1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
|
/*-
* Copyright 2002 by Peter Grehan. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Driver for KeyLargo/Pangea, the MacPPC south bridge ASIC.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <machine/pmap.h>
#include <machine/resource.h>
#include <machine/vmparam.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/openfirm.h>
#include <powerpc/powermac/maciovar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
/*
* Macio softc
*/
struct macio_softc {
phandle_t sc_node;
vm_offset_t sc_base;
vm_offset_t sc_size;
struct rman sc_mem_rman;
/* FCR registers */
int sc_memrid;
struct resource *sc_memr;
};
static MALLOC_DEFINE(M_MACIO, "macio", "macio device information");
static int macio_probe(device_t);
static int macio_attach(device_t);
static int macio_print_child(device_t dev, device_t child);
static void macio_probe_nomatch(device_t, device_t);
static struct resource *macio_alloc_resource(device_t, device_t, int, int *,
u_long, u_long, u_long, u_int);
static int macio_activate_resource(device_t, device_t, int, int,
struct resource *);
static int macio_deactivate_resource(device_t, device_t, int, int,
struct resource *);
static int macio_release_resource(device_t, device_t, int, int,
struct resource *);
static struct resource_list *macio_get_resource_list (device_t, device_t);
static ofw_bus_get_devinfo_t macio_get_devinfo;
/*
* Bus interface definition
*/
static device_method_t macio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, macio_probe),
DEVMETHOD(device_attach, macio_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */
DEVMETHOD(bus_print_child, macio_print_child),
DEVMETHOD(bus_probe_nomatch, macio_probe_nomatch),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
DEVMETHOD(bus_alloc_resource, macio_alloc_resource),
DEVMETHOD(bus_release_resource, macio_release_resource),
DEVMETHOD(bus_activate_resource, macio_activate_resource),
DEVMETHOD(bus_deactivate_resource, macio_deactivate_resource),
DEVMETHOD(bus_get_resource_list, macio_get_resource_list),
DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
/* ofw_bus interface */
DEVMETHOD(ofw_bus_get_devinfo, macio_get_devinfo),
DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
{ 0, 0 }
};
static driver_t macio_pci_driver = {
"macio",
macio_methods,
sizeof(struct macio_softc)
};
devclass_t macio_devclass;
DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0);
/*
* PCI ID search table
*/
static struct macio_pci_dev {
u_int32_t mpd_devid;
char *mpd_desc;
} macio_pci_devlist[] = {
{ 0x0017106b, "Paddington I/O Controller" },
{ 0x0022106b, "KeyLargo I/O Controller" },
{ 0x0025106b, "Pangea I/O Controller" },
{ 0x003e106b, "Intrepid I/O Controller" },
{ 0x0041106b, "K2 KeyLargo I/O Controller" },
{ 0x004f106b, "Shasta I/O Controller" },
{ 0, NULL }
};
/*
* Devices to exclude from the probe
* XXX some of these may be required in the future...
*/
#define MACIO_QUIRK_IGNORE 0x00000001
#define MACIO_QUIRK_CHILD_HAS_INTR 0x00000002
#define MACIO_QUIRK_USE_CHILD_REG 0x00000004
struct macio_quirk_entry {
const char *mq_name;
int mq_quirks;
};
static struct macio_quirk_entry macio_quirks[] = {
{ "escc-legacy", MACIO_QUIRK_IGNORE },
{ "timer", MACIO_QUIRK_IGNORE },
{ "escc", MACIO_QUIRK_CHILD_HAS_INTR },
{ "i2s", MACIO_QUIRK_CHILD_HAS_INTR |
MACIO_QUIRK_USE_CHILD_REG },
{ NULL, 0 }
};
static int
macio_get_quirks(const char *name)
{
struct macio_quirk_entry *mqe;
for (mqe = macio_quirks; mqe->mq_name != NULL; mqe++)
if (strcmp(name, mqe->mq_name) == 0)
return (mqe->mq_quirks);
return (0);
}
/*
* Add an interrupt to the dev's resource list if present
*/
static void
macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo)
{
phandle_t iparent;
int *intr;
int i, nintr;
int icells;
if (dinfo->mdi_ninterrupts >= 6) {
printf("macio: device has more than 6 interrupts\n");
return;
}
if (OF_searchprop(devnode, "#interrupt-cells", &icells, sizeof(icells))
<= 0)
icells = 1;
nintr = OF_getprop_alloc(devnode, "interrupts", sizeof(*intr),
(void **)&intr);
if (nintr == -1) {
nintr = OF_getprop_alloc(devnode, "AAPL,interrupts",
sizeof(*intr), (void **)&intr);
if (nintr == -1)
return;
}
if (intr[0] == -1)
return;
if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent))
<= 0)
panic("Interrupt but no interrupt parent!\n");
for (i = 0; i < nintr; i+=icells) {
u_int irq = MAP_IRQ(iparent, intr[i]);
resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
dinfo->mdi_ninterrupts, irq, irq, 1);
dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq;
dinfo->mdi_ninterrupts++;
}
}
static void
macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo)
{
struct macio_reg *reg, *regp;
phandle_t child;
char buf[8];
int i, layout_id = 0, nreg, res;
nreg = OF_getprop_alloc(devnode, "reg", sizeof(*reg), (void **)®);
if (nreg == -1)
return;
/*
* Some G5's have broken properties in the i2s-a area. If so we try
* to fix it. Right now we know of two different cases, one for
* sound layout-id 36 and the other one for sound layout-id 76.
