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Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/gregkh/driver...
[linux-2.6/verdex.git] / arch / ppc / platforms / pmac_feature.c
blob867336ad5d36b284b12d0d682f9fd28b7867a3ac
1 /*
2 * arch/ppc/platforms/pmac_feature.c
3 *
4 * Copyright (C) 1996-2001 Paul Mackerras (paulus@cs.anu.edu.au)
5 * Ben. Herrenschmidt (benh@kernel.crashing.org)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 *
12 * TODO:
13 *
14 * - Replace mdelay with some schedule loop if possible
15 * - Shorten some obfuscated delays on some routines (like modem
16 * power)
17 * - Refcount some clocks (see darwin)
18 * - Split split split...
19 *
20 */
21 #include <linux/config.h>
22 #include <linux/types.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/kernel.h>
26 #include <linux/sched.h>
27 #include <linux/spinlock.h>
28 #include <linux/adb.h>
29 #include <linux/pmu.h>
30 #include <linux/ioport.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 /*
63 * We use a single global lock to protect accesses. Each driver has
64 * to take care of its own locking
65 */
66 static DEFINE_SPINLOCK(feature_lock __pmacdata);
67
68 #define LOCK(flags) spin_lock_irqsave(&feature_lock, flags);
69 #define UNLOCK(flags) spin_unlock_irqrestore(&feature_lock, flags);
70
71
72 /*
73 * Instance of some macio stuffs
74 */
75 struct macio_chip macio_chips[MAX_MACIO_CHIPS] __pmacdata;
76
77 struct macio_chip* __pmac macio_find(struct device_node* child, int type)
78 {
79 while(child) {
80 int i;
81
82 for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++)
83 if (child == macio_chips[i].of_node &&
84 (!type || macio_chips[i].type == type))
85 return &macio_chips[i];
86 child = child->parent;
87 }
88 return NULL;
89 }
90 EXPORT_SYMBOL_GPL(macio_find);
91
92 static const char* macio_names[] __pmacdata =
93 {
94 "Unknown",
95 "Grand Central",
96 "OHare",
97 "OHareII",
98 "Heathrow",
99 "Gatwick",
100 "Paddington",
101 "Keylargo",
102 "Pangea",
103 "Intrepid",
104 "K2"
105 };
106
107
108
109 /*
110 * Uninorth reg. access. Note that Uni-N regs are big endian
111 */
112
113 #define UN_REG(r) (uninorth_base + ((r) >> 2))
114 #define UN_IN(r) (in_be32(UN_REG(r)))
115 #define UN_OUT(r,v) (out_be32(UN_REG(r), (v)))
116 #define UN_BIS(r,v) (UN_OUT((r), UN_IN(r) | (v)))
117 #define UN_BIC(r,v) (UN_OUT((r), UN_IN(r) & ~(v)))
118
119 static struct device_node* uninorth_node __pmacdata;
120 static u32 __iomem * uninorth_base __pmacdata;
121 static u32 uninorth_rev __pmacdata;
122 static int uninorth_u3 __pmacdata;
123 static void __iomem *u3_ht;
124
125 /*
126 * For each motherboard family, we have a table of functions pointers
127 * that handle the various features.
128 */
129
130 typedef long (*feature_call)(struct device_node* node, long param, long value);
131
132 struct feature_table_entry {
133 unsigned int selector;
134 feature_call function;
135 };
136
137 struct pmac_mb_def
138 {
139 const char* model_string;
140 const char* model_name;
141 int model_id;
142 struct feature_table_entry* features;
143 unsigned long board_flags;
144 };
145 static struct pmac_mb_def pmac_mb __pmacdata;
146
147 /*
148 * Here are the chip specific feature functions
149 */
150
151 static inline int __pmac
152 simple_feature_tweak(struct device_node* node, int type, int reg, u32 mask, int value)
153 {
154 struct macio_chip* macio;
155 unsigned long flags;
156
157 macio = macio_find(node, type);
158 if (!macio)
159 return -ENODEV;
160 LOCK(flags);
161 if (value)
162 MACIO_BIS(reg, mask);
163 else
164 MACIO_BIC(reg, mask);
165 (void)MACIO_IN32(reg);
166 UNLOCK(flags);
167
168 return 0;
169 }
170
171 #ifndef CONFIG_POWER4
172
173 static long __pmac
174 ohare_htw_scc_enable(struct device_node* node, long param, long value)
175 {
176 struct macio_chip* macio;
177 unsigned long chan_mask;
178 unsigned long fcr;
179 unsigned long flags;
180 int htw, trans;
181 unsigned long rmask;
182
183 macio = macio_find(node, 0);
184 if (!macio)
185 return -ENODEV;
186 if (!strcmp(node->name, "ch-a"))
187 chan_mask = MACIO_FLAG_SCCA_ON;
188 else if (!strcmp(node->name, "ch-b"))
189 chan_mask = MACIO_FLAG_SCCB_ON;
190 else
191 return -ENODEV;
192
193 htw = (macio->type == macio_heathrow || macio->type == macio_paddington
194 || macio->type == macio_gatwick);
195 /* On these machines, the HRW_SCC_TRANS_EN_N bit mustn't be touched */
196 trans = (pmac_mb.model_id != PMAC_TYPE_YOSEMITE &&
197 pmac_mb.model_id != PMAC_TYPE_YIKES);
198 if (value) {
199 #ifdef CONFIG_ADB_PMU
200 if ((param & 0xfff) == PMAC_SCC_IRDA)
201 pmu_enable_irled(1);
202 #endif /* CONFIG_ADB_PMU */
203 LOCK(flags);
204 fcr = MACIO_IN32(OHARE_FCR);
205 /* Check if scc cell need enabling */
206 if (!(fcr & OH_SCC_ENABLE)) {
207 fcr |= OH_SCC_ENABLE;
208 if (htw) {
209 /* Side effect: this will also power up the
210 * modem, but it's too messy to figure out on which
211 * ports this controls the tranceiver and on which
212 * it controls the modem
213 */
214 if (trans)
215 fcr &= ~HRW_SCC_TRANS_EN_N;
216 MACIO_OUT32(OHARE_FCR, fcr);
217 fcr |= (rmask = HRW_RESET_SCC);
218 MACIO_OUT32(OHARE_FCR, fcr);
219 } else {
220 fcr |= (rmask = OH_SCC_RESET);
221 MACIO_OUT32(OHARE_FCR, fcr);
222 }
223 UNLOCK(flags);
224 (void)MACIO_IN32(OHARE_FCR);
225 mdelay(15);
226 LOCK(flags);
227 fcr &= ~rmask;
228 MACIO_OUT32(OHARE_FCR, fcr);
229 }
230 if (chan_mask & MACIO_FLAG_SCCA_ON)
231 fcr |= OH_SCCA_IO;
232 if (chan_mask & MACIO_FLAG_SCCB_ON)
233 fcr |= OH_SCCB_IO;
234 MACIO_OUT32(OHARE_FCR, fcr);
235 macio->flags |= chan_mask;
236 UNLOCK(flags);
237 if (param & PMAC_SCC_FLAG_XMON)
238 macio->flags |= MACIO_FLAG_SCC_LOCKED;
239 } else {
240 if (macio->flags & MACIO_FLAG_SCC_LOCKED)
241 return -EPERM;
242 LOCK(flags);
243 fcr = MACIO_IN32(OHARE_FCR);
244 if (chan_mask & MACIO_FLAG_SCCA_ON)
245 fcr &= ~OH_SCCA_IO;
246 if (chan_mask & MACIO_FLAG_SCCB_ON)
247 fcr &= ~OH_SCCB_IO;
248 MACIO_OUT32(OHARE_FCR, fcr);
249 if ((fcr & (OH_SCCA_IO | OH_SCCB_IO)) == 0) {
250 fcr &= ~OH_SCC_ENABLE;
251 if (htw && trans)
252 fcr |= HRW_SCC_TRANS_EN_N;
253 MACIO_OUT32(OHARE_FCR, fcr);
254 }
255 macio->flags &= ~(chan_mask);
256 UNLOCK(flags);
257 mdelay(10);
258 #ifdef CONFIG_ADB_PMU
259 if ((param & 0xfff) == PMAC_SCC_IRDA)
260 pmu_enable_irled(0);
261 #endif /* CONFIG_ADB_PMU */
262 }
263 return 0;
264 }
265
266 static long __pmac
267 ohare_floppy_enable(struct device_node* node, long param, long value)
268 {
269 return simple_feature_tweak(node, macio_ohare,
270 OHARE_FCR, OH_FLOPPY_ENABLE, value);
271 }
272
273 static long __pmac
274 ohare_mesh_enable(struct device_node* node, long param, long value)
275 {
276 return simple_feature_tweak(node, macio_ohare,
277 OHARE_FCR, OH_MESH_ENABLE, value);
278 }
279
280 static long __pmac
281 ohare_ide_enable(struct device_node* node, long param, long value)
282 {
283 switch(param) {
284 case 0:
285 /* For some reason, setting the bit in set_initial_features()
286 * doesn't stick. I'm still investigating... --BenH.
287 */
288 if (value)
289 simple_feature_tweak(node, macio_ohare,
290 OHARE_FCR, OH_IOBUS_ENABLE, 1);
291 return simple_feature_tweak(node, macio_ohare,
292 OHARE_FCR, OH_IDE0_ENABLE, value);
293 case 1:
294 return simple_feature_tweak(node, macio_ohare,
295 OHARE_FCR, OH_BAY_IDE_ENABLE, value);
296 default:
297 return -ENODEV;
298 }
299 }
300
301 static long __pmac
302 ohare_ide_reset(struct device_node* node, long param, long value)
303 {
304 switch(param) {
305 case 0:
306 return simple_feature_tweak(node, macio_ohare,
307 OHARE_FCR, OH_IDE0_RESET_N, !value);
308 case 1:
309 return simple_feature_tweak(node, macio_ohare,
310 OHARE_FCR, OH_IDE1_RESET_N, !value);
311 default:
312 return -ENODEV;
313 }
314 }
315
316 static long __pmac
317 ohare_sleep_state(struct device_node* node, long param, long value)
318 {
319 struct macio_chip* macio = &macio_chips[0];
320
321 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
322 return -EPERM;
323 if (value == 1) {
324 MACIO_BIC(OHARE_FCR, OH_IOBUS_ENABLE);
325 } else if (value == 0) {
326 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
327 }
328
329 return 0;
330 }
331
332 static long __pmac
333 heathrow_modem_enable(struct device_node* node, long param, long value)
334 {
335 struct macio_chip* macio;
336 u8 gpio;
337 unsigned long flags;
338
339 macio = macio_find(node, macio_unknown);
340 if (!macio)
341 return -ENODEV;
342 gpio = MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1;
343 if (!value) {
344 LOCK(flags);
345 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio);
346 UNLOCK(flags);
347 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
348 mdelay(250);
349 }
350 if (pmac_mb.model_id != PMAC_TYPE_YOSEMITE &&
351 pmac_mb.model_id != PMAC_TYPE_YIKES) {
352 LOCK(flags);
353 if (value)
354 MACIO_BIC(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
355 else
356 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
357 UNLOCK(flags);
358 (void)MACIO_IN32(HEATHROW_FCR);
359 mdelay(250);
360 }
361 if (value) {
362 LOCK(flags);
363 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
364 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
365 UNLOCK(flags); mdelay(250); LOCK(flags);
366 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio);
367 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
368 UNLOCK(flags); mdelay(250); LOCK(flags);
369 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
370 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
371 UNLOCK(flags); mdelay(250);
372 }
373 return 0;
374 }
375
376 static long __pmac
377 heathrow_floppy_enable(struct device_node* node, long param, long value)
378 {
379 return simple_feature_tweak(node, macio_unknown,
380 HEATHROW_FCR,
381 HRW_SWIM_ENABLE|HRW_BAY_FLOPPY_ENABLE,
382 value);
383 }
384
385 static long __pmac
386 heathrow_mesh_enable(struct device_node* node, long param, long value)
387 {
388 struct macio_chip* macio;
389 unsigned long flags;
390
391 macio = macio_find(node, macio_unknown);
392 if (!macio)
393 return -ENODEV;
394 LOCK(flags);
395 /* Set clear mesh cell enable */
396 if (value)
397 MACIO_BIS(HEATHROW_FCR, HRW_MESH_ENABLE);
398 else
399 MACIO_BIC(HEATHROW_FCR, HRW_MESH_ENABLE);
400 (void)MACIO_IN32(HEATHROW_FCR);
401 udelay(10);
402 /* Set/Clear termination power */
403 if (value)
404 MACIO_BIC(HEATHROW_MBCR, 0x04000000);
405 else
406 MACIO_BIS(HEATHROW_MBCR, 0x04000000);
407 (void)MACIO_IN32(HEATHROW_MBCR);
408 udelay(10);
409 UNLOCK(flags);
410
411 return 0;
412 }
413
414 static long __pmac
415 heathrow_ide_enable(struct device_node* node, long param, long value)
416 {
417 switch(param) {
418 case 0:
419 return simple_feature_tweak(node, macio_unknown,
420 HEATHROW_FCR, HRW_IDE0_ENABLE, value);
421 case 1:
422 return simple_feature_tweak(node, macio_unknown,
423 HEATHROW_FCR, HRW_BAY_IDE_ENABLE, value);
424 default:
425 return -ENODEV;
426 }
427 }
428
429 static long __pmac
430 heathrow_ide_reset(struct device_node* node, long param, long value)
431 {
432 switch(param) {
433 case 0:
434 return simple_feature_tweak(node, macio_unknown,
435 HEATHROW_FCR, HRW_IDE0_RESET_N, !value);
436 case 1:
437 return simple_feature_tweak(node, macio_unknown,
438 HEATHROW_FCR, HRW_IDE1_RESET_N, !value);
439 default:
440 return -ENODEV;
441 }
442 }
443
444 static long __pmac
445 heathrow_bmac_enable(struct device_node* node, long param, long value)
446 {
447 struct macio_chip* macio;
448 unsigned long flags;
449
450 macio = macio_find(node, 0);
451 if (!macio)
452 return -ENODEV;
453 if (value) {
454 LOCK(flags);
455 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_IO_ENABLE);
456 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_RESET);
457 UNLOCK(flags);
458 (void)MACIO_IN32(HEATHROW_FCR);
459 mdelay(10);
460 LOCK(flags);
461 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_RESET);
462 UNLOCK(flags);
463 (void)MACIO_IN32(HEATHROW_FCR);
464 mdelay(10);
465 } else {
466 LOCK(flags);
467 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE);
468 UNLOCK(flags);
469 }
470 return 0;
471 }
472
473 static long __pmac
474 heathrow_sound_enable(struct device_node* node, long param, long value)
475 {
476 struct macio_chip* macio;
477 unsigned long flags;
478
479 /* B&W G3 and Yikes don't support that properly (the
480 * sound appear to never come back after beeing shut down).
