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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / arch / powerpc / platforms / powermac / feature.c
blob63d82bbc05e9c4f0307be5f88ccb826844dcc7fd
1 /*
2 * Copyright (C) 1996-2001 Paul Mackerras (paulus@cs.anu.edu.au)
3 * Ben. Herrenschmidt (benh@kernel.crashing.org)
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 *
10 * TODO:
11 *
12 * - Replace mdelay with some schedule loop if possible
13 * - Shorten some obfuscated delays on some routines (like modem
14 * power)
15 * - Refcount some clocks (see darwin)
16 * - Split split split...
17 *
18 */
19 #include <linux/types.h>
20 #include <linux/init.h>
21 #include <linux/delay.h>
22 #include <linux/kernel.h>
23 #include <linux/sched.h>
24 #include <linux/of.h>
25 #include <linux/of_address.h>
26 #include <linux/spinlock.h>
27 #include <linux/adb.h>
28 #include <linux/pmu.h>
29 #include <linux/ioport.h>
30 #include <linux/export.h>
31 #include <linux/pci.h>
32 #include <asm/sections.h>
33 #include <asm/errno.h>
34 #include <asm/ohare.h>
35 #include <asm/heathrow.h>
36 #include <asm/keylargo.h>
37 #include <asm/uninorth.h>
38 #include <asm/io.h>
39 #include <asm/prom.h>
40 #include <asm/machdep.h>
41 #include <asm/pmac_feature.h>
42 #include <asm/dbdma.h>
43 #include <asm/pci-bridge.h>
44 #include <asm/pmac_low_i2c.h>
45
46 #undef DEBUG_FEATURE
47
48 #ifdef DEBUG_FEATURE
49 #define DBG(fmt...) printk(KERN_DEBUG fmt)
50 #else
51 #define DBG(fmt...)
52 #endif
53
54 #ifdef CONFIG_6xx
55 extern int powersave_lowspeed;
56 #endif
57
58 extern int powersave_nap;
59 extern struct device_node *k2_skiplist[2];
60
61 /*
62 * We use a single global lock to protect accesses. Each driver has
63 * to take care of its own locking
64 */
65 DEFINE_RAW_SPINLOCK(feature_lock);
66
67 #define LOCK(flags) raw_spin_lock_irqsave(&feature_lock, flags);
68 #define UNLOCK(flags) raw_spin_unlock_irqrestore(&feature_lock, flags);
69
70
71 /*
72 * Instance of some macio stuffs
73 */
74 struct macio_chip macio_chips[MAX_MACIO_CHIPS];
75
76 struct macio_chip *macio_find(struct device_node *child, int type)
77 {
78 while(child) {
79 int i;
80
81 for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++)
82 if (child == macio_chips[i].of_node &&
83 (!type || macio_chips[i].type == type))
84 return &macio_chips[i];
85 child = child->parent;
86 }
87 return NULL;
88 }
89 EXPORT_SYMBOL_GPL(macio_find);
90
91 static const char *macio_names[] =
92 {
93 "Unknown",
94 "Grand Central",
95 "OHare",
96 "OHareII",
97 "Heathrow",
98 "Gatwick",
99 "Paddington",
100 "Keylargo",
101 "Pangea",
102 "Intrepid",
103 "K2",
104 "Shasta",
105 };
106
107
108 struct device_node *uninorth_node;
109 u32 __iomem *uninorth_base;
110
111 static u32 uninorth_rev;
112 static int uninorth_maj;
113 static void __iomem *u3_ht_base;
114
115 /*
116 * For each motherboard family, we have a table of functions pointers
117 * that handle the various features.
118 */
119
120 typedef long (*feature_call)(struct device_node *node, long param, long value);
121
122 struct feature_table_entry {
123 unsigned int selector;
124 feature_call function;
125 };
126
127 struct pmac_mb_def
128 {
129 const char* model_string;
130 const char* model_name;
131 int model_id;
132 struct feature_table_entry* features;
133 unsigned long board_flags;
134 };
135 static struct pmac_mb_def pmac_mb;
136
137 /*
138 * Here are the chip specific feature functions
139 */
140
141 static inline int simple_feature_tweak(struct device_node *node, int type,
142 int reg, u32 mask, int value)
143 {
144 struct macio_chip* macio;
145 unsigned long flags;
146
147 macio = macio_find(node, type);
148 if (!macio)
149 return -ENODEV;
150 LOCK(flags);
151 if (value)
152 MACIO_BIS(reg, mask);
153 else
154 MACIO_BIC(reg, mask);
155 (void)MACIO_IN32(reg);
156 UNLOCK(flags);
157
158 return 0;
159 }
160
161 #ifndef CONFIG_POWER4
162
163 static long ohare_htw_scc_enable(struct device_node *node, long param,
164 long value)
165 {
166 struct macio_chip* macio;
167 unsigned long chan_mask;
168 unsigned long fcr;
169 unsigned long flags;
170 int htw, trans;
171 unsigned long rmask;
172
173 macio = macio_find(node, 0);
174 if (!macio)
175 return -ENODEV;
176 if (!strcmp(node->name, "ch-a"))
177 chan_mask = MACIO_FLAG_SCCA_ON;
178 else if (!strcmp(node->name, "ch-b"))
179 chan_mask = MACIO_FLAG_SCCB_ON;
180 else
181 return -ENODEV;
182
183 htw = (macio->type == macio_heathrow || macio->type == macio_paddington
184 || macio->type == macio_gatwick);
185 /* On these machines, the HRW_SCC_TRANS_EN_N bit mustn't be touched */
186 trans = (pmac_mb.model_id != PMAC_TYPE_YOSEMITE &&
187 pmac_mb.model_id != PMAC_TYPE_YIKES);
188 if (value) {
189 #ifdef CONFIG_ADB_PMU
190 if ((param & 0xfff) == PMAC_SCC_IRDA)
191 pmu_enable_irled(1);
192 #endif /* CONFIG_ADB_PMU */
193 LOCK(flags);
194 fcr = MACIO_IN32(OHARE_FCR);
195 /* Check if scc cell need enabling */
196 if (!(fcr & OH_SCC_ENABLE)) {
197 fcr |= OH_SCC_ENABLE;
198 if (htw) {
199 /* Side effect: this will also power up the
200 * modem, but it's too messy to figure out on which
201 * ports this controls the tranceiver and on which
202 * it controls the modem
203 */
204 if (trans)
205 fcr &= ~HRW_SCC_TRANS_EN_N;
206 MACIO_OUT32(OHARE_FCR, fcr);
207 fcr |= (rmask = HRW_RESET_SCC);
208 MACIO_OUT32(OHARE_FCR, fcr);
209 } else {
210 fcr |= (rmask = OH_SCC_RESET);
211 MACIO_OUT32(OHARE_FCR, fcr);
212 }
213 UNLOCK(flags);
214 (void)MACIO_IN32(OHARE_FCR);
215 mdelay(15);
216 LOCK(flags);
217 fcr &= ~rmask;
218 MACIO_OUT32(OHARE_FCR, fcr);
219 }
220 if (chan_mask & MACIO_FLAG_SCCA_ON)
221 fcr |= OH_SCCA_IO;
222 if (chan_mask & MACIO_FLAG_SCCB_ON)
223 fcr |= OH_SCCB_IO;
224 MACIO_OUT32(OHARE_FCR, fcr);
225 macio->flags |= chan_mask;
226 UNLOCK(flags);
227 if (param & PMAC_SCC_FLAG_XMON)
228 macio->flags |= MACIO_FLAG_SCC_LOCKED;
229 } else {
230 if (macio->flags & MACIO_FLAG_SCC_LOCKED)
231 return -EPERM;
232 LOCK(flags);
233 fcr = MACIO_IN32(OHARE_FCR);
234 if (chan_mask & MACIO_FLAG_SCCA_ON)
235 fcr &= ~OH_SCCA_IO;
236 if (chan_mask & MACIO_FLAG_SCCB_ON)
237 fcr &= ~OH_SCCB_IO;
238 MACIO_OUT32(OHARE_FCR, fcr);
239 if ((fcr & (OH_SCCA_IO | OH_SCCB_IO)) == 0) {
240 fcr &= ~OH_SCC_ENABLE;
241 if (htw && trans)
242 fcr |= HRW_SCC_TRANS_EN_N;
243 MACIO_OUT32(OHARE_FCR, fcr);
244 }
245 macio->flags &= ~(chan_mask);
246 UNLOCK(flags);
247 mdelay(10);
248 #ifdef CONFIG_ADB_PMU
249 if ((param & 0xfff) == PMAC_SCC_IRDA)
250 pmu_enable_irled(0);
251 #endif /* CONFIG_ADB_PMU */
252 }
253 return 0;
254 }
255
256 static long ohare_floppy_enable(struct device_node *node, long param,
257 long value)
258 {
259 return simple_feature_tweak(node, macio_ohare,
260 OHARE_FCR, OH_FLOPPY_ENABLE, value);
261 }
262
263 static long ohare_mesh_enable(struct device_node *node, long param, long value)
264 {
265 return simple_feature_tweak(node, macio_ohare,
266 OHARE_FCR, OH_MESH_ENABLE, value);
267 }
268
269 static long ohare_ide_enable(struct device_node *node, long param, long value)
270 {
271 switch(param) {
272 case 0:
273 /* For some reason, setting the bit in set_initial_features()
274 * doesn't stick. I'm still investigating... --BenH.
275 */
276 if (value)
277 simple_feature_tweak(node, macio_ohare,
278 OHARE_FCR, OH_IOBUS_ENABLE, 1);
279 return simple_feature_tweak(node, macio_ohare,
280 OHARE_FCR, OH_IDE0_ENABLE, value);
281 case 1:
282 return simple_feature_tweak(node, macio_ohare,
283 OHARE_FCR, OH_BAY_IDE_ENABLE, value);
284 default:
285 return -ENODEV;
286 }
287 }
288
289 static long ohare_ide_reset(struct device_node *node, long param, long value)
290 {
291 switch(param) {
292 case 0:
293 return simple_feature_tweak(node, macio_ohare,
294 OHARE_FCR, OH_IDE0_RESET_N, !value);
295 case 1:
296 return simple_feature_tweak(node, macio_ohare,
297 OHARE_FCR, OH_IDE1_RESET_N, !value);
298 default:
299 return -ENODEV;
300 }
301 }
302
303 static long ohare_sleep_state(struct device_node *node, long param, long value)
304 {
305 struct macio_chip* macio = &macio_chips[0];
306
307 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
308 return -EPERM;
309 if (value == 1) {
310 MACIO_BIC(OHARE_FCR, OH_IOBUS_ENABLE);
311 } else if (value == 0) {
312 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
313 }
314
315 return 0;
316 }
317
318 static long heathrow_modem_enable(struct device_node *node, long param,
319 long value)
320 {
321 struct macio_chip* macio;
322 u8 gpio;
323 unsigned long flags;
324
325 macio = macio_find(node, macio_unknown);
326 if (!macio)
327 return -ENODEV;
328 gpio = MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1;
329 if (!value) {
330 LOCK(flags);
331 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio);
332 UNLOCK(flags);
333 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
334 mdelay(250);
335 }
336 if (pmac_mb.model_id != PMAC_TYPE_YOSEMITE &&
337 pmac_mb.model_id != PMAC_TYPE_YIKES) {
338 LOCK(flags);
339 if (value)
340 MACIO_BIC(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
341 else
342 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
343 UNLOCK(flags);
344 (void)MACIO_IN32(HEATHROW_FCR);
345 mdelay(250);
346 }
347 if (value) {
348 LOCK(flags);
349 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
350 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
351 UNLOCK(flags); mdelay(250); LOCK(flags);
352 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio);
353 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
354 UNLOCK(flags); mdelay(250); LOCK(flags);
355 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
356 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
357 UNLOCK(flags); mdelay(250);
358 }
359 return 0;
360 }
361
362 static long heathrow_floppy_enable(struct device_node *node, long param,
363 long value)
364 {
365 return simple_feature_tweak(node, macio_unknown,
366 HEATHROW_FCR,
367 HRW_SWIM_ENABLE|HRW_BAY_FLOPPY_ENABLE,
368 value);
369 }
370
371 static long heathrow_mesh_enable(struct device_node *node, long param,
372 long value)
373 {
374 struct macio_chip* macio;
375 unsigned long flags;
376
377 macio = macio_find(node, macio_unknown);
378 if (!macio)
379 return -ENODEV;
380 LOCK(flags);
381 /* Set clear mesh cell enable */
382 if (value)
383 MACIO_BIS(HEATHROW_FCR, HRW_MESH_ENABLE);
384 else
385 MACIO_BIC(HEATHROW_FCR, HRW_MESH_ENABLE);
386 (void)MACIO_IN32(HEATHROW_FCR);
387 udelay(10);
388 /* Set/Clear termination power */
389 if (value)
390 MACIO_BIC(HEATHROW_MBCR, 0x04000000);
391 else
392 MACIO_BIS(HEATHROW_MBCR, 0x04000000);
393 (void)MACIO_IN32(HEATHROW_MBCR);
394 udelay(10);
395 UNLOCK(flags);
396
397 return 0;
398 }
399
400 static long heathrow_ide_enable(struct device_node *node, long param,
401 long value)
402 {
403 switch(param) {
404 case 0:
405 return simple_feature_tweak(node, macio_unknown,
406 HEATHROW_FCR, HRW_IDE0_ENABLE, value);
407 case 1:
408 return simple_feature_tweak(node, macio_unknown,
409 HEATHROW_FCR, HRW_BAY_IDE_ENABLE, value);
410 default:
411 return -ENODEV;
412 }
413 }
414
415 static long heathrow_ide_reset(struct device_node *node, long param,
416 long value)
417 {
418 switch(param) {
419 case 0:
420 return simple_feature_tweak(node, macio_unknown,
421 HEATHROW_FCR, HRW_IDE0_RESET_N, !value);
422 case 1:
423 return simple_feature_tweak(node, macio_unknown,
424 HEATHROW_FCR, HRW_IDE1_RESET_N, !value);
425 default:
426 return -ENODEV;
427 }
428 }
429
430 static long heathrow_bmac_enable(struct device_node *node, long param,
431 long value)
432 {
433 struct macio_chip* macio;
434 unsigned long flags;
435
436 macio = macio_find(node, 0);
437 if (!macio)
438 return -ENODEV;
439 if (value) {
440 LOCK(flags);
441 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_IO_ENABLE);
442 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_RESET);
443 UNLOCK(flags);
444 (void)MACIO_IN32(HEATHROW_FCR);
445 mdelay(10);
446 LOCK(flags);
447 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_RESET);
448 UNLOCK(flags);
449 (void)MACIO_IN32(HEATHROW_FCR);
450 mdelay(10);
451 } else {
452 LOCK(flags);
453 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE);
454 UNLOCK(flags);
455 }
456 return 0;
457 }
458
459 static long heathrow_sound_enable(struct device_node *node, long param,
460 long value)
461 {
462 struct macio_chip* macio;
463 unsigned long flags;
464
465 /* B&W G3 and Yikes don't support that properly (the
466 * sound appear to never come back after beeing shut down).
