24b42fd9e014f83cbf6c0ea1dfea03f7dd26b323
[linux-2.6.git] / arch / ppc / platforms / pmac_feature.c
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
78 macio_find(struct device_node* child, int type)
79 {
80         while(child) {
81                 int     i;
82
83                 for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++)
84                         if (child == macio_chips[i].of_node &&
85                             (!type || macio_chips[i].type == type))
86                                 return &macio_chips[i];
87                 child = child->parent;
88         }
89         return NULL;
90 }
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 static int __pmac
1594 core99_sleep(void)
1595 {
1596         struct macio_chip* macio;
1597         int i;
1598
1599         macio = &macio_chips[0];
1600         if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1601             macio->type != macio_intrepid)
1602                 return -ENODEV;
1603
1604         /* The device-tree contains that in the hwclock node */
1605         if (macio->type == macio_intrepid) {
1606                 UN_OUT(UNI_N_CLOCK_SPREADING, 0);
1607                 mdelay(40);
1608         }
1609
1610         /* We power off the wireless slot in case it was not done
1611          * by the driver. We don't power it on automatically however
1612          */
1613         if (macio->flags & MACIO_FLAG_AIRPORT_ON)
1614                 core99_airport_enable(macio->of_node, 0, 0);
1615
1616         /* We power off the FW cable. Should be done by the driver... */
1617         if (macio->flags & MACIO_FLAG_FW_SUPPORTED) {
1618                 core99_firewire_enable(NULL, 0, 0);
1619                 core99_firewire_cable_power(NULL, 0, 0);
1620         }
1621
1622         /* We make sure int. modem is off (in case driver lost it) */
1623         if (macio->type == macio_keylargo)
1624                 core99_modem_enable(macio->of_node, 0, 0);
1625         else
1626                 pangea_modem_enable(macio->of_node, 0, 0);
1627
1628         /* We make sure the sound is off as well */
1629         core99_sound_chip_enable(macio->of_node, 0, 0);
1630
1631         /*
1632          * Save various bits of KeyLargo
1633          */
1634
1635         /* Save the state of the various GPIOs */
1636         save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0);
1637         save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1);
1638         for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1639                 save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i);
1640         for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1641                 save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i);
1642
1643         /* Save the FCRs */
1644         if (macio->type == macio_keylargo)
1645                 save_mbcr = MACIO_IN32(KEYLARGO_MBCR);
1646         save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0);
1647         save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1);
1648         save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2);
1649         save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3);
1650         save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4);
1651         if (macio->type == macio_pangea || macio->type == macio_intrepid)
1652                 save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5);
1653
1654         /* Save state & config of DBDMA channels */
1655         dbdma_save(macio, save_dbdma);
1656
1657         /*
1658          * Turn off as much as we can
1659          */
1660         if (macio->type == macio_pangea)
1661                 pangea_shutdown(macio, 1);
1662         else if (macio->type == macio_intrepid)
1663                 intrepid_shutdown(macio, 1);
1664         else if (macio->type == macio_keylargo)
1665                 keylargo_shutdown(macio, 1);
1666
1667         /*
1668          * Put the host bridge to sleep
1669          */
1670
1671         save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL);
1672         /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it
1673          * enabled !
1674          */
1675         UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl &
1676                ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/));
1677         udelay(100);
1678         UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1679         UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP);
1680         mdelay(10);
1681
1682         /*
1683          * FIXME: A bit of black magic with OpenPIC (don't ask me why)
1684          */
1685         if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1686                 MACIO_BIS(0x506e0, 0x00400000);
1687                 MACIO_BIS(0x506e0, 0x80000000);
1688         }
1689         return 0;
1690 }
1691
1692 static int __pmac
1693 core99_wake_up(void)
1694 {
1695         struct macio_chip* macio;
1696         int i;
1697
1698         macio = &macio_chips[0];
1699         if (macio->type != macio_keylargo && macio->type != macio_pangea &&
1700             macio->type != macio_intrepid)
1701                 return -ENODEV;
1702
1703         /*
1704          * Wakeup the host bridge
1705          */
1706         UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1707         udelay(10);
1708         UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1709         udelay(10);
1710
1711         /*
1712          * Restore KeyLargo
1713          */
1714
1715         if (macio->type == macio_keylargo) {
1716                 MACIO_OUT32(KEYLARGO_MBCR, save_mbcr);
1717                 (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10);
1718         }
1719         MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]);
1720         (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10);
1721         MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]);
1722         (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10);
1723         MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]);
1724         (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10);
1725         MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]);
1726         (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10);
1727         MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]);
1728         (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10);
1729         if (macio->type == macio_pangea || macio->type == macio_intrepid) {
1730                 MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]);
1731                 (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10);
1732         }
1733
1734         dbdma_restore(macio, save_dbdma);
1735
1736         MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]);
1737         MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]);
1738         for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++)
1739                 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]);
1740         for (i=0; i<KEYLARGO_GPIO_CNT; i++)
1741                 MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]);
1742
1743         /* FIXME more black magic with OpenPIC ... */
1744         if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) {
1745                 MACIO_BIC(0x506e0, 0x00400000);
1746                 MACIO_BIC(0x506e0, 0x80000000);
1747         }
1748
1749         UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl);
1750         udelay(100);
1751
1752         /* Restore clock spreading */
1753         if (macio->type == macio_intrepid) {
1754                 UN_OUT(UNI_N_CLOCK_SPREADING, 2);
1755                 mdelay(40);
1756         }
1757
1758         return 0;
1759 }
1760
1761 static long __pmac
1762 core99_sleep_state(struct device_node* node, long param, long value)
1763 {
1764         /* Param == 1 means to enter the "fake sleep" mode that is
1765          * used for CPU speed switch
1766          */
1767         if (param == 1) {
1768                 if (value == 1) {
1769                         UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING);
1770                         UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2);
1771                 } else {
1772                         UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL);
1773                         udelay(10);
1774                         UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING);
1775                         udelay(10);
1776                 }
1777                 return 0;
1778         }
1779         if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0)
1780                 return -EPERM;
1781
1782         if (value == 1)
1783                 return core99_sleep();
1784         else if (value == 0)
1785                 return core99_wake_up();
1786         return 0;
1787 }
1788
1789 #endif /* CONFIG_POWER4 */
1790
1791 static long __pmac
1792 generic_dev_can_wake(struct device_node* node, long param, long value)
1793 {
1794         /* Todo: eventually check we are really dealing with on-board
1795          * video device ...
