASE, PXA2X0_HWUART_SIZE, { PXA2X0_INT_HWUART, 0 } },
79 { "smi", PXA2X0_CS0_START, PXA2X0_CS_SIZE * 6, { 0 } },
80 { NULL, 0, 0, { 0 } }
81};
82
83void
84pxa_identify(driver_t *driver, device_t parent)
85{
86
87 BUS_ADD_CHILD(parent, 0, "pxa", 0);
88}
89
90int
91pxa_probe(device_t dev)
92{
93
94 device_set_desc(dev, "XScale PXA On-board IO");
|
96}
97
98int
99pxa_attach(device_t dev)
100{
101 struct obio_softc *sc;
102 struct obio_device *od;
103 int i;
104 device_t child;
105
106 sc = device_get_softc(dev);
107
108 sc->obio_bst = obio_tag;
109
110 sc->obio_mem.rm_type = RMAN_ARRAY;
111 sc->obio_mem.rm_descr = "PXA2X0 OBIO Memory";
112 if (rman_init(&sc->obio_mem) != 0)
113 panic("pxa_attach: failed to init obio mem rman");
114 if (rman_manage_region(&sc->obio_mem, 0, PXA250_PERIPH_END) != 0)
115 panic("pxa_attach: failed to set up obio mem rman");
116
117 sc->obio_irq.rm_type = RMAN_ARRAY;
118 sc->obio_irq.rm_descr = "PXA2X0 OBIO IRQ";
119 if (rman_init(&sc->obio_irq) != 0)
120 panic("pxa_attach: failed to init obio irq rman");
121 if (rman_manage_region(&sc->obio_irq, 0, 31) != 0)
122 panic("pxa_attach: failed to set up obio irq rman (main irqs)");
123 if (rman_manage_region(&sc->obio_irq, IRQ_GPIO0, IRQ_GPIO_MAX) != 0)
124 panic("pxa_attach: failed to set up obio irq rman (gpio irqs)");
125
126 for (od = obio_devices; od->od_name != NULL; od++) {
127 resource_list_init(&od->od_resources);
128
129 resource_list_add(&od->od_resources, SYS_RES_MEMORY, 0,
130 od->od_base, od->od_base + od->od_size, od->od_size);
131
132 for (i = 0; od->od_irqs[i] != 0; i++) {
133 resource_list_add(&od->od_resources, SYS_RES_IRQ, i,
134 od->od_irqs[i], od->od_irqs[i], 1);
135 }
136
137 child = device_add_child(dev, od->od_name, -1);
138 device_set_ivars(child, od);
139 }
140
141 bus_generic_probe(dev);
142 bus_generic_attach(dev);
143
144 return (0);
145}
146
147static int
148pxa_print_child(device_t dev, device_t child)
149{
150 struct obio_device *od;
151 int retval;
152
153 od = (struct obio_device *)device_get_ivars(child);
154 if (od == NULL)
155 panic("Unknown device on pxa0");
156
157 retval = 0;
158
159 retval += bus_print_child_header(dev, child);
160
161 retval += resource_list_print_type(&od->od_resources, "at mem",
162 SYS_RES_MEMORY, "0x%08lx");
163 retval += resource_list_print_type(&od->od_resources, "irq",
164 SYS_RES_IRQ, "%ld");
165
166 retval += bus_print_child_footer(dev, child);
167
168 return (retval);
169}
170
171static int
172pxa_setup_intr(device_t dev, device_t child, struct resource *irq, int flags,
173 driver_filter_t *filter, driver_intr_t *ithread, void *arg, void **cookiep)
174{
175 struct obio_softc *sc;
176 int error;
177
178 sc = (struct obio_softc *)device_get_softc(dev);
179
180 error = BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags,
181 filter, ithread, arg, cookiep);
182 if (error)
183 return (error);
184 return (0);
185}
186
187static int
188pxa_teardown_intr(device_t dev, device_t child, struct resource *ires,
189 void *cookie)
190{
191 return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, ires, cookie));}
192
193static int
194pxa_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
195{
196 struct obio_device *od;
197