467 */
468 if (pmac_mb.model_id == PMAC_TYPE_YOSEMITE ||
469 pmac_mb.model_id == PMAC_TYPE_YIKES)
470 return 0;
471
472 macio = macio_find(node, 0);
473 if (!macio)
474 return -ENODEV;
475 if (value) {
476 LOCK(flags);
477 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
478 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
479 UNLOCK(flags);
480 (void)MACIO_IN32(HEATHROW_FCR);
481 } else {
482 LOCK(flags);
483 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N);
484 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
485 UNLOCK(flags);
486 }
487 return 0;
488 }
489
490 static u32 save_fcr[6];
491 static u32 save_mbcr;
492 static struct dbdma_regs save_dbdma[13];
493 static struct dbdma_regs save_alt_dbdma[13];
494
495 static void dbdma_save(struct macio_chip *macio, struct dbdma_regs *save)
496 {
497 int i;
498
499 /* Save state & config of DBDMA channels */
500 for (i = 0; i < 13; i++) {
501 volatile struct dbdma_regs __iomem * chan = (void __iomem *)
502 (macio->base + ((0x8000+i*0x100)>>2));
503 save[i].cmdptr_hi = in_le32(&chan->cmdptr_hi);
504 save[i].cmdptr = in_le32(&chan->cmdptr);
505 save[i].intr_sel = in_le32(&chan->intr_sel);
506 save[i].br_sel = in_le32(&chan->br_sel);
507 save[i].wait_sel = in_le32(&chan->wait_sel);
508 }
509 }
510
511 static void dbdma_restore(struct macio_chip *macio, struct dbdma_regs *save)
512 {
513 int i;
514
515 /* Save state & config of DBDMA channels */
516 for (i = 0; i < 13; i++) {
517 volatile struct dbdma_regs __iomem * chan = (void __iomem *)
518 (macio->base + ((0x8000+i*0x100)>>2));
519 out_le32(&chan->control, (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16);
520 while (in_le32(&chan->status) & ACTIVE)
521 mb();
522 out_le32(&chan->cmdptr_hi, save[i].cmdptr_hi);
523 out_le32(&chan->cmdptr, save[i].cmdptr);
524 out_le32(&chan->intr_sel, save[i].intr_sel);
525 out_le32(&chan->br_sel, save[i].br_sel);
526 out_le32(&chan->wait_sel, save[i].wait_sel);
527 }
528 }
529
530 static void heathrow_sleep(struct macio_chip *macio, int secondary)
531 {
532 if (secondary) {
533 dbdma_save(macio, save_alt_dbdma);
534 save_fcr[2] = MACIO_IN32(0x38);
535 save_fcr[3] = MACIO_IN32(0x3c);
536 } else {
537 dbdma_save(macio, save_dbdma);
538 save_fcr[0] = MACIO_IN32(0x38);
539 save_fcr[1] = MACIO_IN32(0x3c);
540 save_mbcr = MACIO_IN32(0x34);
541 /* Make sure sound is shut down */
542 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N);
543 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
544 /* This seems to be necessary as well or the fan
545 * keeps coming up and battery drains fast */
546 MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE);
547 MACIO_BIC(HEATHROW_FCR, HRW_IDE0_RESET_N);
548 /* Make sure eth is down even if module or sleep
549 * won't work properly */
550 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE | HRW_BMAC_RESET);
551 }
552 /* Make sure modem is shut down */
553 MACIO_OUT8(HRW_GPIO_MODEM_RESET,
554 MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1);
555 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
556 MACIO_BIC(HEATHROW_FCR, OH_SCCA_IO|OH_SCCB_IO|HRW_SCC_ENABLE);
557
558 /* Let things settle */
559 (void)MACIO_IN32(HEATHROW_FCR);
560 }
561
562 static void heathrow_wakeup(struct macio_chip *macio, int secondary)
563 {
564 if (secondary) {
565 MACIO_OUT32(0x38, save_fcr[2]);
566 (void)MACIO_IN32(0x38);
567 mdelay(1);
568 MACIO_OUT32(0x3c, save_fcr[3]);
569 (void)MACIO_IN32(0x38);
570 mdelay(10);
571 dbdma_restore(macio, save_alt_dbdma);
572 } else {
573 MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE);
574 (void)MACIO_IN32(0x38);
575 mdelay(1);
576 MACIO_OUT32(0x3c, save_fcr[1]);
577 (void)MACIO_IN32(0x38);
578 mdelay(1);
579 MACIO_OUT32(0x34, save_mbcr);
580 (void)MACIO_IN32(0x38);
581 mdelay(10);
582 dbdma_restore(macio, save_dbdma);
583 }
584 }
585
586 static long heathrow_sleep_state(struct device_node *node, long param,
587 long value)
588 {
589 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
590 return -EPERM;
591 if (value == 1) {
592 if (macio_chips[1].type == macio_gatwick)
593 heathrow_sleep(&macio_chips[0], 1);
594 heathrow_sleep(&macio_chips[0], 0);
595 } else if (value == 0) {
596 heathrow_wakeup(&macio_chips[0], 0);
597 if (macio_chips[1].type == macio_gatwick)
598 heathrow_wakeup(&macio_chips[0], 1);
599 }
600 return 0;
601 }
602
603 static long core99_scc_enable(struct device_node *node, long param, long value)
604 {
605 struct macio_chip* macio;
606 unsigned long flags;
607 unsigned long chan_mask;
608 u32 fcr;
609
610 macio = macio_find(node, 0);
611 if (!macio)
612 return -ENODEV;
613 if (!strcmp(node->name, "ch-a"))
614 chan_mask = MACIO_FLAG_SCCA_ON;
615 else if (!strcmp(node->name, "ch-b"))
616 chan_mask = MACIO_FLAG_SCCB_ON;
617 else
618 return -ENODEV;
619
620 if (value) {
621 int need_reset_scc = 0;
622 int need_reset_irda = 0;
623
624 LOCK(flags);
625 fcr = MACIO_IN32(KEYLARGO_FCR0);
626 /* Check if scc cell need enabling */
627 if (!(fcr & KL0_SCC_CELL_ENABLE)) {
628 fcr |= KL0_SCC_CELL_ENABLE;
629 need_reset_scc = 1;
630 }
631 if (chan_mask & MACIO_FLAG_SCCA_ON) {
632 fcr |= KL0_SCCA_ENABLE;
633 /* Don't enable line drivers for I2S modem */
634 if ((param & 0xfff) == PMAC_SCC_I2S1)
635 fcr &= ~KL0_SCC_A_INTF_ENABLE;
636 else
637 fcr |= KL0_SCC_A_INTF_ENABLE;
638 }
639 if (chan_mask & MACIO_FLAG_SCCB_ON) {
640 fcr |= KL0_SCCB_ENABLE;
641 /* Perform irda specific inits */
642 if ((param & 0xfff) == PMAC_SCC_IRDA) {
643 fcr &= ~KL0_SCC_B_INTF_ENABLE;
644 fcr |= KL0_IRDA_ENABLE;
645 fcr |= KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE;
646 fcr |= KL0_IRDA_SOURCE1_SEL;
647 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0);
648 fcr &= ~(KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND);
649 need_reset_irda = 1;
650 } else
651 fcr |= KL0_SCC_B_INTF_ENABLE;
652 }
653 MACIO_OUT32(KEYLARGO_FCR0, fcr);
654 macio->flags |= chan_mask;
655 if (need_reset_scc) {
656 MACIO_BIS(KEYLARGO_FCR0, KL0_SCC_RESET);
657 (void)MACIO_IN32(KEYLARGO_FCR0);
658 UNLOCK(flags);
659 mdelay(15);
660 LOCK(flags);
661 MACIO_BIC(KEYLARGO_FCR0, KL0_SCC_RESET);
662 }
663 if (need_reset_irda) {
664 MACIO_BIS(KEYLARGO_FCR0, KL0_IRDA_RESET);
665 (void)MACIO_IN32(KEYLARGO_FCR0);
666 UNLOCK(flags);
667 mdelay(15);
668 LOCK(flags);
669 MACIO_BIC(KEYLARGO_FCR0, KL0_IRDA_RESET);
670 }
671 UNLOCK(flags);
672 if (param & PMAC_SCC_FLAG_XMON)
673 macio->flags |= MACIO_FLAG_SCC_LOCKED;
674 } else {
675 if (macio->flags & MACIO_FLAG_SCC_LOCKED)
676 return -EPERM;
677 LOCK(flags);
678 fcr = MACIO_IN32(KEYLARGO_FCR0);
679 if (chan_mask & MACIO_FLAG_SCCA_ON)
680 fcr &= ~KL0_SCCA_ENABLE;
681 if (chan_mask & MACIO_FLAG_SCCB_ON) {
682 fcr &= ~KL0_SCCB_ENABLE;
683 /* Perform irda specific clears */
684 if ((param & 0xfff) == PMAC_SCC_IRDA) {
685 fcr &= ~KL0_IRDA_ENABLE;
686 fcr &= ~(KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE);
687 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0);
688 fcr &= ~(KL0_IRDA_SOURCE1_SEL|KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND);
689 }
690 }
691 MACIO_OUT32(KEYLARGO_FCR0, fcr);
692 if ((fcr & (KL0_SCCA_ENABLE | KL0_SCCB_ENABLE)) == 0) {
693 fcr &= ~KL0_SCC_CELL_ENABLE;
694 MACIO_OUT32(KEYLARGO_FCR0, fcr);
695 }
696 macio->flags &= ~(chan_mask);
697 UNLOCK(flags);
698 mdelay(10);
699 }
700 return 0;
701 }
702
703 static long
704 core99_modem_enable(struct device_node *node, long param, long value)
705 {
706 struct macio_chip* macio;
707 u8 gpio;
708 unsigned long flags;
709
710 /* Hack for internal USB modem */
711 if (node == NULL) {
712 if (macio_chips[0].type != macio_keylargo)
713 return -ENODEV;
714 node = macio_chips[0].of_node;
715 }
716 macio = macio_find(node, 0);
717 if (!macio)
718 return -ENODEV;
719 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET);
720 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE;
721 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA;
722
723 if (!value) {
724 LOCK(flags);
725 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
726 UNLOCK(flags);
727 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
728 mdelay(250);
729 }
730 LOCK(flags);
731 if (value) {
732 MACIO_BIC(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
733 UNLOCK(flags);
734 (void)MACIO_IN32(KEYLARGO_FCR2);
735 mdelay(250);
736 } else {
737 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
738 UNLOCK(flags);
739 }
740 if (value) {
741 LOCK(flags);
742 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
743 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
744 UNLOCK(flags); mdelay(250); LOCK(flags);
745 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
746 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
747 UNLOCK(flags); mdelay(250); LOCK(flags);
748 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
749 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
750 UNLOCK(flags); mdelay(250);
751 }
752 return 0;
753 }
754
755 static long
756 pangea_modem_enable(struct device_node *node, long param, long value)
757 {
758 struct macio_chip* macio;
759 u8 gpio;
760 unsigned long flags;
761
762 /* Hack for internal USB modem */
763 if (node == NULL) {
764 if (macio_chips[0].type != macio_pangea &&
765 macio_chips[0].type != macio_intrepid)
766 return -ENODEV;
767 node = macio_chips[0].of_node;
768 }
769 macio = macio_find(node, 0);
770 if (!macio)
771 return -ENODEV;
772 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET);
