summaryrefslogtreecommitdiff
path: root/target/linux/generic/patches-3.10/020-ssb_update.patch
blob: 07ac79f92df322623cbd784a3a019f719a099867 (plain)
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
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -138,13 +138,13 @@ config SSB_DRIVER_MIPS
 
 config SSB_SFLASH
 	bool "SSB serial flash support"
-	depends on SSB_DRIVER_MIPS && BROKEN
+	depends on SSB_DRIVER_MIPS
 	default y
 
 # Assumption: We are on embedded, if we compile the MIPS core.
 config SSB_EMBEDDED
 	bool
-	depends on SSB_DRIVER_MIPS
+	depends on SSB_DRIVER_MIPS && SSB_PCICORE_HOSTMODE
 	default y
 
 config SSB_DRIVER_EXTIF
@@ -168,6 +168,7 @@ config SSB_DRIVER_GIGE
 config SSB_DRIVER_GPIO
 	bool "SSB GPIO driver"
 	depends on SSB && GPIOLIB
+	select IRQ_DOMAIN if SSB_EMBEDDED
 	help
 	  Driver to provide access to the GPIO pins on the bus.
 
--- a/drivers/ssb/driver_chipcommon_sflash.c
+++ b/drivers/ssb/driver_chipcommon_sflash.c
@@ -9,6 +9,19 @@
 
 #include "ssb_private.h"
 
+static struct resource ssb_sflash_resource = {
+	.name	= "ssb_sflash",
+	.start	= SSB_FLASH2,
+	.end	= 0,
+	.flags  = IORESOURCE_MEM | IORESOURCE_READONLY,
+};
+
+struct platform_device ssb_sflash_dev = {
+	.name		= "ssb_sflash",
+	.resource	= &ssb_sflash_resource,
+	.num_resources	= 1,
+};
+
 struct ssb_sflash_tbl_e {
 	char *name;
 	u32 id;
@@ -16,7 +29,7 @@ struct ssb_sflash_tbl_e {
 	u16 numblocks;
 };
 
-static struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
+static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
 	{ "M25P20", 0x11, 0x10000, 4, },
 	{ "M25P40", 0x12, 0x10000, 8, },
 
@@ -24,10 +37,10 @@ static struct ssb_sflash_tbl_e ssb_sflas
 	{ "M25P32", 0x15, 0x10000, 64, },
 	{ "M25P64", 0x16, 0x10000, 128, },
 	{ "M25FL128", 0x17, 0x10000, 256, },
-	{ 0 },
+	{ NULL },
 };
 
-static struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
+static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
 	{ "SST25WF512", 1, 0x1000, 16, },
 	{ "SST25VF512", 0x48, 0x1000, 16, },
 	{ "SST25WF010", 2, 0x1000, 32, },
@@ -42,10 +55,10 @@ static struct ssb_sflash_tbl_e ssb_sflas
 	{ "SST25VF016", 0x41, 0x1000, 512, },
 	{ "SST25VF032", 0x4a, 0x1000, 1024, },
 	{ "SST25VF064", 0x4b, 0x1000, 2048, },
-	{ 0 },
+	{ NULL },
 };
 
-static struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
+static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
 	{ "AT45DB011", 0xc, 256, 512, },
 	{ "AT45DB021", 0x14, 256, 1024, },
 	{ "AT45DB041", 0x1c, 256, 2048, },
@@ -53,7 +66,7 @@ static struct ssb_sflash_tbl_e ssb_sflas
 	{ "AT45DB161", 0x2c, 512, 4096, },
 	{ "AT45DB321", 0x34, 512, 8192, },
 	{ "AT45DB642", 0x3c, 1024, 8192, },
-	{ 0 },
+	{ NULL },
 };
 
 static void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode)
@@ -73,7 +86,8 @@ static void ssb_sflash_cmd(struct ssb_ch
 /* Initialize serial flash access */
 int ssb_sflash_init(struct ssb_chipcommon *cc)
 {
-	struct ssb_sflash_tbl_e *e;
+	struct ssb_sflash *sflash = &cc->dev->bus->mipscore.sflash;
+	const struct ssb_sflash_tbl_e *e;
 	u32 id, id2;
 
 	switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
@@ -131,10 +145,20 @@ int ssb_sflash_init(struct ssb_chipcommo
 		return -ENOTSUPP;
 	}
 
