1 /*-
2 * Copyright 2002 by Peter Grehan. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
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,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 /*
31 * Driver for KeyLargo/Pangea, the MacPPC south bridge ASIC.
32 */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #include <sys/module.h>
39 #include <sys/bus.h>
40 #include <sys/rman.h>
41
42 #include <vm/vm.h>
43 #include <vm/pmap.h>
44
45 #include <machine/bus.h>
46 #include <machine/intr_machdep.h>
47 #include <machine/pmap.h>
48 #include <machine/resource.h>
49 #include <machine/vmparam.h>
50
51 #include <dev/ofw/ofw_bus.h>
52 #include <dev/ofw/ofw_bus_subr.h>
53 #include <dev/ofw/openfirm.h>
54
55 #include <powerpc/powermac/maciovar.h>
56
57 #include <dev/pci/pcivar.h>
58 #include <dev/pci/pcireg.h>
59
60 /*
61 * Macio softc
62 */
63 struct macio_softc {
64 phandle_t sc_node;
65 vm_offset_t sc_base;
66 vm_offset_t sc_size;
67 struct rman sc_mem_rman;
68
69 /* FCR registers */
70 int sc_memrid;
71 struct resource *sc_memr;
72 };
73
74 static MALLOC_DEFINE(M_MACIO, "macio", "macio device information");
75
76 static int macio_probe(device_t);
77 static int macio_attach(device_t);
78 static int macio_print_child(device_t dev, device_t child);
79 static void macio_probe_nomatch(device_t, device_t);
80 static struct resource *macio_alloc_resource(device_t, device_t, int, int *,
81 u_long, u_long, u_long, u_int);
82 static int macio_activate_resource(device_t, device_t, int, int,
83 struct resource *);
84 static int macio_deactivate_resource(device_t, device_t, int, int,
85 struct resource *);
86 static int macio_release_resource(device_t, device_t, int, int,
87 struct resource *);
88 static struct resource_list *macio_get_resource_list (device_t, device_t);
89 static ofw_bus_get_devinfo_t macio_get_devinfo;
90
91 /*
92 * Bus interface definition
93 */
94 static device_method_t macio_methods[] = {
95 /* Device interface */
96 DEVMETHOD(device_probe, macio_probe),
97 DEVMETHOD(device_attach, macio_attach),
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 */
104 DEVMETHOD(bus_print_child, macio_print_child),
105 DEVMETHOD(bus_probe_nomatch, macio_probe_nomatch),
106 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
107 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
108
109 DEVMETHOD(bus_alloc_resource, macio_alloc_resource),
110 DEVMETHOD(bus_release_resource, macio_release_resource),
111 DEVMETHOD(bus_activate_resource, macio_activate_resource),
112 DEVMETHOD(bus_deactivate_resource, macio_deactivate_resource),
113 DEVMETHOD(bus_get_resource_list, macio_get_resource_list),
114
115 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
116
117 /* ofw_bus interface */
118 DEVMETHOD(ofw_bus_get_devinfo, macio_get_devinfo),
119 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
120 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
121 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
122 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
123 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
124
125 { 0, 0 }
126 };
127
128 static driver_t macio_pci_driver = {
129 "macio",
130 macio_methods,
131 sizeof(struct macio_softc)
132 };
133
134 devclass_t macio_devclass;
135
136 DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0);
137
138 /*
139 * PCI ID search table
140 */
141 static struct macio_pci_dev {
142 u_int32_t mpd_devid;
143 char *mpd_desc;
144 } macio_pci_devlist[] = {
145 { 0x0017106b, "Paddington I/O Controller" },
146 { 0x0022106b, "KeyLargo I/O Controller" },
147 { 0x0025106b, "Pangea I/O Controller" },
148 { 0x003e106b, "Intrepid I/O Controller" },
149 { 0x0041106b, "K2 KeyLargo I/O Controller" },
150 { 0x004f106b, "Shasta I/O Controller" },
151 { 0, NULL }
152 };
153
154 /*
155 * Devices to exclude from the probe
156 * XXX some of these may be required in the future...