* What is missing is the base address for the memory addresses.
* We take them from the parent node (i2s) and use the size
* information from the child.
*/
if (reg[0].mr_base == 0) {
child = OF_child(devnode);
while (child != 0) {
res = OF_getprop(child, "name", buf, sizeof(buf));
if (res > 0 && strcmp(buf, "sound") == 0)
break;
child = OF_peer(child);
}
res = OF_getprop(child, "layout-id", &layout_id,
sizeof(layout_id));
if (res > 0 && (layout_id == 36 || layout_id == 76)) {
res = OF_getprop_alloc(OF_parent(devnode), "reg",
sizeof(*regp), (void **)®p);
reg[0] = regp[0];
reg[1].mr_base = regp[1].mr_base;
reg[2].mr_base = regp[1].mr_base + reg[1].mr_size;
}
}
for (i = 0; i < nreg; i++) {
resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i,
reg[i].mr_base, reg[i].mr_base + reg[i].mr_size,
reg[i].mr_size);
}
}
/*
* PCI probe
*/
static int
macio_probe(device_t dev)
{
int i;
u_int32_t devid;
devid = pci_get_devid(dev);
for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) {
if (devid == macio_pci_devlist[i].mpd_devid) {
device_set_desc(dev, macio_pci_devlist[i].mpd_desc);
return (0);
}
}
return (ENXIO);
}
/*
* PCI attach: scan Open Firmware child nodes, and attach these as children
* of the macio bus
*/
static int
macio_attach(device_t dev)
{
struct macio_softc *sc;
struct macio_devinfo *dinfo;
phandle_t root;
phandle_t child;
phandle_t subchild;
device_t cdev;
u_int reg[3];
char compat[32];
int error, quirks;
sc = device_get_softc(dev);
root = sc->sc_node = ofw_bus_get_node(dev);
/*
* Locate the device node and it's base address
*/
if (OF_getprop(root, "assigned-addresses",
reg, sizeof(reg)) < (ssize_t)sizeof(reg)) {
return (ENXIO);
}
/* Used later to see if we have to enable the I2S part. */
OF_getprop(root, "compatible", compat, sizeof(compat));
sc->sc_base = reg[2];
sc->sc_size = MACIO_REG_SIZE;
sc->sc_memrid = PCIR_BAR(0);
sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&sc->sc_memrid, RF_ACTIVE);
sc->sc_mem_rman.rm_type = RMAN_ARRAY;
sc->sc_mem_rman.rm_descr = "MacIO Device Memory";
error = rman_init(&sc->sc_mem_rman);
if (error) {
device_printf(dev, "rman_init() failed. error = %d\n", error);
return (error);
}
error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size);
if (error) {
device_printf(dev,
"rman_manage_region() failed. error = %d\n", error);
return (error);
}
/*
* Iterate through the sub-devices
*/
for (child = OF_child(root); child != 0; child = OF_peer(child)) {
dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO);
if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) !=
0) {
free(dinfo, M_MACIO);
continue;
}
quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name);
if ((quirks & MACIO_QUIRK_IGNORE) != 0) {
ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
free(dinfo, M_MACIO);
continue;
}
resource_list_init(&dinfo->mdi_resources);
dinfo->mdi_ninterrupts = 0;
macio_add_intr(child, dinfo);
if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0)
macio_add_reg(OF_child(child), dinfo);
else
macio_add_reg(child, dinfo);
if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0)
for (subchild = OF_child(child); subchild != 0;
subchild = OF_peer(subchild))
macio_add_intr(subchild, dinfo);
cdev = device_add_child(dev, NULL, -1);
if (cdev == NULL) {
device_printf(dev, "<%s>: device_add_child failed\n",
dinfo->mdi_obdinfo.obd_name);
resource_list_free(&dinfo->mdi_resources);
ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
free(dinfo, M_MACIO);
continue;
}
device_set_ivars(cdev, dinfo);
/* Set FCRs to enable some devices */
if (sc->sc_memr == NULL)
continue;
if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 ||
strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0) {
uint32_t fcr;
fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR);
fcr |= FCR_ENET_ENABLE & ~FCR_ENET_RESET;
bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
DELAY(50000);
fcr |= FCR_ENET_RESET;
bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
DELAY(50000);
fcr &= ~FCR_ENET_RESET;
bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
DELAY(50000);
bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
}
/*
* Make sure the I2S0 and the I2S0_CLK are enabled.