-	pr_info("Found %s serial flash (blocksize: 0x%X, blocks: %d)\n",
-		e->name, e->blocksize, e->numblocks);
-
-	pr_err("Serial flash support is not implemented yet!\n");
+	sflash->window = SSB_FLASH2;
+	sflash->blocksize = e->blocksize;
+	sflash->numblocks = e->numblocks;
+	sflash->size = sflash->blocksize * sflash->numblocks;
+	sflash->present = true;
+
+	pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+		e->name, sflash->size / 1024, e->blocksize, e->numblocks);
+
+	/* Prepare platform device, but don't register it yet. It's too early,
+	 * malloc (required by device_private_init) is not available yet. */
+	ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start +
+					 sflash->size;
+	ssb_sflash_dev.dev.platform_data = sflash;
 
-	return -ENOTSUPP;
+	return 0;
 }
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
@@ -9,16 +9,40 @@
  */
 
 #include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/export.h>
 #include <linux/ssb/ssb.h>
 
 #include "ssb_private.h"
 
+
+/**************************************************
+ * Shared
+ **************************************************/
+
 static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip)
 {
 	return container_of(chip, struct ssb_bus, gpio);
 }
 
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+	struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+	if (bus->bustype == SSB_BUSTYPE_SSB)
+		return irq_find_mapping(bus->irq_domain, gpio);
+	else
+		return -EINVAL;
+}
+#endif
+
+/**************************************************
+ * ChipCommon
+ **************************************************/
+
 static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio)
 {
 	struct ssb_bus *bus = ssb_gpio_get_bus(chip);
@@ -74,19 +98,129 @@ static void ssb_gpio_chipco_free(struct
 	ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
 }
 
-static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio)
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static void ssb_gpio_irq_chipco_mask(struct irq_data *d)
 {
-	struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+	struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
 
-	if (bus->bustype == SSB_BUSTYPE_SSB)
-		return ssb_mips_irq(bus->chipco.dev) + 2;
-	else
-		return -EINVAL;
+	ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), 0);
+}
+
+static void ssb_gpio_irq_chipco_unmask(struct irq_data *d)
+{
+	struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
+	u32 val = ssb_chipco_gpio_in(&bus->chipco, BIT(gpio));
+
+	ssb_chipco_gpio_polarity(&bus->chipco, BIT(gpio), val);
+	ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), BIT(gpio));
+}
+
+static struct irq_chip ssb_gpio_irq_chipco_chip = {
+	.name		= "SSB-GPIO-CC",
+	.irq_mask	= ssb_gpio_irq_chipco_mask,
+	.irq_unmask	= ssb_gpio_irq_chipco_unmask,
+};
+
+static irqreturn_t ssb_gpio_irq_chipco_handler(int irq, void *dev_id)
+{
+	struct ssb_bus *bus = dev_id;
+	struct ssb_chipcommon *chipco = &bus->chipco;
+	u32 val = chipco_read32(chipco, SSB_CHIPCO_GPIOIN);
+	u32 mask = chipco_read32(chipco, SSB_CHIPCO_GPIOIRQ);
+	u32 pol = chipco_read32(chipco, SSB_CHIPCO_GPIOPOL);
+	unsigned long irqs = (val ^ pol) & mask;
+	int gpio;
+
+	if (!irqs)
+		return IRQ_NONE;
+
+	for_each_set_bit(gpio, &irqs, bus->gpio.ngpio)
+		generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio));
+	ssb_chipco_gpio_polarity(chipco, irqs, val & irqs);
+
+	return IRQ_HANDLED;
+}
+
+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus)
+{
+	struct ssb_chipcommon *chipco = &bus->chipco;
+	struct gpio_chip *chip = &bus->gpio;
+	int gpio, hwirq, err;
+
+	if (bus->bustype != SSB_BUSTYPE_SSB)
+		return 0;
+
+	bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
+						&irq_domain_simple_ops, chipco);
+	if (!bus->irq_domain) {
+		err = -ENODEV;
+		goto err_irq_domain;
+	}
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_create_mapping(bus->irq_domain, gpio);
+
+		irq_set_chip_data(irq, bus);
+		irq_set_chip_and_handler(irq, &ssb_gpio_irq_chipco_chip,
+					 handle_simple_irq);
+	}
+
+	hwirq = ssb_mips_irq(bus->chipco.dev) + 2;
+	err = request_irq(hwirq, ssb_gpio_irq_chipco_handler, IRQF_SHARED,
+			  "gpio", bus);
+	if (err)
+		goto err_req_irq;
+
+	ssb_chipco_gpio_intmask(&bus->chipco, ~0, 0);
+	chipco_set32(chipco, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO);
+
+	return 0;
+
+err_req_irq:
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(bus->irq_domain);
+err_irq_domain:
+	return err;
+}
+
+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus)
+{
+	struct ssb_chipcommon *chipco = &bus->chipco;
+	struct gpio_chip *chip = &bus->gpio;
+	int gpio;
+
+	if (bus->bustype != SSB_BUSTYPE_SSB)
+		return;
+
+	chipco_mask32(chipco, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO);
+	free_irq(ssb_mips_irq(bus->chipco.dev) + 2, chipco);
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(bus->irq_domain);
+}
+#else
+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus)
+{
+	return 0;
+}
+
+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus)
+{
 }
+#endif
 