157 */
158 #define MACIO_QUIRK_IGNORE 0x00000001
159 #define MACIO_QUIRK_CHILD_HAS_INTR 0x00000002
160 #define MACIO_QUIRK_USE_CHILD_REG 0x00000004
161
162 struct macio_quirk_entry {
163 const char *mq_name;
164 int mq_quirks;
165 };
166
167 static struct macio_quirk_entry macio_quirks[] = {
168 { "escc-legacy", MACIO_QUIRK_IGNORE },
169 { "timer", MACIO_QUIRK_IGNORE },
170 { "escc", MACIO_QUIRK_CHILD_HAS_INTR },
171 { "i2s", MACIO_QUIRK_CHILD_HAS_INTR |
172 MACIO_QUIRK_USE_CHILD_REG },
173 { NULL, 0 }
174 };
175
176 static int
macio_get_quirks(const char * name)177 macio_get_quirks(const char *name)
178 {
179 struct macio_quirk_entry *mqe;
180
181 for (mqe = macio_quirks; mqe->mq_name != NULL; mqe++)
182 if (strcmp(name, mqe->mq_name) == 0)
183 return (mqe->mq_quirks);
184 return (0);
185 }
186
187
188 /*
189 * Add an interrupt to the dev's resource list if present
190 */
191 static void
macio_add_intr(phandle_t devnode,struct macio_devinfo * dinfo)192 macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo)
193 {
194 phandle_t iparent;
195 int *intr;
196 int i, nintr;
197 int icells;
198
199 if (dinfo->mdi_ninterrupts >= 6) {
200 printf("macio: device has more than 6 interrupts\n");
201 return;
202 }
203
204 nintr = OF_getprop_alloc(devnode, "interrupts", sizeof(*intr),
205 (void **)&intr);
206 if (nintr == -1) {
207 nintr = OF_getprop_alloc(devnode, "AAPL,interrupts",
208 sizeof(*intr), (void **)&intr);
209 if (nintr == -1)
210 return;
211 }
212
213 if (intr[0] == -1)
214 return;
215
216 if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent))
217 <= 0)
218 panic("Interrupt but no interrupt parent!\n");
219
220 if (OF_getprop(OF_node_from_xref(iparent), "#interrupt-cells", &icells,
221 sizeof(icells)) <= 0)
222 icells = 1;
223
224 for (i = 0; i < nintr; i+=icells) {
225 u_int irq = MAP_IRQ(iparent, intr[i]);
226
227 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
228 dinfo->mdi_ninterrupts, irq, irq, 1);
229
230 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq;
231 dinfo->mdi_ninterrupts++;
232 }
233 }
234
235
236 static void
macio_add_reg(phandle_t devnode,struct macio_devinfo * dinfo)237 macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo)
238 {
239 struct macio_reg *reg, *regp;
240 phandle_t child;
241 char buf[8];
242 int i, layout_id = 0, nreg, res;
243
244 nreg = OF_getprop_alloc(devnode, "reg", sizeof(*reg), (void **)®);
245 if (nreg == -1)
246 return;
247
248 /*
249 * Some G5's have broken properties in the i2s-a area. If so we try
250 * to fix it. Right now we know of two different cases, one for
251 * sound layout-id 36 and the other one for sound layout-id 76.
252 * What is missing is the base address for the memory addresses.
253 * We take them from the parent node (i2s) and use the size
254 * information from the child.