* On certain G5's they are not.
*/
if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) &&
(strcmp(compat, "K2-Keylargo") == 0)) {
uint32_t fcr1;
fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1);
fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE;
bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1);
}
}
return (bus_generic_attach(dev));
}
static int
macio_print_child(device_t dev, device_t child)
{
struct macio_devinfo *dinfo;
struct resource_list *rl;
int retval = 0;
dinfo = device_get_ivars(child);
rl = &dinfo->mdi_resources;
retval += bus_print_child_header(dev, child);
retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#lx");
retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
retval += bus_print_child_footer(dev, child);
return (retval);
}
static void
macio_probe_nomatch(device_t dev, device_t child)
{
struct macio_devinfo *dinfo;
struct resource_list *rl;
const char *type;
if (bootverbose) {
dinfo = device_get_ivars(child);
rl = &dinfo->mdi_resources;
if ((type = ofw_bus_get_type(child)) == NULL)
type = "(unknown)";
device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child));
resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#lx");
resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
printf(" (no driver attached)\n");
}
}
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)
{
struct macio_softc *sc;
int needactivate;
struct resource *rv;
struct rman *rm;
u_long adjstart, adjend, adjcount;
struct macio_devinfo *dinfo;
struct resource_list_entry *rle;
sc = device_get_softc(bus);
dinfo = device_get_ivars(child);
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY,
*rid);
if (rle == NULL) {
device_printf(bus, "no rle for %s memory %d\n",
device_get_nameunit(child), *rid);
return (NULL);
}
if (start < rle->start)
adjstart = rle->start;
else if (start > rle->end)
adjstart = rle->end;
else
adjstart = start;
if (end < rle->start)
adjend = rle->start;
else if (end > rle->end)
adjend = rle->end;
else
adjend = end;
adjcount = adjend - adjstart;
rm = &sc->sc_mem_rman;
break;
case SYS_RES_IRQ:
/* Check for passthrough from subattachments like macgpio */
if (device_get_parent(child) != bus)
return BUS_ALLOC_RESOURCE(device_get_parent(bus), child,
type, rid, start, end, count, flags);
rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ,
*rid);
if (rle == NULL) {
if (dinfo->mdi_ninterrupts >= 6) {
device_printf(bus,
"%s has more than 6 interrupts\n",
device_get_nameunit(child));
return (NULL);
}
resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
dinfo->mdi_ninterrupts, start, start, 1);
dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start;
dinfo->mdi_ninterrupts++;
}
return (resource_list_alloc(&dinfo->mdi_resources, bus, child,
type, rid, start, end, count, flags));
default:
device_printf(bus, "unknown resource request from %s\n",
device_get_nameunit(child));
return (NULL);
}
rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
child);
if (rv == NULL) {
device_printf(bus,
"failed to reserve resource %#lx - %#lx (%#lx) for %s\n",
adjstart, adjend, adjcount, device_get_nameunit(child));
return (NULL);
}
rman_set_rid(rv, *rid);
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv) != 0) {
device_printf(bus,
"failed to activate resource for %s\n",
device_get_nameunit(child));
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
static int
macio_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
if (rman_get_flags(res) & RF_ACTIVE) {
int error = bus_deactivate_resource(child, type, rid, res);
if (error)
return error;
}
return (rman_release_resource(res));
}
static int
macio_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct macio_softc *sc;
void *p;
sc = device_get_softc(bus);
if (type == SYS_RES_IRQ)
return (bus_activate_resource(bus, type, rid, res));
if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base,
(vm_size_t)rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_le_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static int
macio_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
/*
* If this is a memory resource, unmap it.
*/
if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
u_int32_t psize;
psize = rman_get_size(res);
pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize);
}
return (rman_deactivate_resource(res));
}
static struct resource_list *
macio_get_resource_list (device_t dev, device_t child)
{
struct macio_devinfo *dinfo;
dinfo = device_get_ivars(child);
return (&dinfo->mdi_resources);
}
static const struct ofw_bus_devinfo *
macio_get_devinfo(device_t dev, device_t child)
{
struct macio_devinfo *dinfo;
dinfo = device_get_ivars(child);
return (&dinfo->mdi_obdinfo);
}
int
macio_enable_wireless(device_t dev, bool enable)
{
struct macio_softc *sc = device_get_softc(dev);
uint32_t x;
if (enable) {
x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
x |= 0x4;
bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
/* Enable card slot. */
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
DELAY(1000);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
DELAY(1000);
x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
x &= ~0x80000000;
bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
/* out8(gpio + 0x10, 4); */
bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0);
bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28);
bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);
bus_write_4(sc->sc_memr, 0x1c000, 0);
/* Initialize the card. */
bus_write_4(sc->sc_memr, 0x1a3e0, 0x41);
x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
x |= 0x80000000;
bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
} else {
x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
x &= ~0x4;
bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
/* out8(gpio + 0x10, 0); */
}
return (0);
}
|