481 */
482 if (pmac_mb.model_id == PMAC_TYPE_YOSEMITE ||
483 pmac_mb.model_id == PMAC_TYPE_YIKES)
484 return 0;
485
486 macio = macio_find(node, 0);
487 if (!macio)
488 return -ENODEV;
489 if (value) {
490 LOCK(flags);
491 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
492 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
493 UNLOCK(flags);
494 (void)MACIO_IN32(HEATHROW_FCR);
495 } else {
496 LOCK(flags);
497 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N);
498 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
499 UNLOCK(flags);
500 }
501 return 0;
502 }
503
504 static u32 save_fcr[6] __pmacdata;
505 static u32 save_mbcr __pmacdata;
506 static u32 save_gpio_levels[2] __pmacdata;
507 static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT] __pmacdata;
508 static u8 save_gpio_normal[KEYLARGO_GPIO_CNT] __pmacdata;
509 static u32 save_unin_clock_ctl __pmacdata;
510 static struct dbdma_regs save_dbdma[13] __pmacdata;
511 static struct dbdma_regs save_alt_dbdma[13] __pmacdata;
512
513 static void __pmac
514 dbdma_save(struct macio_chip* macio, struct dbdma_regs* save)
515 {
516 int i;
517
518 /* Save state & config of DBDMA channels */
519 for (i=0; i<13; i++) {
520 volatile struct dbdma_regs __iomem * chan = (void __iomem *)
521 (macio->base + ((0x8000+i*0x100)>>2));
522 save[i].cmdptr_hi = in_le32(&chan->cmdptr_hi);
523 save[i].cmdptr = in_le32(&chan->cmdptr);
524 save[i].intr_sel = in_le32(&chan->intr_sel);
525 save[i].br_sel = in_le32(&chan->br_sel);
526 save[i].wait_sel = in_le32(&chan->wait_sel);
527 }
528 }
529
530 static void __pmac
531 dbdma_restore(struct macio_chip* macio, struct dbdma_regs* save)
532 {
533 int i;
534
535 /* Save state & config of DBDMA channels */
536 for (i=0; i<13; i++) {
537 volatile struct dbdma_regs __iomem * chan = (void __iomem *)
538 (macio->base + ((0x8000+i*0x100)>>2));
539 out_le32(&chan->control, (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16);
540 while (in_le32(&chan->status) & ACTIVE)
541 mb();
542 out_le32(&chan->cmdptr_hi, save[i].cmdptr_hi);
543 out_le32(&chan->cmdptr, save[i].cmdptr);
544 out_le32(&chan->intr_sel, save[i].intr_sel);
545 out_le32(&chan->br_sel, save[i].br_sel);
546 out_le32(&chan->wait_sel, save[i].wait_sel);
547 }
548 }
549
550 static void __pmac
551 heathrow_sleep(struct macio_chip* macio, int secondary)
552 {
553 if (secondary) {
554 dbdma_save(macio, save_alt_dbdma);
555 save_fcr[2] = MACIO_IN32(0x38);
556 save_fcr[3] = MACIO_IN32(0x3c);
557 } else {
558 dbdma_save(macio, save_dbdma);
559 save_fcr[0] = MACIO_IN32(0x38);
560 save_fcr[1] = MACIO_IN32(0x3c);
561 save_mbcr = MACIO_IN32(0x34);
562 /* Make sure sound is shut down */
563 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N);
564 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
565 /* This seems to be necessary as well or the fan
566 * keeps coming up and battery drains fast */
567 MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE);
568 MACIO_BIC(HEATHROW_FCR, HRW_IDE0_RESET_N);
569 /* Make sure eth is down even if module or sleep
570 * won't work properly */
571 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE | HRW_BMAC_RESET);
572 }
573 /* Make sure modem is shut down */
574 MACIO_OUT8(HRW_GPIO_MODEM_RESET,
575 MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1);
576 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N);
577 MACIO_BIC(HEATHROW_FCR, OH_SCCA_IO|OH_SCCB_IO|HRW_SCC_ENABLE);
578
579 /* Let things settle */
580 (void)MACIO_IN32(HEATHROW_FCR);
581 }
582
583 static void __pmac
584 heathrow_wakeup(struct macio_chip* macio, int secondary)
585 {
586 if (secondary) {
587 MACIO_OUT32(0x38, save_fcr[2]);
588 (void)MACIO_IN32(0x38);
589 mdelay(1);
590 MACIO_OUT32(0x3c, save_fcr[3]);
591 (void)MACIO_IN32(0x38);
592 mdelay(10);
593 dbdma_restore(macio, save_alt_dbdma);
594 } else {
595 MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE);
596 (void)MACIO_IN32(0x38);
597 mdelay(1);
598 MACIO_OUT32(0x3c, save_fcr[1]);
599 (void)MACIO_IN32(0x38);
600 mdelay(1);
601 MACIO_OUT32(0x34, save_mbcr);
602 (void)MACIO_IN32(0x38);
603 mdelay(10);
604 dbdma_restore(macio, save_dbdma);
605 }
606 }
607
608 static long __pmac
609 heathrow_sleep_state(struct device_node* node, long param, long value)
610 {
611 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
612 return -EPERM;
613 if (value == 1) {
614 if (macio_chips[1].type == macio_gatwick)
615 heathrow_sleep(&macio_chips[0], 1);
616 heathrow_sleep(&macio_chips[0], 0);
617 } else if (value == 0) {
618 heathrow_wakeup(&macio_chips[0], 0);
619 if (macio_chips[1].type == macio_gatwick)
620 heathrow_wakeup(&macio_chips[0], 1);
621 }
622 return 0;
623 }
624
625 static long __pmac
626 core99_scc_enable(struct device_node* node, long param, long value)
627 {
628 struct macio_chip* macio;
629 unsigned long flags;
630 unsigned long chan_mask;
631 u32 fcr;
632
633 macio = macio_find(node, 0);
634 if (!macio)
635 return -ENODEV;
636 if (!strcmp(node->name, "ch-a"))
637 chan_mask = MACIO_FLAG_SCCA_ON;
638 else if (!strcmp(node->name, "ch-b"))
639 chan_mask = MACIO_FLAG_SCCB_ON;
640 else
641 return -ENODEV;
642
643 if (value) {
644 int need_reset_scc = 0;
645 int need_reset_irda = 0;
646
647 LOCK(flags);
648 fcr = MACIO_IN32(KEYLARGO_FCR0);
649 /* Check if scc cell need enabling */
650 if (!(fcr & KL0_SCC_CELL_ENABLE)) {
651 fcr |= KL0_SCC_CELL_ENABLE;
652 need_reset_scc = 1;
653 }
654 if (chan_mask & MACIO_FLAG_SCCA_ON) {
655 fcr |= KL0_SCCA_ENABLE;
656 /* Don't enable line drivers for I2S modem */
657 if ((param & 0xfff) == PMAC_SCC_I2S1)
658 fcr &= ~KL0_SCC_A_INTF_ENABLE;
659 else
660 fcr |= KL0_SCC_A_INTF_ENABLE;
661 }
662 if (chan_mask & MACIO_FLAG_SCCB_ON) {
663 fcr |= KL0_SCCB_ENABLE;
664 /* Perform irda specific inits */
665 if ((param & 0xfff) == PMAC_SCC_IRDA) {
666 fcr &= ~KL0_SCC_B_INTF_ENABLE;
667 fcr |= KL0_IRDA_ENABLE;
668 fcr |= KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE;
669 fcr |= KL0_IRDA_SOURCE1_SEL;
670 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0);
671 fcr &= ~(KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND);
672 need_reset_irda = 1;
673 } else
674 fcr |= KL0_SCC_B_INTF_ENABLE;
675 }
676 MACIO_OUT32(KEYLARGO_FCR0, fcr);
677 macio->flags |= chan_mask;
678 if (need_reset_scc) {
679 MACIO_BIS(KEYLARGO_FCR0, KL0_SCC_RESET);
680 (void)MACIO_IN32(KEYLARGO_FCR0);
681 UNLOCK(flags);
682 mdelay(15);
683 LOCK(flags);
684 MACIO_BIC(KEYLARGO_FCR0, KL0_SCC_RESET);
685 }
686 if (need_reset_irda) {
687 MACIO_BIS(KEYLARGO_FCR0, KL0_IRDA_RESET);
688 (void)MACIO_IN32(KEYLARGO_FCR0);
689 UNLOCK(flags);
690 mdelay(15);
691 LOCK(flags);
692 MACIO_BIC(KEYLARGO_FCR0, KL0_IRDA_RESET);
693 }
694 UNLOCK(flags);
695 if (param & PMAC_SCC_FLAG_XMON)
696 macio->flags |= MACIO_FLAG_SCC_LOCKED;
697 } else {
698 if (macio->flags & MACIO_FLAG_SCC_LOCKED)
699 return -EPERM;
700 LOCK(flags);
701 fcr = MACIO_IN32(KEYLARGO_FCR0);
702 if (chan_mask & MACIO_FLAG_SCCA_ON)
703 fcr &= ~KL0_SCCA_ENABLE;
704 if (chan_mask & MACIO_FLAG_SCCB_ON) {
705 fcr &= ~KL0_SCCB_ENABLE;
706 /* Perform irda specific clears */
707 if ((param & 0xfff) == PMAC_SCC_IRDA) {
708 fcr &= ~KL0_IRDA_ENABLE;
709 fcr &= ~(KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE);
710 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0);
711 fcr &= ~(KL0_IRDA_SOURCE1_SEL|KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND);
712 }
713 }
714 MACIO_OUT32(KEYLARGO_FCR0, fcr);
715 if ((fcr & (KL0_SCCA_ENABLE | KL0_SCCB_ENABLE)) == 0) {
716 fcr &= ~KL0_SCC_CELL_ENABLE;
717 MACIO_OUT32(KEYLARGO_FCR0, fcr);
718 }
719 macio->flags &= ~(chan_mask);
720 UNLOCK(flags);
721 mdelay(10);
722 }
723 return 0;
724 }
725
726 static long __pmac
727 core99_modem_enable(struct device_node* node, long param, long value)
728 {
729 struct macio_chip* macio;
730 u8 gpio;
731 unsigned long flags;
732
733 /* Hack for internal USB modem */
734 if (node == NULL) {
735 if (macio_chips[0].type != macio_keylargo)
736 return -ENODEV;
737 node = macio_chips[0].of_node;
738 }
739 macio = macio_find(node, 0);
740 if (!macio)
741 return -ENODEV;
742 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET);
743 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE;
744 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA;
745
746 if (!value) {
747 LOCK(flags);
748 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
749 UNLOCK(flags);
750 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
751 mdelay(250);
752 }
753 LOCK(flags);
754 if (value) {
755 MACIO_BIC(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
756 UNLOCK(flags);
757 (void)MACIO_IN32(KEYLARGO_FCR2);
758 mdelay(250);
759 } else {
760 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
761 UNLOCK(flags);
762 }
763 if (value) {
764 LOCK(flags);
765 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
766 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
767 UNLOCK(flags); mdelay(250); LOCK(flags);
768 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
769 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
770 UNLOCK(flags); mdelay(250); LOCK(flags);
771 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
772 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
773 UNLOCK(flags); mdelay(250);
774 }
775 return 0;
776 }
777
778 static long __pmac
779 pangea_modem_enable(struct device_node* node, long param, long value)
780 {
781 struct macio_chip* macio;
782 u8 gpio;
783 unsigned long flags;
784
785 /* Hack for internal USB modem */
786 if (node == NULL) {
787 if (macio_chips[0].type != macio_pangea &&
788 macio_chips[0].type != macio_intrepid)
789 return -ENODEV;
790 node = macio_chips[0].of_node;
791 }
792 macio = macio_find(node, 0);
793 if (!macio)
794 return -ENODEV;
795 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET);
796 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE;
797 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA;
798
799 if (!value) {
800 LOCK(flags);
801 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
802 UNLOCK(flags);
803 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
804 mdelay(250);
805 }
806 LOCK(flags);
807 if (value) {
808 MACIO_OUT8(KL_GPIO_MODEM_POWER,
809 KEYLARGO_GPIO_OUTPUT_ENABLE);
810 UNLOCK(flags);
811 (void)MACIO_IN32(KEYLARGO_FCR2);
812 mdelay(250);
813 } else {
814 MACIO_OUT8(KL_GPIO_MODEM_POWER,
815 KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA);
816 UNLOCK(flags);
817 }
818 if (value) {
819 LOCK(flags);
820 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
821 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
822 UNLOCK(flags); mdelay(250); LOCK(flags);
823 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio);
824 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
825 UNLOCK(flags); mdelay(250); LOCK(flags);
826 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA);
827 (void)MACIO_IN8(KL_GPIO_MODEM_RESET);
828 UNLOCK(flags); mdelay(250);
829 }
830 return 0;
831 }
832
833 static long __pmac
834 core99_ata100_enable(struct device_node* node, long value)
835 {
836 unsigned long flags;
837 struct pci_dev *pdev = NULL;
838 u8 pbus, pid;
839
840 if (uninorth_rev < 0x24)
841 return -ENODEV;
842
843 LOCK(flags);
844 if (value)
845 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100);