255 */
256
257 if (reg[0].mr_base == 0) {
258 child = OF_child(devnode);
259 while (child != 0) {
260 res = OF_getprop(child, "name", buf, sizeof(buf));
261 if (res > 0 && strcmp(buf, "sound") == 0)
262 break;
263 child = OF_peer(child);
264 }
265
266 res = OF_getprop(child, "layout-id", &layout_id,
267 sizeof(layout_id));
268
269 if (res > 0 && (layout_id == 36 || layout_id == 76)) {
270 res = OF_getprop_alloc(OF_parent(devnode), "reg",
271 sizeof(*regp), (void **)®p);
272 reg[0] = regp[0];
273 reg[1].mr_base = regp[1].mr_base;
274 reg[2].mr_base = regp[1].mr_base + reg[1].mr_size;
275 }
276 }
277
278 for (i = 0; i < nreg; i++) {
279 resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i,
280 reg[i].mr_base, reg[i].mr_base + reg[i].mr_size,
281 reg[i].mr_size);
282 }
283 }
284
285 /*
286 * PCI probe
287 */
288 static int
macio_probe(device_t dev)289 macio_probe(device_t dev)
290 {
291 int i;
292 u_int32_t devid;
293
294 devid = pci_get_devid(dev);
295 for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) {
296 if (devid == macio_pci_devlist[i].mpd_devid) {
297 device_set_desc(dev, macio_pci_devlist[i].mpd_desc);
298 return (0);
299 }
300 }
301
302 return (ENXIO);
303 }
304
305 /*
306 * PCI attach: scan Open Firmware child nodes, and attach these as children
307 * of the macio bus
308 */
309 static int
macio_attach(device_t dev)310 macio_attach(device_t dev)
311 {
312 struct macio_softc *sc;
313 struct macio_devinfo *dinfo;
314 phandle_t root;
315 phandle_t child;
316 phandle_t subchild;
317 device_t cdev;
318 u_int reg[3];
319 char compat[32];
320 int error, quirks;
321
322 sc = device_get_softc(dev);
323 root = sc->sc_node = ofw_bus_get_node(dev);
324
325 /*
326 * Locate the device node and it's base address
327 */
328 if (OF_getprop(root, "assigned-addresses",
329 reg, sizeof(reg)) < (ssize_t)sizeof(reg)) {
330 return (ENXIO);
331 }
332
333 /* Used later to see if we have to enable the I2S part. */
334 OF_getprop(root, "compatible", compat, sizeof(compat));
335
336 sc->sc_base = reg[2];
337 sc->sc_size = MACIO_REG_SIZE;
338
339 sc->sc_memrid = PCIR_BAR(0);
340 sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
341 &sc->sc_memrid, RF_ACTIVE);
342
343 sc->sc_mem_rman.rm_type = RMAN_ARRAY;
344 sc->sc_mem_rman.rm_descr = "MacIO Device Memory";
345 error = rman_init(&sc->sc_mem_rman);
346 if (error) {
347 device_printf(dev, "rman_init() failed. error = %d\n", error);
348 return (error);
349 }
350 error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size);
351 if (error) {
352 device_printf(dev,
353 "rman_manage_region() failed. error = %d\n", error);
354 return (error);
355 }
356
357 /*
358 * Iterate through the sub-devices
359 */
360 for (child = OF_child(root); child != 0; child = OF_peer(child)) {
361 dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO);
362 if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) !=
363 0) {
364 free(dinfo, M_MACIO);
365 continue;
366 }
367 quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name);
368 if ((quirks & MACIO_QUIRK_IGNORE) != 0) {
369 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
370 free(dinfo, M_MACIO);
371 continue;
372 }
373 resource_list_init(&dinfo->mdi_resources);
374 dinfo->mdi_ninterrupts = 0;
375 macio_add_intr(child, dinfo);
376 if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0)
377 macio_add_reg(OF_child(child), dinfo);
378 else
379 macio_add_reg(child, dinfo);
380 if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0)
381 for (subchild = OF_child(child); subchild != 0;
382 subchild = OF_peer(subchild))
383 macio_add_intr(subchild, dinfo);
384 cdev = device_add_child(dev, NULL, -1);
385 if (cdev == NULL) {
386 device_printf(dev, "<%s>: device_add_child failed\n",
387 dinfo->mdi_obdinfo.obd_name);
388 resource_list_free(&dinfo->mdi_resources);
389 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
390 free(dinfo, M_MACIO);
391 continue;
392 }
393 device_set_ivars(cdev, dinfo);
394
395 /* Set FCRs to enable some devices */
396 if (sc->sc_memr == NULL)
397 continue;
398
399 if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 ||
400 strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0) {
401 uint32_t fcr;
402
403 fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR);
404
405 fcr |= FCR_ENET_ENABLE & ~FCR_ENET_RESET;
406 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
407 DELAY(50000);
408 fcr |= FCR_ENET_RESET;
409 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
410 DELAY(50000);
411 fcr &= ~FCR_ENET_RESET;
412 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
413 DELAY(50000);
414
415 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
416 }
417
418 /*
419 * Make sure the I2S0 and the I2S0_CLK are enabled.
