1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (C) 1996-2001 Paul Mackerras (paulus@cs.anu.edu.au) 4 * Ben. Herrenschmidt (benh@kernel.crashing.org) 5 * 6 * TODO: 7 * 8 * - Replace mdelay with some schedule loop if possible 9 * - Shorten some obfuscated delays on some routines (like modem 10 * power) 11 * - Refcount some clocks (see darwin) 12 * - Split split split... 13 */ 14#include <linux/types.h> 15#include <linux/init.h> 16#include <linux/delay.h> 17#include <linux/kernel.h> 18#include <linux/sched.h> 19#include <linux/of.h> 20#include <linux/of_address.h> 21#include <linux/spinlock.h> 22#include <linux/adb.h> 23#include <linux/pmu.h> 24#include <linux/ioport.h> 25#include <linux/export.h> 26#include <linux/pci.h> 27#include <asm/sections.h> 28#include <asm/errno.h> 29#include <asm/ohare.h> 30#include <asm/heathrow.h> 31#include <asm/keylargo.h> 32#include <asm/uninorth.h> 33#include <asm/io.h> 34#include <asm/machdep.h> 35#include <asm/pmac_feature.h> 36#include <asm/dbdma.h> 37#include <asm/pci-bridge.h> 38#include <asm/pmac_low_i2c.h> 39 40#include "pmac.h" 41 42#undef DEBUG_FEATURE 43 44#ifdef DEBUG_FEATURE 45#define DBG(fmt...) printk(KERN_DEBUG fmt) 46#else 47#define DBG(fmt...) 48#endif 49 50#ifdef CONFIG_PPC_BOOK3S_32 51extern int powersave_lowspeed; 52#endif 53 54extern int powersave_nap; 55extern struct device_node *k2_skiplist[2]; 56 57/* 58 * We use a single global lock to protect accesses. Each driver has 59 * to take care of its own locking 60 */ 61DEFINE_RAW_SPINLOCK(feature_lock); 62 63#define LOCK(flags) raw_spin_lock_irqsave(&feature_lock, flags); 64#define UNLOCK(flags) raw_spin_unlock_irqrestore(&feature_lock, flags); 65 66 67/* 68 * Instance of some macio stuffs 69 */ 70struct macio_chip macio_chips[MAX_MACIO_CHIPS]; 71 72struct macio_chip *macio_find(struct device_node *child, int type) 73{ 74 while(child) { 75 int i; 76 77 for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++) 78 if (child == macio_chips[i].of_node && 79 (!type || macio_chips[i].type == type)) 80 return &macio_chips[i]; 81 child = child->parent; 82 } 83 return NULL; 84} 85EXPORT_SYMBOL_GPL(macio_find); 86 87static const char *macio_names[] = 88{ 89 "Unknown", 90 "Grand Central", 91 "OHare", 92 "OHareII", 93 "Heathrow", 94 "Gatwick", 95 "Paddington", 96 "Keylargo", 97 "Pangea", 98 "Intrepid", 99 "K2", 100 "Shasta", 101}; 102 103 104struct device_node *uninorth_node; 105u32 __iomem *uninorth_base; 106 107static u32 uninorth_rev; 108static int uninorth_maj; 109static void __iomem *u3_ht_base; 110 111/* 112 * For each motherboard family, we have a table of functions pointers 113 * that handle the various features. 114 */ 115 116typedef long (*feature_call)(struct device_node *node, long param, long value); 117 118struct feature_table_entry { 119 unsigned int selector; 120 feature_call function; 121}; 122 123struct pmac_mb_def 124{ 125 const char* model_string; 126 const char* model_name; 127 int model_id; 128 struct feature_table_entry* features; 129 unsigned long board_flags; 130}; 131static struct pmac_mb_def pmac_mb; 132 133/* 134 * Here are the chip specific feature functions 135 */ 136 137#ifndef CONFIG_PPC64 138 139static int simple_feature_tweak(struct device_node *node, int type, int reg, 140 u32 mask, int value) 141{ 142 struct macio_chip* macio; 143 unsigned long flags; 144 145 macio = macio_find(node, type); 146 if (!macio) 147 return -ENODEV; 148 LOCK(flags); 149 if (value) 150 MACIO_BIS(reg, mask); 151 else 152 MACIO_BIC(reg, mask); 153 (void)MACIO_IN32(reg); 154 UNLOCK(flags); 155 156 return 0; 157} 158 159static long ohare_htw_scc_enable(struct device_node *node, long param, 160 long value) 161{ 162 struct macio_chip* macio; 163 unsigned long chan_mask; 164 unsigned long fcr; 165 unsigned long flags; 166 int htw, trans; 167 unsigned long rmask; 168 169 macio = macio_find(node, 0); 170 if (!macio) 171 return -ENODEV; 172 if (of_node_name_eq(node, "ch-a")) 173 chan_mask = MACIO_FLAG_SCCA_ON; 174 else if (of_node_name_eq(node, "ch-b")) 175 chan_mask = MACIO_FLAG_SCCB_ON; 176 else 177 return -ENODEV; 178 179 htw = (macio->type == macio_heathrow || macio->type == macio_paddington 180 || macio->type == macio_gatwick); 181 /* On these machines, the HRW_SCC_TRANS_EN_N bit mustn't be touched */ 182 trans = (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && 183 pmac_mb.model_id != PMAC_TYPE_YIKES); 184 if (value) { 185#ifdef CONFIG_ADB_PMU 186 if ((param & 0xfff) == PMAC_SCC_IRDA) 187 pmu_enable_irled(1); 188#endif /* CONFIG_ADB_PMU */ 189 LOCK(flags); 190 fcr = MACIO_IN32(OHARE_FCR); 191 /* Check if scc cell need enabling */ 192 if (!