846 else
847 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100);
848 (void)UN_IN(UNI_N_CLOCK_CNTL);
849 UNLOCK(flags);
850 udelay(20);
851
852 if (value) {
853 if (pci_device_from_OF_node(node, &pbus, &pid) == 0)
854 pdev = pci_find_slot(pbus, pid);
855 if (pdev == NULL)
856 return 0;
857 pci_enable_device(pdev);
858 pci_set_master(pdev);
859 }
860 return 0;
861 }
862
863 static long __pmac
864 core99_ide_enable(struct device_node* node, long param, long value)
865 {
866 /* Bus ID 0 to 2 are KeyLargo based IDE, busID 3 is U2
867 * based ata-100
868 */
869 switch(param) {
870 case 0:
871 return simple_feature_tweak(node, macio_unknown,
872 KEYLARGO_FCR1, KL1_EIDE0_ENABLE, value);
873 case 1:
874 return simple_feature_tweak(node, macio_unknown,
875 KEYLARGO_FCR1, KL1_EIDE1_ENABLE, value);
876 case 2:
877 return simple_feature_tweak(node, macio_unknown,
878 KEYLARGO_FCR1, KL1_UIDE_ENABLE, value);
879 case 3:
880 return core99_ata100_enable(node, value);
881 default:
882 return -ENODEV;
883 }
884 }
885
886 static long __pmac
887 core99_ide_reset(struct device_node* node, long param, long value)
888 {
889 switch(param) {
890 case 0:
891 return simple_feature_tweak(node, macio_unknown,
892 KEYLARGO_FCR1, KL1_EIDE0_RESET_N, !value);
893 case 1:
894 return simple_feature_tweak(node, macio_unknown,
895 KEYLARGO_FCR1, KL1_EIDE1_RESET_N, !value);
896 case 2:
897 return simple_feature_tweak(node, macio_unknown,
898 KEYLARGO_FCR1, KL1_UIDE_RESET_N, !value);
899 default:
900 return -ENODEV;
901 }
902 }
903
904 static long __pmac
905 core99_gmac_enable(struct device_node* node, long param, long value)
906 {
907 unsigned long flags;
908
909 LOCK(flags);
910 if (value)
911 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC);
912 else
913 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC);
914 (void)UN_IN(UNI_N_CLOCK_CNTL);
915 UNLOCK(flags);
916 udelay(20);
917
918 return 0;
919 }
920
921 static long __pmac
922 core99_gmac_phy_reset(struct device_node* node, long param, long value)
923 {
924 unsigned long flags;
925 struct macio_chip* macio;
926
927 macio = &macio_chips[0];
928 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
929 macio->type != macio_intrepid)
930 return -ENODEV;
931
932 LOCK(flags);
933 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, KEYLARGO_GPIO_OUTPUT_ENABLE);
934 (void)MACIO_IN8(KL_GPIO_ETH_PHY_RESET);
935 UNLOCK(flags);
936 mdelay(10);
937 LOCK(flags);
938 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, /*KEYLARGO_GPIO_OUTPUT_ENABLE | */
939 KEYLARGO_GPIO_OUTOUT_DATA);
940 UNLOCK(flags);
941 mdelay(10);
942
943 return 0;
944 }
945
946 static long __pmac
947 core99_sound_chip_enable(struct device_node* node, long param, long value)
948 {
949 struct macio_chip* macio;
950 unsigned long flags;
951
952 macio = macio_find(node, 0);
953 if (!macio)
954 return -ENODEV;
955
956 /* Do a better probe code, screamer G4 desktops &
957 * iMacs can do that too, add a recalibrate in
958 * the driver as well
959 */
960 if (pmac_mb.model_id == PMAC_TYPE_PISMO ||
961 pmac_mb.model_id == PMAC_TYPE_TITANIUM) {
962 LOCK(flags);
963 if (value)
964 MACIO_OUT8(KL_GPIO_SOUND_POWER,
965 KEYLARGO_GPIO_OUTPUT_ENABLE |
966 KEYLARGO_GPIO_OUTOUT_DATA);
967 else
968 MACIO_OUT8(KL_GPIO_SOUND_POWER,
969 KEYLARGO_GPIO_OUTPUT_ENABLE);
970 (void)MACIO_IN8(KL_GPIO_SOUND_POWER);
971 UNLOCK(flags);
972 }
973 return 0;
974 }
975
976 static long __pmac
977 core99_airport_enable(struct device_node* node, long param, long value)
978 {
979 struct macio_chip* macio;
980 unsigned long flags;
981 int state;
982
983 macio = macio_find(node, 0);
984 if (!macio)
985 return -ENODEV;
986
987 /* Hint: we allow passing of macio itself for the sake of the
988 * sleep code
989 */
990 if (node != macio->of_node &&
991 (!node->parent || node->parent != macio->of_node))
992 return -ENODEV;
993 state = (macio->flags & MACIO_FLAG_AIRPORT_ON) != 0;
994 if (value == state)
995 return 0;
996 if (value) {
997 /* This code is a reproduction of OF enable-cardslot
998 * and init-wireless methods, slightly hacked until
999 * I got it working.
1000 */
1001 LOCK(flags);
1002 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 5);
1003 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf);
1004 UNLOCK(flags);
1005 mdelay(10);
1006 LOCK(flags);
1007 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 4);
1008 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf);
1009 UNLOCK(flags);
1010
1011 mdelay(10);
1012
1013 LOCK(flags);
1014 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16);
1015 (void)MACIO_IN32(KEYLARGO_FCR2);
1016 udelay(10);
1017 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xb, 0);
1018 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xb);
1019 udelay(10);
1020 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xa, 0x28);
1021 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xa);
1022 udelay(10);
1023 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xd, 0x28);
1024 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xd);
1025 udelay(10);
1026 MACIO_OUT8(KEYLARGO_GPIO_0+0xd, 0x28);
1027 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xd);
1028 udelay(10);
1029 MACIO_OUT8(KEYLARGO_GPIO_0+0xe, 0x28);
1030 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xe);
1031 UNLOCK(flags);
1032 udelay(10);
1033 MACIO_OUT32(0x1c000, 0);
1034 mdelay(1);
1035 MACIO_OUT8(0x1a3e0, 0x41);
1036 (void)MACIO_IN8(0x1a3e0);
1037 udelay(10);
1038 LOCK(flags);
1039 MACIO_BIS(KEYLARGO_FCR2, KL2_CARDSEL_16);
1040 (void)MACIO_IN32(KEYLARGO_FCR2);
1041 UNLOCK(flags);
1042 mdelay(100);
1043
1044 macio->flags |= MACIO_FLAG_AIRPORT_ON;
1045 } else {
1046 LOCK(flags);
1047 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16);
1048 (void)MACIO_IN32(KEYLARGO_FCR2);
1049 MACIO_OUT8(KL_GPIO_AIRPORT_0, 0);
1050 MACIO_OUT8(KL_GPIO_AIRPORT_1, 0);
1051 MACIO_OUT8(KL_GPIO_AIRPORT_2, 0);
1052 MACIO_OUT8(KL_GPIO_AIRPORT_3, 0);
1053 MACIO_OUT8(KL_GPIO_AIRPORT_4, 0);
1054 (void)MACIO_IN8(KL_GPIO_AIRPORT_4);
1055 UNLOCK(flags);
1056
1057 macio->flags &= ~MACIO_FLAG_AIRPORT_ON;
1058 }
1059 return 0;
1060 }
1061
1062 #ifdef CONFIG_SMP
1063 static long __pmac
1064 core99_reset_cpu(struct device_node* node, long param, long value)
1065 {
1066 unsigned int reset_io = 0;
1067 unsigned long flags;
1068 struct macio_chip* macio;
1069 struct device_node* np;
1070 const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0,
1071 KL_GPIO_RESET_CPU1,
1072 KL_GPIO_RESET_CPU2,
1073 KL_GPIO_RESET_CPU3 };
1074
1075 macio = &macio_chips[0];
1076 if (macio->type != macio_keylargo)
1077 return -ENODEV;
1078
1079 np = find_path_device("/cpus");
1080 if (np == NULL)
1081 return -ENODEV;
1082 for (np = np->child; np != NULL; np = np->sibling) {
1083 u32* num = (u32 *)get_property(np, "reg", NULL);
1084 u32* rst = (u32 *)get_property(np, "soft-reset", NULL);
1085 if (num == NULL || rst == NULL)
1086 continue;
1087 if (param == *num) {
1088 reset_io = *rst;
1089 break;
1090 }
1091 }
1092 if (np == NULL || reset_io == 0)
1093 reset_io = dflt_reset_lines[param];
1094
1095 LOCK(flags);
1096 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE);
1097 (void)MACIO_IN8(reset_io);
1098 udelay(1);
1099 MACIO_OUT8(reset_io, 0);
1100 (void)MACIO_IN8(reset_io);
1101 UNLOCK(flags);
1102
1103 return 0;
1104 }
1105 #endif /* CONFIG_SMP */
1106
1107 static long __pmac
1108 core99_usb_enable(struct device_node* node, long param, long value)
1109 {
1110 struct macio_chip* macio;
1111 unsigned long flags;
1112 char* prop;
1113 int number;
1114 u32 reg;
1115
1116 macio = &macio_chips[0];
1117 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1118 macio->type != macio_intrepid)
1119 return -ENODEV;
1120
1121 prop = (char *)get_property(node, "AAPL,clock-id", NULL);
1122 if (!prop)
1123 return -ENODEV;
1124 if (strncmp(prop, "usb0u048", 8) == 0)
1125 number = 0;
1126 else if (strncmp(prop, "usb1u148", 8) == 0)
1127 number = 2;
1128 else if (strncmp(prop, "usb2u248", 8) == 0)
1129 number = 4;
1130 else
1131 return -ENODEV;
1132
1133 /* Sorry for the brute-force locking, but this is only used during
1134 * sleep and the timing seem to be critical
1135 */
1136 LOCK(flags);
1137 if (value) {
1138 /* Turn ON */
1139 if (number == 0) {
1140 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1));
1141 (void)MACIO_IN32(KEYLARGO_FCR0);
1142 UNLOCK(flags);
1143 mdelay(1);
1144 LOCK(flags);
1145 MACIO_BIS(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE);
1146 } else if (number == 2) {
1147 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1));
1148 UNLOCK(flags);
1149 (void)MACIO_IN32(KEYLARGO_FCR0);
1150 mdelay(1);
1151 LOCK(flags);
1152 MACIO_BIS(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE);
1153 } else if (number == 4) {
1154 MACIO_BIC(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1));
1155 UNLOCK(flags);
1156 (void)MACIO_IN32(KEYLARGO_FCR1);
1157 mdelay(1);
1158 LOCK(flags);
1159 MACIO_BIS(KEYLARGO_FCR1, KL1_USB2_CELL_ENABLE);
1160 }
1161 if (number < 4) {
1162 reg = MACIO_IN32(KEYLARGO_FCR4);
1163 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) |
1164 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number));
1165 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) |
1166 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1));
1167 MACIO_OUT32(KEYLARGO_FCR4, reg);
1168 (void)MACIO_IN32(KEYLARGO_FCR4);
1169 udelay(10);
1170 } else {
1171 reg = MACIO_IN32(KEYLARGO_FCR3);
1172 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) |
1173 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0));
1174 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) |
1175 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1));
1176 MACIO_OUT32(KEYLARGO_FCR3, reg);
1177 (void)MACIO_IN32(KEYLARGO_FCR3);
1178 udelay(10);
1179 }
1180 if (macio->type == macio_intrepid) {
1181 /* wait for clock stopped bits to clear */
1182 u32 test0 = 0, test1 = 0;
1183 u32 status0, status1;
1184 int timeout = 1000;
1185
1186 UNLOCK(flags);
1187 switch (number) {
1188 case 0:
1189 test0 = UNI_N_CLOCK_STOPPED_USB0;
1190 test1 = UNI_N_CLOCK_STOPPED_USB0PCI;
1191 break;
1192 case 2:
1193 test0 = UNI_N_CLOCK_STOPPED_USB1;
1194 test1 = UNI_N_CLOCK_STOPPED_USB1PCI;
1195 break;
1196 case 4:
1197 test0 = UNI_N_CLOCK_STOPPED_USB2;
1198 test1 = UNI_N_CLOCK_STOPPED_USB2PCI;
1199 break;
1200 }
1201 do {
1202 if (--timeout <= 0) {
1203 printk(KERN_ERR "core99_usb_enable: "
1204 "Timeout waiting for clocks\n");
1205 break;
1206 }
1207 mdelay(1);
1208 status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0);
1209 status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1);
1210 } while ((status0 & test0) | (status1 & test1));
1211 LOCK(flags);
1212 }
1213 } else {
1214 /* Turn OFF */
1215 if (number < 4) {
1216 reg = MACIO_IN32(KEYLARGO_FCR4);
1217 reg |= KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) |
1218 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number);
1219 reg |= KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) |
1220 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1);
1221 MACIO_OUT32(KEYLARGO_FCR4, reg);
1222 (void)MACIO_IN32(KEYLARGO_FCR4);
1223 udelay(1);
1224 } else {
1225 reg = MACIO_IN32(KEYLARGO_FCR3);
1226 reg |= KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) |