420 * On certain G5's they are not.
421 */
422 if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) &&
423 (strcmp(compat, "K2-Keylargo") == 0)) {
424
425 uint32_t fcr1;
426
427 fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1);
428 fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE;
429 bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1);
430 }
431
432 }
433
434 return (bus_generic_attach(dev));
435 }
436
437
438 static int
macio_print_child(device_t dev,device_t child)439 macio_print_child(device_t dev, device_t child)
440 {
441 struct macio_devinfo *dinfo;
442 struct resource_list *rl;
443 int retval = 0;
444
445 dinfo = device_get_ivars(child);
446 rl = &dinfo->mdi_resources;
447
448 retval += bus_print_child_header(dev, child);
449
450 retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#lx");
451 retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
452
453 retval += bus_print_child_footer(dev, child);
454
455 return (retval);
456 }
457
458
459 static void
macio_probe_nomatch(device_t dev,device_t child)460 macio_probe_nomatch(device_t dev, device_t child)
461 {
462 struct macio_devinfo *dinfo;
463 struct resource_list *rl;
464 const char *type;
465
466 if (bootverbose) {
467 dinfo = device_get_ivars(child);
468 rl = &dinfo->mdi_resources;
469
470 if ((type = ofw_bus_get_type(child)) == NULL)
471 type = "(unknown)";
472 device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child));
473 resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#lx");
474 resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
475 printf(" (no driver attached)\n");
476 }
477 }
478
479
480 static struct resource *
macio_alloc_resource(device_t bus,device_t child,int type,int * rid,u_long start,u_long end,u_long count,u_int flags)481 macio_alloc_resource(device_t bus, device_t child, int type, int *rid,
482 u_long start, u_long end, u_long count, u_int flags)
483 {
484 struct macio_softc *sc;
485 int needactivate;
486 struct resource *rv;
487 struct rman *rm;
488 u_long adjstart, adjend, adjcount;
489 struct macio_devinfo *dinfo;
490 struct resource_list_entry *rle;
491
492 sc = device_get_softc(bus);
493 dinfo = device_get_ivars(child);
494
495 needactivate = flags & RF_ACTIVE;
496 flags &= ~RF_ACTIVE;
497
498 switch (type) {
499 case SYS_RES_MEMORY:
500 case SYS_RES_IOPORT:
501 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY,
502 *rid);
503 if (rle == NULL) {
504 device_printf(bus, "no rle for %s memory %d\n",
505 device_get_nameunit(child), *rid);
506 return (NULL);
507 }
508
509 if (start < rle->start)
510 adjstart = rle->start;
511 else if (start > rle->end)
512 adjstart = rle->end;
513 else
514 adjstart = start;
515
516 if (end < rle->start)
517 adjend = rle->start;
518 else if (end > rle->end)
519 adjend = rle->end;
520 else
521 adjend = end;
522
523 adjcount = adjend - adjstart;
524
525 rm = &sc->sc_mem_rman;
526 break;
527
528 case SYS_RES_IRQ:
529 /* Check for passthrough from subattachments like macgpio */
530 if (device_get_parent(child) != bus)
531 return BUS_ALLOC_RESOURCE(device_get_parent(bus), child,
532 type, rid, start, end, count, flags);
533
534 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ,
535 *rid);
536 if (rle == NULL) {
537 if (dinfo->mdi_ninterrupts >= 6) {
538 device_printf(bus,
539 "%s has more than 6 interrupts\n",
540 device_get_nameunit(child));
541 return (NULL);
542 }
543 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
544 dinfo->mdi_ninterrupts, start, start, 1);
545
546 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start;
547 dinfo->mdi_ninterrupts++;
548 }
549
550 return (resource_list_alloc(&dinfo->mdi_resources, bus, child,
551 type, rid, start, end, count, flags));
552
553 default:
554 device_printf(bus, "unknown resource request from %s\n",
555 device_get_nameunit(child));
556 return (NULL);
557 }
558
559 rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
560 child);
561 if (rv == NULL) {
562 device_printf(bus,
563 "failed to reserve resource %#lx - %#lx (%#lx) for %s\n",
564 adjstart, adjend, adjcount, device_get_nameunit(child));