 static int ssb_gpio_chipco_init(struct ssb_bus *bus)
 {
 	struct gpio_chip *chip = &bus->gpio;
+	int err;
 
 	chip->label		= "ssb_chipco_gpio";
 	chip->owner		= THIS_MODULE;
@@ -96,7 +230,9 @@ static int ssb_gpio_chipco_init(struct s
 	chip->set		= ssb_gpio_chipco_set_value;
 	chip->direction_input	= ssb_gpio_chipco_direction_input;
 	chip->direction_output	= ssb_gpio_chipco_direction_output;
-	chip->to_irq		= ssb_gpio_chipco_to_irq;
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+	chip->to_irq		= ssb_gpio_to_irq;
+#endif
 	chip->ngpio		= 16;
 	/* There is just one SoC in one device and its GPIO addresses should be
 	 * deterministic to address them more easily. The other buses could get
@@ -106,9 +242,23 @@ static int ssb_gpio_chipco_init(struct s
 	else
 		chip->base		= -1;
 
-	return gpiochip_add(chip);
+	err = ssb_gpio_irq_chipco_domain_init(bus);
+	if (err)
+		return err;
+
+	err = gpiochip_add(chip);
+	if (err) {
+		ssb_gpio_irq_chipco_domain_exit(bus);
+		return err;
+	}
+
+	return 0;
 }
 
+/**************************************************
+ * EXTIF
+ **************************************************/
+
 #ifdef CONFIG_SSB_DRIVER_EXTIF
 
 static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio)
@@ -145,19 +295,127 @@ static int ssb_gpio_extif_direction_outp
 	return 0;
 }
 
-static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio)
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static void ssb_gpio_irq_extif_mask(struct irq_data *d)
 {
-	struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+	struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
 
-	if (bus->bustype == SSB_BUSTYPE_SSB)
-		return ssb_mips_irq(bus->extif.dev) + 2;
-	else
-		return -EINVAL;
+	ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), 0);
+}
+
+static void ssb_gpio_irq_extif_unmask(struct irq_data *d)
+{
+	struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
+	u32 val = ssb_extif_gpio_in(&bus->extif, BIT(gpio));
+
+	ssb_extif_gpio_polarity(&bus->extif, BIT(gpio), val);
+	ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), BIT(gpio));
+}
+
+static struct irq_chip ssb_gpio_irq_extif_chip = {
+	.name		= "SSB-GPIO-EXTIF",
+	.irq_mask	= ssb_gpio_irq_extif_mask,
+	.irq_unmask	= ssb_gpio_irq_extif_unmask,
+};
+
+static irqreturn_t ssb_gpio_irq_extif_handler(int irq, void *dev_id)
+{
+	struct ssb_bus *bus = dev_id;
+	struct ssb_extif *extif = &bus->extif;
+	u32 val = ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN);
+	u32 mask = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTMASK);
+	u32 pol = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTPOL);
+	unsigned long irqs = (val ^ pol) & mask;
+	int gpio;
+
+	if (!irqs)
+		return IRQ_NONE;
+
+	for_each_set_bit(gpio, &irqs, bus->gpio.ngpio)
+		generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio));
+	ssb_extif_gpio_polarity(extif, irqs, val & irqs);
+
+	return IRQ_HANDLED;
+}
+
+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus)
+{
+	struct ssb_extif *extif = &bus->extif;
+	struct gpio_chip *chip = &bus->gpio;
+	int gpio, hwirq, err;
+
+	if (bus->bustype != SSB_BUSTYPE_SSB)
+		return 0;
+
+	bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
+						&irq_domain_simple_ops, extif);
+	if (!bus->irq_domain) {
+		err = -ENODEV;
+		goto err_irq_domain;
+	}
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_create_mapping(bus->irq_domain, gpio);
+
+		irq_set_chip_data(irq, bus);
+		irq_set_chip_and_handler(irq, &ssb_gpio_irq_extif_chip,
+					 handle_simple_irq);
+	}
+
+	hwirq = ssb_mips_irq(bus->extif.dev) + 2;
+	err = request_irq(hwirq, ssb_gpio_irq_extif_handler, IRQF_SHARED,
+			  "gpio", bus);
+	if (err)
+		goto err_req_irq;
+
+	ssb_extif_gpio_intmask(&bus->extif, ~0, 0);
+
+	return 0;
+
+err_req_irq:
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(bus->irq_domain);
+err_irq_domain:
+	return err;
 }
 