(fcr & OH_SCC_ENABLE)) { 193 fcr |= OH_SCC_ENABLE; 194 if (htw) { 195 /* Side effect: this will also power up the 196 * modem, but it's too messy to figure out on which 197 * ports this controls the transceiver and on which 198 * it controls the modem 199 */ 200 if (trans) 201 fcr &= ~HRW_SCC_TRANS_EN_N; 202 MACIO_OUT32(OHARE_FCR, fcr); 203 fcr |= (rmask = HRW_RESET_SCC); 204 MACIO_OUT32(OHARE_FCR, fcr); 205 } else { 206 fcr |= (rmask = OH_SCC_RESET); 207 MACIO_OUT32(OHARE_FCR, fcr); 208 } 209 UNLOCK(flags); 210 (void)MACIO_IN32(OHARE_FCR); 211 mdelay(15); 212 LOCK(flags); 213 fcr &= ~rmask; 214 MACIO_OUT32(OHARE_FCR, fcr); 215 } 216 if (chan_mask & MACIO_FLAG_SCCA_ON) 217 fcr |= OH_SCCA_IO; 218 if (chan_mask & MACIO_FLAG_SCCB_ON) 219 fcr |= OH_SCCB_IO; 220 MACIO_OUT32(OHARE_FCR, fcr); 221 macio->flags |= chan_mask; 222 UNLOCK(flags); 223 if (param & PMAC_SCC_FLAG_XMON) 224 macio->flags |= MACIO_FLAG_SCC_LOCKED; 225 } else { 226 if (macio->flags & MACIO_FLAG_SCC_LOCKED) 227 return -EPERM; 228 LOCK(flags); 229 fcr = MACIO_IN32(OHARE_FCR); 230 if (chan_mask & MACIO_FLAG_SCCA_ON) 231 fcr &= ~OH_SCCA_IO; 232 if (chan_mask & MACIO_FLAG_SCCB_ON) 233 fcr &= ~OH_SCCB_IO; 234 MACIO_OUT32(OHARE_FCR, fcr); 235 if ((fcr & (OH_SCCA_IO | OH_SCCB_IO)) == 0) { 236 fcr &= ~OH_SCC_ENABLE; 237 if (htw && trans) 238 fcr |= HRW_SCC_TRANS_EN_N; 239 MACIO_OUT32(OHARE_FCR, fcr); 240 } 241 macio->flags &= ~(chan_mask); 242 UNLOCK(flags); 243 mdelay(10); 244#ifdef CONFIG_ADB_PMU 245 if ((param & 0xfff) == PMAC_SCC_IRDA) 246 pmu_enable_irled(0); 247#endif /* CONFIG_ADB_PMU */ 248 } 249 return 0; 250} 251 252static long ohare_floppy_enable(struct device_node *node, long param, 253 long value) 254{ 255 return simple_feature_tweak(node, macio_ohare, 256 OHARE_FCR, OH_FLOPPY_ENABLE, value); 257} 258 259static long ohare_mesh_enable(struct device_node *node, long param, long value) 260{ 261 return simple_feature_tweak(node, macio_ohare, 262 OHARE_FCR, OH_MESH_ENABLE, value); 263} 264 265static long ohare_ide_enable(struct device_node *node, long param, long value) 266{ 267 switch(param) { 268 case 0: 269 /* For some reason, setting the bit in set_initial_features() 270 * doesn't stick. I'm still investigating... --BenH. 271 */ 272 if (value) 273 simple_feature_tweak(node, macio_ohare, 274 OHARE_FCR, OH_IOBUS_ENABLE, 1); 275 return simple_feature_tweak(node, macio_ohare, 276 OHARE_FCR, OH_IDE0_ENABLE, value); 277 case 1: 278 return simple_feature_tweak(node, macio_ohare, 279 OHARE_FCR, OH_BAY_IDE_ENABLE, value); 280 default: 281 return -ENODEV; 282 } 283} 284 285static long ohare_ide_reset(struct device_node *node, long param, long value) 286{ 287 switch(param) { 288 case 0: 289 return simple_feature_tweak(node, macio_ohare, 290 OHARE_FCR, OH_IDE0_RESET_N, !value); 291 case 1: 292 return simple_feature_tweak(node, macio_ohare, 293 OHARE_FCR, OH_IDE1_RESET_N, !value); 294 default: 295 return -ENODEV; 296 } 297} 298 299static long ohare_sleep_state(struct device_node *node, long param, long value) 300{ 301 struct macio_chip* macio = &macio_chips[0]; 302 303 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) 304 return -EPERM; 305 if (value == 1) { 306 MACIO_BIC(OHARE_FCR, OH_IOBUS_ENABLE); 307 } else if (value == 0) { 308 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); 309 } 310 311 return 0; 312} 313 314static long heathrow_modem_enable(struct device_node *node, long param, 315 long value) 316{ 317 struct macio_chip* macio; 318 u8 gpio; 319 unsigned long flags; 320 321 macio = macio_find(node, macio_unknown); 322 if (!macio) 323 return -ENODEV; 324 gpio = MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1; 325 if (!value) { 326 LOCK(flags); 327 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); 328 UNLOCK(flags); 329 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); 330 mdelay(250); 331 } 332 if (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && 333 pmac_mb.model_id != PMAC_TYPE_YIKES) { 334 LOCK(flags); 335 if (value) 336 MACIO_BIC(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); 337 else 338 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); 339 UNLOCK(flags); 340 (void)MACIO_IN32(HEATHROW_FCR); 341 mdelay(250); 342 } 343 if (value) { 344 LOCK(flags); 345 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); 346 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); 347 UNLOCK(flags); mdelay(250); LOCK(flags); 348 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); 349 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); 350 UNLOCK(flags); mdelay(250); LOCK(flags); 351 MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); 352 (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); 353 UNLOCK(flags); mdelay(250); 354 } 355 return 0; 356} 357 358static long heathrow_floppy_enable(struct device_node *node, long param, 359 long value) 360{ 361 return simple_feature_tweak(node, macio_unknown, 362 HEATHROW_FCR, 363 HRW_SWIM_ENABLE|HRW_BAY_FLOPPY_ENABLE, 364 value); 365} 366 367static long heathrow_mesh_enable(struct device_node *node, long param, 368 long value) 369{ 370 struct macio_chip* macio; 371 unsigned long flags; 372 373 macio = macio_find(node, macio_unknown); 374 if (!macio) 375 return -ENODEV; 376 LOCK(flags); 377 /* Set clear mesh cell enable */ 378 if (value) 379 MACIO_BIS(HEATHROW_FCR, HRW_MESH_ENABLE); 380 else 381 MACIO_BIC(HEATHROW_FCR, HRW_MESH_ENABLE); 382 (void)MACIO_IN32(HEATHROW_FCR); 383 udelay(10); 384 /* Set/Clear termination power */ 385 if (value) 386 MACIO_BIC(HEATHROW_MBCR, 0x04000000); 387 else 388 MACIO_BIS(HEATHROW_MBCR, 0x04000000); 389 (void)MACIO_IN32(HEATHROW_MBCR); 390 udelay(10); 391 UNLOCK(flags); 392 393 return 0; 394} 395 396static long heathrow_ide_enable(struct device_node *node, long param, 397 long value) 398{ 399 switch(param) { 400 case 0: 401 return simple_feature_tweak(node, macio_unknown, 402 HEATHROW_FCR, HRW_IDE0_ENABLE, value); 