773 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE;
774 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA;
775
776 if (!value) {
777 LOCK(flags);
778 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
779 UNLOCK(flags);
780 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
781 mdelay(250);
782 }
783 LOCK(flags);
784 if (value) {
785 MACIO_OUT8(KL_GPIO_MODEM_POWER,
786 KEYLARGO_GPIO_OUTPUT_ENABLE);
787 UNLOCK(flags);
788 (void)MACIO_IN32(KEYLARGO_FCR2);
789 mdelay(250);
790 } else {
791 MACIO_OUT8(KL_GPIO_MODEM_POWER,
792 KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA);
793 UNLOCK(flags);
794 }
795 if (value) {
796 LOCK(flags);
797 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
798 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
799 UNLOCK(flags); mdelay(250); LOCK(flags);
800 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
801 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
802 UNLOCK(flags); mdelay(250); LOCK(flags);
803 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
804 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
805 UNLOCK(flags); mdelay(250);
806 }
807 return 0;
808 }
809
810 static long
811 core99_ata100_enable(struct device_node *node, long value)
812 {
813 unsigned long flags;
814 struct pci_dev *pdev = NULL;
815 u8 pbus, pid;
816 int rc;
817
818 if (uninorth_rev < 0x24)
819 return -ENODEV;
820
821 LOCK(flags);
822 if (value)
823 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100);
824 else
825 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100);
826 (void)UN_IN(UNI_N_CLOCK_CNTL);
827 UNLOCK(flags);
828 udelay(20);
829
830 if (value) {
831 if (pci_device_from_OF_node(node, &pbus, &pid) == 0)
832 pdev = pci_get_bus_and_slot(pbus, pid);
833 if (pdev == NULL)
834 return 0;
835 rc = pci_enable_device(pdev);
836 if (rc == 0)
837 pci_set_master(pdev);
838 pci_dev_put(pdev);
839 if (rc)
840 return rc;
841 }
842 return 0;
843 }
844
845 static long
846 core99_ide_enable(struct device_node *node, long param, long value)
847 {
848 /* Bus ID 0 to 2 are KeyLargo based IDE, busID 3 is U2
849 * based ata-100
850 */
851 switch(param) {
852 case 0:
853 return simple_feature_tweak(node, macio_unknown,
854 KEYLARGO_FCR1, KL1_EIDE0_ENABLE, value);
855 case 1:
856 return simple_feature_tweak(node, macio_unknown,
857 KEYLARGO_FCR1, KL1_EIDE1_ENABLE, value);
858 case 2:
859 return simple_feature_tweak(node, macio_unknown,
860 KEYLARGO_FCR1, KL1_UIDE_ENABLE, value);
861 case 3:
862 return core99_ata100_enable(node, value);
863 default:
864 return -ENODEV;
865 }
866 }
867
868 static long
869 core99_ide_reset(struct device_node *node, long param, long value)
870 {
871 switch(param) {
872 case 0:
873 return simple_feature_tweak(node, macio_unknown,
874 KEYLARGO_FCR1, KL1_EIDE0_RESET_N, !value);
875 case 1:
876 return simple_feature_tweak(node, macio_unknown,
877 KEYLARGO_FCR1, KL1_EIDE1_RESET_N, !value);
878 case 2:
879 return simple_feature_tweak(node, macio_unknown,
880 KEYLARGO_FCR1, KL1_UIDE_RESET_N, !value);
881 default:
882 return -ENODEV;
883 }
884 }
885
886 static long
887 core99_gmac_enable(struct device_node *node, long param, long value)
888 {
889 unsigned long flags;
890
891 LOCK(flags);
892 if (value)
893 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC);
894 else
895 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC);
896 (void)UN_IN(UNI_N_CLOCK_CNTL);
897 UNLOCK(flags);
898 udelay(20);
899
900 return 0;
901 }
902
903 static long
904 core99_gmac_phy_reset(struct device_node *node, long param, long value)
905 {
906 unsigned long flags;
907 struct macio_chip *macio;
908
909 macio = &macio_chips[0];
910 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
911 macio->type != macio_intrepid)
912 return -ENODEV;
913
914 LOCK(flags);
915 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, KEYLARGO_GPIO_OUTPUT_ENABLE);
916 (void)MACIO_IN8(KL_GPIO_ETH_PHY_RESET);
917 UNLOCK(flags);
918 mdelay(10);
919 LOCK(flags);
920 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, /*KEYLARGO_GPIO_OUTPUT_ENABLE | */
921 KEYLARGO_GPIO_OUTOUT_DATA);
922 UNLOCK(flags);
923 mdelay(10);
924
925 return 0;
926 }
927
928 static long
929 core99_sound_chip_enable(struct device_node *node, long param, long value)
930 {
931 struct macio_chip* macio;
932 unsigned long flags;
933
934 macio = macio_find(node, 0);
935 if (!macio)
936 return -ENODEV;
937
938 /* Do a better probe code, screamer G4 desktops &
939 * iMacs can do that too, add a recalibrate in
940 * the driver as well
941 */
942 if (pmac_mb.model_id == PMAC_TYPE_PISMO ||
943 pmac_mb.model_id == PMAC_TYPE_TITANIUM) {
944 LOCK(flags);
945 if (value)
946 MACIO_OUT8(KL_GPIO_SOUND_POWER,
947 KEYLARGO_GPIO_OUTPUT_ENABLE |
948 KEYLARGO_GPIO_OUTOUT_DATA);
949 else
950 MACIO_OUT8(KL_GPIO_SOUND_POWER,
951 KEYLARGO_GPIO_OUTPUT_ENABLE);
952 (void)MACIO_IN8(KL_GPIO_SOUND_POWER);
953 UNLOCK(flags);
954 }
955 return 0;
956 }
957
958 static long
959 core99_airport_enable(struct device_node *node, long param, long value)
960 {
961 struct macio_chip* macio;
962 unsigned long flags;
963 int state;
964
965 macio = macio_find(node, 0);
966 if (!macio)
967 return -ENODEV;
968
969 /* Hint: we allow passing of macio itself for the sake of the
970 * sleep code
971 */
972 if (node != macio->of_node &&
973 (!node->parent || node->parent != macio->of_node))
974 return -ENODEV;
975 state = (macio->flags & MACIO_FLAG_AIRPORT_ON) != 0;
976 if (value == state)
977 return 0;
978 if (value) {
979 /* This code is a reproduction of OF enable-cardslot
980 * and init-wireless methods, slightly hacked until
981 * I got it working.
982 */
983 LOCK(flags);
984 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 5);
985 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf);
986 UNLOCK(flags);
987 mdelay(10);
988 LOCK(flags);
989 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 4);
990 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf);
991 UNLOCK(flags);
992
993 mdelay(10);
994
995 LOCK(flags);
996 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16);
997 (void)MACIO_IN32(KEYLARGO_FCR2);
998 udelay(10);
999 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xb, 0);
1000 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xb);
1001 udelay(10);
1002 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xa, 0x28);
1003 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xa);
1004 udelay(10);
1005 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xd, 0x28);
1006 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xd);
1007 udelay(10);
1008 MACIO_OUT8(KEYLARGO_GPIO_0+0xd, 0x28);
1009 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xd);
1010 udelay(10);
1011 MACIO_OUT8(KEYLARGO_GPIO_0+0xe, 0x28);
1012 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xe);
1013 UNLOCK(flags);
1014 udelay(10);
1015 MACIO_OUT32(0x1c000, 0);
1016 mdelay(1);
1017 MACIO_OUT8(0x1a3e0, 0x41);
1018 (void)MACIO_IN8(0x1a3e0);
1019 udelay(10);
1020 LOCK(flags);
1021 MACIO_BIS(KEYLARGO_FCR2, KL2_CARDSEL_16);
1022 (void)MACIO_IN32(KEYLARGO_FCR2);
1023 UNLOCK(flags);
1024 mdelay(100);
1025
1026 macio->flags |= MACIO_FLAG_AIRPORT_ON;
1027 } else {
1028 LOCK(flags);
1029 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16);
1030 (void)MACIO_IN32(KEYLARGO_FCR2);
1031 MACIO_OUT8(KL_GPIO_AIRPORT_0, 0);
1032 MACIO_OUT8(KL_GPIO_AIRPORT_1, 0);
1033 MACIO_OUT8(KL_GPIO_AIRPORT_2, 0);
1034 MACIO_OUT8(KL_GPIO_AIRPORT_3, 0);
1035 MACIO_OUT8(KL_GPIO_AIRPORT_4, 0);
1036 (void)MACIO_IN8(KL_GPIO_AIRPORT_4);
1037 UNLOCK(flags);
1038
1039 macio->flags &= ~MACIO_FLAG_AIRPORT_ON;
1040 }
1041 return 0;
1042 }
1043
1044 #ifdef CONFIG_SMP
1045 static long
1046 core99_reset_cpu(struct device_node *node, long param, long value)
1047 {
1048 unsigned int reset_io = 0;
1049 unsigned long flags;
1050 struct macio_chip *macio;
1051 struct device_node *np;
1052 struct device_node *cpus;
1053 const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0,
1054 KL_GPIO_RESET_CPU1,
1055 KL_GPIO_RESET_CPU2,
1056 KL_GPIO_RESET_CPU3 };
1057
1058 macio = &macio_chips[0];
1059 if (macio->type != macio_keylargo)
1060 return -ENODEV;
1061
1062 cpus = of_find_node_by_path("/cpus");
1063 if (cpus == NULL)
1064 return -ENODEV;
1065 for (np = cpus->child; np != NULL; np = np->sibling) {
1066 const u32 *num = of_get_property(np, "reg", NULL);
1067 const u32 *rst = of_get_property(np, "soft-reset", NULL);
1068 if (num == NULL || rst == NULL)
1069 continue;
1070 if (param == *num) {
1071 reset_io = *rst;
1072 break;
1073 }
1074 }
1075 of_node_put(cpus);
1076 if (np == NULL || reset_io == 0)
1077 reset_io = dflt_reset_lines[param];
1078
1079 LOCK(flags);
1080 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE);
1081 (void)MACIO_IN8(reset_io);
1082 udelay(1);
1083 MACIO_OUT8(reset_io, 0);
1084 (void)MACIO_IN8(reset_io);
1085 UNLOCK(flags);
1086
1087 return 0;
1088 }
1089 #endif /* CONFIG_SMP */
1090
1091 static long
1092 core99_usb_enable(struct device_node *node, long param, long value)
1093 {
1094 struct macio_chip *macio;
1095 unsigned long flags;
1096 const char *prop;
1097 int number;
1098 u32 reg;
1099
1100 macio = &macio_chips[0];
1101 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1102 macio->type != macio_intrepid)
1103 return -ENODEV;
1104
1105 prop = of_get_property(node, "AAPL,clock-id", NULL);
1106 if (!prop)
1107 return -ENODEV;
1108 if (strncmp(prop, "usb0u048", 8) == 0)
1109 number = 0;