1796          */
1797
1798         if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP)
1799                 pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP;
1800         return 0;
1801 }
1802
1803 static long __pmac
1804 generic_get_mb_info(struct device_node* node, long param, long value)
1805 {
1806         switch(param) {
1807                 case PMAC_MB_INFO_MODEL:
1808                         return pmac_mb.model_id;
1809                 case PMAC_MB_INFO_FLAGS:
1810                         return pmac_mb.board_flags;
1811                 case PMAC_MB_INFO_NAME:
1812                         /* hack hack hack... but should work */
1813                         *((const char **)value) = pmac_mb.model_name;
1814                         return 0;
1815         }
1816         return -EINVAL;
1817 }
1818
1819
1820 /*
1821  * Table definitions
1822  */
1823
1824 /* Used on any machine
1825  */
1826 static struct feature_table_entry any_features[]  __pmacdata = {
1827         { PMAC_FTR_GET_MB_INFO,         generic_get_mb_info },
1828         { PMAC_FTR_DEVICE_CAN_WAKE,     generic_dev_can_wake },
1829         { 0, NULL }
1830 };
1831
1832 #ifndef CONFIG_POWER4
1833
1834 /* OHare based motherboards. Currently, we only use these on the
1835  * 2400,3400 and 3500 series powerbooks. Some older desktops seem
1836  * to have issues with turning on/off those asic cells
1837  */
1838 static struct feature_table_entry ohare_features[]  __pmacdata = {
1839         { PMAC_FTR_SCC_ENABLE,          ohare_htw_scc_enable },
1840         { PMAC_FTR_SWIM3_ENABLE,        ohare_floppy_enable },
1841         { PMAC_FTR_MESH_ENABLE,         ohare_mesh_enable },
1842         { PMAC_FTR_IDE_ENABLE,          ohare_ide_enable},
1843         { PMAC_FTR_IDE_RESET,           ohare_ide_reset},
1844         { PMAC_FTR_SLEEP_STATE,         ohare_sleep_state },
1845         { 0, NULL }
1846 };
1847
1848 /* Heathrow desktop machines (Beige G3).
1849  * Separated as some features couldn't be properly tested
1850  * and the serial port control bits appear to confuse it.
1851  */
1852 static struct feature_table_entry heathrow_desktop_features[]  __pmacdata = {
1853         { PMAC_FTR_SWIM3_ENABLE,        heathrow_floppy_enable },
1854         { PMAC_FTR_MESH_ENABLE,         heathrow_mesh_enable },
1855         { PMAC_FTR_IDE_ENABLE,          heathrow_ide_enable },
1856         { PMAC_FTR_IDE_RESET,           heathrow_ide_reset },
1857         { PMAC_FTR_BMAC_ENABLE,         heathrow_bmac_enable },
1858         { 0, NULL }
1859 };
1860
1861 /* Heathrow based laptop, that is the Wallstreet and mainstreet
1862  * powerbooks.
1863  */
1864 static struct feature_table_entry heathrow_laptop_features[]  __pmacdata = {
1865         { PMAC_FTR_SCC_ENABLE,          ohare_htw_scc_enable },
1866         { PMAC_FTR_MODEM_ENABLE,        heathrow_modem_enable },
1867         { PMAC_FTR_SWIM3_ENABLE,        heathrow_floppy_enable },
1868         { PMAC_FTR_MESH_ENABLE,         heathrow_mesh_enable },
1869         { PMAC_FTR_IDE_ENABLE,          heathrow_ide_enable },
1870         { PMAC_FTR_IDE_RESET,           heathrow_ide_reset },
1871         { PMAC_FTR_BMAC_ENABLE,         heathrow_bmac_enable },
1872         { PMAC_FTR_SOUND_CHIP_ENABLE,   heathrow_sound_enable },
1873         { PMAC_FTR_SLEEP_STATE,         heathrow_sleep_state },
1874         { 0, NULL }
1875 };
1876
1877 /* Paddington based machines
1878  * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4.
1879  */
1880 static struct feature_table_entry paddington_features[]  __pmacdata = {
1881         { PMAC_FTR_SCC_ENABLE,          ohare_htw_scc_enable },
1882         { PMAC_FTR_MODEM_ENABLE,        heathrow_modem_enable },
1883         { PMAC_FTR_SWIM3_ENABLE,        heathrow_floppy_enable },
1884         { PMAC_FTR_MESH_ENABLE,         heathrow_mesh_enable },
1885         { PMAC_FTR_IDE_ENABLE,          heathrow_ide_enable },
1886         { PMAC_FTR_IDE_RESET,           heathrow_ide_reset },
1887         { PMAC_FTR_BMAC_ENABLE,         heathrow_bmac_enable },
1888         { PMAC_FTR_SOUND_CHIP_ENABLE,   heathrow_sound_enable },
1889         { PMAC_FTR_SLEEP_STATE,         heathrow_sleep_state },
1890         { 0, NULL }
1891 };
1892
1893 /* Core99 & MacRISC 2 machines (all machines released since the
1894  * iBook (included), that is all AGP machines, except pangea
1895  * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo
1896  * used on iBook2 & iMac "flow power".
1897  */
1898 static struct feature_table_entry core99_features[]  __pmacdata = {
1899         { PMAC_FTR_SCC_ENABLE,          core99_scc_enable },
1900         { PMAC_FTR_MODEM_ENABLE,        core99_modem_enable },
1901         { PMAC_FTR_IDE_ENABLE,          core99_ide_enable },
1902         { PMAC_FTR_IDE_RESET,           core99_ide_reset },
1903         { PMAC_FTR_GMAC_ENABLE,         core99_gmac_enable },
1904         { PMAC_FTR_GMAC_PHY_RESET,      core99_gmac_phy_reset },
1905         { PMAC_FTR_SOUND_CHIP_ENABLE,   core99_sound_chip_enable },
1906         { PMAC_FTR_AIRPORT_ENABLE,      core99_airport_enable },
1907         { PMAC_FTR_USB_ENABLE,          core99_usb_enable },
1908         { PMAC_FTR_1394_ENABLE,         core99_firewire_enable },
1909         { PMAC_FTR_1394_CABLE_POWER,    core99_firewire_cable_power },
1910         { PMAC_FTR_SLEEP_STATE,         core99_sleep_state },
1911 #ifdef CONFIG_SMP
1912         { PMAC_FTR_RESET_CPU,           core99_reset_cpu },
1913 #endif /* CONFIG_SMP */
1914         { PMAC_FTR_READ_GPIO,           core99_read_gpio },
1915         { PMAC_FTR_WRITE_GPIO,          core99_write_gpio },
1916         { 0, NULL }
1917 };
1918
1919 /* RackMac
1920  */
1921 static struct feature_table_entry rackmac_features[]  __pmacdata = {
1922         { PMAC_FTR_SCC_ENABLE,          core99_scc_enable },
1923         { PMAC_FTR_IDE_ENABLE,          core99_ide_enable },
1924         { PMAC_FTR_IDE_RESET,           core99_ide_reset },
1925         { PMAC_FTR_GMAC_ENABLE,         core99_gmac_enable },
1926         { PMAC_FTR_GMAC_PHY_RESET,      core99_gmac_phy_reset },
1927         { PMAC_FTR_USB_ENABLE,          core99_usb_enable },
1928         { PMAC_FTR_1394_ENABLE,         core99_firewire_enable },
1929         { PMAC_FTR_1394_CABLE_POWER,    core99_firewire_cable_power },
1930         { PMAC_FTR_SLEEP_STATE,         core99_sleep_state },
1931 #ifdef CONFIG_SMP
1932         { PMAC_FTR_RESET_CPU,           core99_reset_cpu },
1933 #endif /* CONFIG_SMP */
1934         { PMAC_FTR_READ_GPIO,           core99_read_gpio },
1935         { PMAC_FTR_WRITE_GPIO,          core99_write_gpio },
1936         { 0, NULL }
1937 };
1938
1939 /* Pangea features
1940  */
1941 static struct feature_table_entry pangea_features[]  __pmacdata = {
1942         { PMAC_FTR_SCC_ENABLE,          core99_scc_enable },
1943         { PMAC_FTR_MODEM_ENABLE,        pangea_modem_enable },
1944         { PMAC_FTR_IDE_ENABLE,          core99_ide_enable },
1945         { PMAC_FTR_IDE_RESET,           core99_ide_reset },
1946         { PMAC_FTR_GMAC_ENABLE,         core99_gmac_enable },
1947         { PMAC_FTR_GMAC_PHY_RESET,      core99_gmac_phy_reset },
1948         { PMAC_FTR_SOUND_CHIP_ENABLE,   core99_sound_chip_enable },
1949         { PMAC_FTR_AIRPORT_ENABLE,      core99_airport_enable },
1950         { PMAC_FTR_USB_ENABLE,          core99_usb_enable },
1951         { PMAC_FTR_1394_ENABLE,         core99_firewire_enable },
1952         { PMAC_FTR_1394_CABLE_POWER,    core99_firewire_cable_power },
1953         { PMAC_FTR_SLEEP_STATE,         core99_sleep_state },