1227 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0);
1228 reg |= KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) |
1229 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1);
1230 MACIO_OUT32(KEYLARGO_FCR3, reg);
1231 (void)MACIO_IN32(KEYLARGO_FCR3);
1232 udelay(1);
1233 }
1234 if (number == 0) {
1235 if (macio->type != macio_intrepid)
1236 MACIO_BIC(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE);
1237 (void)MACIO_IN32(KEYLARGO_FCR0);
1238 udelay(1);
1239 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1));
1240 (void)MACIO_IN32(KEYLARGO_FCR0);
1241 } else if (number == 2) {
1242 if (macio->type != macio_intrepid)
1243 MACIO_BIC(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE);
1244 (void)MACIO_IN32(KEYLARGO_FCR0);
1245 udelay(1);
1246 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1));
1247 (void)MACIO_IN32(KEYLARGO_FCR0);
1248 } else if (number == 4) {
1249 udelay(1);
1250 MACIO_BIS(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1));
1251 (void)MACIO_IN32(KEYLARGO_FCR1);
1252 }
1253 udelay(1);
1254 }
1255 UNLOCK(flags);
1256
1257 return 0;
1258 }
1259
1260 static long __pmac
1261 core99_firewire_enable(struct device_node* node, long param, long value)
1262 {
1263 unsigned long flags;
1264 struct macio_chip* macio;
1265
1266 macio = &macio_chips[0];
1267 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1268 macio->type != macio_intrepid)
1269 return -ENODEV;
1270 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED))
1271 return -ENODEV;
1272
1273 LOCK(flags);
1274 if (value) {
1275 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW);
1276 (void)UN_IN(UNI_N_CLOCK_CNTL);
1277 } else {
1278 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW);
1279 (void)UN_IN(UNI_N_CLOCK_CNTL);
1280 }
1281 UNLOCK(flags);
1282 mdelay(1);
1283
1284 return 0;
1285 }
1286
1287 static long __pmac
1288 core99_firewire_cable_power(struct device_node* node, long param, long value)
1289 {
1290 unsigned long flags;
1291 struct macio_chip* macio;
1292
1293 /* Trick: we allow NULL node */
1294 if ((pmac_mb.board_flags & PMAC_MB_HAS_FW_POWER) == 0)
1295 return -ENODEV;
1296 macio = &macio_chips[0];
1297 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1298 macio->type != macio_intrepid)
1299 return -ENODEV;
1300 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED))
1301 return -ENODEV;
1302
1303 LOCK(flags);
1304 if (value) {
1305 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 0);
1306 MACIO_IN8(KL_GPIO_FW_CABLE_POWER);
1307 udelay(10);
1308 } else {
1309 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 4);
1310 MACIO_IN8(KL_GPIO_FW_CABLE_POWER); udelay(10);
1311 }
1312 UNLOCK(flags);
1313 mdelay(1);
1314
1315 return 0;
1316 }
1317
1318 static long __pmac
1319 intrepid_aack_delay_enable(struct device_node* node, long param, long value)
1320 {
1321 unsigned long flags;
1322
1323 if (uninorth_rev < 0xd2)
1324 return -ENODEV;
1325
1326 LOCK(flags);
1327 if (param)
1328 UN_BIS(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE);
1329 else
1330 UN_BIC(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE);
1331 UNLOCK(flags);
1332
1333 return 0;
1334 }
1335
1336
1337 #endif /* CONFIG_POWER4 */
1338
1339 static long __pmac
1340 core99_read_gpio(struct device_node* node, long param, long value)
1341 {
1342 struct macio_chip* macio = &macio_chips[0];
1343
1344 return MACIO_IN8(param);
1345 }
1346
1347
1348 static long __pmac
1349 core99_write_gpio(struct device_node* node, long param, long value)
1350 {
1351 struct macio_chip* macio = &macio_chips[0];
1352
1353 MACIO_OUT8(param, (u8)(value & 0xff));
1354 return 0;
1355 }
1356
1357 #ifdef CONFIG_POWER4
1358
1359 static long __pmac
1360 g5_gmac_enable(struct device_node* node, long param, long value)
1361 {
1362 struct macio_chip* macio = &macio_chips[0];
1363 unsigned long flags;
1364 u8 pbus, pid;
1365
1366 LOCK(flags);
1367 if (value) {
1368 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE);
1369 mb();
1370 k2_skiplist[0] = NULL;
1371 } else {
1372 k2_skiplist[0] = node;
1373 mb();
1374 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE);
1375 }
1376
1377 UNLOCK(flags);
1378 mdelay(1);
1379
1380 return 0;
1381 }
1382
1383 static long __pmac
1384 g5_fw_enable(struct device_node* node, long param, long value)
1385 {
1386 struct macio_chip* macio = &macio_chips[0];
1387 unsigned long flags;
1388
1389 LOCK(flags);
1390 if (value) {
1391 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE);
1392 mb();
1393 k2_skiplist[1] = NULL;
1394 } else {
1395 k2_skiplist[1] = node;
1396 mb();
1397 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE);
1398 }
1399
1400 UNLOCK(flags);
1401 mdelay(1);
1402
1403 return 0;
1404 }
1405
1406 static long __pmac
1407 g5_mpic_enable(struct device_node* node, long param, long value)
1408 {
1409 unsigned long flags;
1410
1411 if (node->parent == NULL || strcmp(node->parent->name, "u3"))
1412 return 0;
1413
1414 LOCK(flags);
1415 UN_BIS(U3_TOGGLE_REG, U3_MPIC_RESET | U3_MPIC_OUTPUT_ENABLE);
1416 UNLOCK(flags);
1417
1418 return 0;
1419 }
1420
1421 #ifdef CONFIG_SMP
1422 static long __pmac
1423 g5_reset_cpu(struct device_node* node, long param, long value)
1424 {
1425 unsigned int reset_io = 0;
1426 unsigned long flags;
1427 struct macio_chip* macio;
1428 struct device_node* np;
1429
1430 macio = &macio_chips[0];
1431 if (macio->type != macio_keylargo2)
1432 return -ENODEV;
1433
1434 np = find_path_device("/cpus");
1435 if (np == NULL)
1436 return -ENODEV;
1437 for (np = np->child; np != NULL; np = np->sibling) {
1438 u32* num = (u32 *)get_property(np, "reg", NULL);
1439 u32* rst = (u32 *)get_property(np, "soft-reset", NULL);
1440 if (num == NULL || rst == NULL)
1441 continue;
1442 if (param == *num) {
1443 reset_io = *rst;
1444 break;
1445 }
1446 }
1447 if (np == NULL || reset_io == 0)
1448 return -ENODEV;
1449
1450 LOCK(flags);
1451 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE);
1452 (void)MACIO_IN8(reset_io);
1453 udelay(1);
1454 MACIO_OUT8(reset_io, 0);
1455 (void)MACIO_IN8(reset_io);
1456 UNLOCK(flags);
1457
1458 return 0;
1459 }
1460 #endif /* CONFIG_SMP */
1461
1462 /*
1463 * This can be called from pmac_smp so isn't static
1464 *
1465 * This takes the second CPU off the bus on dual CPU machines
1466 * running UP
1467 */
1468 void __pmac g5_phy_disable_cpu1(void)
1469 {
1470 UN_OUT(U3_API_PHY_CONFIG_1, 0);
1471 }
1472
1473 #endif /* CONFIG_POWER4 */
1474
1475 #ifndef CONFIG_POWER4
1476
1477 static void __pmac
1478 keylargo_shutdown(struct macio_chip* macio, int sleep_mode)
1479 {
1480 u32 temp;
1481
1482 if (sleep_mode) {
1483 mdelay(1);
1484 MACIO_BIS(KEYLARGO_FCR0, KL0_USB_REF_SUSPEND);
1485 (void)MACIO_IN32(KEYLARGO_FCR0);
1486 mdelay(1);
1487 }
1488
1489 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1490 KL0_SCC_CELL_ENABLE |
1491 KL0_IRDA_ENABLE | KL0_IRDA_CLK32_ENABLE |
1492 KL0_IRDA_CLK19_ENABLE);
1493
1494 MACIO_BIC(KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK);
1495 MACIO_BIS(KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE);
1496
1497 MACIO_BIC(KEYLARGO_FCR1,
1498 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT |
1499 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE |
1500 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1501 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1502 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE |
1503 KL1_EIDE0_ENABLE | KL1_EIDE0_RESET_N |
1504 KL1_EIDE1_ENABLE | KL1_EIDE1_RESET_N |
1505 KL1_UIDE_ENABLE);
1506
1507 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
1508 MACIO_BIC(KEYLARGO_FCR2, KL2_IOBUS_ENABLE);
1509
1510 temp = MACIO_IN32(KEYLARGO_FCR3);
1511 if (macio->rev >= 2) {
1512 temp |= KL3_SHUTDOWN_PLL2X;
1513 if (sleep_mode)
1514 temp |= KL3_SHUTDOWN_PLL_TOTAL;
1515 }
1516
1517 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 |
1518 KL3_SHUTDOWN_PLLKW35;
1519 if (sleep_mode)
1520 temp |= KL3_SHUTDOWN_PLLKW12;
1521 temp &= ~(KL3_CLK66_ENABLE | KL3_CLK49_ENABLE | KL3_CLK45_ENABLE
1522 | KL3_CLK31_ENABLE | KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE);
1523 if (sleep_mode)
1524 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_VIA_CLK16_ENABLE);
1525 MACIO_OUT32(KEYLARGO_FCR3, temp);
1526
1527 /* Flush posted writes & wait a bit */
1528 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1);
1529 }
1530
1531 static void __pmac
1532 pangea_shutdown(struct macio_chip* macio, int sleep_mode)
1533 {
1534 u32 temp;
1535
1536 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1537 KL0_SCC_CELL_ENABLE |
1538 KL0_USB0_CELL_ENABLE | KL0_USB1_CELL_ENABLE);
1539
1540 MACIO_BIC(KEYLARGO_FCR1,
1541 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT |
1542 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE |
1543 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1544 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1545 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE |
1546 KL1_UIDE_ENABLE);
1547 if (pmac_mb.board_flags & PMAC_MB_MOBILE)
1548 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N);
1549
1550 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT);
1551
1552 temp = MACIO_IN32(KEYLARGO_FCR3);
1553 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 |
1554 KL3_SHUTDOWN_PLLKW35;
1555 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | KL3_CLK31_ENABLE
1556 | KL3_I2S0_CLK18_ENABLE | KL3_I2S1_CLK18_ENABLE);
1557 if (sleep_mode)
1558 temp &= ~(KL3_VIA_CLK16_ENABLE | KL3_TIMER_CLK18_ENABLE);
1559 MACIO_OUT32(KEYLARGO_FCR3, temp);
1560
1561 /* Flush posted writes & wait a bit */
1562 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1);
1563 }
1564
1565 static void __pmac
1566 intrepid_shutdown(struct macio_chip* macio, int sleep_mode)
1567 {
1568 u32 temp;
1569
1570 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE |
1571 KL0_SCC_CELL_ENABLE);
1572
1573 MACIO_BIC(KEYLARGO_FCR1,
1574 /*KL1_USB2_CELL_ENABLE |*/
1575 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT |
1576 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE |
1577 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE);
1578 if (pmac_mb.board_flags & PMAC_MB_MOBILE)
1579 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N);
1580
1581 temp = MACIO_IN32(KEYLARGO_FCR3);
1582 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE |
1583 KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE);
1584 if (sleep_mode)
1585 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_IT_VIA_CLK32_ENABLE);
1586 MACIO_OUT32(KEYLARGO_FCR3, temp);
1587
1588 /* Flush posted writes & wait a bit */
1589 (void)MACIO_IN32(KEYLARGO_FCR0);
1590 mdelay(10);
1591 }
1592
1593
1594 void __pmac pmac_tweak_clock_spreading(int enable)
1595 {
1596 struct macio_chip* macio = &macio_chips[0];
1597
1598 /* Hack for doing clock spreading on some machines PowerBooks and
1599 * iBooks. This implements the "platform-do-clockspreading" OF
1600 * property as decoded manually on various models. For safety, we also
1601 * check the product ID in the device-tree in cases we'll whack the i2c
1602 * chip to make reasonably sure we won't set wrong values in there
1603 *
1604 * Of course, ultimately, we have to implement a real parser for
1605 * the platform-do-* stuff...