1110 else if (strncmp(prop, "usb1u148", 8) == 0)
1111 number = 2;
1112 else if (strncmp(prop, "usb2u248", 8) == 0)
1113 number = 4;
1114 else
1115 return -ENODEV;
1116
1117 /* Sorry for the brute-force locking, but this is only used during
1118 * sleep and the timing seem to be critical
1119 */
1120 LOCK(flags);
1121 if (value) {
1122 /* Turn ON */
1123 if (number == 0) {
1124 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1));
1125 (void)MACIO_IN32(KEYLARGO_FCR0);
1126 UNLOCK(flags);
1127 mdelay(1);
1128 LOCK(flags);
1129 MACIO_BIS(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE);
1130 } else if (number == 2) {
1131 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1));
1132 UNLOCK(flags);
1133 (void)MACIO_IN32(KEYLARGO_FCR0);
1134 mdelay(1);
1135 LOCK(flags);
1136 MACIO_BIS(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE);
1137 } else if (number == 4) {
1138 MACIO_BIC(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1));
1139 UNLOCK(flags);
1140 (void)MACIO_IN32(KEYLARGO_FCR1);
1141 mdelay(1);
1142 LOCK(flags);
1143 MACIO_BIS(KEYLARGO_FCR1, KL1_USB2_CELL_ENABLE);
1144 }
1145 if (number < 4) {
1146 reg = MACIO_IN32(KEYLARGO_FCR4);
1147 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) |
1148 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number));
1149 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) |
1150 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1));
1151 MACIO_OUT32(KEYLARGO_FCR4, reg);
1152 (void)MACIO_IN32(KEYLARGO_FCR4);
1153 udelay(10);
1154 } else {
1155 reg = MACIO_IN32(KEYLARGO_FCR3);
1156 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) |
1157 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0));
1158 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) |
1159 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1));
1160 MACIO_OUT32(KEYLARGO_FCR3, reg);
1161 (void)MACIO_IN32(KEYLARGO_FCR3);
1162 udelay(10);
1163 }
1164 if (macio->type == macio_intrepid) {
1165 /* wait for clock stopped bits to clear */
1166 u32 test0 = 0, test1 = 0;
1167 u32 status0, status1;
1168 int timeout = 1000;
1169
1170 UNLOCK(flags);
1171 switch (number) {
1172 case 0:
1173 test0 = UNI_N_CLOCK_STOPPED_USB0;
1174 test1 = UNI_N_CLOCK_STOPPED_USB0PCI;
1175 break;
1176 case 2:
1177 test0 = UNI_N_CLOCK_STOPPED_USB1;
1178 test1 = UNI_N_CLOCK_STOPPED_USB1PCI;
1179 break;
1180 case 4:
1181 test0 = UNI_N_CLOCK_STOPPED_USB2;
1182 test1 = UNI_N_CLOCK_STOPPED_USB2PCI;
1183 break;
1184 }
1185 do {
1186 if (--timeout <= 0) {
1187 printk(KERN_ERR "core99_usb_enable: "
1188 "Timeout waiting for clocks\n");
1189 break;
1190 }
1191 mdelay(1);
1192 status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0);
1193 status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1);
1194 } while ((status0 & test0) | (status1 & test1));
1195 LOCK(flags);
1196 }
1197 } else {
1198 /* Turn OFF */
1199 if (number < 4) {
1200 reg = MACIO_IN32(KEYLARGO_FCR4);
1201 reg |= KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) |
1202 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number);
1203 reg |= KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) |
1204 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1);
1205 MACIO_OUT32(KEYLARGO_FCR4, reg);
1206 (void)MACIO_IN32(KEYLARGO_FCR4);
1207 udelay(1);
1208 } else {
1209 reg = MACIO_IN32(KEYLARGO_FCR3);
1210 reg |= KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) |
1211 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0);
1212 reg |= KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) |
1213 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1);
1214 MACIO_OUT32(KEYLARGO_FCR3, reg);
1215 (void)MACIO_IN32(KEYLARGO_FCR3);
1216 udelay(1);
1217 }
1218 if (number == 0) {
1219 if (macio->type != macio_intrepid)
1220 MACIO_BIC(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE);
1221 (void)MACIO_IN32(KEYLARGO_FCR0);
1222 udelay(1);
1223 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1));
1224 (void)MACIO_IN32(KEYLARGO_FCR0);
1225 } else if (number == 2) {
1226 if (macio->type != macio_intrepid)
1227 MACIO_BIC(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE);
1228 (void)MACIO_IN32(KEYLARGO_FCR0);
1229 udelay(1);
1230 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1));
1231 (void)MACIO_IN32(KEYLARGO_FCR0);
1232 } else if (number == 4) {
1233 udelay(1);
1234 MACIO_BIS(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1));
1235 (void)MACIO_IN32(KEYLARGO_FCR1);
1236 }
1237 udelay(1);
1238 }
1239 UNLOCK(flags);
1240
1241 return 0;
1242 }
1243
1244 static long
1245 core99_firewire_enable(struct device_node *node, long param, long value)
1246 {
1247 unsigned long flags;
1248 struct macio_chip *macio;
1249
1250 macio = &macio_chips[0];
1251 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1252 macio->type != macio_intrepid)
1253 return -ENODEV;
1254 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED))
1255 return -ENODEV;
1256
1257 LOCK(flags);
1258 if (value) {
1259 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW);
1260 (void)UN_IN(UNI_N_CLOCK_CNTL);
1261 } else {
1262 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW);
1263 (void)UN_IN(UNI_N_CLOCK_CNTL);
1264 }
1265 UNLOCK(flags);
1266 mdelay(1);
1267
1268 return 0;
1269 }
1270
1271 static long
1272 core99_firewire_cable_power(struct device_node *node, long param, long value)
1273 {
1274 unsigned long flags;
1275 struct macio_chip *macio;
1276
1277 /* Trick: we allow NULL node */
1278 if ((pmac_mb.board_flags & PMAC_MB_HAS_FW_POWER) == 0)
1279 return -ENODEV;
1280 macio = &macio_chips[0];
1281 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1282 macio->type != macio_intrepid)
1283 return -ENODEV;
1284 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED))
1285 return -ENODEV;
1286
1287 LOCK(flags);
1288 if (value) {
1289 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 0);
1290 MACIO_IN8(KL_GPIO_FW_CABLE_POWER);
1291 udelay(10);
1292 } else {
1293 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 4);
1294 MACIO_IN8(KL_GPIO_FW_CABLE_POWER); udelay(10);
1295 }
1296 UNLOCK(flags);
1297 mdelay(1);
1298
1299 return 0;
1300 }
1301
1302 static long
1303 intrepid_aack_delay_enable(struct device_node *node, long param, long value)
1304 {
1305 unsigned long flags;
1306
1307 if (uninorth_rev < 0xd2)
1308 return -ENODEV;
1309
1310 LOCK(flags);
1311 if (param)
1312 UN_BIS(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE);
1313 else
1314 UN_BIC(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE);
1315 UNLOCK(flags);
1316
1317 return 0;
1318 }
1319
1320
1321 #endif /* CONFIG_POWER4 */
1322
1323 static long
1324 core99_read_gpio(struct device_node *node, long param, long value)
1325 {
1326 struct macio_chip *macio = &macio_chips[0];
1327
1328 return MACIO_IN8(param);
1329 }
1330
1331
1332 static long
1333 core99_write_gpio(struct device_node *node, long param, long value)
1334 {
1335 struct macio_chip *macio = &macio_chips[0];
1336
1337 MACIO_OUT8(param, (u8)(value & 0xff));
1338 return 0;
1339 }
1340
1341 #ifdef CONFIG_POWER4
1342 static long g5_gmac_enable(struct device_node *node, long param, long value)
1343 {
1344 struct macio_chip *macio = &macio_chips[0];
1345 unsigned long flags;
1346
1347 if (node == NULL)
1348 return -ENODEV;
1349
1350 LOCK(flags);
1351 if (value) {
1352 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE);
1353 mb();
1354 k2_skiplist[0] = NULL;
1355 } else {
1356 k2_skiplist[0] = node;
1357 mb();
1358 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE);
1359 }
1360
1361 UNLOCK(flags);
1362 mdelay(1);
1363
1364 return 0;
1365 }
1366
1367 static long g5_fw_enable(struct device_node *node, long param, long value)
1368 {
1369 struct macio_chip *macio = &macio_chips[0];
1370 unsigned long flags;
1371
1372 if (node == NULL)
1373 return -ENODEV;
1374
1375 LOCK(flags);
1376 if (value) {
1377 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE);
1378 mb();
1379 k2_skiplist[1] = NULL;
1380 } else {
1381 k2_skiplist[1] = node;
1382 mb();
1383 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE);
1384 }
1385
1386 UNLOCK(flags);
1387 mdelay(1);
1388
1389 return 0;
1390 }
1391
1392 static long g5_mpic_enable(struct device_node *node, long param, long value)
1393 {
1394 unsigned long flags;
1395 struct device_node *parent = of_get_parent(node);
1396 int is_u3;
1397
1398 if (parent == NULL)
1399 return 0;
1400 is_u3 = strcmp(parent->name, "u3") == 0 ||
1401 strcmp(parent->name, "u4") == 0;
1402 of_node_put(parent);
1403 if (!is_u3)
1404 return 0;
1405
1406 LOCK(flags);
1407 UN_BIS(U3_TOGGLE_REG, U3_MPIC_RESET | U3_MPIC_OUTPUT_ENABLE);
1408 UNLOCK(flags);
1409
1410 return 0;
1411 }
1412
1413 static long g5_eth_phy_reset(struct device_node *node, long param, long value)
1414 {
1415 struct macio_chip *macio = &macio_chips[0];
1416 struct device_node *phy;
1417 int need_reset;
1418
1419 /*
1420 * We must not reset the combo PHYs, only the BCM5221 found in
1421 * the iMac G5.
1422 */
1423 phy = of_get_next_child(node, NULL);
1424 if (!phy)
1425 return -ENODEV;
1426 need_reset = of_device_is_compatible(phy, "B5221");
1427 of_node_put(phy);
1428 if (!need_reset)
1429 return 0;
1430
1431 /* PHY reset is GPIO 29, not in device-tree unfortunately */
1432 MACIO_OUT8(K2_GPIO_EXTINT_0 + 29,
1433 KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA);
1434 /* Thankfully, this is now always called at a time when we can
1435 * schedule by sungem.