198 od = (struct obio_device *)device_get_ivars(child);
199
200 switch (which) {
201 case PXA_IVAR_BASE:
202 *((u_long *)result) = od->od_base;
203 break;
204
205 default:
206 return (ENOENT);
207 }
208
209 return (0);
210}
211
212static struct resource_list *
213pxa_get_resource_list(device_t dev, device_t child)
214{
215 struct obio_device *od;
216
217 od = (struct obio_device *)device_get_ivars(child);
218
219 if (od == NULL)
220 return (NULL);
221
222 return (&od->od_resources);
223}
224
225static struct resource *
226pxa_alloc_resource(device_t dev, device_t child, int type, int *rid,
227 u_long start, u_long end, u_long count, u_int flags)
228{
229 struct obio_softc *sc;
230 struct obio_device *od;
231 struct resource *rv;
232 struct resource_list *rl;
233 struct resource_list_entry *rle;
234 struct rman *rm;
235 int needactivate;
236
237 sc = (struct obio_softc *)device_get_softc(dev);
238 od = (struct obio_device *)device_get_ivars(child);
239 rl = &od->od_resources;
240
241 rle = resource_list_find(rl, type, *rid);
242 if (rle == NULL) {
243 /* We can allocate GPIO-based IRQs lazily. */
244 if (type == SYS_RES_IRQ)
245 return (pxa_alloc_gpio_irq(dev, child, type, rid,
246 start, end, count, flags));
247 return (NULL);
248 }
249 if (rle->res != NULL)
250 panic("pxa_alloc_resource: resource is busy");
251
252 switch (type) {
253 case SYS_RES_IRQ:
254 rm = &sc->obio_irq;
255 break;
256
257 case SYS_RES_MEMORY:
258 rm = &sc->obio_mem;
259 break;
260
261 default:
262 return (NULL);
263 }
264
265 needactivate = flags & RF_ACTIVE;
266 flags &= ~RF_ACTIVE;
267 rv = rman_reserve_resource(rm, rle->start, rle->end, rle->count, flags,
268 child);
269 if (rv == NULL)
270 return (NULL);
271 rle->res = rv;
272 rman_set_rid(rv, *rid);
273 if (type == SYS_RES_MEMORY) {
274 rman_set_bustag(rv, sc->obio_bst);
275 rman_set_bushandle(rv, rle->start);
276 }
277
278 if (needactivate) {
279 if (bus_activate_resource(child, type, *rid, rv)) {
280 rman_release_resource(rv);
281 return (NULL);
282 }
283 }
284
285 return (rv);
286}
287
288static int
289pxa_release_resource(device_t dev, device_t child, int type, int rid,
290 struct resource *r)
291{
292 struct obio_device *od;
293 struct resource_list *rl;
294 struct resource_list_entry *rle;
295
296 od = (struct obio_device *)device_get_ivars(child);
297 rl = &od->od_resources;
298
299 if (type == SYS_RES_IOPORT)
300 type = SYS_RES_MEMORY;
301
302 rle = resource_list_find(rl, type, rid);
303
304 if (!rle)
305 panic("pxa_release_resource: can't find resource");
306 if (!rle->res)
307 panic("pxa_release_resource: resource entry is not busy");
308
309 rman_release_resource(rle->res);
310 rle->res = NULL;
311
312 return (0);
313}
314
315static int
316pxa_activate_resource(device_t dev, device_t child, int type, int rid,
317 struct resource *r)
318{
319
320 return (rman_activate_resource(r));
321}
322
323static device_method_t pxa_methods[] = {
324 DEVMETHOD(device_identify, pxa_identify),
325 DEVMETHOD(device_probe, pxa_probe),
326 DEVMETHOD(device_attach, pxa_attach),
327
328 DEVMETHOD(bus_print_child, pxa_print_child),
329
330 DEVMETHOD(bus_read_ivar, pxa_read_ivar),
331 DEVMETHOD(bus_setup_intr, pxa_setup_intr),
332 DEVMETHOD(bus_teardown_intr, pxa_teardown_intr),