403 case 1: 404 return simple_feature_tweak(node, macio_unknown, 405 HEATHROW_FCR, HRW_BAY_IDE_ENABLE, value); 406 default: 407 return -ENODEV; 408 } 409} 410 411static long heathrow_ide_reset(struct device_node *node, long param, 412 long value) 413{ 414 switch(param) { 415 case 0: 416 return simple_feature_tweak(node, macio_unknown, 417 HEATHROW_FCR, HRW_IDE0_RESET_N, !value); 418 case 1: 419 return simple_feature_tweak(node, macio_unknown, 420 HEATHROW_FCR, HRW_IDE1_RESET_N, !value); 421 default: 422 return -ENODEV; 423 } 424} 425 426static long heathrow_bmac_enable(struct device_node *node, long param, 427 long value) 428{ 429 struct macio_chip* macio; 430 unsigned long flags; 431 432 macio = macio_find(node, 0); 433 if (!macio) 434 return -ENODEV; 435 if (value) { 436 LOCK(flags); 437 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); 438 MACIO_BIS(HEATHROW_FCR, HRW_BMAC_RESET); 439 UNLOCK(flags); 440 (void)MACIO_IN32(HEATHROW_FCR); 441 mdelay(10); 442 LOCK(flags); 443 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_RESET); 444 UNLOCK(flags); 445 (void)MACIO_IN32(HEATHROW_FCR); 446 mdelay(10); 447 } else { 448 LOCK(flags); 449 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); 450 UNLOCK(flags); 451 } 452 return 0; 453} 454 455static long heathrow_sound_enable(struct device_node *node, long param, 456 long value) 457{ 458 struct macio_chip* macio; 459 unsigned long flags; 460 461 /* B&W G3 and Yikes don't support that properly (the 462 * sound appear to never come back after being shut down). 463 */ 464 if (pmac_mb.model_id == PMAC_TYPE_YOSEMITE || 465 pmac_mb.model_id == PMAC_TYPE_YIKES) 466 return 0; 467 468 macio = macio_find(node, 0); 469 if (!macio) 470 return -ENODEV; 471 if (value) { 472 LOCK(flags); 473 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); 474 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); 475 UNLOCK(flags); 476 (void)MACIO_IN32(HEATHROW_FCR); 477 } else { 478 LOCK(flags); 479 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); 480 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); 481 UNLOCK(flags); 482 } 483 return 0; 484} 485 486static u32 save_fcr[6]; 487static u32 save_mbcr; 488static struct dbdma_regs save_dbdma[13]; 489static struct dbdma_regs save_alt_dbdma[13]; 490 491static void dbdma_save(struct macio_chip *macio, struct dbdma_regs *save) 492{ 493 int i; 494 495 /* Save state & config of DBDMA channels */ 496 for (i = 0; i < 13; i++) { 497 volatile struct dbdma_regs __iomem * chan = (void __iomem *) 498 (macio->base + ((0x8000+i*0x100)>>2)); 499 save[i].cmdptr_hi = in_le32(&chan->cmdptr_hi); 500 save[i].cmdptr = in_le32(&chan->cmdptr); 501 save[i].intr_sel = in_le32(&chan->intr_sel); 502 save[i].br_sel = in_le32(&chan->br_sel); 503 save[i].wait_sel = in_le32(&chan->wait_sel); 504 } 505} 506 507static void dbdma_restore(struct macio_chip *macio, struct dbdma_regs *save) 508{ 509 int i; 510 511 /* Save state & config of DBDMA channels */ 512 for (i = 0; i < 13; i++) { 513 volatile struct dbdma_regs __iomem * chan = (void __iomem *) 514 (macio->base + ((0x8000+i*0x100)>>2)); 515 out_le32(&chan->control, (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16); 516 while (in_le32(&chan->status) & ACTIVE) 517 mb(); 518 out_le32(&chan->cmdptr_hi, save[i].cmdptr_hi); 519 out_le32(&chan->cmdptr, save[i].cmdptr); 520 out_le32(&chan->intr_sel, save[i].intr_sel); 521 out_le32(&chan->br_sel, save[i].br_sel); 522 out_le32(&chan->wait_sel, save[i].wait_sel); 523 } 524} 525 526static void heathrow_sleep(struct macio_chip *macio, int secondary) 527{ 528 if (secondary) { 529 dbdma_save(macio, save_alt_dbdma); 530 save_fcr[2] = MACIO_IN32(0x38); 531 save_fcr[3] = MACIO_IN32(0x3c); 532 } else { 533 dbdma_save(macio, save_dbdma); 534 save_fcr[0] = MACIO_IN32(0x38); 535 save_fcr[1] = MACIO_IN32(0x3c); 536 save_mbcr = MACIO_IN32(0x34); 537 /* Make sure sound is shut down */ 538 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); 539 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); 540 /* This seems to be necessary as well or the fan 541 * keeps coming up and battery drains fast */ 542 MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE); 543 MACIO_BIC(HEATHROW_FCR, HRW_IDE0_RESET_N); 544 /* Make sure eth is down even if module or sleep 545 * won't work properly */ 546 MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE | HRW_BMAC_RESET); 547 } 548 /* Make sure modem is shut down */ 549 MACIO_OUT8(HRW_GPIO_MODEM_RESET, 550 MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1); 551 MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); 552 MACIO_BIC(HEATHROW_FCR, OH_SCCA_IO|OH_SCCB_IO|HRW_SCC_ENABLE); 553 554 /* Let things settle */ 555 (void)MACIO_IN32(HEATHROW_FCR); 556} 557 558static void heathrow_wakeup(struct macio_chip *macio, int secondary) 559{ 560 if (secondary) { 561 MACIO_OUT32(0x38, save_fcr[2]); 562 (void)MACIO_IN32(0x38); 563 mdelay(1); 564 MACIO_OUT32(0x3c, save_fcr[3]); 565 (void)MACIO_IN32(0x38); 566 mdelay(10); 567 dbdma_restore(macio, save_alt_dbdma); 568 } else { 569 MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE); 570 (void)MACIO_IN32(0x38); 571 mdelay(1); 572 MACIO_OUT32(0x3c, save_fcr[1]); 573 (void)MACIO_IN32(0x38); 574 mdelay(1); 575 