1436 */
1437 msleep(10);
1438 MACIO_OUT8(K2_GPIO_EXTINT_0 + 29, 0);
1439
1440 return 0;
1441 }
1442
1443 static long g5_i2s_enable(struct device_node *node, long param, long value)
1444 {
1445 /* Very crude implementation for now */
1446 struct macio_chip *macio = &macio_chips[0];
1447 unsigned long flags;
1448 int cell;
1449 u32 fcrs[3][3] = {
1450 { 0,
1451 K2_FCR1_I2S0_CELL_ENABLE |
1452 K2_FCR1_I2S0_CLK_ENABLE_BIT | K2_FCR1_I2S0_ENABLE,
1453 KL3_I2S0_CLK18_ENABLE
1454 },
1455 { KL0_SCC_A_INTF_ENABLE,
1456 K2_FCR1_I2S1_CELL_ENABLE |
1457 K2_FCR1_I2S1_CLK_ENABLE_BIT | K2_FCR1_I2S1_ENABLE,
1458 KL3_I2S1_CLK18_ENABLE
1459 },
1460 { KL0_SCC_B_INTF_ENABLE,
1461 SH_FCR1_I2S2_CELL_ENABLE |
1462 SH_FCR1_I2S2_CLK_ENABLE_BIT | SH_FCR1_I2S2_ENABLE,
1463 SH_FCR3_I2S2_CLK18_ENABLE
1464 },
1465 };
1466
1467 if (macio->type != macio_keylargo2 && macio->type != macio_shasta)
1468 return -ENODEV;
1469 if (strncmp(node->name, "i2s-", 4))
1470 return -ENODEV;
1471 cell = node->name[4] - 'a';
1472 switch(cell) {
1473 case 0:
1474 case 1:
1475 break;
1476 case 2:
1477 if (macio->type == macio_shasta)
1478 break;
1479 default:
1480 return -ENODEV;
1481 }
1482
1483 LOCK(flags);
1484 if (value) {
1485 MACIO_BIC(KEYLARGO_FCR0, fcrs[cell][0]);
1486 MACIO_BIS(KEYLARGO_FCR1, fcrs[cell][1]);
1487 MACIO_BIS(KEYLARGO_FCR3, fcrs[cell][2]);
1488 } else {
1489 MACIO_BIC(KEYLARGO_FCR3, fcrs[cell][2]);
1490 MACIO_BIC(KEYLARGO_FCR1, fcrs[cell][1]);
1491 MACIO_BIS(KEYLARGO_FCR0, fcrs[cell][0]);
1492 }
1493 udelay(10);
1494 UNLOCK(flags);
1495
1496 return 0;
1497 }
1498
1499
1500 #ifdef CONFIG_SMP
1501 static long g5_reset_cpu(struct device_node *node, long param, long value)
1502 {
1503 unsigned int reset_io = 0;
1504 unsigned long flags;
1505 struct macio_chip *macio;
1506 struct device_node *np;
1507 struct device_node *cpus;
1508
1509 macio = &macio_chips[0];
1510 if (macio->type != macio_keylargo2 && macio->type != macio_shasta)
1511 return -ENODEV;
1512
1513 cpus = of_find_node_by_path("/cpus");
1514 if (cpus == NULL)
1515 return -ENODEV;
1516 for (np = cpus->child; np != NULL; np = np->sibling) {
1517 const u32 *num = of_get_property(np, "reg", NULL);
1518 const u32 *rst = of_get_property(np, "soft-reset", NULL);
1519 if (num == NULL || rst == NULL)
1520 continue;
1521 if (param == *num) {
1522 reset_io = *rst;
1523 break;
1524 }
1525 }
1526 of_node_put(cpus);
1527 if (np == NULL || reset_io == 0)
1528 return -ENODEV;
1529
1530 LOCK(flags);
1531 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE);
1532 (void)MACIO_IN8(reset_io);
1533 udelay(1);
1534 MACIO_OUT8(reset_io, 0);
1535 (void)MACIO_IN8(reset_io);
1536 UNLOCK(flags);
1537
1538 return 0;
1539 }
1540 #endif /* CONFIG_SMP */
1541
1542 /*
1543 * This can be called from pmac_smp so isn't static
1544 *
1545 * This takes the second CPU off the bus on dual CPU machines
1546 * running UP
1547 */
1548 void g5_phy_disable_cpu1(void)
1549 {
1550 if (uninorth_maj == 3)
1551 UN_OUT(U3_API_PHY_CONFIG_1, 0);
1552 }
1553 #endif /* CONFIG_POWER4 */
1554
1555 #ifndef CONFIG_POWER4
1556
1557
1558 #ifdef CONFIG_PM
1559 static u32 save_gpio_levels[2];
1560 static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT];
1561 static u8 save_gpio_normal[KEYLARGO_GPIO_CNT];
1562 static u32 save_unin_clock_ctl;
1563
1564 static void keylargo_shutdown(struct macio_chip *macio, int sleep_mode)
1565 {
1566 u32 temp;
1567
1568 if (sleep_mode) {
1569 mdelay(1);
1570 MACIO_BIS(KEYLARGO_FCR0, KL0_USB_REF_SUSPEND);
1571 (void)MACIO_IN32(KEYLARGO_FCR0);
1572 mdelay(1);
1573 }
1574
1575 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1576 KL0_SCC_CELL_ENABLE |
1577 KL0_IRDA_ENABLE | KL0_IRDA_CLK32_ENABLE |
1578 KL0_IRDA_CLK19_ENABLE);
1579
1580 MACIO_BIC(KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK);
1581 MACIO_BIS(KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE);
1582
1583 MACIO_BIC(KEYLARGO_FCR1,
1584 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT |
1585 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE |
1586 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1587 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1588 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE |
1589 KL1_EIDE0_ENABLE | KL1_EIDE0_RESET_N |
1590 KL1_EIDE1_ENABLE | KL1_EIDE1_RESET_N |
1591 KL1_UIDE_ENABLE);
1592
1593 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
1594 MACIO_BIC(KEYLARGO_FCR2, KL2_IOBUS_ENABLE);
1595
1596 temp = MACIO_IN32(KEYLARGO_FCR3);
1597 if (macio->rev >= 2) {
1598 temp |= KL3_SHUTDOWN_PLL2X;
1599 if (sleep_mode)
1600 temp |= KL3_SHUTDOWN_PLL_TOTAL;
1601 }
1602
1603 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 |
1604 KL3_SHUTDOWN_PLLKW35;
1605 if (sleep_mode)
1606 temp |= KL3_SHUTDOWN_PLLKW12;
1607 temp &= ~(KL3_CLK66_ENABLE | KL3_CLK49_ENABLE | KL3_CLK45_ENABLE
1608 | KL3_CLK31_ENABLE | KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE);
1609 if (sleep_mode)
1610 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_VIA_CLK16_ENABLE);
1611 MACIO_OUT32(KEYLARGO_FCR3, temp);
1612
1613 /* Flush posted writes & wait a bit */
1614 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1);
1615 }
1616
1617 static void pangea_shutdown(struct macio_chip *macio, int sleep_mode)
1618 {
1619 u32 temp;
1620
1621 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1622 KL0_SCC_CELL_ENABLE |
1623 KL0_USB0_CELL_ENABLE | KL0_USB1_CELL_ENABLE);
1624
1625 MACIO_BIC(KEYLARGO_FCR1,
1626 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT |
1627 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE |
1628 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1629 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1630 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE |
1631 KL1_UIDE_ENABLE);
1632 if (pmac_mb.board_flags & PMAC_MB_MOBILE)
1633 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N);
1634
1635 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
1636
1637 temp = MACIO_IN32(KEYLARGO_FCR3);
1638 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 |
1639 KL3_SHUTDOWN_PLLKW35;
1640 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | KL3_CLK31_ENABLE
1641 | KL3_I2S0_CLK18_ENABLE | KL3_I2S1_CLK18_ENABLE);
1642 if (sleep_mode)
1643 temp &= ~(KL3_VIA_CLK16_ENABLE | KL3_TIMER_CLK18_ENABLE);
1644 MACIO_OUT32(KEYLARGO_FCR3, temp);
1645
1646 /* Flush posted writes & wait a bit */
1647 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1);
1648 }
1649
1650 static void intrepid_shutdown(struct macio_chip *macio, int sleep_mode)
1651 {
1652 u32 temp;
1653
1654 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1655 KL0_SCC_CELL_ENABLE);
1656
1657 MACIO_BIC(KEYLARGO_FCR1,
1658 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1659 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1660 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE |
1661 KL1_EIDE0_ENABLE);
1662 if (pmac_mb.board_flags & PMAC_MB_MOBILE)
1663 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N);
1664
1665 temp = MACIO_IN32(KEYLARGO_FCR3);
1666 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE |
1667 KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE);
1668 if (sleep_mode)
1669 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_IT_VIA_CLK32_ENABLE);
1670 MACIO_OUT32(KEYLARGO_FCR3, temp);
1671
1672 /* Flush posted writes & wait a bit */
1673 (void)MACIO_IN32(KEYLARGO_FCR0);
1674 mdelay(10);
1675 }
1676
1677
1678 static int
1679 core99_sleep(void)
1680 {
1681 struct macio_chip *macio;
1682 int i;
1683
1684 macio = &macio_chips[0];
1685 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1686 macio->type != macio_intrepid)
1687 return -ENODEV;
1688
1689 /* We power off the wireless slot in case it was not done
1690 * by the driver. We don't power it on automatically however
1691 */
1692 if (macio->flags & MACIO_FLAG_AIRPORT_ON)
1693 core99_airport_enable(macio->of_node, 0, 0);
1694
1695 /* We power off the FW cable. Should be done by the driver... */
1696 if (macio->flags & MACIO_FLAG_FW_SUPPORTED) {
1697 core99_firewire_enable(NULL, 0, 0);
1698 core99_firewire_cable_power(NULL, 0, 0);
1699 }
1700
1701 /* We make sure int. modem is off (in case driver lost it) */
1702 if (macio->type == macio_keylargo)
1703 core99_modem_enable(macio->of_node, 0, 0);
1704 else
1705 pangea_modem_enable(macio->of_node, 0, 0);
1706
1707 /* We make sure the sound is off as well */
1708 core99_sound_chip_enable(macio->of_node, 0, 0);
1709
1710 /*
1711 * Save various bits of KeyLargo
1712 */
1713
1714 /* Save the state of the various GPIOs */
1715 save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0);
1716 save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1);
1717 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1718 save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i);
1719 for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1720 save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i);
1721
1722 /* Save the FCRs */
1723 if (macio->type == macio_keylargo)
1724 save_mbcr = MACIO_IN32(KEYLARGO_MBCR);
1725 save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0);
1726 save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1);
1727 save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2);
1728 save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3);
1729 save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4);
1730 if (macio->type == macio_pangea || macio->type == macio_intrepid)
1731 save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5);
1732
1733 /* Save state & config of DBDMA channels */
1734 dbdma_save(macio, save_dbdma);
1735
1736 /*
1737 * Turn off as much as we can
1738 */
1739 if (macio->type == macio_pangea)
1740 pangea_shutdown(macio, 1);
1741 else if (macio->type == macio_intrepid)
1742 intrepid_shutdown(macio, 1);
1743 else if (macio->type == macio_keylargo)
1744 keylargo_shutdown(macio, 1);
1745
1746 /*
1747 * Put the host bridge to sleep
1748 */
1749
1750 save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL);
1751 /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it
1752 * enabled !
1753 */
1754 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl &
1755 ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/));
1756 udelay(100);
1757 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1758 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP);
1759 mdelay(10);
1760
1761 /*
1762 * FIXME: A bit of black magic with OpenPIC (don't ask me why)
1763 */
1764 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1765 MACIO_BIS(0x506e0, 0x00400000);
1766 MACIO_BIS(0x506e0, 0x80000000);
1767 }
1768 return 0;
1769 }
1770
1771 static int
1772 core99_wake_up(void)
1773 {
1774 struct macio_chip *macio;
1775 int i;
1776
1777 macio = &macio_chips[0];
1778 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1779 macio->type != macio_intrepid)
1780 return -ENODEV;
1781
1782 /*
1783 * Wakeup the host bridge
1784 */
1785 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1786 udelay(10);
1787 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1788 udelay(10);
1789
1790 /*
1791 * Restore KeyLargo
1792 */
1793
1794 if (macio->type == macio_keylargo) {
1795 MACIO_OUT32(KEYLARGO_MBCR, save_mbcr);
1796 (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10);
1797 }
1798 MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]);
1799 (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10);
1800 MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]);
1801 (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10);
1802 MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]);
1803 (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10);
1804 MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]);
1805 (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10);
1806 MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]);
1807 (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10);
1808 if (macio->type == macio_pangea || macio->type == macio_intrepid) {
1809 MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]);
1810 (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10);
1811 }
1812
1813 dbdma_restore(macio, save_dbdma);
1814
1815 MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]);
1816 MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]);
1817 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1818 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]);
1819 for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1820 MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]);
1821
1822 /* FIXME more black magic with OpenPIC ... */
1823 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1824 MACIO_BIC(0x506e0, 0x00400000);
1825 MACIO_BIC(0x506e0, 0x80000000);
1826 }
1827
1828 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl);
1829 udelay(100);
1830
1831 return 0;
1832 }
1833
1834 #endif /* CONFIG_PM */
1835
1836 static long
1837 core99_sleep_state(struct device_node *node, long param, long value)
1838 {
1839 /* Param == 1 means to enter the "fake sleep" mode that is
1840 * used for CPU speed switch
1841 */
1842 if (param == 1) {
1843 if (value == 1) {
1844 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1845 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2);
1846 } else {
1847 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1848 udelay(10);
1849 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1850 udelay(10);
1851 }
1852 return 0;
1853 }
1854 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
1855 return -EPERM;
1856
1857 #ifdef CONFIG_PM
1858 if (value == 1)
1859 return core99_sleep();
1860 else if (value == 0)
1861 return core99_wake_up();
1862
1863 #endif /* CONFIG_PM */
1864 return 0;
1865 }
1866
1867 #endif /* CONFIG_POWER4 */
1868
1869 static long
1870 generic_dev_can_wake(struct device_node *node, long param, long value)
1871 {
1872 /* Todo: eventually check we are really dealing with on-board
1873 * video device ...
1874 */
1875
1876 if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP)
1877 pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP;
1878 return 0;
1879 }
1880
1881 static long generic_get_mb_info(struct device_node *node, long param, long value)
1882 {
1883 switch(param) {
1884 case PMAC_MB_INFO_MODEL:
1885 return pmac_mb.model_id;
1886 case PMAC_MB_INFO_FLAGS:
1887 return pmac_mb.board_flags;
1888 case PMAC_MB_INFO_NAME:
1889 /* hack hack hack... but should work */
1890 *((const char **)value) = pmac_mb.model_name;
1891 return 0;
1892 }
1893 return -EINVAL;
1894 }
1895
1896
1897 /*
1898 * Table definitions
1899 */
1900
1901 /* Used on any machine
1902 */
1903 static struct feature_table_entry any_features[] = {
1904 { PMAC_FTR_GET_MB_INFO, generic_get_mb_info },
1905 { PMAC_FTR_DEVICE_CAN_WAKE, generic_dev_can_wake },
1906 { 0, NULL }
1907 };
1908
1909 #ifndef CONFIG_POWER4
1910
1911 /* OHare based motherboards. Currently, we only use these on the
1912 * 2400,3400 and 3500 series powerbooks. Some older desktops seem
1913 * to have issues with turning on/off those asic cells
1914 */
1915 static struct feature_table_entry ohare_features[] = {
1916 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1917 { PMAC_FTR_SWIM3_ENABLE, ohare_floppy_enable },
1918 { PMAC_FTR_MESH_ENABLE, ohare_mesh_enable },
1919 { PMAC_FTR_IDE_ENABLE, ohare_ide_enable},
1920 { PMAC_FTR_IDE_RESET, ohare_ide_reset},
1921 { PMAC_FTR_SLEEP_STATE, ohare_sleep_state },
1922 { 0, NULL }
1923 };
1924
1925 /* Heathrow desktop machines (Beige G3).
1926 * Separated as some features couldn't be properly tested
1927 * and the serial port control bits appear to confuse it.
1928 */
1929 static struct feature_table_entry heathrow_desktop_features[] = {
1930 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1931 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1932 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1933 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1934 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1935 { 0, NULL }
1936 };
1937
1938 /* Heathrow based laptop, that is the Wallstreet and mainstreet
1939 * powerbooks.
