arch/powerpc/platforms/powermac/feature.c

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