565 return (NULL);
566 }
567
568 rman_set_rid(rv, *rid);
569
570 if (needactivate) {
571 if (bus_activate_resource(child, type, *rid, rv) != 0) {
572 device_printf(bus,
573 "failed to activate resource for %s\n",
574 device_get_nameunit(child));
575 rman_release_resource(rv);
576 return (NULL);
577 }
578 }
579
580 return (rv);
581 }
582
583
584 static int
macio_release_resource(device_t bus,device_t child,int type,int rid,struct resource * res)585 macio_release_resource(device_t bus, device_t child, int type, int rid,
586 struct resource *res)
587 {
588 if (rman_get_flags(res) & RF_ACTIVE) {
589 int error = bus_deactivate_resource(child, type, rid, res);
590 if (error)
591 return error;
592 }
593
594 return (rman_release_resource(res));
595 }
596
597
598 static int
macio_activate_resource(device_t bus,device_t child,int type,int rid,struct resource * res)599 macio_activate_resource(device_t bus, device_t child, int type, int rid,
600 struct resource *res)
601 {
602 struct macio_softc *sc;
603 void *p;
604
605 sc = device_get_softc(bus);
606
607 if (type == SYS_RES_IRQ)
608 return (bus_activate_resource(bus, type, rid, res));
609
610 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
611 p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base,
612 (vm_size_t)rman_get_size(res));
613 if (p == NULL)
614 return (ENOMEM);
615 rman_set_virtual(res, p);
616 rman_set_bustag(res, &bs_le_tag);
617 rman_set_bushandle(res, (u_long)p);
618 }
619
620 return (rman_activate_resource(res));
621 }
622
623
624 static int
macio_deactivate_resource(device_t bus,device_t child,int type,int rid,struct resource * res)625 macio_deactivate_resource(device_t bus, device_t child, int type, int rid,
626 struct resource *res)
627 {
628 /*
629 * If this is a memory resource, unmap it.
630 */
631 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
632 u_int32_t psize;
633
634 psize = rman_get_size(res);
635 pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize);
636 }
637
638 return (rman_deactivate_resource(res));
639 }
640
641
642 static struct resource_list *
macio_get_resource_list(device_t dev,device_t child)643 macio_get_resource_list (device_t dev, device_t child)
644 {
645 struct macio_devinfo *dinfo;
646
647 dinfo = device_get_ivars(child);
648 return (&dinfo->mdi_resources);
649 }
650
651 static const struct ofw_bus_devinfo *
macio_get_devinfo(device_t dev,device_t child)652 macio_get_devinfo(device_t dev, device_t child)
653 {
654 struct macio_devinfo *dinfo;
655
656 dinfo = device_get_ivars(child);
657 return (&dinfo->mdi_obdinfo);
658 }
659
660 int
macio_enable_wireless(device_t dev,bool enable)661 macio_enable_wireless(device_t dev, bool enable)
662 {
663 struct macio_softc *sc = device_get_softc(dev);
664 uint32_t x;
665
666 if (enable) {
667 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
668 x |= 0x4;
669 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
670
671 /* Enable card slot. */
672 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
673 DELAY(1000);
674 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
675 DELAY(1000);
676 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
677 x &= ~0x80000000;
678
679 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
680 /* out8(gpio + 0x10, 4); */
681
682 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0);
683 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28);
684 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28);
685 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
686 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);
687 bus_write_4(sc->sc_memr, 0x1c000, 0);
688
689 /* Initialize the card. */
690 bus_write_4(sc->sc_memr, 0x1a3e0, 0x41);
691 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
692 x |= 0x80000000;
693 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
694 } else {
695 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
696 x &= ~0x4;
697 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
698 /* out8(gpio + 0x10, 0); */
699 }
700
701 return (0);
702 }
703