MACIO_OUT32(0x34, save_mbcr); 576 (void)MACIO_IN32(0x38); 577 mdelay(10); 578 dbdma_restore(macio, save_dbdma); 579 } 580} 581 582static long heathrow_sleep_state(struct device_node *node, long param, 583 long value) 584{ 585 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) 586 return -EPERM; 587 if (value == 1) { 588 if (macio_chips[1].type == macio_gatwick) 589 heathrow_sleep(&macio_chips[0], 1); 590 heathrow_sleep(&macio_chips[0], 0); 591 } else if (value == 0) { 592 heathrow_wakeup(&macio_chips[0], 0); 593 if (macio_chips[1].type == macio_gatwick) 594 heathrow_wakeup(&macio_chips[0], 1); 595 } 596 return 0; 597} 598 599static long core99_scc_enable(struct device_node *node, long param, long value) 600{ 601 struct macio_chip* macio; 602 unsigned long flags; 603 unsigned long chan_mask; 604 u32 fcr; 605 606 macio = macio_find(node, 0); 607 if (!macio) 608 return -ENODEV; 609 if (of_node_name_eq(node, "ch-a")) 610 chan_mask = MACIO_FLAG_SCCA_ON; 611 else if (of_node_name_eq(node, "ch-b")) 612 chan_mask = MACIO_FLAG_SCCB_ON; 613 else 614 return -ENODEV; 615 616 if (value) { 617 int need_reset_scc = 0; 618 int need_reset_irda = 0; 619 620 LOCK(flags); 621 fcr = MACIO_IN32(KEYLARGO_FCR0); 622 /* Check if scc cell need enabling */ 623 if (!(fcr & KL0_SCC_CELL_ENABLE)) { 624 fcr |= KL0_SCC_CELL_ENABLE; 625 need_reset_scc = 1; 626 } 627 if (chan_mask & MACIO_FLAG_SCCA_ON) { 628 fcr |= KL0_SCCA_ENABLE; 629 /* Don't enable line drivers for I2S modem */ 630 if ((param & 0xfff) == PMAC_SCC_I2S1) 631 fcr &= ~KL0_SCC_A_INTF_ENABLE; 632 else 633 fcr |= KL0_SCC_A_INTF_ENABLE; 634 } 635 if (chan_mask & MACIO_FLAG_SCCB_ON) { 636 fcr |= KL0_SCCB_ENABLE; 637 /* Perform irda specific inits */ 638 if ((param & 0xfff) == PMAC_SCC_IRDA) { 639 fcr &= ~KL0_SCC_B_INTF_ENABLE; 640 fcr |= KL0_IRDA_ENABLE; 641 fcr |= KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE; 642 fcr |= KL0_IRDA_SOURCE1_SEL; 643 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); 644 fcr &= ~(KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); 645 need_reset_irda = 1; 646 } else 647 fcr |= KL0_SCC_B_INTF_ENABLE; 648 } 649 MACIO_OUT32(KEYLARGO_FCR0, fcr); 650 macio->flags |= chan_mask; 651 if (need_reset_scc) { 652 MACIO_BIS(KEYLARGO_FCR0, KL0_SCC_RESET); 653 (void)MACIO_IN32(KEYLARGO_FCR0); 654 UNLOCK(flags); 655 mdelay(15); 656 LOCK(flags); 657 MACIO_BIC(KEYLARGO_FCR0, KL0_SCC_RESET); 658 } 659 if (need_reset_irda) { 660 MACIO_BIS(KEYLARGO_FCR0, KL0_IRDA_RESET); 661 (void)MACIO_IN32(KEYLARGO_FCR0); 662 UNLOCK(flags); 663 mdelay(15); 664 LOCK(flags); 665 MACIO_BIC(KEYLARGO_FCR0, KL0_IRDA_RESET); 666 } 667 UNLOCK(flags); 668 if (param & PMAC_SCC_FLAG_XMON) 669 macio->flags |= MACIO_FLAG_SCC_LOCKED; 670 } else { 671 if (macio->flags & MACIO_FLAG_SCC_LOCKED) 672 return -EPERM; 673 LOCK(flags); 674 fcr = MACIO_IN32(KEYLARGO_FCR0); 675 if (chan_mask & MACIO_FLAG_SCCA_ON) 676 fcr &= ~KL0_SCCA_ENABLE; 677 if (chan_mask & MACIO_FLAG_SCCB_ON) { 678 fcr &= ~KL0_SCCB_ENABLE; 679 /* Perform irda specific clears */ 680 if ((param & 0xfff) == PMAC_SCC_IRDA) { 681 fcr &= ~KL0_IRDA_ENABLE; 682 fcr &= ~(KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE); 683 fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); 684 fcr &= ~(KL0_IRDA_SOURCE1_SEL|KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); 685 } 686 } 687 MACIO_OUT32(KEYLARGO_FCR0, fcr); 688 if ((fcr & (KL0_SCCA_ENABLE | KL0_SCCB_ENABLE)) == 0) { 689 fcr &= ~KL0_SCC_CELL_ENABLE; 690 MACIO_OUT32(KEYLARGO_FCR0, fcr); 691 } 692 macio->flags &= ~(chan_mask); 693 UNLOCK(flags); 694 mdelay(10); 695 } 696 return 0; 697} 698 699static long 700core99_modem_enable(struct device_node *node, long param, long value) 701{ 702 struct macio_chip* macio; 703 u8 gpio; 704 unsigned long flags; 705 706 /* Hack for internal USB modem */ 707 if (node == NULL) { 708 if (macio_chips[0].type != macio_keylargo) 709 return -ENODEV; 710 node = macio_chips[0].of_node; 711 } 712 macio = macio_find(node, 0); 713 if (!macio) 714 return -ENODEV; 715 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); 716 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; 717 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; 718 719 if (!value) { 720 LOCK(flags); 721 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); 722 UNLOCK(flags); 723 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 724 mdelay(250); 725 } 726 LOCK(flags); 727 if (value) { 728 MACIO_BIC(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); 729 UNLOCK(flags); 730 (void)MACIO_IN32(KEYLARGO_FCR2); 731 mdelay(250); 732 } else { 733 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); 734 UNLOCK(flags); 735 } 736 if (value) { 737 LOCK(flags); 738 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); 739 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 740 UNLOCK(flags); mdelay(250); LOCK(flags); 741 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); 742 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 743 UNLOCK(flags); mdelay(250); LOCK(flags); 744 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); 745 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 746 UNLOCK(flags); mdelay(250); 747 } 748 return 0; 749} 750 751static long 752pangea_modem_enable(struct device_node *node, long