333
334 DEVMETHOD(bus_get_resource_list, pxa_get_resource_list),
335 DEVMETHOD(bus_alloc_resource, pxa_alloc_resource),
336 DEVMETHOD(bus_release_resource, pxa_release_resource),
337 DEVMETHOD(bus_activate_resource, pxa_activate_resource),
338
339 {0, 0}
340};
341
342static driver_t pxa_driver = {
343 "pxa",
344 pxa_methods,
345 sizeof(struct obio_softc),
346};
347
348static devclass_t pxa_devclass;
349
350DRIVER_MODULE(pxa, nexus, pxa_driver, pxa_devclass, 0, 0);
351
352static struct resource *
353pxa_alloc_gpio_irq(device_t dev, device_t child, int type, int *rid,
354 u_long start, u_long end, u_long count, u_int flags)
355{
356 struct obio_softc *sc;
357 struct obio_device *od;
358 struct resource_list *rl;
359 struct resource_list_entry *rle;
360 struct resource *rv;
361 struct rman *rm;
362 int needactivate;
363
364 sc = device_get_softc(dev);
365 od = device_get_ivars(child);
366 rl = &od->od_resources;
367 rm = &sc->obio_irq;
368
369 needactivate = flags & RF_ACTIVE;
370 flags &= ~RF_ACTIVE;
371 rv = rman_reserve_resource(rm, start, end, count, flags, child);
372 if (rv == NULL)
373 return (NULL);
374
375 resource_list_add(rl, type, *rid, start, end, count);
376 rle = resource_list_find(rl, type, *rid);
377 if (rle == NULL)
378 panic("pxa_alloc_gpio_irq: unexpectedly can't find resource");
379
380 rle->res = rv;
381 rle->start = rman_get_start(rv);
382 rle->end = rman_get_end(rv);
383 rle->count = count;
384
385 if (needactivate) {
386 if (bus_activate_resource(child, type, *rid, rv)) {
387 rman_release_resource(rv);
388 return (NULL);
389 }
390 }
391
392 if (bootverbose)
393 device_printf(dev, "lazy allocation of irq %ld for %s\n",
394 start, device_get_nameunit(child));
395
396 return (rv);
397}
| 96}
97
98int
99pxa_attach(device_t dev)
100{
101 struct obio_softc *sc;
102 struct obio_device *od;
103 int i;
104 device_t child;
105
106 sc = device_get_softc(dev);
107
108 sc->obio_bst = obio_tag;
109
110 sc->obio_mem.rm_type = RMAN_ARRAY;
111 sc->obio_mem.rm_descr = "PXA2X0 OBIO Memory";
112 if (rman_init(&sc->obio_mem) != 0)
113 panic("pxa_attach: failed to init obio mem rman");
114 if (rman_manage_region(&sc->obio_mem, 0, PXA250_PERIPH_END) != 0)
115 panic("pxa_attach: failed to set up obio mem rman");
116
117 sc->obio_irq.rm_type = RMAN_ARRAY;
118 sc->obio_irq.rm_descr = "PXA2X0 OBIO IRQ";
119 if (rman_init(&sc->obio_irq) != 0)
120 panic("pxa_attach: failed to init obio irq rman");
121 if (rman_manage_region(&sc->obio_irq, 0, 31) != 0)
122 panic("pxa_attach: failed to set up obio irq rman (main irqs)");
123 if (rman_manage_region(&sc->obio_irq, IRQ_GPIO0, IRQ_GPIO_MAX) != 0)
124 panic("pxa_attach: failed to set up obio irq rman (gpio irqs)");
125
126 for (od = obio_devices; od->od_name != NULL; od++) {
127 resource_list_init(&od->od_resources);
128
129 resource_list_add(&od->od_resources, SYS_RES_MEMORY, 0,
130 od->od_base, od->od_base + od->od_size, od->od_size);
131
132 for (i = 0; od->od_irqs[i] != 0; i++) {
133 resource_list_add(&od->od_resources, SYS_RES_IRQ, i,
134 od->od_irqs[i], od->od_irqs[i], 1);
135 }
136
137 child = device_add_child(dev, od->od_name, -1);
138 device_set_ivars(child, od);
139 }
140
141 bus_generic_probe(dev);