1606 */
1607
1608 if (macio->type == macio_intrepid) {
1609 if (enable)
1610 UN_OUT(UNI_N_CLOCK_SPREADING, 2);
1611 else
1612 UN_OUT(UNI_N_CLOCK_SPREADING, 0);
1613 mdelay(40);
1614 }
1615
1616 while (machine_is_compatible("PowerBook5,2") ||
1617 machine_is_compatible("PowerBook5,3") ||
1618 machine_is_compatible("PowerBook6,2") ||
1619 machine_is_compatible("PowerBook6,3")) {
1620 struct device_node *ui2c = of_find_node_by_type(NULL, "i2c");
1621 struct device_node *dt = of_find_node_by_name(NULL, "device-tree");
1622 u8 buffer[9];
1623 u32 *productID;
1624 int i, rc, changed = 0;
1625
1626 if (dt == NULL)
1627 break;
1628 productID = (u32 *)get_property(dt, "pid#", NULL);
1629 if (productID == NULL)
1630 break;
1631 while(ui2c) {
1632 struct device_node *p = of_get_parent(ui2c);
1633 if (p && !strcmp(p->name, "uni-n"))
1634 break;
1635 ui2c = of_find_node_by_type(ui2c, "i2c");
1636 }
1637 if (ui2c == NULL)
1638 break;
1639 DBG("Trying to bump clock speed for PID: %08x...\n", *productID);
1640 rc = pmac_low_i2c_open(ui2c, 1);
1641 if (rc != 0)
1642 break;
1643 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined);
1644 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9);
1645 DBG("read result: %d,", rc);
1646 if (rc != 0) {
1647 pmac_low_i2c_close(ui2c);
1648 break;
1649 }
1650 for (i=0; i<9; i++)
1651 DBG(" %02x", buffer[i]);
1652 DBG("\n");
1653
1654 switch(*productID) {
1655 case 0x1182: /* AlBook 12" rev 2 */
1656 case 0x1183: /* iBook G4 12" */
1657 buffer[0] = (buffer[0] & 0x8f) | 0x70;
1658 buffer[2] = (buffer[2] & 0x7f) | 0x00;
1659 buffer[5] = (buffer[5] & 0x80) | 0x31;
1660 buffer[6] = (buffer[6] & 0x40) | 0xb0;
1661 buffer[7] = (buffer[7] & 0x00) | (enable ? 0xc0 : 0xba);
1662 buffer[8] = (buffer[8] & 0x00) | 0x30;
1663 changed = 1;
1664 break;
1665 case 0x3142: /* AlBook 15" (ATI M10) */
1666 case 0x3143: /* AlBook 17" (ATI M10) */
1667 buffer[0] = (buffer[0] & 0xaf) | 0x50;
1668 buffer[2] = (buffer[2] & 0x7f) | 0x00;
1669 buffer[5] = (buffer[5] & 0x80) | 0x31;
1670 buffer[6] = (buffer[6] & 0x40) | 0xb0;
1671 buffer[7] = (buffer[7] & 0x00) | (enable ? 0xd0 : 0xc0);
1672 buffer[8] = (buffer[8] & 0x00) | 0x30;
1673 changed = 1;
1674 break;
1675 default:
1676 DBG("i2c-hwclock: Machine model not handled\n");
1677 break;
1678 }
1679 if (!changed) {
1680 pmac_low_i2c_close(ui2c);
1681 break;
1682 }
1683 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
1684 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
1685 DBG("write result: %d,", rc);
1686 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined);
1687 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9);
1688 DBG("read result: %d,", rc);
1689 if (rc != 0) {
1690 pmac_low_i2c_close(ui2c);
1691 break;
1692 }
1693 for (i=0; i<9; i++)
1694 DBG(" %02x", buffer[i]);
1695 pmac_low_i2c_close(ui2c);
1696 break;
1697 }
1698 }
1699
1700
1701 static int __pmac
1702 core99_sleep(void)
1703 {
1704 struct macio_chip* macio;
1705 int i;
1706
1707 macio = &macio_chips[0];
1708 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1709 macio->type != macio_intrepid)
1710 return -ENODEV;
1711
1712 /* We power off the wireless slot in case it was not done
1713 * by the driver. We don't power it on automatically however
1714 */
1715 if (macio->flags & MACIO_FLAG_AIRPORT_ON)
1716 core99_airport_enable(macio->of_node, 0, 0);
1717
1718 /* We power off the FW cable. Should be done by the driver... */
1719 if (macio->flags & MACIO_FLAG_FW_SUPPORTED) {
1720 core99_firewire_enable(NULL, 0, 0);
1721 core99_firewire_cable_power(NULL, 0, 0);
1722 }
1723
1724 /* We make sure int. modem is off (in case driver lost it) */
1725 if (macio->type == macio_keylargo)
1726 core99_modem_enable(macio->of_node, 0, 0);
1727 else
1728 pangea_modem_enable(macio->of_node, 0, 0);
1729
1730 /* We make sure the sound is off as well */
1731 core99_sound_chip_enable(macio->of_node, 0, 0);
1732
1733 /*
1734 * Save various bits of KeyLargo
1735 */
1736
1737 /* Save the state of the various GPIOs */
1738 save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0);
1739 save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1);
1740 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1741 save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i);
1742 for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1743 save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i);
1744
1745 /* Save the FCRs */
1746 if (macio->type == macio_keylargo)
1747 save_mbcr = MACIO_IN32(KEYLARGO_MBCR);
1748 save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0);
1749 save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1);
1750 save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2);
1751 save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3);
1752 save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4);
1753 if (macio->type == macio_pangea || macio->type == macio_intrepid)
1754 save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5);
1755
1756 /* Save state & config of DBDMA channels */
1757 dbdma_save(macio, save_dbdma);
1758
1759 /*
1760 * Turn off as much as we can
1761 */
1762 if (macio->type == macio_pangea)
1763 pangea_shutdown(macio, 1);
1764 else if (macio->type == macio_intrepid)
1765 intrepid_shutdown(macio, 1);
1766 else if (macio->type == macio_keylargo)
1767 keylargo_shutdown(macio, 1);
1768
1769 /*
1770 * Put the host bridge to sleep
1771 */
1772
1773 save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL);
1774 /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it
1775 * enabled !
1776 */
1777 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl &
1778 ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/));
1779 udelay(100);
1780 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1781 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP);
1782 mdelay(10);
1783
1784 /*
1785 * FIXME: A bit of black magic with OpenPIC (don't ask me why)
1786 */
1787 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1788 MACIO_BIS(0x506e0, 0x00400000);
1789 MACIO_BIS(0x506e0, 0x80000000);
1790 }
1791 return 0;
1792 }
1793
1794 static int __pmac
1795 core99_wake_up(void)
1796 {
1797 struct macio_chip* macio;
1798 int i;
1799
1800 macio = &macio_chips[0];
1801 if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1802 macio->type != macio_intrepid)
1803 return -ENODEV;
1804
1805 /*
1806 * Wakeup the host bridge
1807 */
1808 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1809 udelay(10);
1810 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1811 udelay(10);
1812
1813 /*
1814 * Restore KeyLargo
1815 */
1816
1817 if (macio->type == macio_keylargo) {
1818 MACIO_OUT32(KEYLARGO_MBCR, save_mbcr);
1819 (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10);
1820 }
1821 MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]);
1822 (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10);
1823 MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]);
1824 (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10);
1825 MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]);
1826 (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10);
1827 MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]);
1828 (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10);
1829 MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]);
1830 (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10);
1831 if (macio->type == macio_pangea || macio->type == macio_intrepid) {
1832 MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]);
1833 (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10);
1834 }
1835
1836 dbdma_restore(macio, save_dbdma);
1837
1838 MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]);
1839 MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]);
1840 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1841 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]);
1842 for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1843 MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]);
1844
1845 /* FIXME more black magic with OpenPIC ... */
1846 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1847 MACIO_BIC(0x506e0, 0x00400000);
1848 MACIO_BIC(0x506e0, 0x80000000);
1849 }
1850
1851 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl);
1852 udelay(100);
1853
1854 return 0;
1855 }
1856
1857 static long __pmac
1858 core99_sleep_state(struct device_node* node, long param, long value)
1859 {
1860 /* Param == 1 means to enter the "fake sleep" mode that is
1861 * used for CPU speed switch
1862 */
1863 if (param == 1) {
1864 if (value == 1) {
1865 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1866 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2);
1867 } else {
1868 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1869 udelay(10);
1870 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1871 udelay(10);
1872 }
1873 return 0;
1874 }
1875 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
1876 return -EPERM;
1877
1878 if (value == 1)
1879 return core99_sleep();
1880 else if (value == 0)
1881 return core99_wake_up();
1882 return 0;
1883 }
1884
1885 #endif /* CONFIG_POWER4 */
1886
1887 static long __pmac
1888 generic_dev_can_wake(struct device_node* node, long param, long value)
1889 {
1890 /* Todo: eventually check we are really dealing with on-board
1891 * video device ...