param, long value) 753{ 754 struct macio_chip* macio; 755 u8 gpio; 756 unsigned long flags; 757 758 /* Hack for internal USB modem */ 759 if (node == NULL) { 760 if (macio_chips[0].type != macio_pangea && 761 macio_chips[0].type != macio_intrepid) 762 return -ENODEV; 763 node = macio_chips[0].of_node; 764 } 765 macio = macio_find(node, 0); 766 if (!macio) 767 return -ENODEV; 768 gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); 769 gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; 770 gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; 771 772 if (!value) { 773 LOCK(flags); 774 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); 775 UNLOCK(flags); 776 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 777 mdelay(250); 778 } 779 LOCK(flags); 780 if (value) { 781 MACIO_OUT8(KL_GPIO_MODEM_POWER, 782 KEYLARGO_GPIO_OUTPUT_ENABLE); 783 UNLOCK(flags); 784 (void)MACIO_IN32(KEYLARGO_FCR2); 785 mdelay(250); 786 } else { 787 MACIO_OUT8(KL_GPIO_MODEM_POWER, 788 KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA); 789 UNLOCK(flags); 790 } 791 if (value) { 792 LOCK(flags); 793 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); 794 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 795 UNLOCK(flags); mdelay(250); LOCK(flags); 796 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); 797 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 798 UNLOCK(flags); mdelay(250); LOCK(flags); 799 MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); 800 (void)MACIO_IN8(KL_GPIO_MODEM_RESET); 801 UNLOCK(flags); mdelay(250); 802 } 803 return 0; 804} 805 806static long 807core99_ata100_enable(struct device_node *node, long value) 808{ 809 unsigned long flags; 810 struct pci_dev *pdev = NULL; 811 u8 pbus, pid; 812 int rc; 813 814 if (uninorth_rev < 0x24) 815 return -ENODEV; 816 817 LOCK(flags); 818 if (value) 819 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); 820 else 821 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); 822 (void)UN_IN(UNI_N_CLOCK_CNTL); 823 UNLOCK(flags); 824 udelay(20); 825 826 if (value) { 827 if (pci_device_from_OF_node(node, &pbus, &pid) == 0) 828 pdev = pci_get_domain_bus_and_slot(0, pbus, pid); 829 if (pdev == NULL) 830 return 0; 831 rc = pci_enable_device(pdev); 832 if (rc == 0) 833 pci_set_master(pdev); 834 pci_dev_put(pdev); 835 if (rc) 836 return rc; 837 } 838 return 0; 839} 840 841static long 842core99_ide_enable(struct device_node *node, long param, long value) 843{ 844 /* Bus ID 0 to 2 are KeyLargo based IDE, busID 3 is U2 845 * based ata-100 846 */ 847 switch(param) { 848 case 0: 849 return simple_feature_tweak(node, macio_unknown, 850 KEYLARGO_FCR1, KL1_EIDE0_ENABLE, value); 851 case 1: 852 return simple_feature_tweak(node, macio_unknown, 853 KEYLARGO_FCR1, KL1_EIDE1_ENABLE, value); 854 case 2: 855 return simple_feature_tweak(node, macio_unknown, 856 KEYLARGO_FCR1, KL1_UIDE_ENABLE, value); 857 case 3: 858 return core99_ata100_enable(node, value); 859 default: 860 return -ENODEV; 861 } 862} 863 864static long 865core99_ide_reset(struct device_node *node, long param, long value) 866{ 867 switch(param) { 868 case 0: 869 return simple_feature_tweak(node, macio_unknown, 870 KEYLARGO_FCR1, KL1_EIDE0_RESET_N, !value); 871 case 1: 872 return simple_feature_tweak(node, macio_unknown, 873 KEYLARGO_FCR1, KL1_EIDE1_RESET_N, !value); 874 case 2: 875 return simple_feature_tweak(node, macio_unknown, 876 KEYLARGO_FCR1, KL1_UIDE_RESET_N, !value); 877 default: 878 return -ENODEV; 879 } 880} 881 882static long 883core99_gmac_enable(struct device_node *node, long param, long value) 884{ 885 unsigned long flags; 886 887 LOCK(flags); 888 if (value) 889 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); 890 else 891 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); 892 (void)UN_IN(UNI_N_CLOCK_CNTL); 893 UNLOCK(flags); 894 udelay(20); 895 896 return 0; 897} 898 899static long 900core99_gmac_phy_reset(struct device_node *node, long param, long value) 901{ 902 unsigned long flags; 903 struct macio_chip *macio; 904 905 macio = &macio_chips[0]; 906 if (macio->type != macio_keylargo && macio->type != macio_pangea && 907 macio->type != macio_intrepid) 908 return -ENODEV; 909 910 LOCK(flags); 911 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, KEYLARGO_GPIO_OUTPUT_ENABLE); 912 (void)MACIO_IN8(KL_GPIO_ETH_PHY_RESET); 913 UNLOCK(flags); 914 mdelay(10); 915 LOCK(flags); 916 MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, /*KEYLARGO_GPIO_OUTPUT_ENABLE | */ 917 KEYLARGO_GPIO_OUTOUT_DATA); 918 UNLOCK(flags); 919 mdelay(10); 920 921 return 0; 922} 923 924static long 925core99_sound_chip_enable(struct device_node *node, long param, long value) 926{ 927 struct macio_chip* macio; 928 unsigned long flags; 929 930 macio = macio_find(node, 0); 931 if (!macio) 932 return -ENODEV; 933 934 /* Do a better probe code, screamer G4 desktops & 935 * iMacs can do that too, add a recalibrate in 936 * the driver as well 937 */ 938 if (pmac_mb.model_id == PMAC_TYPE_PISMO || 939 pmac_mb.model_id == PMAC_TYPE_TITANIUM) { 940 LOCK(flags); 941 if (value) 942 MACIO_OUT8(KL_GPIO_SOUND_POWER, 943 KEYLARGO_GPIO_OUTPUT_ENABLE | 944 KEYLARGO_GPIO_OUTOUT_DATA); 945 else 946 MACIO_OUT8(KL_GPIO_SOUND_POWER, 947 KEYLARGO_GPIO_OUTPUT_ENABLE); 948 (void)MACIO_IN8(KL_GPIO_SOUND_POWER); 949 UNLOCK(flags); 950 } 951 return 0; 952} 953 954static long 955core99_airport_enable(struct device_node *node, long param, long value) 956{ 957 struct macio_chip* macio; 958 unsigned long flags; 959 int state; 960 961 macio = macio_find(node, 0); 962 if (!macio) 963 return -ENODEV; 964 965 /* Hint: we allow passing of macio itself for the sake of the 966 * sleep code 967 */ 968 if (node != macio->of_node && 969 (!node->parent || node->parent != macio->of_node)) 970 return -ENODEV; 971 state = (macio->flags & MACIO_FLAG_AIRPORT_ON) != 0; 972 if (value == state) 973 return 0; 974 if (value) { 975 /* This code is a reproduction of OF enable-cardslot 976 * and init-wireless methods, slightly hacked until 977 * I got it working. 