1954         { PMAC_FTR_READ_GPIO,           core99_read_gpio },
1955         { PMAC_FTR_WRITE_GPIO,          core99_write_gpio },
1956         { 0, NULL }
1957 };
1958
1959 /* Intrepid features
1960  */
1961 static struct feature_table_entry intrepid_features[]  __pmacdata = {
1962         { PMAC_FTR_SCC_ENABLE,          core99_scc_enable },
1963         { PMAC_FTR_MODEM_ENABLE,        pangea_modem_enable },
1964         { PMAC_FTR_IDE_ENABLE,          core99_ide_enable },
1965         { PMAC_FTR_IDE_RESET,           core99_ide_reset },
1966         { PMAC_FTR_GMAC_ENABLE,         core99_gmac_enable },
1967         { PMAC_FTR_GMAC_PHY_RESET,      core99_gmac_phy_reset },
1968         { PMAC_FTR_SOUND_CHIP_ENABLE,   core99_sound_chip_enable },
1969         { PMAC_FTR_AIRPORT_ENABLE,      core99_airport_enable },
1970         { PMAC_FTR_USB_ENABLE,          core99_usb_enable },
1971         { PMAC_FTR_1394_ENABLE,         core99_firewire_enable },
1972         { PMAC_FTR_1394_CABLE_POWER,    core99_firewire_cable_power },
1973         { PMAC_FTR_SLEEP_STATE,         core99_sleep_state },
1974         { PMAC_FTR_READ_GPIO,           core99_read_gpio },
1975         { PMAC_FTR_WRITE_GPIO,          core99_write_gpio },
1976         { PMAC_FTR_AACK_DELAY_ENABLE,   intrepid_aack_delay_enable },
1977         { 0, NULL }
1978 };
1979
1980 #else /* CONFIG_POWER4 */
1981
1982 /* G5 features
1983  */
1984 static struct feature_table_entry g5_features[]  __pmacdata = {
1985         { PMAC_FTR_GMAC_ENABLE,         g5_gmac_enable },
1986         { PMAC_FTR_1394_ENABLE,         g5_fw_enable },
1987         { PMAC_FTR_ENABLE_MPIC,         g5_mpic_enable },
1988 #ifdef CONFIG_SMP
1989         { PMAC_FTR_RESET_CPU,           g5_reset_cpu },
1990 #endif /* CONFIG_SMP */
1991         { PMAC_FTR_READ_GPIO,           core99_read_gpio },
1992         { PMAC_FTR_WRITE_GPIO,          core99_write_gpio },
1993         { 0, NULL }
1994 };
1995
1996 #endif /* CONFIG_POWER4 */
1997
1998 static struct pmac_mb_def pmac_mb_defs[] __pmacdata = {
1999 #ifndef CONFIG_POWER4
2000         /*
2001          * Desktops
2002          */
2003
2004         {       "AAPL,8500",                    "PowerMac 8500/8600",
2005                 PMAC_TYPE_PSURGE,               NULL,
2006                 0
2007         },
2008         {       "AAPL,9500",                    "PowerMac 9500/9600",
2009                 PMAC_TYPE_PSURGE,               NULL,
2010                 0
2011         },
2012         {       "AAPL,7200",                    "PowerMac 7200",
2013                 PMAC_TYPE_PSURGE,               NULL,
2014                 0
2015         },
2016         {       "AAPL,7300",                    "PowerMac 7200/7300",
2017                 PMAC_TYPE_PSURGE,               NULL,
2018                 0
2019         },
2020         {       "AAPL,7500",                    "PowerMac 7500",
2021                 PMAC_TYPE_PSURGE,               NULL,
2022                 0
2023         },
2024         {       "AAPL,ShinerESB",               "Apple Network Server",
2025                 PMAC_TYPE_ANS,                  NULL,
2026                 0
2027         },
2028         {       "AAPL,e407",                    "Alchemy",
2029                 PMAC_TYPE_ALCHEMY,              NULL,
2030                 0
2031         },
2032         {       "AAPL,e411",                    "Gazelle",
2033                 PMAC_TYPE_GAZELLE,              NULL,
2034                 0
2035         },
2036         {       "AAPL,Gossamer",                "PowerMac G3 (Gossamer)",
2037                 PMAC_TYPE_GOSSAMER,             heathrow_desktop_features,
2038                 0
2039         },
2040         {       "AAPL,PowerMac G3",             "PowerMac G3 (Silk)",
2041                 PMAC_TYPE_SILK,                 heathrow_desktop_features,
2042                 0
2043         },
2044         {       "PowerMac1,1",                  "Blue&White G3",
2045                 PMAC_TYPE_YOSEMITE,             paddington_features,
2046                 0
2047         },
2048         {       "PowerMac1,2",                  "PowerMac G4 PCI Graphics",
2049                 PMAC_TYPE_YIKES,                paddington_features,
2050                 0
2051         },
2052         {       "PowerMac2,1",                  "iMac FireWire",
2053                 PMAC_TYPE_FW_IMAC,              core99_features,
2054                 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2055         },
2056         {       "PowerMac2,2",                  "iMac FireWire",
2057                 PMAC_TYPE_FW_IMAC,              core99_features,
2058                 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2059         },
2060         {       "PowerMac3,1",                  "PowerMac G4 AGP Graphics",
2061                 PMAC_TYPE_SAWTOOTH,             core99_features,
2062                 PMAC_MB_OLD_CORE99
2063         },
2064         {       "PowerMac3,2",                  "PowerMac G4 AGP Graphics",
2065                 PMAC_TYPE_SAWTOOTH,             core99_features,
2066                 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2067         },
2068         {       "PowerMac3,3",                  "PowerMac G4 AGP Graphics",
2069                 PMAC_TYPE_SAWTOOTH,             core99_features,
2070                 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2071         },
2072         {       "PowerMac3,4",                  "PowerMac G4 Silver",
2073                 PMAC_TYPE_QUICKSILVER,          core99_features,
2074                 PMAC_MB_MAY_SLEEP
2075         },
2076         {       "PowerMac3,5",                  "PowerMac G4 Silver",
2077                 PMAC_TYPE_QUICKSILVER,          core99_features,
2078                 PMAC_MB_MAY_SLEEP
2079         },
2080         {       "PowerMac3,6",                  "PowerMac G4 Windtunnel",
2081                 PMAC_TYPE_WINDTUNNEL,           core99_features,
2082                 PMAC_MB_MAY_SLEEP,
2083         },
2084         {       "PowerMac4,1",                  "iMac \"Flower Power\"",
2085                 PMAC_TYPE_PANGEA_IMAC,          pangea_features,
2086                 PMAC_MB_MAY_SLEEP
2087         },
2088         {       "PowerMac4,2",                  "Flat panel iMac",
2089                 PMAC_TYPE_FLAT_PANEL_IMAC,      pangea_features,
2090                 PMAC_MB_CAN_SLEEP
2091         },
2092         {       "PowerMac4,4",                  "eMac",
2093                 PMAC_TYPE_EMAC,                 core99_features,
2094                 PMAC_MB_MAY_SLEEP
2095         },
2096         {       "PowerMac5,1",                  "PowerMac G4 Cube",
2097                 PMAC_TYPE_CUBE,                 core99_features,
2098                 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
2099         },
2100         {       "PowerMac6,1",                  "Flat panel iMac",
2101                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2102                 PMAC_MB_MAY_SLEEP,
2103         },
2104         {       "PowerMac6,3",                  "Flat panel iMac",
2105                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2106                 PMAC_MB_MAY_SLEEP,
2107         },
2108         {       "PowerMac6,4",                  "eMac",
2109                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2110                 PMAC_MB_MAY_SLEEP,
2111         },
2112         {       "PowerMac10,1",                 "Mac mini",
2113                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2114                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER,