+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus)
+{
+	struct ssb_extif *extif = &bus->extif;
+	struct gpio_chip *chip = &bus->gpio;
+	int gpio;
+
+	if (bus->bustype != SSB_BUSTYPE_SSB)
+		return;
+
+	free_irq(ssb_mips_irq(bus->extif.dev) + 2, extif);
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(bus->irq_domain);
+}
+#else
+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus)
+{
+	return 0;
+}
+
+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus)
+{
+}
+#endif
+
 static int ssb_gpio_extif_init(struct ssb_bus *bus)
 {
 	struct gpio_chip *chip = &bus->gpio;
+	int err;
 
 	chip->label		= "ssb_extif_gpio";
 	chip->owner		= THIS_MODULE;
@@ -165,7 +423,9 @@ static int ssb_gpio_extif_init(struct ss
 	chip->set		= ssb_gpio_extif_set_value;
 	chip->direction_input	= ssb_gpio_extif_direction_input;
 	chip->direction_output	= ssb_gpio_extif_direction_output;
-	chip->to_irq		= ssb_gpio_extif_to_irq;
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+	chip->to_irq		= ssb_gpio_to_irq;
+#endif
 	chip->ngpio		= 5;
 	/* There is just one SoC in one device and its GPIO addresses should be
 	 * deterministic to address them more easily. The other buses could get
@@ -175,7 +435,17 @@ static int ssb_gpio_extif_init(struct ss
 	else
 		chip->base		= -1;
 
-	return gpiochip_add(chip);
+	err = ssb_gpio_irq_extif_domain_init(bus);
+	if (err)
+		return err;
+
+	err = gpiochip_add(chip);
+	if (err) {
+		ssb_gpio_irq_extif_domain_exit(bus);
+		return err;
+	}
+
+	return 0;
 }
 
 #else
@@ -185,6 +455,10 @@ static int ssb_gpio_extif_init(struct ss
 }
 #endif
 
+/**************************************************
+ * Init
+ **************************************************/
+
 int ssb_gpio_init(struct ssb_bus *bus)
 {
 	if (ssb_chipco_available(&bus->chipco))
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -553,6 +553,14 @@ static int ssb_devices_register(struct s
 	}
 #endif
 
+#ifdef CONFIG_SSB_SFLASH
+	if (bus->mipscore.sflash.present) {
+		err = platform_device_register(&ssb_sflash_dev);
+		if (err)
+			pr_err("Error registering serial flash\n");
+	}
+#endif
+
 	return 0;
 error:
 	/* Unwind the already registered devices. */
@@ -582,6 +590,13 @@ static int ssb_attach_queued_buses(void)
 		ssb_pcicore_init(&bus->pcicore);
 		if (bus->bustype == SSB_BUSTYPE_SSB)
 			ssb_watchdog_register(bus);
+
+		err = ssb_gpio_init(bus);
+		if (err == -ENOTSUPP)
+			ssb_dbg("GPIO driver not activated\n");
+		else if (err)
+			ssb_dbg("Error registering GPIO driver: %i\n", err);
+
 		ssb_bus_may_powerdown(bus);
 
 		err = ssb_devices_register(bus);
@@ -819,11 +834,6 @@ static int ssb_bus_register(struct ssb_b
 	ssb_chipcommon_init(&bus->chipco);
 	ssb_extif_init(&bus->extif);
 	ssb_mipscore_init(&bus->mipscore);
-	err = ssb_gpio_init(bus);
-	if (err == -ENOTSUPP)
-		ssb_dbg("GPIO driver not activated\n");
-	else if (err)
-		ssb_dbg("Error registering GPIO driver: %i\n", err);
 	err = ssb_fetch_invariants(bus, get_invariants);
 	if (err) {
 		ssb_bus_may_powerdown(bus);
--- a/drivers/ssb/pcihost_wrapper.c
+++ b/drivers/ssb/pcihost_wrapper.c
@@ -38,7 +38,7 @@ static int ssb_pcihost_resume(struct pci
 	struct ssb_bus *ssb = pci_get_drvdata(dev);
 	int err;
 
