xref: /freebsd/sys/powerpc/powermac/macio.c (revision 0e97acdf58fe27b09c4824a474b0344daf997c5f)
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
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
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
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 **)&reg);
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 **)&regp);
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
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
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
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
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 *
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
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
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
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 *
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 *
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
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