2115         },
2116         {       "iMac,1",                       "iMac (first generation)",
2117                 PMAC_TYPE_ORIG_IMAC,            paddington_features,
2118                 0
2119         },
2120
2121         /*
2122          * Xserve's
2123          */
2124
2125         {       "RackMac1,1",                   "XServe",
2126                 PMAC_TYPE_RACKMAC,              rackmac_features,
2127                 0,
2128         },
2129         {       "RackMac1,2",                   "XServe rev. 2",
2130                 PMAC_TYPE_RACKMAC,              rackmac_features,
2131                 0,
2132         },
2133
2134         /*
2135          * Laptops
2136          */
2137
2138         {       "AAPL,3400/2400",               "PowerBook 3400",
2139                 PMAC_TYPE_HOOPER,               ohare_features,
2140                 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2141         },
2142         {       "AAPL,3500",                    "PowerBook 3500",
2143                 PMAC_TYPE_KANGA,                ohare_features,
2144                 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2145         },
2146         {       "AAPL,PowerBook1998",           "PowerBook Wallstreet",
2147                 PMAC_TYPE_WALLSTREET,           heathrow_laptop_features,
2148                 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
2149         },
2150         {       "PowerBook1,1",                 "PowerBook 101 (Lombard)",
2151                 PMAC_TYPE_101_PBOOK,            paddington_features,
2152                 PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE
2153         },
2154         {       "PowerBook2,1",                 "iBook (first generation)",
2155                 PMAC_TYPE_ORIG_IBOOK,           core99_features,
2156                 PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2157         },
2158         {       "PowerBook2,2",                 "iBook FireWire",
2159                 PMAC_TYPE_FW_IBOOK,             core99_features,
2160                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2161                 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2162         },
2163         {       "PowerBook3,1",                 "PowerBook Pismo",
2164                 PMAC_TYPE_PISMO,                core99_features,
2165                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
2166                 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
2167         },
2168         {       "PowerBook3,2",                 "PowerBook Titanium",
2169                 PMAC_TYPE_TITANIUM,             core99_features,
2170                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2171         },
2172         {       "PowerBook3,3",                 "PowerBook Titanium II",
2173                 PMAC_TYPE_TITANIUM2,            core99_features,
2174                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2175         },
2176         {       "PowerBook3,4",                 "PowerBook Titanium III",
2177                 PMAC_TYPE_TITANIUM3,            core99_features,
2178                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2179         },
2180         {       "PowerBook3,5",                 "PowerBook Titanium IV",
2181                 PMAC_TYPE_TITANIUM4,            core99_features,
2182                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2183         },
2184         {       "PowerBook4,1",                 "iBook 2",
2185                 PMAC_TYPE_IBOOK2,               pangea_features,
2186                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2187         },
2188         {       "PowerBook4,2",                 "iBook 2",
2189                 PMAC_TYPE_IBOOK2,               pangea_features,
2190                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2191         },
2192         {       "PowerBook4,3",                 "iBook 2 rev. 2",
2193                 PMAC_TYPE_IBOOK2,               pangea_features,
2194                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
2195         },
2196         {       "PowerBook5,1",                 "PowerBook G4 17\"",
2197                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2198                 PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2199         },
2200         {       "PowerBook5,2",                 "PowerBook G4 15\"",
2201                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2202                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2203         },
2204         {       "PowerBook5,3",                 "PowerBook G4 17\"",
2205                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2206                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2207         },
2208         {       "PowerBook5,4",                 "PowerBook G4 15\"",
2209                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2210                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2211         },
2212         {       "PowerBook5,5",                 "PowerBook G4 17\"",
2213                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2214                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2215         },
2216         {       "PowerBook5,6",                 "PowerBook G4 15\"",
2217                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2218                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2219         },
2220         {       "PowerBook5,7",                 "PowerBook G4 17\"",
2221                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2222                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2223         },
2224         {       "PowerBook6,1",                 "PowerBook G4 12\"",
2225                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2226                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2227         },
2228         {       "PowerBook6,2",                 "PowerBook G4",
2229                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2230                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2231         },
2232         {       "PowerBook6,3",                 "iBook G4",
2233                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2234                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2235         },
2236         {       "PowerBook6,4",                 "PowerBook G4 12\"",
2237                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2238                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2239         },
2240         {       "PowerBook6,5",                 "iBook G4",
2241                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2242                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2243         },
2244         {       "PowerBook6,8",                 "PowerBook G4 12\"",
2245                 PMAC_TYPE_UNKNOWN_INTREPID,     intrepid_features,
2246                 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
2247         },
2248 #else /* CONFIG_POWER4 */
2249         {       "PowerMac7,2",                  "PowerMac G5",
2250                 PMAC_TYPE_POWERMAC_G5,          g5_features,
2251                 0,
2252         },
2253 #endif /* CONFIG_POWER4 */
2254 };
2255
2256 /*
2257  * The toplevel feature_call callback
2258  */
2259 long __pmac
2260 pmac_do_feature_call(unsigned int selector, ...)