1892 */
1893
1894 if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP)
1895 pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP;
1896 return 0;
1897 }
1898
1899 static long __pmac
1900 generic_get_mb_info(struct device_node* node, long param, long value)
1901 {
1902 switch(param) {
1903 case PMAC_MB_INFO_MODEL:
1904 return pmac_mb.model_id;
1905 case PMAC_MB_INFO_FLAGS:
1906 return pmac_mb.board_flags;
1907 case PMAC_MB_INFO_NAME:
1908 /* hack hack hack... but should work */
1909 *((const char **)value) = pmac_mb.model_name;
1910 return 0;
1911 }
1912 return -EINVAL;
1913 }
1914
1915
1916 /*
1917 * Table definitions
1918 */
1919
1920 /* Used on any machine
1921 */
1922 static struct feature_table_entry any_features[] __pmacdata = {
1923 { PMAC_FTR_GET_MB_INFO, generic_get_mb_info },
1924 { PMAC_FTR_DEVICE_CAN_WAKE, generic_dev_can_wake },
1925 { 0, NULL }
1926 };
1927
1928 #ifndef CONFIG_POWER4
1929
1930 /* OHare based motherboards. Currently, we only use these on the
1931 * 2400,3400 and 3500 series powerbooks. Some older desktops seem
1932 * to have issues with turning on/off those asic cells
1933 */
1934 static struct feature_table_entry ohare_features[] __pmacdata = {
1935 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1936 { PMAC_FTR_SWIM3_ENABLE, ohare_floppy_enable },
1937 { PMAC_FTR_MESH_ENABLE, ohare_mesh_enable },
1938 { PMAC_FTR_IDE_ENABLE, ohare_ide_enable},
1939 { PMAC_FTR_IDE_RESET, ohare_ide_reset},
1940 { PMAC_FTR_SLEEP_STATE, ohare_sleep_state },
1941 { 0, NULL }
1942 };
1943
1944 /* Heathrow desktop machines (Beige G3).
1945 * Separated as some features couldn't be properly tested
1946 * and the serial port control bits appear to confuse it.
1947 */
1948 static struct feature_table_entry heathrow_desktop_features[] __pmacdata = {
1949 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1950 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1951 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1952 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1953 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1954 { 0, NULL }
1955 };
1956
1957 /* Heathrow based laptop, that is the Wallstreet and mainstreet
1958 * powerbooks.
1959 */
1960 static struct feature_table_entry heathrow_laptop_features[] __pmacdata = {
1961 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1962 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable },
1963 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1964 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1965 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1966 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1967 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1968 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable },
1969 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state },
1970 { 0, NULL }
1971 };
1972
1973 /* Paddington based machines
1974 * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4.
1975 */
1976 static struct feature_table_entry paddington_features[] __pmacdata = {
1977 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable },
1978 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable },
1979 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable },
1980 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable },
1981 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable },
1982 { PMAC_FTR_IDE_RESET, heathrow_ide_reset },
1983 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable },
1984 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable },
1985 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state },
1986 { 0, NULL }
1987 };
1988
1989 /* Core99 & MacRISC 2 machines (all machines released since the
1990 * iBook (included), that is all AGP machines, except pangea
1991 * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo
1992 * used on iBook2 & iMac "flow power".
1993 */
1994 static struct feature_table_entry core99_features[] __pmacdata = {
1995 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
1996 { PMAC_FTR_MODEM_ENABLE, core99_modem_enable },
1997 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
1998 { PMAC_FTR_IDE_RESET, core99_ide_reset },
1999 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2000 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2001 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
2002 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
2003 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2004 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2005 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2006 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2007 #ifdef CONFIG_SMP
2008 { PMAC_FTR_RESET_CPU, core99_reset_cpu },
2009 #endif /* CONFIG_SMP */
2010 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2011 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2012 { 0, NULL }
2013 };
2014
2015 /* RackMac
2016 */
2017 static struct feature_table_entry rackmac_features[] __pmacdata = {
2018 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2019 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2020 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2021 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2022 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2023 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2024 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2025 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2026 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2027 #ifdef CONFIG_SMP
2028 { PMAC_FTR_RESET_CPU, core99_reset_cpu },
2029 #endif /* CONFIG_SMP */
2030 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2031 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2032 { 0, NULL }
2033 };
2034
2035 /* Pangea features
2036 */
2037 static struct feature_table_entry pangea_features[] __pmacdata = {
2038 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2039 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable },
2040 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2041 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2042 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2043 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2044 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
2045 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
2046 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2047 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2048 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2049 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2050 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2051 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2052 { 0, NULL }
2053 };
2054
2055 /* Intrepid features
2056 */
2057 static struct feature_table_entry intrepid_features[] __pmacdata = {
2058 { PMAC_FTR_SCC_ENABLE, core99_scc_enable },
2059 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable },
2060 { PMAC_FTR_IDE_ENABLE, core99_ide_enable },
2061 { PMAC_FTR_IDE_RESET, core99_ide_reset },
2062 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable },
2063 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset },
2064 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable },
2065 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable },
2066 { PMAC_FTR_USB_ENABLE, core99_usb_enable },
2067 { PMAC_FTR_1394_ENABLE, core99_firewire_enable },
2068 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power },
2069 { PMAC_FTR_SLEEP_STATE, core99_sleep_state },
2070 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2071 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2072 { PMAC_FTR_AACK_DELAY_ENABLE, intrepid_aack_delay_enable },
2073 { 0, NULL }
2074 };
2075
2076 #else /* CONFIG_POWER4 */
2077
2078 /* G5 features
2079 */
2080 static struct feature_table_entry g5_features[] __pmacdata = {
2081 { PMAC_FTR_GMAC_ENABLE, g5_gmac_enable },
2082 { PMAC_FTR_1394_ENABLE, g5_fw_enable },
2083 { PMAC_FTR_ENABLE_MPIC, g5_mpic_enable },
2084 #ifdef CONFIG_SMP
2085 { PMAC_FTR_RESET_CPU, g5_reset_cpu },
2086 #endif /* CONFIG_SMP */
2087 { PMAC_FTR_READ_GPIO, core99_read_gpio },
2088 { PMAC_FTR_WRITE_GPIO, core99_write_gpio },
2089 { 0, NULL }
2090 };
2091
2092 #endif /* CONFIG_POWER4 */
2093
2094 static struct pmac_mb_def pmac_mb_defs[] __pmacdata = {
2095 #ifndef CONFIG_POWER4
2096 /*
2097 * Desktops
2098 */
2099
2100 { "AAPL,8500", "PowerMac 8500/8600",
2101 PMAC_TYPE_PSURGE, NULL,
2102 0
2103 },
2104 { "AAPL,9500", "PowerMac 9500/9600",
2105 PMAC_TYPE_PSURGE, NULL,
2106 0
2107 },
2108 { "AAPL,7200", "PowerMac 7200",
2109 PMAC_TYPE_PSURGE, NULL,
2110 0
2111 },
2112 { "AAPL,7300", "PowerMac 7200/7300",
2113 PMAC_TYPE_PSURGE, NULL,
2114 0
2115 },
2116 { "AAPL,7500", "PowerMac 7500",
2117 PMAC_TYPE_PSURGE, NULL,
2118 0
2119 },
2120 { "AAPL,ShinerESB", "Apple Network Server",
2121 PMAC_TYPE_ANS, NULL,
2122 0
2123 },
2124 { "AAPL,e407", "Alchemy",
2125 PMAC_TYPE_ALCHEMY, NULL,
2126 0
2127 },
2128 { "AAPL,e411", "Gazelle",
2129 PMAC_TYPE_GAZELLE, NULL,
2130 0
2131 },
2132 { "AAPL,Gossamer", "PowerMac G3 (Gossamer)",
2133 PMAC_TYPE_GOSSAMER, heathrow_desktop_features,
2134 0
2135 },
2136 { "AAPL,PowerMac G3", "PowerMac G3 (Silk)",
2137 PMAC_TYPE_SILK, heathrow_desktop_features,
2138 0
2139 },
2140 { "PowerMac1,1", "Blue&White G3",
2141 PMAC_TYPE_YOSEMITE, paddington_features,
2142 0
2143 },
2144 { "PowerMac1,2", "PowerMac G4 PCI Graphics",
2145 PMAC_TYPE_YIKES, paddington_features,
2146 0
2147 },
2148 { "PowerMac2,1", "iMac FireWire",
2149 PMAC_TYPE_FW_IMAC, core99_features,
2150 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2151 },
2152 { "PowerMac2,2", "iMac FireWire",
2153 PMAC_TYPE_FW_IMAC, core99_features,
2154 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2155 },
2156 { "PowerMac3,1", "PowerMac G4 AGP Graphics",
2157 PMAC_TYPE_SAWTOOTH, core99_features,
2158 PMAC_MB_OLD_CORE99
2159 },
2160 { "PowerMac3,2", "PowerMac G4 AGP Graphics",
2161 PMAC_TYPE_SAWTOOTH, core99_features,
2162 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2163 },
2164 { "PowerMac3,3", "PowerMac G4 AGP Graphics",
2165 PMAC_TYPE_SAWTOOTH, core99_features,
2166 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2167 },
2168 { "PowerMac3,4", "PowerMac G4 Silver",
2169 PMAC_TYPE_QUICKSILVER, core99_features,
2170 PMAC_MB_MAY_SLEEP
2171 },
2172 { "PowerMac3,5", "PowerMac G4 Silver",
2173 PMAC_TYPE_QUICKSILVER, core99_features,
2174 PMAC_MB_MAY_SLEEP
2175 },
2176 { "PowerMac3,6", "PowerMac G4 Windtunnel",
2177 PMAC_TYPE_WINDTUNNEL, core99_features,
2178 PMAC_MB_MAY_SLEEP,
2179 },
2180 { "PowerMac4,1", "iMac \"Flower Power\"",
2181 PMAC_TYPE_PANGEA_IMAC, pangea_features,
2182 PMAC_MB_MAY_SLEEP
2183 },
2184 { "PowerMac4,2", "Flat panel iMac",
2185 PMAC_TYPE_FLAT_PANEL_IMAC, pangea_features,
2186 PMAC_MB_CAN_SLEEP
2187 },
2188 { "PowerMac4,4", "eMac",
2189 PMAC_TYPE_EMAC, core99_features,
2190 PMAC_MB_MAY_SLEEP
2191 },
2192 { "PowerMac5,1", "PowerMac G4 Cube",
2193 PMAC_TYPE_CUBE, core99_features,
2194 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2195 },
2196 { "PowerMac6,1", "Flat panel iMac",
2197 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2198 PMAC_MB_MAY_SLEEP,
2199 },
2200 { "PowerMac6,3", "Flat panel iMac",
2201 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2202 PMAC_MB_MAY_SLEEP,
2203 },
2204 { "PowerMac6,4", "eMac",
2205 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2206 PMAC_MB_MAY_SLEEP,
2207 },
2208 { "PowerMac10,1", "Mac mini",
2209 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2210 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER,
2211 },
2212 { "iMac,1", "iMac (first generation)",
2213 PMAC_TYPE_ORIG_IMAC, paddington_features,
2214 0
2215 },
2216
2217 /*
2218 * Xserve's
2219 */
2220
2221 { "RackMac1,1", "XServe",
2222 PMAC_TYPE_RACKMAC, rackmac_features,
2223 0,
2224 },
2225 { "RackMac1,2", "XServe rev. 2",
2226 PMAC_TYPE_RACKMAC, rackmac_features,
2227 0,
2228 },
2229
2230 /*
2231 * Laptops
2232 */
2233
2234 { "AAPL,3400/2400", "PowerBook 3400",
2235 PMAC_TYPE_HOOPER, ohare_features,
2236 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2237 },
2238 { "AAPL,3500", "PowerBook 3500",
2239 PMAC_TYPE_KANGA, ohare_features,
2240 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2241 },
2242 { "AAPL,PowerBook1998", "PowerBook Wallstreet",
2243 PMAC_TYPE_WALLSTREET, heathrow_laptop_features,
2244 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2245 },
2246 { "PowerBook1,1", "PowerBook 101 (Lombard)",
2247 PMAC_TYPE_101_PBOOK, paddington_features,
2248 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2249 },
2250 { "PowerBook2,1", "iBook (first generation)",
2251 PMAC_TYPE_ORIG_IBOOK, core99_features,
2252 PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2253 },
2254 { "PowerBook2,2", "iBook FireWire",
2255 PMAC_TYPE_FW_IBOOK, core99_features,
2256 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2257 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2258 },
2259 { "PowerBook3,1", "PowerBook Pismo",
2260 PMAC_TYPE_PISMO, core99_features,
2261 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2262 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2263 },
2264 { "PowerBook3,2", "PowerBook Titanium",
2265 PMAC_TYPE_TITANIUM, core99_features,
2266 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2267 },
2268 { "PowerBook3,3", "PowerBook Titanium II",
2269 PMAC_TYPE_TITANIUM2, core99_features,
2270 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2271 },
2272 { "PowerBook3,4", "PowerBook Titanium III",
2273 PMAC_TYPE_TITANIUM3, core99_features,
2274 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2275 },
2276 { "PowerBook3,5", "PowerBook Titanium IV",
2277 PMAC_TYPE_TITANIUM4, core99_features,
2278 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2279 },
2280 { "PowerBook4,1", "iBook 2",
2281 PMAC_TYPE_IBOOK2, pangea_features,
2282 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2283 },
2284 { "PowerBook4,2", "iBook 2",
2285 PMAC_TYPE_IBOOK2, pangea_features,
2286 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2287 },
2288 { "PowerBook4,3", "iBook 2 rev. 2",
2289 PMAC_TYPE_IBOOK2, pangea_features,
2290 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2291 },
2292 { "PowerBook5,1", "PowerBook G4 17\"",
2293 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2294 PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2295 },
2296 { "PowerBook5,2", "PowerBook G4 15\"",
2297 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2298 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2299 },
2300 { "PowerBook5,3", "PowerBook G4 17\"",
2301 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2302 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2303 },
2304 { "PowerBook5,4", "PowerBook G4 15\"",
2305 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2306 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2307 },
2308 { "PowerBook5,5", "PowerBook G4 17\"",
2309 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2310 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2311 },
2312 { "PowerBook5,6", "PowerBook G4 15\"",
2313 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2314 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2315 },
2316 { "PowerBook5,7", "PowerBook G4 17\"",
2317 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2318 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2319 },
2320 { "PowerBook6,1", "PowerBook G4 12\"",
2321 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2322 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2323 },
2324 { "PowerBook6,2", "PowerBook G4",
2325 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2326 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2327 },
2328 { "PowerBook6,3", "iBook G4",
2329 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2330 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2331 },
2332 { "PowerBook6,4", "PowerBook G4 12\"",
2333 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2334 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2335 },
2336 { "PowerBook6,5", "iBook G4",
2337 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2338 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2339 },
2340 { "PowerBook6,8", "PowerBook G4 12\"",
2341 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
2342 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2343 },
2344 #else /* CONFIG_POWER4 */
2345 { "PowerMac7,2", "PowerMac G5",
2346 PMAC_TYPE_POWERMAC_G5, g5_features,
2347 0,
2348 },
2349 #endif /* CONFIG_POWER4 */
2350 };
2351
2352 /*
2353 * The toplevel feature_call callback
2354 */
2355 long __pmac
2356 pmac_do_feature_call(unsigned int selector, ...)