142 bus_generic_attach(dev);
143
144 return (0);
145}
146
147static int
148pxa_print_child(device_t dev, device_t child)
149{
150 struct obio_device *od;
151 int retval;
152
153 od = (struct obio_device *)device_get_ivars(child);
154 if (od == NULL)
155 panic("Unknown device on pxa0");
156
157 retval = 0;
158
159 retval += bus_print_child_header(dev, child);
160
161 retval += resource_list_print_type(&od->od_resources, "at mem",
162 SYS_RES_MEMORY, "0x%08lx");
163 retval += resource_list_print_type(&od->od_resources, "irq",
164 SYS_RES_IRQ, "%ld");
165
166 retval += bus_print_child_footer(dev, child);
167
168 return (retval);
169}
170
171static int
172pxa_setup_intr(device_t dev, device_t child, struct resource *irq, int flags,
173 driver_filter_t *filter, driver_intr_t *ithread, void *arg, void **cookiep)
174{
175 struct obio_softc *sc;
176 int error;
177
178 sc = (struct obio_softc *)device_get_softc(dev);
179
180 error = BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags,
181 filter, ithread, arg, cookiep);
182 if (error)
183 return (error);
184 return (0);
185}
186
187static int
188pxa_teardown_intr(device_t dev, device_t child, struct resource *ires,
189 void *cookie)
190{
191 return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, ires, cookie));}
192
193static int
194pxa_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
195{
196 struct obio_device *od;
197
198 od = (struct obio_device *)device_get_ivars(child);
199
200 switch (which) {
201 case PXA_IVAR_BASE:
202 *((u_long *)result) = od->od_base;
203 break;
204
205 default:
206 return (ENOENT);
207 }
208
209 return (0);
210}
211
212static struct resource_list *
213pxa_get_resource_list(device_t dev, device_t child)
214{
215 struct obio_device *od;
216
217 od = (struct obio_device *)device_get_ivars(child);
218
219 if (od == NULL)
220 return (NULL);
221
222 return (&od->od_resources);
223}
224
225static struct resource *
226pxa_alloc_resource(device_t dev, device_t child, int type, int *rid,
227 u_long start, u_long end, u_long count, u_int flags)
228{
229 struct obio_softc *sc;
230 struct obio_device *od;
231 struct resource *rv;
232 struct resource_list *rl;
233 struct resource_list_entry *rle;
234 struct rman *rm;
235 int needactivate;
236
237 sc = (struct obio_softc *)device_get_softc(dev);
238 od = (struct obio_device *)device_get_ivars(child);
239 rl = &od->od_resources;
240
241 rle = resource_list_find(rl, type, *rid);
242 if (rle == NULL) {
243 /* We can allocate GPIO-based IRQs lazily. */
244 if (type == SYS_RES_IRQ)
245 return (pxa_alloc_gpio_irq(dev, child, type, rid,
246 start, end, count, flags));
247 return (NULL);
248 }
249 if (rle->res != NULL)
250 panic("pxa_alloc_resource: resource is busy");
251
252 switch (type) {
253 case SYS_RES_IRQ:
254 rm = &sc->obio_irq;
255 break;
256
257 case SYS_RES_MEMORY:
258 rm = &sc->obio_mem;
259 break;
260
261 default:
262 return (NULL);
263 }
264
265 needactivate = flags & RF_ACTIVE;
266 flags &= ~RF_ACTIVE;
267 rv = rman_reserve_resource(rm, rle->start, rle->end, rle->count, flags,
268 child);
269 if (rv == NULL)
270 return (NULL);
271 rle->res = rv;
272 rman_set_rid(rv, *rid);
273 if (type == SYS_RES_MEMORY) {
274 rman_set_bustag(rv, sc->obio_bst);