2261 {
2262         struct device_node* node;
2263         long param, value;
2264         int i;
2265         feature_call func = NULL;
2266         va_list args;
2267
2268         if (pmac_mb.features)
2269                 for (i=0; pmac_mb.features[i].function; i++)
2270                         if (pmac_mb.features[i].selector == selector) {
2271                                 func = pmac_mb.features[i].function;
2272                                 break;
2273                         }
2274         if (!func)
2275                 for (i=0; any_features[i].function; i++)
2276                         if (any_features[i].selector == selector) {
2277                                 func = any_features[i].function;
2278                                 break;
2279                         }
2280         if (!func)
2281                 return -ENODEV;
2282
2283         va_start(args, selector);
2284         node = (struct device_node*)va_arg(args, void*);
2285         param = va_arg(args, long);
2286         value = va_arg(args, long);
2287         va_end(args);
2288
2289         return func(node, param, value);
2290 }
2291
2292 static int __init
2293 probe_motherboard(void)
2294 {
2295         int i;
2296         struct macio_chip* macio = &macio_chips[0];
2297         const char* model = NULL;
2298         struct device_node *dt;
2299
2300         /* Lookup known motherboard type in device-tree. First try an
2301          * exact match on the "model" property, then try a "compatible"
2302          * match is none is found.
2303          */
2304         dt = find_devices("device-tree");
2305         if (dt != NULL)
2306                 model = (const char *) get_property(dt, "model", NULL);
2307         for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
2308             if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
2309                 pmac_mb = pmac_mb_defs[i];
2310                 goto found;
2311             }
2312         }
2313         for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
2314             if (machine_is_compatible(pmac_mb_defs[i].model_string)) {
2315                 pmac_mb = pmac_mb_defs[i];
2316                 goto found;
2317             }
2318         }
2319
2320         /* Fallback to selection depending on mac-io chip type */
2321         switch(macio->type) {
2322 #ifndef CONFIG_POWER4
2323             case macio_grand_central:
2324                 pmac_mb.model_id = PMAC_TYPE_PSURGE;
2325                 pmac_mb.model_name = "Unknown PowerSurge";
2326                 break;
2327             case macio_ohare:
2328                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE;
2329                 pmac_mb.model_name = "Unknown OHare-based";
2330                 break;
2331             case macio_heathrow:
2332                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW;
2333                 pmac_mb.model_name = "Unknown Heathrow-based";
2334                 pmac_mb.features = heathrow_desktop_features;
2335                 break;
2336             case macio_paddington:
2337                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON;
2338                 pmac_mb.model_name = "Unknown Paddington-based";
2339                 pmac_mb.features = paddington_features;
2340                 break;
2341             case macio_keylargo:
2342                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99;
2343                 pmac_mb.model_name = "Unknown Keylargo-based";
2344                 pmac_mb.features = core99_features;
2345                 break;
2346             case macio_pangea:
2347                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA;
2348                 pmac_mb.model_name = "Unknown Pangea-based";
2349                 pmac_mb.features = pangea_features;
2350                 break;
2351             case macio_intrepid:
2352                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID;
2353                 pmac_mb.model_name = "Unknown Intrepid-based";
2354                 pmac_mb.features = intrepid_features;
2355                 break;
2356 #else /* CONFIG_POWER4 */
2357             case macio_keylargo2:
2358                 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2;
2359                 pmac_mb.model_name = "Unknown G5";
2360                 pmac_mb.features = g5_features;
2361                 break;
2362 #endif /* CONFIG_POWER4 */
2363             default:
2364                 return -ENODEV;
2365         }
2366 found:
2367 #ifndef CONFIG_POWER4
2368         /* Fixup Hooper vs. Comet */
2369         if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
2370                 u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
2371                 if (!mach_id_ptr)
2372                         return -ENODEV;
2373                 /* Here, I used to disable the media-bay on comet. It
2374                  * appears this is wrong, the floppy connector is actually
2375                  * a kind of media-bay and works with the current driver.
2376                  */
2377                 if (__raw_readl(mach_id_ptr) & 0x20000000UL)
2378                         pmac_mb.model_id = PMAC_TYPE_COMET;
2379                 iounmap(mach_id_ptr);
2380         }
2381 #endif /* CONFIG_POWER4 */
2382
2383 #ifdef CONFIG_6xx
2384         /* Set default value of powersave_nap on machines that support it.
2385          * It appears that uninorth rev 3 has a problem with it, we don't
2386          * enable it on those. In theory, the flush-on-lock property is
2387          * supposed to be set when not supported, but I'm not very confident
2388          * that all Apple OF revs did it properly, I do it the paranoid way.
2389          */
2390         while (uninorth_base && uninorth_rev > 3) {
2391                 struct device_node* np = find_path_device("/cpus");
2392                 if (!np || !np->child) {
2393                         printk(KERN_WARNING "Can't find CPU(s) in device tree !\n");
2394                         break;
2395                 }
2396                 np = np->child;
2397                 /* Nap mode not supported on SMP */
2398                 if (np->sibling)
2399                         break;
2400                 /* Nap mode not supported if flush-on-lock property is present */
2401                 if (get_property(np, "flush-on-lock", NULL))
2402                         break;
2403                 powersave_nap = 1;
2404                 printk(KERN_INFO "Processor NAP mode on idle enabled.\n");
2405                 break;
2406         }
2407
2408         /* On CPUs that support it (750FX), lowspeed by default during
2409          * NAP mode
2410          */
2411         powersave_lowspeed = 1;
2412 #endif /* CONFIG_6xx */
2413 #ifdef CONFIG_POWER4
2414         powersave_nap = 1;
2415 #endif
2416         /* Check for "mobile" machine */
2417         if (model && (strncmp(model, "PowerBook", 9) == 0
2418                    || strncmp(model, "iBook", 5) == 0))
2419                 pmac_mb.board_flags |= PMAC_MB_MOBILE;
2420
2421
2422         printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name);
2423         return 0;
2424 }
2425
2426 /* Initialize the Core99 UniNorth host bridge and memory controller
2427  */
2428 static void __init
2429 probe_uninorth(void)
2430 {
2431         unsigned long actrl;
2432
2433         /* Locate core99 Uni-N */
2434         uninorth_node = of_find_node_by_name(NULL, "uni-n");
2435         /* Locate G5 u3 */
2436         if (uninorth_node == NULL) {
2437                 uninorth_node = of_find_node_by_name(NULL, "u3");
2438                 uninorth_u3 = 1;
2439         }
2440         if (uninorth_node && uninorth_node->n_addrs > 0) {
2441                 unsigned long address = uninorth_node->addrs[0].address;
2442                 uninorth_base = ioremap(address, 0x40000);
2443                 uninorth_rev = in_be32(UN_REG(UNI_N_VERSION));
2444                 if (uninorth_u3)
2445                         u3_ht = ioremap(address + U3_HT_CONFIG_BASE, 0x1000);
2446         } else
2447                 uninorth_node = NULL;
2448
2449         if (!uninorth_node)
2450                 return;
2451
2452         printk(KERN_INFO "Found %s memory controller & host bridge, revision: %d\n",
2453                uninorth_u3 ? "U3" : "UniNorth", uninorth_rev);
2454         printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base);