2357 {
2358 struct device_node* node;
2359 long param, value;
2360 int i;
2361 feature_call func = NULL;
2362 va_list args;
2363
2364 if (pmac_mb.features)
2365 for (i=0; pmac_mb.features[i].function; i++)
2366 if (pmac_mb.features[i].selector == selector) {
2367 func = pmac_mb.features[i].function;
2368 break;
2369 }
2370 if (!func)
2371 for (i=0; any_features[i].function; i++)
2372 if (any_features[i].selector == selector) {
2373 func = any_features[i].function;
2374 break;
2375 }
2376 if (!func)
2377 return -ENODEV;
2378
2379 va_start(args, selector);
2380 node = (struct device_node*)va_arg(args, void*);
2381 param = va_arg(args, long);
2382 value = va_arg(args, long);
2383 va_end(args);
2384
2385 return func(node, param, value);
2386 }
2387
2388 static int __init
2389 probe_motherboard(void)
2390 {
2391 int i;
2392 struct macio_chip* macio = &macio_chips[0];
2393 const char* model = NULL;
2394 struct device_node *dt;
2395
2396 /* Lookup known motherboard type in device-tree. First try an
2397 * exact match on the "model" property, then try a "compatible"
2398 * match is none is found.
2399 */
2400 dt = find_devices("device-tree");
2401 if (dt != NULL)
2402 model = (const char *) get_property(dt, "model", NULL);
2403 for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
2404 if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
2405 pmac_mb = pmac_mb_defs[i];
2406 goto found;
2407 }
2408 }
2409 for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
2410 if (machine_is_compatible(pmac_mb_defs[i].model_string)) {
2411 pmac_mb = pmac_mb_defs[i];
2412 goto found;
2413 }
2414 }
2415
2416 /* Fallback to selection depending on mac-io chip type */
2417 switch(macio->type) {
2418 #ifndef CONFIG_POWER4
2419 case macio_grand_central:
2420 pmac_mb.model_id = PMAC_TYPE_PSURGE;
2421 pmac_mb.model_name = "Unknown PowerSurge";
2422 break;
2423 case macio_ohare:
2424 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE;
2425 pmac_mb.model_name = "Unknown OHare-based";
2426 break;
2427 case macio_heathrow:
2428 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW;
2429 pmac_mb.model_name = "Unknown Heathrow-based";
2430 pmac_mb.features = heathrow_desktop_features;
2431 break;
2432 case macio_paddington:
2433 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON;
2434 pmac_mb.model_name = "Unknown Paddington-based";
2435 pmac_mb.features = paddington_features;
2436 break;
2437 case macio_keylargo:
2438 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99;
2439 pmac_mb.model_name = "Unknown Keylargo-based";
2440 pmac_mb.features = core99_features;
2441 break;
2442 case macio_pangea:
2443 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA;
2444 pmac_mb.model_name = "Unknown Pangea-based";
2445 pmac_mb.features = pangea_features;
2446 break;
2447 case macio_intrepid:
2448 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID;
2449 pmac_mb.model_name = "Unknown Intrepid-based";
2450 pmac_mb.features = intrepid_features;
2451 break;
2452 #else /* CONFIG_POWER4 */
2453 case macio_keylargo2:
2454 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2;
2455 pmac_mb.model_name = "Unknown G5";
2456 pmac_mb.features = g5_features;
2457 break;
2458 #endif /* CONFIG_POWER4 */
2459 default:
2460 return -ENODEV;
2461 }
2462 found:
2463 #ifndef CONFIG_POWER4
2464 /* Fixup Hooper vs. Comet */
2465 if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
2466 u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
2467 if (!mach_id_ptr)
2468 return -ENODEV;
2469 /* Here, I used to disable the media-bay on comet. It
2470 * appears this is wrong, the floppy connector is actually
2471 * a kind of media-bay and works with the current driver.
2472 */
2473 if (__raw_readl(mach_id_ptr) & 0x20000000UL)
2474 pmac_mb.model_id = PMAC_TYPE_COMET;
2475 iounmap(mach_id_ptr);
2476 }
2477 #endif /* CONFIG_POWER4 */
2478
2479 #ifdef CONFIG_6xx
2480 /* Set default value of powersave_nap on machines that support it.
2481 * It appears that uninorth rev 3 has a problem with it, we don't
2482 * enable it on those. In theory, the flush-on-lock property is
2483 * supposed to be set when not supported, but I'm not very confident
2484 * that all Apple OF revs did it properly, I do it the paranoid way.
2485 */
2486 while (uninorth_base && uninorth_rev > 3) {
2487 struct device_node* np = find_path_device("/cpus");
2488 if (!np || !np->child) {
2489 printk(KERN_WARNING "Can't find CPU(s) in device tree !\n");
2490 break;
2491 }
2492 np = np->child;
2493 /* Nap mode not supported on SMP */
2494 if (np->sibling)
2495 break;
2496 /* Nap mode not supported if flush-on-lock property is present */
2497 if (get_property(np, "flush-on-lock", NULL))
2498 break;
2499 powersave_nap = 1;
2500 printk(KERN_INFO "Processor NAP mode on idle enabled.\n");
2501 break;
2502 }
2503
2504 /* On CPUs that support it (750FX), lowspeed by default during
2505 * NAP mode
2506 */
2507 powersave_lowspeed = 1;
2508 #endif /* CONFIG_6xx */
2509 #ifdef CONFIG_POWER4
2510 powersave_nap = 1;
2511 #endif
2512 /* Check for "mobile" machine */
2513 if (model && (strncmp(model, "PowerBook", 9) == 0
2514 || strncmp(model, "iBook", 5) == 0))
2515 pmac_mb.board_flags |= PMAC_MB_MOBILE;
2516
2517
2518 printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name);
2519 return 0;
2520 }
2521
2522 /* Initialize the Core99 UniNorth host bridge and memory controller
2523 */
2524 static void __init
2525 probe_uninorth(void)
2526 {
2527 unsigned long actrl;
2528
2529 /* Locate core99 Uni-N */
2530 uninorth_node = of_find_node_by_name(NULL, "uni-n");
2531 /* Locate G5 u3 */
2532 if (uninorth_node == NULL) {
2533 uninorth_node = of_find_node_by_name(NULL, "u3");
2534 uninorth_u3 = 1;
2535 }
2536 if (uninorth_node && uninorth_node->n_addrs > 0) {
2537 unsigned long address = uninorth_node->addrs[0].address;
2538 uninorth_base = ioremap(address, 0x40000);
2539 uninorth_rev = in_be32(UN_REG(UNI_N_VERSION));
2540 if (uninorth_u3)
2541 u3_ht = ioremap(address + U3_HT_CONFIG_BASE, 0x1000);
2542 } else
2543 uninorth_node = NULL;
2544
2545 if (!uninorth_node)
2546 return;
2547
2548 printk(KERN_INFO "Found %s memory controller & host bridge, revision: %d\n",
2549 uninorth_u3 ? "U3" : "UniNorth", uninorth_rev);
2550 printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base);
2551
2552 /* Set the arbitrer QAck delay according to what Apple does
2553 */
2554 if (uninorth_rev < 0x11) {
2555 actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK;
2556 actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 :
2557 UNI_N_ARB_CTRL_QACK_DELAY) << UNI_N_ARB_CTRL_QACK_DELAY_SHIFT;
2558 UN_OUT(UNI_N_ARB_CTRL, actrl);
2559 }
2560
2561 /* Some more magic as done by them in recent MacOS X on UniNorth
2562 * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI
2563 * memory timeout
2564 */
2565 if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) || uninorth_rev == 0xc0)
2566 UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff);
2567 }
2568
2569 static void __init
2570 probe_one_macio(const char* name, const char* compat, int type)
2571 {
2572 struct device_node* node;
2573 int i;
2574 volatile u32 __iomem * base;
2575 u32* revp;
2576
2577 node = find_devices(name);
2578 if (!node || !node->n_addrs)
2579 return;
2580 if (compat)
2581 do {
2582 if (device_is_compatible(node, compat))
2583 break;
2584 node = node->next;
2585 } while (node);
2586 if (!node)
2587 return;
2588 for(i=0; i<MAX_MACIO_CHIPS; i++) {
2589 if (!macio_chips[i].of_node)
2590 break;
2591 if (macio_chips[i].of_node == node)
2592 return;
2593 }
2594 if (i >= MAX_MACIO_CHIPS) {
2595 printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n");
2596 printk(KERN_ERR "pmac_feature: %s skipped\n", node->full_name);
2597 return;
2598 }
2599 base = ioremap(node->addrs[0].address, node->addrs[0].size);
2600 if (!base) {
2601 printk(KERN_ERR "pmac_feature: Can't map mac-io chip !\n");
2602 return;
2603 }
2604 if (type == macio_keylargo) {
2605 u32* did = (u32 *)get_property(node, "device-id", NULL);
2606 if (*did == 0x00000025)
2607 type = macio_pangea;
2608 if (*did == 0x0000003e)
2609 type = macio_intrepid;
2610 }
2611 macio_chips[i].of_node = node;
2612 macio_chips[i].type = type;
2613 macio_chips[i].base = base;
2614 macio_chips[i].flags = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON;
2615 macio_chips[i].name = macio_names[type];
2616 revp = (u32 *)get_property(node, "revision-id", NULL);
2617 if (revp)
2618 macio_chips[i].rev = *revp;
2619 printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n",
2620 macio_names[type], macio_chips[i].rev, macio_chips[i].base);
2621 }
2622
2623 static int __init
2624 probe_macios(void)
2625 {
2626 /* Warning, ordering is important */
2627 probe_one_macio("gc", NULL, macio_grand_central);
2628 probe_one_macio("ohare", NULL, macio_ohare);
2629 probe_one_macio("pci106b,7", NULL, macio_ohareII);
2630 probe_one_macio("mac-io", "keylargo", macio_keylargo);
2631 probe_one_macio("mac-io", "paddington", macio_paddington);
2632 probe_one_macio("mac-io", "gatwick", macio_gatwick);
2633 probe_one_macio("mac-io", "heathrow", macio_heathrow);
2634 probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2);
2635
2636 /* Make sure the "main" macio chip appear first */
2637 if (macio_chips[0].type == macio_gatwick
2638 && macio_chips[1].type == macio_heathrow) {
2639 struct macio_chip temp = macio_chips[0];
2640 macio_chips[0] = macio_chips[1];
2641 macio_chips[1] = temp;
2642 }
2643 if (macio_chips[0].type == macio_ohareII
2644 && macio_chips[1].type == macio_ohare) {
2645 struct macio_chip temp = macio_chips[0];
2646 macio_chips[0] = macio_chips[1];
2647 macio_chips[1] = temp;
2648 }
2649 macio_chips[0].lbus.index = 0;
2650 macio_chips[1].lbus.index = 1;
2651
2652 return (macio_chips[0].of_node == NULL) ? -ENODEV : 0;
2653 }
2654
2655 static void __init
2656 initial_serial_shutdown(struct device_node* np)
2657 {
2658 int len;
2659 struct slot_names_prop {
2660 int count;
2661 char name[1];
2662 } *slots;
2663 char *conn;
2664 int port_type = PMAC_SCC_ASYNC;
2665 int modem = 0;
2666
2667 slots = (struct slot_names_prop *)get_property(np, "slot-names", &len);
2668 conn = get_property(np, "AAPL,connector", &len);
2669 if (conn && (strcmp(conn, "infrared") == 0))
2670 port_type = PMAC_SCC_IRDA;
2671 else if (device_is_compatible(np, "cobalt"))
2672 modem = 1;
2673 else if (slots && slots->count > 0) {
2674 if (strcmp(slots->name, "IrDA") == 0)
2675 port_type = PMAC_SCC_IRDA;
2676 else if (strcmp(slots->name, "Modem") == 0)
2677 modem = 1;
2678 }
2679 if (modem)
2680 pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0);
2681 pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0);
2682 }
2683
2684 static void __init
2685 set_initial_features(void)
2686 {
2687 struct device_node* np;
2688
2689 /* That hack appears to be necessary for some StarMax motherboards
2690 * but I'm not too sure it was audited for side-effects on other
2691 * ohare based machines...