275 rman_set_bushandle(rv, rle->start);
276 }
277
278 if (needactivate) {
279 if (bus_activate_resource(child, type, *rid, rv)) {
280 rman_release_resource(rv);
281 return (NULL);
282 }
283 }
284
285 return (rv);
286}
287
288static int
289pxa_release_resource(device_t dev, device_t child, int type, int rid,
290 struct resource *r)
291{
292 struct obio_device *od;
293 struct resource_list *rl;
294 struct resource_list_entry *rle;
295
296 od = (struct obio_device *)device_get_ivars(child);
297 rl = &od->od_resources;
298
299 if (type == SYS_RES_IOPORT)
300 type = SYS_RES_MEMORY;
301
302 rle = resource_list_find(rl, type, rid);
303
304 if (!rle)
305 panic("pxa_release_resource: can't find resource");
306 if (!rle->res)
307 panic("pxa_release_resource: resource entry is not busy");
308
309 rman_release_resource(rle->res);
310 rle->res = NULL;
311
312 return (0);
313}
314
315static int
316pxa_activate_resource(device_t dev, device_t child, int type, int rid,
317 struct resource *r)
318{
319
320 return (rman_activate_resource(r));
321}
322
323static device_method_t pxa_methods[] = {
324 DEVMETHOD(device_identify, pxa_identify),
325 DEVMETHOD(device_probe, pxa_probe),
326 DEVMETHOD(device_attach, pxa_attach),
327
328 DEVMETHOD(bus_print_child, pxa_print_child),
329
330 DEVMETHOD(bus_read_ivar, pxa_read_ivar),
331 DEVMETHOD(bus_setup_intr, pxa_setup_intr),
332 DEVMETHOD(bus_teardown_intr, pxa_teardown_intr),
333
334 DEVMETHOD(bus_get_resource_list, pxa_get_resource_list),
335 DEVMETHOD(bus_alloc_resource, pxa_alloc_resource),
336 DEVMETHOD(bus_release_resource, pxa_release_resource),
337 DEVMETHOD(bus_activate_resource, pxa_activate_resource),
338
339 {0, 0}
340};
341
342static driver_t pxa_driver = {
343 "pxa",
344 pxa_methods,
345 sizeof(struct obio_softc),
346};
347
348static devclass_t pxa_devclass;
349
350DRIVER_MODULE(pxa, nexus, pxa_driver, pxa_devclass, 0, 0);
351
352static struct resource *
353pxa_alloc_gpio_irq(device_t dev, device_t child, int type, int *rid,
354 u_long start, u_long end, u_long count, u_int flags)
355{
356 struct obio_softc *sc;
357 struct obio_device *od;
358 struct resource_list *rl;
359 struct resource_list_entry *rle;
360 struct resource *rv;
361 struct rman *rm;
362 int needactivate;
363
364 sc = device_get_softc(dev);
365 od = device_get_ivars(child);
366 rl = &od->od_resources;
367 rm = &sc->obio_irq;
368
369 needactivate = flags & RF_ACTIVE;
370 flags &= ~RF_ACTIVE;
371 rv = rman_reserve_resource(rm, start, end, count, flags, child);
372 if (rv == NULL)
373 return (NULL);
374
375 resource_list_add(rl, type, *rid, start, end, count);
376 rle = resource_list_find(rl, type, *rid);
377 if (rle == NULL)
378 panic("pxa_alloc_gpio_irq: unexpectedly can't find resource");
379
380 rle->res = rv;
381 rle->start = rman_get_start(rv);
382 rle->end = rman_get_end(rv);
383 rle->count = count;
384
385 if (needactivate) {
386 if (bus_activate_resource(child, type, *rid, rv)) {
387 rman_release_resource(rv);
388 return (NULL);
389 }
390 }
391
392 if (bootverbose)
393 device_printf(dev, "lazy allocation of irq %ld for %s\n",
394 start, device_get_nameunit(child));
395
396 return (rv);
397}
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