1940 */
1941 static struct feature_table_entry heathrow_laptop_features[] = {
1942 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1943 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable },
1944 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1945 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1946 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1947 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1948 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1949 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable },
1950 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state },
1951 { 0, NULL }
1952 };
1953
1954 /* Paddington based machines
1955 * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4.
1956 */
1957 static struct feature_table_entry paddington_features[] = {
1958 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1959 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable },
1960 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1961 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1962 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1963 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1964 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1965 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable },
1966 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state },
1967 { 0, NULL }
1968 };
1969
1970 /* Core99 & MacRISC 2 machines (all machines released since the
1971 * iBook (included), that is all AGP machines, except pangea
1972 * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo
1973 * used on iBook2 & iMac "flow power".
1974 */
1975 static struct feature_table_entry core99_features[] = {
1976 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
1977 { PMAC_FTR_MODEM_ENABLE, core99_modem_enable },
1978 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
1979 { PMAC_FTR_IDE_RESET, core99_ide_reset },
1980 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
1981 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
1982 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
1983 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
1984 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
1985 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
1986 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
1987 #ifdef CONFIG_PM
1988 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
1989 #endif
1990 #ifdef CONFIG_SMP
1991 { PMAC_FTR_RESET_CPU, core99_reset_cpu },
1992 #endif /* CONFIG_SMP */
1993 { PMAC_FTR_READ_GPIO, core99_read_gpio },
1994 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
1995 { 0, NULL }
1996 };
1997
1998 /* RackMac
1999 */
2000 static struct feature_table_entry rackmac_features[] = {
2001 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2002 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2003 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2004 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2005 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2006 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2007 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2008 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2009 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2010 #ifdef CONFIG_SMP
2011 { PMAC_FTR_RESET_CPU, core99_reset_cpu },
2012 #endif /* CONFIG_SMP */
2013 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2014 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2015 { 0, NULL }
2016 };
2017
2018 /* Pangea features
2019 */
2020 static struct feature_table_entry pangea_features[] = {
2021 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2022 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable },
2023 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2024 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2025 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2026 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2027 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
2028 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
2029 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2030 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2031 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2032 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2033 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2034 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2035 { 0, NULL }
2036 };
2037
2038 /* Intrepid features
2039 */
2040 static struct feature_table_entry intrepid_features[] = {
2041 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2042 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable },
2043 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2044 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2045 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2046 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2047 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
2048 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
2049 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2050 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2051 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2052 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2053 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2054 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2055 { PMAC_FTR_AACK_DELAY_ENABLE, intrepid_aack_delay_enable },
2056 { 0, NULL }
2057 };
2058
2059 #else /* CONFIG_POWER4 */
2060
2061 /* G5 features
2062 */
2063 static struct feature_table_entry g5_features[] = {
2064 { PMAC_FTR_GMAC_ENABLE, g5_gmac_enable },
2065 { PMAC_FTR_1394_ENABLE, g5_fw_enable },
2066 { PMAC_FTR_ENABLE_MPIC, g5_mpic_enable },
2067 { PMAC_FTR_GMAC_PHY_RESET, g5_eth_phy_reset },
2068 { PMAC_FTR_SOUND_CHIP_ENABLE, g5_i2s_enable },
2069 #ifdef CONFIG_SMP
2070 { PMAC_FTR_RESET_CPU, g5_reset_cpu },
2071 #endif /* CONFIG_SMP */
2072 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2073 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2074 { 0, NULL }
2075 };
2076
2077 #endif /* CONFIG_POWER4 */
2078
2079 static struct pmac_mb_def pmac_mb_defs[] = {
2080 #ifndef CONFIG_POWER4
2081 /*
2082 * Desktops
2083 */
2084
2085 { "AAPL,8500", "PowerMac 8500/8600",
2086 PMAC_TYPE_PSURGE, NULL,
2087 0
2088 },
2089 { "AAPL,9500", "PowerMac 9500/9600",
2090 PMAC_TYPE_PSURGE, NULL,
2091 0
2092 },
2093 { "AAPL,7200", "PowerMac 7200",
2094 PMAC_TYPE_PSURGE, NULL,
2095 0
2096 },
2097 { "AAPL,7300", "PowerMac 7200/7300",
2098 PMAC_TYPE_PSURGE, NULL,
2099 0
2100 },
2101 { "AAPL,7500", "PowerMac 7500",
2102 PMAC_TYPE_PSURGE, NULL,
2103 0
2104 },
2105 { "AAPL,ShinerESB", "Apple Network Server",
2106 PMAC_TYPE_ANS, NULL,
2107 0
2108 },
2109 { "AAPL,e407", "Alchemy",
2110 PMAC_TYPE_ALCHEMY, NULL,
2111 0
2112 },
2113 { "AAPL,e411", "Gazelle",
2114 PMAC_TYPE_GAZELLE, NULL,
2115 0
2116 },
2117 { "AAPL,Gossamer", "PowerMac G3 (Gossamer)",
2118 PMAC_TYPE_GOSSAMER, heathrow_desktop_features,
2119 0
2120 },
2121 { "AAPL,PowerMac G3", "PowerMac G3 (Silk)",
2122 PMAC_TYPE_SILK, heathrow_desktop_features,
2123 0
2124 },
2125 { "PowerMac1,1", "Blue&White G3",
2126 PMAC_TYPE_YOSEMITE, paddington_features,
2127 0
2128 },
2129 { "PowerMac1,2", "PowerMac G4 PCI Graphics",
2130 PMAC_TYPE_YIKES, paddington_features,
2131 0
2132 },
2133 { "PowerMac2,1", "iMac FireWire",
2134 PMAC_TYPE_FW_IMAC, core99_features,
2135 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2136 },
2137 { "PowerMac2,2", "iMac FireWire",
2138 PMAC_TYPE_FW_IMAC, core99_features,
2139 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2140 },
2141 { "PowerMac3,1", "PowerMac G4 AGP Graphics",
2142 PMAC_TYPE_SAWTOOTH, core99_features,
2143 PMAC_MB_OLD_CORE99
2144 },
2145 { "PowerMac3,2", "PowerMac G4 AGP Graphics",
2146 PMAC_TYPE_SAWTOOTH, core99_features,
2147 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2148 },
2149 { "PowerMac3,3", "PowerMac G4 AGP Graphics",
2150 PMAC_TYPE_SAWTOOTH, core99_features,
2151 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2152 },
2153 { "PowerMac3,4", "PowerMac G4 Silver",
2154 PMAC_TYPE_QUICKSILVER, core99_features,
2155 PMAC_MB_MAY_SLEEP
2156 },
2157 { "PowerMac3,5", "PowerMac G4 Silver",
2158 PMAC_TYPE_QUICKSILVER, core99_features,
2159 PMAC_MB_MAY_SLEEP
2160 },
2161 { "PowerMac3,6", "PowerMac G4 Windtunnel",
2162 PMAC_TYPE_WINDTUNNEL, core99_features,
2163 PMAC_MB_MAY_SLEEP,
2164 },
2165 { "PowerMac4,1", "iMac \"Flower Power\"",
2166 PMAC_TYPE_PANGEA_IMAC, pangea_features,
2167 PMAC_MB_MAY_SLEEP
2168 },
2169 { "PowerMac4,2", "Flat panel iMac",
2170 PMAC_TYPE_FLAT_PANEL_IMAC, pangea_features,
2171 PMAC_MB_CAN_SLEEP
2172 },
2173 { "PowerMac4,4", "eMac",
2174 PMAC_TYPE_EMAC, core99_features,
2175 PMAC_MB_MAY_SLEEP
2176 },
2177 { "PowerMac5,1", "PowerMac G4 Cube",
2178 PMAC_TYPE_CUBE, core99_features,
2179 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2180 },
2181 { "PowerMac6,1", "Flat panel iMac",
2182 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2183 PMAC_MB_MAY_SLEEP,
2184 },
2185 { "PowerMac6,3", "Flat panel iMac",
2186 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2187 PMAC_MB_MAY_SLEEP,
2188 },
2189 { "PowerMac6,4", "eMac",
2190 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2191 PMAC_MB_MAY_SLEEP,
2192 },
2193 { "PowerMac10,1", "Mac mini",
2194 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2195 PMAC_MB_MAY_SLEEP,
2196 },
2197 { "PowerMac10,2", "Mac mini (Late 2005)",
2198 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2199 PMAC_MB_MAY_SLEEP,
2200 },
2201 { "iMac,1", "iMac (first generation)",
2202 PMAC_TYPE_ORIG_IMAC, paddington_features,
2203 0
2204 },
2205
2206 /*
2207 * Xserve's
2208 */
2209
2210 { "RackMac1,1", "XServe",
2211 PMAC_TYPE_RACKMAC, rackmac_features,
2212 0,
2213 },
2214 { "RackMac1,2", "XServe rev. 2",
2215 PMAC_TYPE_RACKMAC, rackmac_features,
2216 0,
2217 },
2218
2219 /*
2220 * Laptops
2221 */
2222
2223 { "AAPL,3400/2400", "PowerBook 3400",
2224 PMAC_TYPE_HOOPER, ohare_features,
2225 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2226 },
2227 { "AAPL,3500", "PowerBook 3500",
2228 PMAC_TYPE_KANGA, ohare_features,
2229 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2230 },
2231 { "AAPL,PowerBook1998", "PowerBook Wallstreet",
2232 PMAC_TYPE_WALLSTREET, heathrow_laptop_features,
2233 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2234 },
2235 { "PowerBook1,1", "PowerBook 101 (Lombard)",
2236 PMAC_TYPE_101_PBOOK, paddington_features,
2237 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2238 },
2239 { "PowerBook2,1", "iBook (first generation)",
2240 PMAC_TYPE_ORIG_IBOOK, core99_features,
2241 PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2242 },
2243 { "PowerBook2,2", "iBook FireWire",
2244 PMAC_TYPE_FW_IBOOK, core99_features,
2245 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2246 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2247 },
2248 { "PowerBook3,1", "PowerBook Pismo",
2249 PMAC_TYPE_PISMO, core99_features,
2250 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2251 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2252 },
2253 { "PowerBook3,2", "PowerBook Titanium",
2254 PMAC_TYPE_TITANIUM, core99_features,
2255 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2256 },
2257 { "PowerBook3,3", "PowerBook Titanium II",
2258 PMAC_TYPE_TITANIUM2, core99_features,
2259 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2260 },
2261 { "PowerBook3,4", "PowerBook Titanium III",
2262 PMAC_TYPE_TITANIUM3, core99_features,
2263 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2264 },
2265 { "PowerBook3,5", "PowerBook Titanium IV",
2266 PMAC_TYPE_TITANIUM4, core99_features,
2267 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2268 },
2269 { "PowerBook4,1", "iBook 2",
2270 PMAC_TYPE_IBOOK2, pangea_features,
2271 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2272 },
2273 { "PowerBook4,2", "iBook 2",
2274 PMAC_TYPE_IBOOK2, pangea_features,
2275 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2276 },
2277 { "PowerBook4,3", "iBook 2 rev. 2",
2278 PMAC_TYPE_IBOOK2, pangea_features,
2279 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2280 },
2281 { "PowerBook5,1", "PowerBook G4 17\"",
2282 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2283 PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2284 },
2285 { "PowerBook5,2", "PowerBook G4 15\"",
2286 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2287 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2288 },
2289 { "PowerBook5,3", "PowerBook G4 17\"",
2290 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2291 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2292 },
2293 { "PowerBook5,4", "PowerBook G4 15\"",
2294 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2295 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2296 },
2297 { "PowerBook5,5", "PowerBook G4 17\"",
2298 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2299 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2300 },
2301 { "PowerBook5,6", "PowerBook G4 15\"",
2302 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2303 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2304 },
2305 { "PowerBook5,7", "PowerBook G4 17\"",
2306 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2307 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2308 },
2309 { "PowerBook5,8", "PowerBook G4 15\"",
2310 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2311 PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE,
2312 },
2313 { "PowerBook5,9", "PowerBook G4 17\"",
2314 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2315 PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE,
2316 },
2317 { "PowerBook6,1", "PowerBook G4 12\"",
2318 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2319 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2320 },
2321 { "PowerBook6,2", "PowerBook G4",
2322 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2323 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2324 },
2325 { "PowerBook6,3", "iBook G4",
2326 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2327 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2328 },
2329 { "PowerBook6,4", "PowerBook G4 12\"",
2330 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2331 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2332 },
2333 { "PowerBook6,5", "iBook G4",
2334 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2335 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2336 },
2337 { "PowerBook6,7", "iBook G4",
2338 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2339 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2340 },
2341 { "PowerBook6,8", "PowerBook G4 12\"",
2342 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2343 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2344 },
2345 #else /* CONFIG_POWER4 */
2346 { "PowerMac7,2", "PowerMac G5",
2347 PMAC_TYPE_POWERMAC_G5, g5_features,
2348 0,
2349 },
2350 #ifdef CONFIG_PPC64
2351 { "PowerMac7,3", "PowerMac G5",
2352 PMAC_TYPE_POWERMAC_G5, g5_features,
2353 0,
2354 },
2355 { "PowerMac8,1", "iMac G5",
2356 PMAC_TYPE_IMAC_G5, g5_features,
2357 0,
2358 },
2359 { "PowerMac9,1", "PowerMac G5",
2360 PMAC_TYPE_POWERMAC_G5_U3L, g5_features,
2361 0,
2362 },
2363 { "PowerMac11,2", "PowerMac G5 Dual Core",
2364 PMAC_TYPE_POWERMAC_G5_U3L, g5_features,
2365 0,
2366 },
2367 { "PowerMac12,1", "iMac G5 (iSight)",
2368 PMAC_TYPE_POWERMAC_G5_U3L, g5_features,
2369 0,
2370 },
2371 { "RackMac3,1", "XServe G5",
2372 PMAC_TYPE_XSERVE_G5, g5_features,
2373 0,
2374 },
2375 #endif /* CONFIG_PPC64 */
2376 #endif /* CONFIG_POWER4 */
2377 };
2378
2379 /*
2380 * The toplevel feature_call callback
2381 */
2382 long pmac_do_feature_call(unsigned int selector, ...)