2455
2456         /* Set the arbitrer QAck delay according to what Apple does
2457          */
2458         if (uninorth_rev < 0x11) {
2459                 actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK;
2460                 actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 :
2461                         UNI_N_ARB_CTRL_QACK_DELAY) << UNI_N_ARB_CTRL_QACK_DELAY_SHIFT;
2462                 UN_OUT(UNI_N_ARB_CTRL, actrl);
2463         }
2464
2465         /* Some more magic as done by them in recent MacOS X on UniNorth
2466          * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI
2467          * memory timeout
2468          */
2469         if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) || uninorth_rev == 0xc0)
2470                 UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff);
2471 }
2472
2473 static void __init
2474 probe_one_macio(const char* name, const char* compat, int type)
2475 {
2476         struct device_node*     node;
2477         int                     i;
2478         volatile u32 __iomem *  base;
2479         u32*                    revp;
2480
2481         node = find_devices(name);
2482         if (!node || !node->n_addrs)
2483                 return;
2484         if (compat)
2485                 do {
2486                         if (device_is_compatible(node, compat))
2487                                 break;
2488                         node = node->next;
2489                 } while (node);
2490         if (!node)
2491                 return;
2492         for(i=0; i<MAX_MACIO_CHIPS; i++) {
2493                 if (!macio_chips[i].of_node)
2494                         break;
2495                 if (macio_chips[i].of_node == node)
2496                         return;
2497         }
2498         if (i >= MAX_MACIO_CHIPS) {
2499                 printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n");
2500                 printk(KERN_ERR "pmac_feature: %s skipped\n", node->full_name);
2501                 return;
2502         }
2503         base = ioremap(node->addrs[0].address, node->addrs[0].size);
2504         if (!base) {
2505                 printk(KERN_ERR "pmac_feature: Can't map mac-io chip !\n");
2506                 return;
2507         }
2508         if (type == macio_keylargo) {
2509                 u32* did = (u32 *)get_property(node, "device-id", NULL);
2510                 if (*did == 0x00000025)
2511                         type = macio_pangea;
2512                 if (*did == 0x0000003e)
2513                         type = macio_intrepid;
2514         }
2515         macio_chips[i].of_node  = node;
2516         macio_chips[i].type     = type;
2517         macio_chips[i].base     = base;
2518         macio_chips[i].flags    = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON;
2519         macio_chips[i].name     = macio_names[type];
2520         revp = (u32 *)get_property(node, "revision-id", NULL);
2521         if (revp)
2522                 macio_chips[i].rev = *revp;
2523         printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n",
2524                 macio_names[type], macio_chips[i].rev, macio_chips[i].base);
2525 }
2526
2527 static int __init
2528 probe_macios(void)
2529 {
2530         /* Warning, ordering is important */
2531         probe_one_macio("gc", NULL, macio_grand_central);
2532         probe_one_macio("ohare", NULL, macio_ohare);
2533         probe_one_macio("pci106b,7", NULL, macio_ohareII);
2534         probe_one_macio("mac-io", "keylargo", macio_keylargo);
2535         probe_one_macio("mac-io", "paddington", macio_paddington);
2536         probe_one_macio("mac-io", "gatwick", macio_gatwick);
2537         probe_one_macio("mac-io", "heathrow", macio_heathrow);
2538         probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2);
2539
2540         /* Make sure the "main" macio chip appear first */
2541         if (macio_chips[0].type == macio_gatwick
2542             && macio_chips[1].type == macio_heathrow) {
2543                 struct macio_chip temp = macio_chips[0];
2544                 macio_chips[0] = macio_chips[1];
2545                 macio_chips[1] = temp;
2546         }
2547         if (macio_chips[0].type == macio_ohareII
2548             && macio_chips[1].type == macio_ohare) {
2549                 struct macio_chip temp = macio_chips[0];
2550                 macio_chips[0] = macio_chips[1];
2551                 macio_chips[1] = temp;
2552         }
2553         macio_chips[0].lbus.index = 0;
2554         macio_chips[1].lbus.index = 1;
2555
2556         return (macio_chips[0].of_node == NULL) ? -ENODEV : 0;
2557 }
2558
2559 static void __init
2560 initial_serial_shutdown(struct device_node* np)
2561 {
2562         int len;
2563         struct slot_names_prop {
2564                 int     count;
2565                 char    name[1];
2566         } *slots;
2567         char *conn;
2568         int port_type = PMAC_SCC_ASYNC;
2569         int modem = 0;
2570
2571         slots = (struct slot_names_prop *)get_property(np, "slot-names", &len);
2572         conn = get_property(np, "AAPL,connector", &len);
2573         if (conn && (strcmp(conn, "infrared") == 0))
2574                 port_type = PMAC_SCC_IRDA;
2575         else if (device_is_compatible(np, "cobalt"))
2576                 modem = 1;
2577         else if (slots && slots->count > 0) {
2578                 if (strcmp(slots->name, "IrDA") == 0)
2579                         port_type = PMAC_SCC_IRDA;
2580                 else if (strcmp(slots->name, "Modem") == 0)
2581                         modem = 1;
2582         }
2583         if (modem)
2584                 pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0);
2585         pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0);
2586 }
2587
2588 static void __init
2589 set_initial_features(void)
2590 {
2591         struct device_node* np;
2592
2593         /* That hack appears to be necessary for some StarMax motherboards
2594          * but I'm not too sure it was audited for side-effects on other
2595          * ohare based machines...
2596          * Since I still have difficulties figuring the right way to
2597          * differenciate them all and since that hack was there for a long
2598          * time, I'll keep it around
2599          */
2600         if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) {
2601                 struct macio_chip* macio = &macio_chips[0];
2602                 MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
2603         } else if (macio_chips[0].type == macio_ohare) {
2604                 struct macio_chip* macio = &macio_chips[0];
2605                 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2606         } else if (macio_chips[1].type == macio_ohare) {
2607                 struct macio_chip* macio = &macio_chips[1];
2608                 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
2609         }
2610
2611 #ifdef CONFIG_POWER4
2612         if (macio_chips[0].type == macio_keylargo2) {
2613 #ifndef CONFIG_SMP
2614                 /* On SMP machines running UP, we have the second CPU eating
2615                  * bus cycles. We need to take it off the bus. This is done
2616                  * from pmac_smp for SMP kernels running on one CPU
2617                  */
2618                 np = of_find_node_by_type(NULL, "cpu");
2619                 if (np != NULL)
2620                         np = of_find_node_by_type(np, "cpu");
2621                 if (np != NULL) {
2622                         g5_phy_disable_cpu1();
2623                         of_node_put(np);
2624                 }
2625 #endif /* CONFIG_SMP */
2626                 /* Enable GMAC for now for PCI probing. It will be disabled
2627                  * later on after PCI probe
2628                  */
2629                 np = of_find_node_by_name(NULL, "ethernet");
2630                 while(np) {
2631                         if (device_is_compatible(np, "K2-GMAC"))
2632                                 g5_gmac_enable(np, 0, 1);
2633                         np = of_find_node_by_name(np, "ethernet");
2634                 }
2635
2636                 /* Enable FW before PCI probe. Will be disabled later on
2637                  * Note: We should have a batter way to check that we are
2638                  * dealing with uninorth internal cell and not a PCI cell
2639                  * on the external PCI. The code below works though.