978 */ 979 LOCK(flags); 980 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 5); 981 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); 982 UNLOCK(flags); 983 mdelay(10); 984 LOCK(flags); 985 MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 4); 986 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); 987 UNLOCK(flags); 988 989 mdelay(10); 990 991 LOCK(flags); 992 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); 993 (void)MACIO_IN32(KEYLARGO_FCR2); 994 udelay(10); 995 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xb, 0); 996 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xb); 997 udelay(10); 998 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xa, 0x28); 999 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xa); 1000 udelay(10); 1001 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xd, 0x28); 1002 (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xd); 1003 udelay(10); 1004 MACIO_OUT8(KEYLARGO_GPIO_0+0xd, 0x28); 1005 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xd); 1006 udelay(10); 1007 MACIO_OUT8(KEYLARGO_GPIO_0+0xe, 0x28); 1008 (void)MACIO_IN8(KEYLARGO_GPIO_0+0xe); 1009 UNLOCK(flags); 1010 udelay(10); 1011 MACIO_OUT32(0x1c000, 0); 1012 mdelay(1); 1013 MACIO_OUT8(0x1a3e0, 0x41); 1014 (void)MACIO_IN8(0x1a3e0); 1015 udelay(10); 1016 LOCK(flags); 1017 MACIO_BIS(KEYLARGO_FCR2, KL2_CARDSEL_16); 1018 (void)MACIO_IN32(KEYLARGO_FCR2); 1019 UNLOCK(flags); 1020 mdelay(100); 1021 1022 macio->flags |= MACIO_FLAG_AIRPORT_ON; 1023 } else { 1024 LOCK(flags); 1025 MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); 1026 (void)MACIO_IN32(KEYLARGO_FCR2); 1027 MACIO_OUT8(KL_GPIO_AIRPORT_0, 0); 1028 MACIO_OUT8(KL_GPIO_AIRPORT_1, 0); 1029 MACIO_OUT8(KL_GPIO_AIRPORT_2, 0); 1030 MACIO_OUT8(KL_GPIO_AIRPORT_3, 0); 1031 MACIO_OUT8(KL_GPIO_AIRPORT_4, 0); 1032 (void)MACIO_IN8(KL_GPIO_AIRPORT_4); 1033 UNLOCK(flags); 1034 1035 macio->flags &= ~MACIO_FLAG_AIRPORT_ON; 1036 } 1037 return 0; 1038} 1039 1040#ifdef CONFIG_SMP 1041static long 1042core99_reset_cpu(struct device_node *node, long param, long value) 1043{ 1044 unsigned int reset_io = 0; 1045 unsigned long flags; 1046 struct macio_chip *macio; 1047 struct device_node *np; 1048 const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0, 1049 KL_GPIO_RESET_CPU1, 1050 KL_GPIO_RESET_CPU2, 1051 KL_GPIO_RESET_CPU3 }; 1052 1053 macio = &macio_chips[0]; 1054 if (macio->type != macio_keylargo) 1055 return -ENODEV; 1056 1057 for_each_of_cpu_node(np) { 1058 const u32 *rst = of_get_property(np, "soft-reset", NULL); 1059 if (!rst) 1060 continue; 1061 if (param == of_get_cpu_hwid(np, 0)) { 1062 of_node_put(np); 1063 reset_io = *rst; 1064 break; 1065 } 1066 } 1067 if (np == NULL || reset_io == 0) 1068 reset_io = dflt_reset_lines[param]; 1069 1070 LOCK(flags); 1071 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); 1072 (void)MACIO_IN8(reset_io); 1073 udelay(1); 1074 MACIO_OUT8(reset_io, 0); 1075 (void)MACIO_IN8(reset_io); 1076 UNLOCK(flags); 1077 1078 return 0; 1079} 1080#endif /* CONFIG_SMP */ 1081 1082static long 1083core99_usb_enable(struct device_node *node, long param, long value) 1084{ 1085 struct macio_chip *macio; 1086 unsigned long flags; 1087 const char *prop; 1088 int number; 1089 u32 reg; 1090 1091 macio = &macio_chips[0]; 1092 if (macio->type != macio_keylargo && macio->type != macio_pangea && 1093 macio->type != macio_intrepid) 1094 return -ENODEV; 1095 1096 prop = of_get_property(node, "AAPL,clock-id", NULL); 1097 if (!prop) 1098 return -ENODEV; 1099 if (strncmp(prop, "usb0u048", 8) == 0) 1100 number = 0; 1101 else if (strncmp(prop, "usb1u148", 8) == 0) 1102 number = 2; 1103 else if (strncmp(prop, "usb2u248", 8) == 0) 1104 number = 4; 1105 else 1106 return -ENODEV; 1107 1108 /* Sorry for the brute-force locking, but this is only used during 1109 * sleep and the timing seem to be critical 1110 */ 1111 LOCK(flags); 1112 if (value) { 1113 /* Turn ON */ 1114 if (number == 0) { 1115 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); 1116 (void)MACIO_IN32(KEYLARGO_FCR0); 1117 UNLOCK(flags); 1118 mdelay(1); 1119 LOCK(flags); 1120 MACIO_BIS(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); 1121 } else if (number == 2) { 1122 MACIO_BIC(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); 1123 UNLOCK(flags); 1124 (void)MACIO_IN32(KEYLARGO_FCR0); 1125 mdelay(1); 1126 LOCK(flags); 1127 MACIO_BIS(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); 1128 } else if (number == 4) { 1129 