-	pci_set_power_state(dev, 0);
+	pci_set_power_state(dev, PCI_D0);
 	err = pci_enable_device(dev);
 	if (err)
 		return err;
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -54,7 +54,7 @@ static int hex2sprom(u16 *sprom, const c
 	while (cnt < sprom_size_words) {
 		memcpy(tmp, dump, 4);
 		dump += 4;
-		err = strict_strtoul(tmp, 16, &parsed);
+		err = kstrtoul(tmp, 16, &parsed);
 		if (err)
 			return err;
 		sprom[cnt++] = swab16((u16)parsed);
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -243,6 +243,10 @@ static inline int ssb_sflash_init(struct
 extern struct platform_device ssb_pflash_dev;
 #endif
 
+#ifdef CONFIG_SSB_SFLASH
+extern struct platform_device ssb_sflash_dev;
+#endif
+
 #ifdef CONFIG_SSB_DRIVER_EXTIF
 extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
 extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -33,6 +33,7 @@ struct ssb_sprom {
 	u8 et1phyaddr;		/* MII address for enet1 */
 	u8 et0mdcport;		/* MDIO for enet0 */
 	u8 et1mdcport;		/* MDIO for enet1 */
+	u16 dev_id;		/* Device ID overriding e.g. PCI ID */
 	u16 board_rev;		/* Board revision number from SPROM. */
 	u16 board_num;		/* Board number from SPROM. */
 	u16 board_type;		/* Board type from SPROM. */
@@ -486,6 +487,7 @@ struct ssb_bus {
 #endif /* EMBEDDED */
 #ifdef CONFIG_SSB_DRIVER_GPIO
 	struct gpio_chip gpio;
+	struct irq_domain *irq_domain;
 #endif /* DRIVER_GPIO */
 
 	/* Internal-only stuff follows. Do not touch. */
--- a/include/linux/ssb/ssb_driver_gige.h
+++ b/include/linux/ssb/ssb_driver_gige.h
@@ -108,6 +108,16 @@ static inline int ssb_gige_get_macaddr(s
 	return 0;
 }
 
+/* Get the device phy address */
+static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev)
+{
+	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
+	if (!dev)
+		return -ENODEV;
+
+	return dev->dev->bus->sprom.et0phyaddr;
+}
+
 extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
 					  struct pci_dev *pdev);
 extern int ssb_gige_map_irq(struct ssb_device *sdev,
@@ -174,6 +184,10 @@ static inline int ssb_gige_get_macaddr(s
 {
 	return -ENODEV;
 }
+static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev)
+{
+	return -ENODEV;
+}
 
 #endif /* CONFIG_SSB_DRIVER_GIGE */
 #endif /* LINUX_SSB_DRIVER_GIGE_H_ */
--- a/include/linux/ssb/ssb_driver_mips.h
+++ b/include/linux/ssb/ssb_driver_mips.h
@@ -20,6 +20,18 @@ struct ssb_pflash {
 	u32 window_size;
 };
 
+#ifdef CONFIG_SSB_SFLASH
+struct ssb_sflash {
+	bool present;
+	u32 window;
+	u32 blocksize;
+	u16 numblocks;
+	u32 size;
+
+	void *priv;
+};
+#endif
+
 struct ssb_mipscore {
 	struct ssb_device *dev;
 
@@ -27,6 +39,9 @@ struct ssb_mipscore {
 	struct ssb_serial_port serial_ports[4];
 
 	struct ssb_pflash pflash;
+#ifdef CONFIG_SSB_SFLASH
+	struct ssb_sflash sflash;
+#endif
 };
 
 extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
--- a/include/linux/ssb/ssb_regs.h
+++ b/include/linux/ssb/ssb_regs.h
@@ -172,6 +172,7 @@
 #define SSB_SPROMSIZE_WORDS_R4		220
 #define SSB_SPROMSIZE_BYTES_R123	(SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
 #define SSB_SPROMSIZE_BYTES_R4		(SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
+#define SSB_SPROMSIZE_WORDS_R10		230
 #define SSB_SPROM_BASE1			0x1000
 #define SSB_SPROM_BASE31		0x0800
 #define SSB_SPROM_REVISION		0x007E
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -168,6 +168,7 @@ static void nvram_read_alpha2(const char
 static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
 					const char *prefix, bool fallback)
 {
+	nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback);
 	nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
 	nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
 	nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);