2640                  */
2641                 np = of_find_node_by_name(NULL, "firewire");
2642                 while(np) {
2643                         if (device_is_compatible(np, "pci106b,5811")) {
2644                                 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2645                                 g5_fw_enable(np, 0, 1);
2646                         }
2647                         np = of_find_node_by_name(np, "firewire");
2648                 }
2649         }
2650 #else /* CONFIG_POWER4 */
2651
2652         if (macio_chips[0].type == macio_keylargo ||
2653             macio_chips[0].type == macio_pangea ||
2654             macio_chips[0].type == macio_intrepid) {
2655                 /* Enable GMAC for now for PCI probing. It will be disabled
2656                  * later on after PCI probe
2657                  */
2658                 np = of_find_node_by_name(NULL, "ethernet");
2659                 while(np) {
2660                         if (np->parent
2661                             && device_is_compatible(np->parent, "uni-north")
2662                             && device_is_compatible(np, "gmac"))
2663                                 core99_gmac_enable(np, 0, 1);
2664                         np = of_find_node_by_name(np, "ethernet");
2665                 }
2666
2667                 /* Enable FW before PCI probe. Will be disabled later on
2668                  * Note: We should have a batter way to check that we are
2669                  * dealing with uninorth internal cell and not a PCI cell
2670                  * on the external PCI. The code below works though.
2671                  */
2672                 np = of_find_node_by_name(NULL, "firewire");
2673                 while(np) {
2674                         if (np->parent
2675                             && device_is_compatible(np->parent, "uni-north")
2676                             && (device_is_compatible(np, "pci106b,18") ||
2677                                 device_is_compatible(np, "pci106b,30") ||
2678                                 device_is_compatible(np, "pci11c1,5811"))) {
2679                                 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
2680                                 core99_firewire_enable(np, 0, 1);
2681                         }
2682                         np = of_find_node_by_name(np, "firewire");
2683                 }
2684
2685                 /* Enable ATA-100 before PCI probe. */
2686                 np = of_find_node_by_name(NULL, "ata-6");
2687                 while(np) {
2688                         if (np->parent
2689                             && device_is_compatible(np->parent, "uni-north")
2690                             && device_is_compatible(np, "kauai-ata")) {
2691                                 core99_ata100_enable(np, 1);
2692                         }
2693                         np = of_find_node_by_name(np, "ata-6");
2694                 }
2695
2696                 /* Switch airport off */
2697                 np = find_devices("radio");
2698                 while(np) {
2699                         if (np && np->parent == macio_chips[0].of_node) {
2700                                 macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON;
2701                                 core99_airport_enable(np, 0, 0);
2702                         }
2703                         np = np->next;
2704                 }
2705         }
2706
2707         /* On all machines that support sound PM, switch sound off */
2708         if (macio_chips[0].of_node)
2709                 pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE,
2710                         macio_chips[0].of_node, 0, 0);
2711
2712         /* While on some desktop G3s, we turn it back on */
2713         if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow
2714                 && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER ||
2715                     pmac_mb.model_id == PMAC_TYPE_SILK)) {
2716                 struct macio_chip* macio = &macio_chips[0];
2717                 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE);
2718                 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
2719         }
2720
2721         /* Hack for bumping clock speed on the new PowerBooks and the
2722          * iBook G4. This implements the "platform-do-clockspreading" OF
2723          * property. For safety, we also check the product ID in the
2724          * device-tree to make reasonably sure we won't set wrong values
2725          * in the clock chip.
2726          *
2727          * Of course, ultimately, we have to implement a real parser for
2728          * the platform-do-* stuff...
2729          */
2730         while (machine_is_compatible("PowerBook5,2") ||
2731                machine_is_compatible("PowerBook5,3") ||
2732                machine_is_compatible("PowerBook6,2") ||
2733                machine_is_compatible("PowerBook6,3")) {
2734                 struct device_node *ui2c = of_find_node_by_type(NULL, "i2c");
2735                 struct device_node *dt = of_find_node_by_name(NULL, "device-tree");
2736                 u8 buffer[9];
2737                 u32 *productID;
2738                 int i, rc, changed = 0;
2739                 
2740                 if (dt == NULL)
2741                         break;
2742                 productID = (u32 *)get_property(dt, "pid#", NULL);
2743                 if (productID == NULL)
2744                         break;
2745                 while(ui2c) {
2746                         struct device_node *p = of_get_parent(ui2c);
2747                         if (p && !strcmp(p->name, "uni-n"))
2748                                 break;
2749                         ui2c = of_find_node_by_type(ui2c, "i2c");
2750                 }
2751                 if (ui2c == NULL)
2752                         break;
2753                 DBG("Trying to bump clock speed for PID: %08x...\n", *productID);
2754                 rc = pmac_low_i2c_open(ui2c, 1);
2755                 if (rc != 0)
2756                         break;
2757                 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined);
2758                 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9);
2759                 DBG("read result: %d,", rc);
2760                 if (rc != 0) {
2761                         pmac_low_i2c_close(ui2c);
2762                         break;
2763                 }
2764                 for (i=0; i<9; i++)
2765                         DBG(" %02x", buffer[i]);
2766                 DBG("\n");
2767                 
2768                 switch(*productID) {
2769                 case 0x1182:    /* AlBook 12" rev 2 */
2770                 case 0x1183:    /* iBook G4 12" */
2771                         buffer[0] = (buffer[0] & 0x8f) | 0x70;
2772                         buffer[2] = (buffer[2] & 0x7f) | 0x00;
2773                         buffer[5] = (buffer[5] & 0x80) | 0x31;
2774                         buffer[6] = (buffer[6] & 0x40) | 0xb0;
2775                         buffer[7] = (buffer[7] & 0x00) | 0xc0;
2776                         buffer[8] = (buffer[8] & 0x00) | 0x30;
2777                         changed = 1;
2778                         break;
2779                 case 0x3142:    /* AlBook 15" (ATI M10) */
2780                 case 0x3143:    /* AlBook 17" (ATI M10) */
2781                         buffer[0] = (buffer[0] & 0xaf) | 0x50;
2782                         buffer[2] = (buffer[2] & 0x7f) | 0x00;
2783                         buffer[5] = (buffer[5] & 0x80) | 0x31;
2784                         buffer[6] = (buffer[6] & 0x40) | 0xb0;