2383 {
2384 struct device_node *node;
2385 long param, value;
2386 int i;
2387 feature_call func = NULL;
2388 va_list args;
2389
2390 if (pmac_mb.features)
2391 for (i=0; pmac_mb.features[i].function; i++)
2392 if (pmac_mb.features[i].selector == selector) {
2393 func = pmac_mb.features[i].function;
2394 break;
2395 }
2396 if (!func)
2397 for (i=0; any_features[i].function; i++)
2398 if (any_features[i].selector == selector) {
2399 func = any_features[i].function;
2400 break;
2401 }
2402 if (!func)
2403 return -ENODEV;
2404
2405 va_start(args, selector);
2406 node = (struct device_node*)va_arg(args, void*);
2407 param = va_arg(args, long);
2408 value = va_arg(args, long);
2409 va_end(args);
2410
2411 return func(node, param, value);
2412 }
2413
2414 static int __init probe_motherboard(void)
2415 {
2416 int i;
2417 struct macio_chip *macio = &macio_chips[0];
2418 const char *model = NULL;
2419 struct device_node *dt;
2420 int ret = 0;
2421
2422 /* Lookup known motherboard type in device-tree. First try an
2423 * exact match on the "model" property, then try a "compatible"
2424 * match is none is found.
2425 */
2426 dt = of_find_node_by_name(NULL, "device-tree");
2427 if (dt != NULL)
2428 model = of_get_property(dt, "model", NULL);
2429 for(i=0; model && i<ARRAY_SIZE(pmac_mb_defs); i++) {
2430 if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
2431 pmac_mb = pmac_mb_defs[i];
2432 goto found;
2433 }
2434 }
2435 for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) {
2436 if (of_machine_is_compatible(pmac_mb_defs[i].model_string)) {
2437 pmac_mb = pmac_mb_defs[i];
2438 goto found;
2439 }
2440 }
2441
2442 /* Fallback to selection depending on mac-io chip type */
2443 switch(macio->type) {
2444 #ifndef CONFIG_POWER4
2445 case macio_grand_central:
2446 pmac_mb.model_id = PMAC_TYPE_PSURGE;
2447 pmac_mb.model_name = "Unknown PowerSurge";
2448 break;
2449 case macio_ohare:
2450 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE;
2451 pmac_mb.model_name = "Unknown OHare-based";
2452 break;
2453 case macio_heathrow:
2454 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW;
2455 pmac_mb.model_name = "Unknown Heathrow-based";
2456 pmac_mb.features = heathrow_desktop_features;
2457 break;
2458 case macio_paddington:
2459 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON;
2460 pmac_mb.model_name = "Unknown Paddington-based";
2461 pmac_mb.features = paddington_features;
2462 break;
2463 case macio_keylargo:
2464 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99;
2465 pmac_mb.model_name = "Unknown Keylargo-based";
2466 pmac_mb.features = core99_features;
2467 break;
2468 case macio_pangea:
2469 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA;
2470 pmac_mb.model_name = "Unknown Pangea-based";
2471 pmac_mb.features = pangea_features;
2472 break;
2473 case macio_intrepid:
2474 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID;
2475 pmac_mb.model_name = "Unknown Intrepid-based";
2476 pmac_mb.features = intrepid_features;
2477 break;
2478 #else /* CONFIG_POWER4 */
2479 case macio_keylargo2:
2480 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2;
2481 pmac_mb.model_name = "Unknown K2-based";
2482 pmac_mb.features = g5_features;
2483 break;
2484 case macio_shasta:
2485 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_SHASTA;
2486 pmac_mb.model_name = "Unknown Shasta-based";
2487 pmac_mb.features = g5_features;
2488 break;
2489 #endif /* CONFIG_POWER4 */
2490 default:
2491 ret = -ENODEV;
2492 goto done;
2493 }
2494 found:
2495 #ifndef CONFIG_POWER4
2496 /* Fixup Hooper vs. Comet */
2497 if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
2498 u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
2499 if (!mach_id_ptr) {
2500 ret = -ENODEV;
2501 goto done;
2502 }
2503 /* Here, I used to disable the media-bay on comet. It
2504 * appears this is wrong, the floppy connector is actually
2505 * a kind of media-bay and works with the current driver.
2506 */
2507 if (__raw_readl(mach_id_ptr) & 0x20000000UL)
2508 pmac_mb.model_id = PMAC_TYPE_COMET;
2509 iounmap(mach_id_ptr);
2510 }
2511
2512 /* Set default value of powersave_nap on machines that support it.
2513 * It appears that uninorth rev 3 has a problem with it, we don't
2514 * enable it on those. In theory, the flush-on-lock property is
2515 * supposed to be set when not supported, but I'm not very confident
2516 * that all Apple OF revs did it properly, I do it the paranoid way.
2517 */
2518 while (uninorth_base && uninorth_rev > 3) {
2519 struct device_node *cpus = of_find_node_by_path("/cpus");
2520 struct device_node *np;
2521
2522 if (!cpus || !cpus->child) {
2523 printk(KERN_WARNING "Can't find CPU(s) in device tree !\n");
2524 of_node_put(cpus);
2525 break;
2526 }
2527 np = cpus->child;
2528 /* Nap mode not supported on SMP */
2529 if (np->sibling) {
2530 of_node_put(cpus);
2531 break;
2532 }
2533 /* Nap mode not supported if flush-on-lock property is present */
2534 if (of_get_property(np, "flush-on-lock", NULL)) {
2535 of_node_put(cpus);
2536 break;
2537 }
2538 of_node_put(cpus);
2539 powersave_nap = 1;
2540 printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n");
2541 break;
2542 }
2543
2544 /* On CPUs that support it (750FX), lowspeed by default during
2545 * NAP mode
2546 */
2547 powersave_lowspeed = 1;
2548
2549 #else /* CONFIG_POWER4 */
2550 powersave_nap = 1;
2551 #endif /* CONFIG_POWER4 */
2552
2553 /* Check for "mobile" machine */
2554 if (model && (strncmp(model, "PowerBook", 9) == 0
2555 || strncmp(model, "iBook", 5) == 0))
2556 pmac_mb.board_flags |= PMAC_MB_MOBILE;
2557
2558
2559 printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name);
2560 done:
2561 of_node_put(dt);
2562 return ret;
2563 }
2564
2565 /* Initialize the Core99 UniNorth host bridge and memory controller
2566 */
2567 static void __init probe_uninorth(void)
2568 {
2569 const u32 *addrp;
2570 phys_addr_t address;
2571 unsigned long actrl;
2572
2573 /* Locate core99 Uni-N */
2574 uninorth_node = of_find_node_by_name(NULL, "uni-n");
2575 uninorth_maj = 1;
2576
2577 /* Locate G5 u3 */
2578 if (uninorth_node == NULL) {
2579 uninorth_node = of_find_node_by_name(NULL, "u3");
2580 uninorth_maj = 3;
2581 }
2582 /* Locate G5 u4 */
2583 if (uninorth_node == NULL) {
2584 uninorth_node = of_find_node_by_name(NULL, "u4");
2585 uninorth_maj = 4;
2586 }
2587 if (uninorth_node == NULL) {
2588 uninorth_maj = 0;
2589 return;
2590 }
2591
2592 addrp = of_get_property(uninorth_node, "reg", NULL);
2593 if (addrp == NULL)
2594 return;
2595 address = of_translate_address(uninorth_node, addrp);
2596 if (address == 0)
2597 return;
2598 uninorth_base = ioremap(address, 0x40000);
2599 if (uninorth_base == NULL)
2600 return;
2601 uninorth_rev = in_be32(UN_REG(UNI_N_VERSION));
2602 if (uninorth_maj == 3 || uninorth_maj == 4) {
2603 u3_ht_base = ioremap(address + U3_HT_CONFIG_BASE, 0x1000);
2604 if (u3_ht_base == NULL) {
2605 iounmap(uninorth_base);
2606 return;
2607 }
2608 }
2609
2610 printk(KERN_INFO "Found %s memory controller & host bridge"
2611 " @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" :
2612 uninorth_maj == 4 ? "U4" : "UniNorth",
2613 (unsigned int)address, uninorth_rev);
2614 printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base);
2615
2616 /* Set the arbitrer QAck delay according to what Apple does
2617 */
2618 if (uninorth_rev < 0x11) {
2619 actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK;
2620 actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 :
2621 UNI_N_ARB_CTRL_QACK_DELAY) <<
2622 UNI_N_ARB_CTRL_QACK_DELAY_SHIFT;
2623 UN_OUT(UNI_N_ARB_CTRL, actrl);
2624 }
2625
2626 /* Some more magic as done by them in recent MacOS X on UniNorth
2627 * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI
2628 * memory timeout
2629 */
2630 if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) ||
2631 uninorth_rev == 0xc0)
2632 UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff);
2633 }
2634
2635 static void __init probe_one_macio(const char *name, const char *compat, int type)
2636 {
2637 struct device_node* node;
2638 int i;
2639 volatile u32 __iomem *base;
2640 const u32 *addrp, *revp;
2641 phys_addr_t addr;
2642 u64 size;
2643
2644 for (node = NULL; (node = of_find_node_by_name(node, name)) != NULL;) {
2645 if (!compat)
2646 break;
2647 if (of_device_is_compatible(node, compat))
2648 break;
2649 }
2650 if (!node)
2651 return;
2652 for(i=0; i<MAX_MACIO_CHIPS; i++) {
2653 if (!macio_chips[i].of_node)
2654 break;
2655 if (macio_chips[i].of_node == node)
2656 return;
2657 }
2658
2659 if (i >= MAX_MACIO_CHIPS) {
2660 printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n");
2661 printk(KERN_ERR "pmac_feature: %s skipped\n", node->full_name);
2662 return;
2663 }
2664 addrp = of_get_pci_address(node, 0, &size, NULL);
2665 if (addrp == NULL) {
2666 printk(KERN_ERR "pmac_feature: %s: can't find base !\n",
2667 node->full_name);
2668 return;
2669 }
2670 addr = of_translate_address(node, addrp);
2671 if (addr == 0) {
2672 printk(KERN_ERR "pmac_feature: %s, can't translate base !\n",
2673 node->full_name);
2674 return;
2675 }
2676 base = ioremap(addr, (unsigned long)size);
2677 if (!base) {
2678 printk(KERN_ERR "pmac_feature: %s, can't map mac-io chip !\n",
2679 node->full_name);
2680 return;
2681 }
2682 if (type == macio_keylargo || type == macio_keylargo2) {
2683 const u32 *did = of_get_property(node, "device-id", NULL);
2684 if (*did == 0x00000025)
2685 type = macio_pangea;
2686 if (*did == 0x0000003e)
2687 type = macio_intrepid;
2688 if (*did == 0x0000004f)
2689 type = macio_shasta;
2690 }
2691 macio_chips[i].of_node = node;
2692 macio_chips[i].type = type;
2693 macio_chips[i].base = base;
2694 macio_chips[i].flags = MACIO_FLAG_SCCA_ON | MACIO_FLAG_SCCB_ON;
2695 macio_chips[i].name = macio_names[type];
2696 revp = of_get_property(node, "revision-id", NULL);
2697 if (revp)
2698 macio_chips[i].rev = *revp;
2699 printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n",
2700 macio_names[type], macio_chips[i].rev, macio_chips[i].base);
2701 }
2702
2703 static int __init
2704 probe_macios(void)
2705 {
2706 /* Warning, ordering is important */
2707 probe_one_macio("gc", NULL, macio_grand_central);
2708 probe_one_macio("ohare", NULL, macio_ohare);
2709 probe_one_macio("pci106b,7", NULL, macio_ohareII);
2710 probe_one_macio("mac-io", "keylargo", macio_keylargo);
2711 probe_one_macio("mac-io", "paddington", macio_paddington);
2712 probe_one_macio("mac-io", "gatwick", macio_gatwick);
2713 probe_one_macio("mac-io", "heathrow", macio_heathrow);
2714 probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2);
2715
2716 /* Make sure the "main" macio chip appear first */
2717 if (macio_chips[0].type == macio_gatwick
2718 && macio_chips[1].type == macio_heathrow) {
2719 struct macio_chip temp = macio_chips[0];
2720 macio_chips[0] = macio_chips[1];
2721 macio_chips[1] = temp;
2722 }
2723 if (macio_chips[0].type == macio_ohareII
2724 && macio_chips[1].type == macio_ohare) {
2725 struct macio_chip temp = macio_chips[0];
2726 macio_chips[0] = macio_chips[1];
2727 macio_chips[1] = temp;
2728 }
2729 macio_chips[0].lbus.index = 0;
2730 macio_chips[1].lbus.index = 1;
2731
2732 return (macio_chips[0].of_node == NULL) ? -ENODEV : 0;
2733 }
2734
2735 static void __init
2736 initial_serial_shutdown(struct device_node *np)
2737 {
2738 int len;
2739 const struct slot_names_prop {
2740 int count;
2741 char name[1];
2742 } *slots;
2743 const char *conn;
2744 int port_type = PMAC_SCC_ASYNC;
2745 int modem = 0;
2746
2747 slots = of_get_property(np, "slot-names", &len);
2748 conn = of_get_property(np, "AAPL,connector", &len);
2749 if (conn && (strcmp(conn, "infrared") == 0))
2750 port_type = PMAC_SCC_IRDA;
2751 else if (of_device_is_compatible(np, "cobalt"))
2752 modem = 1;
2753 else if (slots && slots->count > 0) {
2754 if (strcmp(slots->name, "IrDA") == 0)
2755 port_type = PMAC_SCC_IRDA;
2756 else if (strcmp(slots->name, "Modem") == 0)
2757 modem = 1;
2758 }
2759 if (modem)
2760 pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0);
2761 pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0);
2762 }
2763
2764 static void __init
2765 set_initial_features(void)
2766 {
2767 struct device_node *np;
2768
2769 /* That hack appears to be necessary for some StarMax motherboards
2770 * but I'm not too sure it was audited for side-effects on other
2771 * ohare based machines...