MACIO_BIC(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); 1130 UNLOCK(flags); 1131 (void)MACIO_IN32(KEYLARGO_FCR1); 1132 mdelay(1); 1133 LOCK(flags); 1134 MACIO_BIS(KEYLARGO_FCR1, KL1_USB2_CELL_ENABLE); 1135 } 1136 if (number < 4) { 1137 reg = MACIO_IN32(KEYLARGO_FCR4); 1138 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | 1139 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number)); 1140 reg &= ~(KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | 1141 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1)); 1142 MACIO_OUT32(KEYLARGO_FCR4, reg); 1143 (void)MACIO_IN32(KEYLARGO_FCR4); 1144 udelay(10); 1145 } else { 1146 reg = MACIO_IN32(KEYLARGO_FCR3); 1147 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | 1148 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0)); 1149 reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | 1150 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1)); 1151 MACIO_OUT32(KEYLARGO_FCR3, reg); 1152 (void)MACIO_IN32(KEYLARGO_FCR3); 1153 udelay(10); 1154 } 1155 if (macio->type == macio_intrepid) { 1156 /* wait for clock stopped bits to clear */ 1157 u32 test0 = 0, test1 = 0; 1158 u32 status0, status1; 1159 int timeout = 1000; 1160 1161 UNLOCK(flags); 1162 switch (number) { 1163 case 0: 1164 test0 = UNI_N_CLOCK_STOPPED_USB0; 1165 test1 = UNI_N_CLOCK_STOPPED_USB0PCI; 1166 break; 1167 case 2: 1168 test0 = UNI_N_CLOCK_STOPPED_USB1; 1169 test1 = UNI_N_CLOCK_STOPPED_USB1PCI; 1170 break; 1171 case 4: 1172 test0 = UNI_N_CLOCK_STOPPED_USB2; 1173 test1 = UNI_N_CLOCK_STOPPED_USB2PCI; 1174 break; 1175 } 1176 do { 1177 if (--timeout <= 0) { 1178 printk(KERN_ERR "core99_usb_enable: " 1179 "Timeout waiting for clocks\n"); 1180 break; 1181 } 1182 mdelay(1); 1183 status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0); 1184 status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1); 1185 } while ((status0 & test0) | (status1 & test1)); 1186 LOCK(flags); 1187 } 1188 } else { 1189 /* Turn OFF */ 1190 if (number < 4) { 1191 reg = MACIO_IN32(KEYLARGO_FCR4); 1192 reg |= KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | 1193 KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number); 1194 reg |= KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | 1195 KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1); 1196 MACIO_OUT32(KEYLARGO_FCR4, reg); 1197 (void)MACIO_IN32(KEYLARGO_FCR4); 1198 udelay(1); 1199 } else { 1200 reg = MACIO_IN32(KEYLARGO_FCR3); 1201 reg |= KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | 1202 KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0); 1203 reg |= KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | 1204 KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1); 1205 MACIO_OUT32(KEYLARGO_FCR3, reg); 1206 (void)MACIO_IN32(KEYLARGO_FCR3); 1207 udelay(1); 1208 } 1209 if (number == 0) { 1210 if (macio->type != macio_intrepid) 1211 MACIO_BIC(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); 1212 (void)MACIO_IN32(KEYLARGO_FCR0); 1213 udelay(1); 1214 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); 1215 (void)MACIO_IN32(KEYLARGO_FCR0); 1216 } else if (number == 2) { 1217 if (macio->type != macio_intrepid) 1218 MACIO_BIC(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); 1219 (void)MACIO_IN32(KEYLARGO_FCR0); 1220 udelay(1); 1221 MACIO_BIS(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); 1222 (void)MACIO_IN32(KEYLARGO_FCR0); 1223 } else if (number == 4) { 1224 udelay(1); 1225 MACIO_BIS(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); 1226 (void)MACIO_IN32(KEYLARGO_FCR1); 1227 } 1228 udelay(1); 1229 } 1230 UNLOCK(flags); 1231 1232 return 0; 1233} 1234 1235static long 1236core99_firewire_enable(struct device_node *node, long param, long value) 1237{ 1238 unsigned long flags; 1239 struct macio_chip *macio; 1240 1241 macio = &macio_chips[0]; 1242 if (macio->type != macio_keylargo && macio->type != macio_pangea && 1243 macio->type != macio_intrepid) 1244 return -ENODEV; 1245 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) 1246 return -ENODEV; 1247 1248 LOCK(flags); 1249 if (value) { 1250 UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); 1251 (void)UN_IN(UNI_N_CLOCK_CNTL); 1252 } else { 1253 UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); 1254 (void)UN_IN(UNI_N_CLOCK_CNTL); 1255 } 1256 UNLOCK(flags); 1257 mdelay(1); 1258 1259 return 0; 1260} 1261 1262static long 1263core99_firewire_cable_power(struct device_node *node, long param, long value) 1264{ 1265 unsigned long flags; 1266 struct macio_chip *macio; 1267 1268 /* Trick: we allow NULL node */ 1269 if ((pmac_mb.board_flags & PMAC_MB_HAS_FW_POWER) == 0) 1270 return -ENODEV; 1271 macio = &macio_chips[0]; 1272 if (macio->type != macio_keylargo && macio->type != macio_pangea && 1273 macio->type != macio_intrepid) 1274 return -ENODEV; 1275 if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) 1276 return -ENODEV; 1277 1278 LOCK(flags); 1279 if (value) { 1280 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 0); 1281 MACIO_IN8(KL_GPIO_FW_CABLE_POWER); 1282 udelay(10); 1283 } else { 1284 MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 4); 1285 MACIO_IN8(KL_GPIO_FW_CABLE_POWER); udelay(10); 1286 } 1287 UNLOCK(flags); 1288 mdelay(1); 1289 1290 return 0; 1291} 1292 1293static long 