2785                         buffer[7] = (buffer[7] & 0x00) | 0xd0;
2786                         buffer[8] = (buffer[8] & 0x00) | 0x30;
2787                         changed = 1;
2788                         break;
2789                 default:
2790                         DBG("i2c-hwclock: Machine model not handled\n");
2791                         break;
2792                 }
2793                 if (!changed) {
2794                         pmac_low_i2c_close(ui2c);
2795                         break;
2796                 }
2797                 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
2798                 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
2799                 DBG("write result: %d,", rc);
2800                 pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined);
2801                 rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9);
2802                 DBG("read result: %d,", rc);
2803                 if (rc != 0) {
2804                         pmac_low_i2c_close(ui2c);
2805                         break;
2806                 }
2807                 for (i=0; i<9; i++)
2808                         DBG(" %02x", buffer[i]);
2809                 pmac_low_i2c_close(ui2c);
2810                 break;
2811         }
2812
2813 #endif /* CONFIG_POWER4 */
2814
2815         /* On all machines, switch modem & serial ports off */
2816         np = find_devices("ch-a");
2817         while(np) {
2818                 initial_serial_shutdown(np);
2819                 np = np->next;
2820         }
2821         np = find_devices("ch-b");
2822         while(np) {
2823                 initial_serial_shutdown(np);
2824                 np = np->next;
2825         }
2826 }
2827
2828 void __init
2829 pmac_feature_init(void)
2830 {
2831         /* Detect the UniNorth memory controller */
2832         probe_uninorth();
2833
2834         /* Probe mac-io controllers */
2835         if (probe_macios()) {
2836                 printk(KERN_WARNING "No mac-io chip found\n");
2837                 return;
2838         }
2839
2840         /* Setup low-level i2c stuffs */
2841         pmac_init_low_i2c();
2842
2843         /* Probe machine type */
2844         if (probe_motherboard())
2845                 printk(KERN_WARNING "Unknown PowerMac !\n");
2846
2847         /* Set some initial features (turn off some chips that will
2848          * be later turned on)
2849          */
2850         set_initial_features();
2851 }
2852
2853 int __init
2854 pmac_feature_late_init(void)
2855 {
2856         struct device_node* np;
2857
2858         /* Request some resources late */
2859         if (uninorth_node)
2860                 request_OF_resource(uninorth_node, 0, NULL);
2861         np = find_devices("hammerhead");
2862         if (np)
2863                 request_OF_resource(np, 0, NULL);
2864         np = find_devices("interrupt-controller");
2865         if (np)
2866                 request_OF_resource(np, 0, NULL);
2867         return 0;
2868 }
2869
2870 device_initcall(pmac_feature_late_init);
2871
2872 #ifdef CONFIG_POWER4
2873
2874 static void dump_HT_speeds(char *name, u32 cfg, u32 frq)
2875 {
2876         int     freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 };
2877         int     bits[8] = { 8,16,0,32,2,4,0,0 };
2878         int     freq = (frq >> 8) & 0xf;
2879
2880         if (freqs[freq] == 0)
2881                 printk("%s: Unknown HT link frequency %x\n", name, freq);
2882         else
2883                 printk("%s: %d MHz on main link, (%d in / %d out) bits width\n",
2884                        name, freqs[freq],
2885                        bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]);
2886 }
2887
2888 void __init pmac_check_ht_link(void)
2889 {
2890         u32     ufreq, freq, ucfg, cfg;
2891         struct device_node *pcix_node;
2892         u8      px_bus, px_devfn;
2893         struct pci_controller *px_hose;
2894
2895         (void)in_be32(u3_ht + U3_HT_LINK_COMMAND);
2896         ucfg = cfg = in_be32(u3_ht + U3_HT_LINK_CONFIG);
2897         ufreq = freq = in_be32(u3_ht + U3_HT_LINK_FREQ);
2898         dump_HT_speeds("U3 HyperTransport", cfg, freq);
2899
2900         pcix_node = of_find_compatible_node(NULL, "pci", "pci-x");
2901         if (pcix_node == NULL) {
2902                 printk("No PCI-X bridge found\n");
2903                 return;
2904         }
2905         if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) {
2906                 printk("PCI-X bridge found but not matched to pci\n");
2907                 return;
2908         }
2909         px_hose = pci_find_hose_for_OF_device(pcix_node);
2910         if (px_hose == NULL) {
2911                 printk("PCI-X bridge found but not matched to host\n");
2912                 return;
2913         }       
2914         early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg);
2915         early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq);
2916         dump_HT_speeds("PCI-X HT Uplink", cfg, freq);
2917         early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg);
2918         early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq);
2919         dump_HT_speeds("PCI-X HT Downlink", cfg, freq);
2920 }
2921
2922 #endif /* CONFIG_POWER4 */
2923
2924 /*
2925  * Early video resume hook
2926  */
2927
2928 static void (*pmac_early_vresume_proc)(void *data) __pmacdata;
2929 static void *pmac_early_vresume_data __pmacdata;
2930
2931 void pmac_set_early_video_resume(void (*proc)(void *data), void *data)
2932 {
2933         if (_machine != _MACH_Pmac)
2934                 return;
2935         preempt_disable();
2936         pmac_early_vresume_proc = proc;
2937         pmac_early_vresume_data = data;
2938         preempt_enable();
2939 }
2940 EXPORT_SYMBOL(pmac_set_early_video_resume);
2941
2942 void __pmac pmac_call_early_video_resume(void)
2943 {
2944         if (pmac_early_vresume_proc)
2945                 pmac_early_vresume_proc(pmac_early_vresume_data);
2946 }
2947
2948 /*
2949  * AGP related suspend/resume code
2950  */
2951
2952 static struct pci_dev *pmac_agp_bridge __pmacdata;
2953 static int (*pmac_agp_suspend)(struct pci_dev *bridge) __pmacdata;
2954 static int (*pmac_agp_resume)(struct pci_dev *bridge) __pmacdata;
2955
2956 void __pmac pmac_register_agp_pm(struct pci_dev *bridge,
2957                                  int (*suspend)(struct pci_dev *bridge),
2958                                  int (*resume)(struct pci_dev *bridge))
2959 {
2960         if (suspend || resume) {
2961                 pmac_agp_bridge = bridge;
2962                 pmac_agp_suspend = suspend;
2963                 pmac_agp_resume = resume;
2964                 return;
2965         }
2966         if (bridge != pmac_agp_bridge)
2967                 return;
2968         pmac_agp_suspend = pmac_agp_resume = NULL;
2969         return;
2970 }
2971 EXPORT_SYMBOL(pmac_register_agp_pm);
2972
2973 void __pmac pmac_suspend_agp_for_card(struct pci_dev *dev)
2974 {
2975         if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL)
2976                 return;
2977         if (pmac_agp_bridge->bus != dev->bus)
2978                 return;
2979         pmac_agp_suspend(pmac_agp_bridge);
2980 }
2981 EXPORT_SYMBOL(pmac_suspend_agp_for_card);
2982
2983 void __pmac pmac_resume_agp_for_card(struct pci_dev *dev)
2984 {
2985         if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL)
2986                 return;
2987         if (pmac_agp_bridge->bus != dev->bus)
2988                 return;
2989         pmac_agp_resume(pmac_agp_bridge);
2990 }
2991 EXPORT_SYMBOL(pmac_resume_agp_for_card);