2772 * Since I still have difficulties figuring the right way to
2773 * differenciate them all and since that hack was there for a long
2774 * time, I'll keep it around
2775 */
2776 if (macio_chips[0].type == macio_ohare) {
2777 struct macio_chip *macio = &macio_chips[0];
2778 np = of_find_node_by_name(NULL, "via-pmu");
2779 if (np)
2780 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2781 else
2782 MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
2783 of_node_put(np);
2784 } else if (macio_chips[1].type == macio_ohare) {
2785 struct macio_chip *macio = &macio_chips[1];
2786 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2787 }
2788
2789 #ifdef CONFIG_POWER4
2790 if (macio_chips[0].type == macio_keylargo2 ||
2791 macio_chips[0].type == macio_shasta) {
2792 #ifndef CONFIG_SMP
2793 /* On SMP machines running UP, we have the second CPU eating
2794 * bus cycles. We need to take it off the bus. This is done
2795 * from pmac_smp for SMP kernels running on one CPU
2796 */
2797 np = of_find_node_by_type(NULL, "cpu");
2798 if (np != NULL)
2799 np = of_find_node_by_type(np, "cpu");
2800 if (np != NULL) {
2801 g5_phy_disable_cpu1();
2802 of_node_put(np);
2803 }
2804 #endif /* CONFIG_SMP */
2805 /* Enable GMAC for now for PCI probing. It will be disabled
2806 * later on after PCI probe
2807 */
2808 np = of_find_node_by_name(NULL, "ethernet");
2809 while(np) {
2810 if (of_device_is_compatible(np, "K2-GMAC"))
2811 g5_gmac_enable(np, 0, 1);
2812 np = of_find_node_by_name(np, "ethernet");
2813 }
2814
2815 /* Enable FW before PCI probe. Will be disabled later on
2816 * Note: We should have a batter way to check that we are
2817 * dealing with uninorth internal cell and not a PCI cell
2818 * on the external PCI. The code below works though.
2819 */
2820 np = of_find_node_by_name(NULL, "firewire");
2821 while(np) {
2822 if (of_device_is_compatible(np, "pci106b,5811")) {
2823 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2824 g5_fw_enable(np, 0, 1);
2825 }
2826 np = of_find_node_by_name(np, "firewire");
2827 }
2828 }
2829 #else /* CONFIG_POWER4 */
2830
2831 if (macio_chips[0].type == macio_keylargo ||
2832 macio_chips[0].type == macio_pangea ||
2833 macio_chips[0].type == macio_intrepid) {
2834 /* Enable GMAC for now for PCI probing. It will be disabled
2835 * later on after PCI probe
2836 */
2837 np = of_find_node_by_name(NULL, "ethernet");
2838 while(np) {
2839 if (np->parent
2840 && of_device_is_compatible(np->parent, "uni-north")
2841 && of_device_is_compatible(np, "gmac"))
2842 core99_gmac_enable(np, 0, 1);
2843 np = of_find_node_by_name(np, "ethernet");
2844 }
2845
2846 /* Enable FW before PCI probe. Will be disabled later on
2847 * Note: We should have a batter way to check that we are
2848 * dealing with uninorth internal cell and not a PCI cell
2849 * on the external PCI. The code below works though.
2850 */
2851 np = of_find_node_by_name(NULL, "firewire");
2852 while(np) {
2853 if (np->parent
2854 && of_device_is_compatible(np->parent, "uni-north")
2855 && (of_device_is_compatible(np, "pci106b,18") ||
2856 of_device_is_compatible(np, "pci106b,30") ||
2857 of_device_is_compatible(np, "pci11c1,5811"))) {
2858 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2859 core99_firewire_enable(np, 0, 1);
2860 }
2861 np = of_find_node_by_name(np, "firewire");
2862 }
2863
2864 /* Enable ATA-100 before PCI probe. */
2865 np = of_find_node_by_name(NULL, "ata-6");
2866 while(np) {
2867 if (np->parent
2868 && of_device_is_compatible(np->parent, "uni-north")
2869 && of_device_is_compatible(np, "kauai-ata")) {
2870 core99_ata100_enable(np, 1);
2871 }
2872 np = of_find_node_by_name(np, "ata-6");
2873 }
2874
2875 /* Switch airport off */
2876 for_each_node_by_name(np, "radio") {
2877 if (np->parent == macio_chips[0].of_node) {
2878 macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON;
2879 core99_airport_enable(np, 0, 0);
2880 }
2881 }
2882 }
2883
2884 /* On all machines that support sound PM, switch sound off */
2885 if (macio_chips[0].of_node)
2886 pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE,
2887 macio_chips[0].of_node, 0, 0);
2888
2889 /* While on some desktop G3s, we turn it back on */
2890 if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow
2891 && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER ||
2892 pmac_mb.model_id == PMAC_TYPE_SILK)) {
2893 struct macio_chip *macio = &macio_chips[0];
2894 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
2895 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
2896 }
2897
2898 #endif /* CONFIG_POWER4 */
2899
2900 /* On all machines, switch modem & serial ports off */
2901 for_each_node_by_name(np, "ch-a")
2902 initial_serial_shutdown(np);
2903 of_node_put(np);
2904 for_each_node_by_name(np, "ch-b")
2905 initial_serial_shutdown(np);
2906 of_node_put(np);
2907 }
2908
2909 void __init
2910 pmac_feature_init(void)
2911 {
2912 /* Detect the UniNorth memory controller */
2913 probe_uninorth();
2914
2915 /* Probe mac-io controllers */
2916 if (probe_macios()) {
2917 printk(KERN_WARNING "No mac-io chip found\n");
2918 return;
2919 }
2920
2921 /* Probe machine type */
2922 if (probe_motherboard())
2923 printk(KERN_WARNING "Unknown PowerMac !\n");
2924
2925 /* Set some initial features (turn off some chips that will
2926 * be later turned on)
2927 */
2928 set_initial_features();
2929 }
2930
2931 #if 0
2932 static void dump_HT_speeds(char *name, u32 cfg, u32 frq)
2933 {
2934 int freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 };
2935 int bits[8] = { 8,16,0,32,2,4,0,0 };
2936 int freq = (frq >> 8) & 0xf;
2937
2938 if (freqs[freq] == 0)
2939 printk("%s: Unknown HT link frequency %x\n", name, freq);
2940 else
2941 printk("%s: %d MHz on main link, (%d in / %d out) bits width\n",
2942 name, freqs[freq],
2943 bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]);
2944 }
2945
2946 void __init pmac_check_ht_link(void)
2947 {
2948 u32 ufreq, freq, ucfg, cfg;
2949 struct device_node *pcix_node;
2950 u8 px_bus, px_devfn;
2951 struct pci_controller *px_hose;
2952
2953 (void)in_be32(u3_ht_base + U3_HT_LINK_COMMAND);
2954 ucfg = cfg = in_be32(u3_ht_base + U3_HT_LINK_CONFIG);
2955 ufreq = freq = in_be32(u3_ht_base + U3_HT_LINK_FREQ);
2956 dump_HT_speeds("U3 HyperTransport", cfg, freq);
2957
2958 pcix_node = of_find_compatible_node(NULL, "pci", "pci-x");
2959 if (pcix_node == NULL) {
2960 printk("No PCI-X bridge found\n");
2961 return;
2962 }
2963 if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) {
2964 printk("PCI-X bridge found but not matched to pci\n");
2965 return;
2966 }
2967 px_hose = pci_find_hose_for_OF_device(pcix_node);
2968 if (px_hose == NULL) {
2969 printk("PCI-X bridge found but not matched to host\n");
2970 return;
2971 }
2972 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg);
2973 early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq);
2974 dump_HT_speeds("PCI-X HT Uplink", cfg, freq);
2975 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg);
2976 early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq);
2977 dump_HT_speeds("PCI-X HT Downlink", cfg, freq);
2978 }
2979 #endif /* 0 */
2980
2981 /*
2982 * Early video resume hook
2983 */
2984
2985 static void (*pmac_early_vresume_proc)(void *data);
2986 static void *pmac_early_vresume_data;
2987
2988 void pmac_set_early_video_resume(void (*proc)(void *data), void *data)
2989 {
2990 if (!machine_is(powermac))
2991 return;
2992 preempt_disable();
2993 pmac_early_vresume_proc = proc;
2994 pmac_early_vresume_data = data;
2995 preempt_enable();
2996 }
2997 EXPORT_SYMBOL(pmac_set_early_video_resume);
2998
2999 void pmac_call_early_video_resume(void)
3000 {
3001 if (pmac_early_vresume_proc)
3002 pmac_early_vresume_proc(pmac_early_vresume_data);
3003 }
3004
3005 /*
3006 * AGP related suspend/resume code
3007 */
3008
3009 static struct pci_dev *pmac_agp_bridge;
3010 static int (*pmac_agp_suspend)(struct pci_dev *bridge);
3011 static int (*pmac_agp_resume)(struct pci_dev *bridge);
3012
3013 void pmac_register_agp_pm(struct pci_dev *bridge,
3014 int (*suspend)(struct pci_dev *bridge),
3015 int (*resume)(struct pci_dev *bridge))
3016 {
3017 if (suspend || resume) {
3018 pmac_agp_bridge = bridge;
3019 pmac_agp_suspend = suspend;
3020 pmac_agp_resume = resume;
3021 return;
3022 }
3023 if (bridge != pmac_agp_bridge)
3024 return;
3025 pmac_agp_suspend = pmac_agp_resume = NULL;
3026 return;
3027 }
3028 EXPORT_SYMBOL(pmac_register_agp_pm);
3029
3030 void pmac_suspend_agp_for_card(struct pci_dev *dev)
3031 {
3032 if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL)
3033 return;
3034 if (pmac_agp_bridge->bus != dev->bus)
3035 return;
3036 pmac_agp_suspend(pmac_agp_bridge);
3037 }
3038 EXPORT_SYMBOL(pmac_suspend_agp_for_card);
3039
3040 void pmac_resume_agp_for_card(struct pci_dev *dev)
3041 {
3042 if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL)
3043 return;
3044 if (pmac_agp_bridge->bus != dev->bus)
3045 return;
3046 pmac_agp_resume(pmac_agp_bridge);
3047 }
3048 EXPORT_SYMBOL(pmac_resume_agp_for_card);
3049
3050 int pmac_get_uninorth_variant(void)
3051 {
3052 return uninorth_maj;
3053 }