2692 * Since I still have difficulties figuring the right way to
2693 * differenciate them all and since that hack was there for a long
2694 * time, I'll keep it around
2695 */
2696 if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) {
2697 struct macio_chip* macio = &macio_chips[0];
2698 MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
2699 } else if (macio_chips[0].type == macio_ohare) {
2700 struct macio_chip* macio = &macio_chips[0];
2701 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2702 } else if (macio_chips[1].type == macio_ohare) {
2703 struct macio_chip* macio = &macio_chips[1];
2704 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2705 }
2706
2707 #ifdef CONFIG_POWER4
2708 if (macio_chips[0].type == macio_keylargo2) {
2709 #ifndef CONFIG_SMP
2710 /* On SMP machines running UP, we have the second CPU eating
2711 * bus cycles. We need to take it off the bus. This is done
2712 * from pmac_smp for SMP kernels running on one CPU
2713 */
2714 np = of_find_node_by_type(NULL, "cpu");
2715 if (np != NULL)
2716 np = of_find_node_by_type(np, "cpu");
2717 if (np != NULL) {
2718 g5_phy_disable_cpu1();
2719 of_node_put(np);
2720 }
2721 #endif /* CONFIG_SMP */
2722 /* Enable GMAC for now for PCI probing. It will be disabled
2723 * later on after PCI probe
2724 */
2725 np = of_find_node_by_name(NULL, "ethernet");
2726 while(np) {
2727 if (device_is_compatible(np, "K2-GMAC"))
2728 g5_gmac_enable(np, 0, 1);
2729 np = of_find_node_by_name(np, "ethernet");
2730 }
2731
2732 /* Enable FW before PCI probe. Will be disabled later on
2733 * Note: We should have a batter way to check that we are
2734 * dealing with uninorth internal cell and not a PCI cell
2735 * on the external PCI. The code below works though.
2736 */
2737 np = of_find_node_by_name(NULL, "firewire");
2738 while(np) {
2739 if (device_is_compatible(np, "pci106b,5811")) {
2740 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2741 g5_fw_enable(np, 0, 1);
2742 }
2743 np = of_find_node_by_name(np, "firewire");
2744 }
2745 }
2746 #else /* CONFIG_POWER4 */
2747
2748 if (macio_chips[0].type == macio_keylargo ||
2749 macio_chips[0].type == macio_pangea ||
2750 macio_chips[0].type == macio_intrepid) {
2751 /* Enable GMAC for now for PCI probing. It will be disabled
2752 * later on after PCI probe
2753 */
2754 np = of_find_node_by_name(NULL, "ethernet");
2755 while(np) {
2756 if (np->parent
2757 && device_is_compatible(np->parent, "uni-north")
2758 && device_is_compatible(np, "gmac"))
2759 core99_gmac_enable(np, 0, 1);
2760 np = of_find_node_by_name(np, "ethernet");
2761 }
2762
2763 /* Enable FW before PCI probe. Will be disabled later on
2764 * Note: We should have a batter way to check that we are
2765 * dealing with uninorth internal cell and not a PCI cell
2766 * on the external PCI. The code below works though.
2767 */
2768 np = of_find_node_by_name(NULL, "firewire");
2769 while(np) {
2770 if (np->parent
2771 && device_is_compatible(np->parent, "uni-north")
2772 && (device_is_compatible(np, "pci106b,18") ||
2773 device_is_compatible(np, "pci106b,30") ||
2774 device_is_compatible(np, "pci11c1,5811"))) {
2775 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2776 core99_firewire_enable(np, 0, 1);
2777 }
2778 np = of_find_node_by_name(np, "firewire");
2779 }
2780
2781 /* Enable ATA-100 before PCI probe. */
2782 np = of_find_node_by_name(NULL, "ata-6");
2783 while(np) {
2784 if (np->parent
2785 && device_is_compatible(np->parent, "uni-north")
2786 && device_is_compatible(np, "kauai-ata")) {
2787 core99_ata100_enable(np, 1);
2788 }
2789 np = of_find_node_by_name(np, "ata-6");
2790 }
2791
2792 /* Switch airport off */
2793 np = find_devices("radio");
2794 while(np) {
2795 if (np && np->parent == macio_chips[0].of_node) {
2796 macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON;
2797 core99_airport_enable(np, 0, 0);
2798 }
2799 np = np->next;
2800 }
2801 }
2802
2803 /* On all machines that support sound PM, switch sound off */
2804 if (macio_chips[0].of_node)
2805 pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE,
2806 macio_chips[0].of_node, 0, 0);
2807
2808 /* While on some desktop G3s, we turn it back on */
2809 if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow
2810 && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER ||
2811 pmac_mb.model_id == PMAC_TYPE_SILK)) {
2812 struct macio_chip* macio = &macio_chips[0];
2813 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
2814 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
2815 }
2816
2817 /* Some machine models need the clock chip to be properly setup for
2818 * clock spreading now. This should be a platform function but we
2819 * don't do these at the moment
2820 */
2821 pmac_tweak_clock_spreading(1);
2822
2823 #endif /* CONFIG_POWER4 */
2824
2825 /* On all machines, switch modem & serial ports off */
2826 np = find_devices("ch-a");
2827 while(np) {
2828 initial_serial_shutdown(np);
2829 np = np->next;
2830 }
2831 np = find_devices("ch-b");
2832 while(np) {
2833 initial_serial_shutdown(np);
2834 np = np->next;
2835 }
2836 }
2837
2838 void __init
2839 pmac_feature_init(void)
2840 {
2841 /* Detect the UniNorth memory controller */
2842 probe_uninorth();
2843
2844 /* Probe mac-io controllers */
2845 if (probe_macios()) {
2846 printk(KERN_WARNING "No mac-io chip found\n");
2847 return;
2848 }
2849
2850 /* Setup low-level i2c stuffs */
2851 pmac_init_low_i2c();
2852
2853 /* Probe machine type */
2854 if (probe_motherboard())
2855 printk(KERN_WARNING "Unknown PowerMac !\n");
2856
2857 /* Set some initial features (turn off some chips that will
2858 * be later turned on)
2859 */
2860 set_initial_features();
2861 }
2862
2863 int __init
2864 pmac_feature_late_init(void)
2865 {
2866 struct device_node* np;
2867
2868 /* Request some resources late */
2869 if (uninorth_node)
2870 request_OF_resource(uninorth_node, 0, NULL);
2871 np = find_devices("hammerhead");
2872 if (np)
2873 request_OF_resource(np, 0, NULL);
2874 np = find_devices("interrupt-controller");
2875 if (np)
2876 request_OF_resource(np, 0, NULL);
2877 return 0;
2878 }
2879
2880 device_initcall(pmac_feature_late_init);
2881
2882 #ifdef CONFIG_POWER4
2883
2884 static void dump_HT_speeds(char *name, u32 cfg, u32 frq)
2885 {
2886 int freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 };
2887 int bits[8] = { 8,16,0,32,2,4,0,0 };
2888 int freq = (frq >> 8) & 0xf;
2889
2890 if (freqs[freq] == 0)
2891 printk("%s: Unknown HT link frequency %x\n", name, freq);
2892 else
2893 printk("%s: %d MHz on main link, (%d in / %d out) bits width\n",
2894 name, freqs[freq],
2895 bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]);
2896 }
2897
2898 void __init pmac_check_ht_link(void)
2899 {
2900 u32 ufreq, freq, ucfg, cfg;
2901 struct device_node *pcix_node;
2902 u8 px_bus, px_devfn;
2903 struct pci_controller *px_hose;
2904
2905 (void)in_be32(u3_ht + U3_HT_LINK_COMMAND);
2906 ucfg = cfg = in_be32(u3_ht + U3_HT_LINK_CONFIG);
2907 ufreq = freq = in_be32(u3_ht + U3_HT_LINK_FREQ);
2908 dump_HT_speeds("U3 HyperTransport", cfg, freq);
2909
2910 pcix_node = of_find_compatible_node(NULL, "pci", "pci-x");
2911 if (pcix_node == NULL) {
2912 printk("No PCI-X bridge found\n");
2913 return;
2914 }
2915 if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) {
2916 printk("PCI-X bridge found but not matched to pci\n");
2917 return;
2918 }
2919 px_hose = pci_find_hose_for_OF_device(pcix_node);
2920 if (px_hose == NULL) {
2921 printk("PCI-X bridge found but not matched to host\n");
2922 return;
2923 }
2924 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg);
2925 early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq);
2926 dump_HT_speeds("PCI-X HT Uplink", cfg, freq);
2927 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg);
2928 early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq);
2929 dump_HT_speeds("PCI-X HT Downlink", cfg, freq);
2930 }
2931
2932 #endif /* CONFIG_POWER4 */
2933
2934 /*
2935 * Early video resume hook
2936 */
2937
2938 static void (*pmac_early_vresume_proc)(void *data) __pmacdata;
2939 static void *pmac_early_vresume_data __pmacdata;
2940
2941 void pmac_set_early_video_resume(void (*proc)(void *data), void *data)
2942 {
2943 if (_machine != _MACH_Pmac)
2944 return;
2945 preempt_disable();
2946 pmac_early_vresume_proc = proc;
2947 pmac_early_vresume_data = data;
2948 preempt_enable();
2949 }
2950 EXPORT_SYMBOL(pmac_set_early_video_resume);
2951
2952 void __pmac pmac_call_early_video_resume(void)
2953 {
2954 if (pmac_early_vresume_proc)
2955 pmac_early_vresume_proc(pmac_early_vresume_data);
2956 }
2957
2958 /*
2959 * AGP related suspend/resume code
2960 */
2961
2962 static struct pci_dev *pmac_agp_bridge __pmacdata;
2963 static int (*pmac_agp_suspend)(struct pci_dev *bridge) __pmacdata;
2964 static int (*pmac_agp_resume)(struct pci_dev *bridge) __pmacdata;
2965
2966 void __pmac pmac_register_agp_pm(struct pci_dev *bridge,
2967 int (*suspend)(struct pci_dev *bridge),
2968 int (*resume)(struct pci_dev *bridge))
2969 {
2970 if (suspend || resume) {
2971 pmac_agp_bridge = bridge;
2972 pmac_agp_suspend = suspend;
2973 pmac_agp_resume = resume;
2974 return;
2975 }
2976 if (bridge != pmac_agp_bridge)
2977 return;
2978 pmac_agp_suspend = pmac_agp_resume = NULL;
2979 return;
2980 }
2981 EXPORT_SYMBOL(pmac_register_agp_pm);
2982
2983 void __pmac pmac_suspend_agp_for_card(struct pci_dev *dev)
2984 {
2985 if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL)
2986 return;
2987 if (pmac_agp_bridge->bus != dev->bus)
2988 return;
2989 pmac_agp_suspend(pmac_agp_bridge);
2990 }
2991 EXPORT_SYMBOL(pmac_suspend_agp_for_card);
2992
2993 void __pmac pmac_resume_agp_for_card(struct pci_dev *dev)
2994 {
2995 if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL)
2996 return;
2997 if (pmac_agp_bridge->bus != dev->bus)
2998 return;
2999 pmac_agp_resume(pmac_agp_bridge);
3000 }
3001 EXPORT_SYMBOL(pmac_resume_agp_for_card);
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