1294intrepid_aack_delay_enable(struct device_node *node, long param, long value) 1295{ 1296 unsigned long flags; 1297 1298 if (uninorth_rev < 0xd2) 1299 return -ENODEV; 1300 1301 LOCK(flags); 1302 if (param) 1303 UN_BIS(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); 1304 else 1305 UN_BIC(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); 1306 UNLOCK(flags); 1307 1308 return 0; 1309} 1310 1311 1312#endif /* CONFIG_PPC64 */ 1313 1314static long 1315core99_read_gpio(struct device_node *node, long param, long value) 1316{ 1317 struct macio_chip *macio = &macio_chips[0]; 1318 1319 return MACIO_IN8(param); 1320} 1321 1322 1323static long 1324core99_write_gpio(struct device_node *node, long param, long value) 1325{ 1326 struct macio_chip *macio = &macio_chips[0]; 1327 1328 MACIO_OUT8(param, (u8)(value & 0xff)); 1329 return 0; 1330} 1331 1332#ifdef CONFIG_PPC64 1333static long g5_gmac_enable(struct device_node *node, long param, long value) 1334{ 1335 struct macio_chip *macio = &macio_chips[0]; 1336 unsigned long flags; 1337 1338 if (node == NULL) 1339 return -ENODEV; 1340 1341 LOCK(flags); 1342 if (value) { 1343 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); 1344 mb(); 1345 k2_skiplist[0] = NULL; 1346 } else { 1347 k2_skiplist[0] = node; 1348 mb(); 1349 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); 1350 } 1351 1352 UNLOCK(flags); 1353 mdelay(1); 1354 1355 return 0; 1356} 1357 1358static long g5_fw_enable(struct device_node *node, long param, long value) 1359{ 1360 struct macio_chip *macio = &macio_chips[0]; 1361 unsigned long flags; 1362 1363 if (node == NULL) 1364 return -ENODEV; 1365 1366 LOCK(flags); 1367 if (value) { 1368 MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); 1369 mb(); 1370 k2_skiplist[1] = NULL; 1371 } else { 1372 k2_skiplist[1] = node; 1373 mb(); 1374 MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); 1375 } 1376 1377 UNLOCK(flags); 1378 mdelay(1); 1379 1380 return 0; 1381} 1382 1383static long g5_mpic_enable(struct device_node *node, long param, long value) 1384{ 1385 unsigned long flags; 1386 struct device_node *parent = of_get_parent(node); 1387 int is_u3; 1388 1389 if (parent == NULL) 1390 return 0; 1391 is_u3 = of_node_name_eq(parent, "u3") || of_node_name_eq(parent, "u4"); 1392 of_node_put(parent); 1393 if (!is_u3) 1394 return 0; 1395 1396 LOCK(flags); 1397 UN_BIS(U3_TOGGLE_REG, U3_MPIC_RESET | U3_MPIC_OUTPUT_ENABLE); 1398 UNLOCK(flags); 1399 1400 return 0; 1401} 1402 1403static long g5_eth_phy_reset(struct device_node *node, long param, long value) 1404{ 1405 struct macio_chip *macio = &macio_chips[0]; 1406 struct device_node *phy; 1407 int need_reset; 1408 1409 /* 1410 * We must not reset the combo PHYs, only the BCM5221 found in 1411 * the iMac G5. 1412 */ 1413 phy = of_get_next_child(node, NULL); 1414 if (!phy) 1415 return -ENODEV; 1416 need_reset = of_device_is_compatible(phy, "B5221"); 1417 of_node_put(phy); 1418 if (!need_reset) 1419 return 0; 1420 1421 /* PHY reset is GPIO 29, not in device-tree unfortunately */ 1422 MACIO_OUT8(K2_GPIO_EXTINT_0 + 29, 1423 KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA); 1424 /* Thankfully, this is now always called at a time when we can 1425 * schedule by sungem. 1426 */ 1427 msleep(10); 1428 MACIO_OUT8(K2_GPIO_EXTINT_0 + 29, 0); 1429 1430 return 0; 1431} 1432 1433static long g5_i2s_enable(struct device_node *node, long param, long value) 1434{ 1435 /* Very crude implementation for now */ 1436 struct macio_chip *macio = &macio_chips[0]; 1437 unsigned long flags; 1438 int cell; 1439 u32 fcrs[3][3] = { 1440 { 0, 1441 K2_FCR1_I2S0_CELL_ENABLE | 1442 K2_FCR1_I2S0_CLK_ENABLE_BIT | K2_FCR1_I2S0_ENABLE, 1443 KL3_I2S0_CLK18_ENABLE 1444 }, 1445 { KL0_SCC_A_INTF_ENABLE, 1446 K2_FCR1_I2S1_CELL_ENABLE | 1447 K2_FCR1_I2S1_CLK_ENABLE_BIT | K2_FCR1_I2S1_ENABLE, 1448 KL3_I2S1_CLK18_ENABLE 1449 }, 1450 { KL0_SCC_B_INTF_ENABLE, 1451 SH_FCR1_I2S2_CELL_ENABLE | 1452 SH_FCR1_I2S2_CLK_ENABLE_BIT | SH_FCR1_I2S2_ENABLE, 1453 SH_FCR3_I2S2_CLK18_ENABLE 1454 }, 1455 }; 1456 1457 if (macio->type != macio_keylargo2 && macio->type != macio_shasta) 1458 return -ENODEV; 1459 if (strncmp(node->name, "i2s-", 4)) 1460 return -ENODEV; 1461 cell = node->name[4] - 'a'; 1462 switch(cell) { 1463 case 0: 1464 case 1: 1465 break; 1466 case 2: 1467 if (macio->type == macio_shasta) 1468 break; 1469 fallthrough; 1470 default: 1471 return -ENODEV; 1472 } 1473 1474 LOCK(flags); 1475 if (value) { 1476 MACIO_BIC(KEYLARGO_FCR0, fcrs[cell][0]); 1477 MACIO_BIS(KEYLARGO_FCR1, fcrs[cell][1]); 1478 MACIO_BIS(KEYLARGO_FCR3, fcrs[cell][2]); 1479 } else { 1480 MACIO_BIC(KEYLARGO_FCR3, fcrs[cell][2]); 1481 MACIO_BIC(KEYLARGO_FCR1, fcrs[cell][1]); 1482 MACIO_BIS(KEYLARGO_FCR0, fcrs[cell][0]); 1483 } 1484 udelay(10); 1485 UNLOCK(flags); 1486 1487 return 0; 1488} 1489 1490 1491#ifdef CONFIG_SMP 1492static long g5_reset_cpu(struct device_node *node, long param, long value) 1493{ 1494 unsigned int reset_io = 0; 1495 unsigned long flags; 1496 struct macio_chip *macio; 1497 struct device_node *np; 1498 1499 macio = &macio_chips[0]; 1500 if (macio->type != macio_keylargo2 && macio->type != macio_shasta) 1501 return -ENODEV; 1502 1503 for_each_of_cpu_node(np) { 1504 const u32 *rst = of_get_property(np, "soft-reset", NULL); 1505 if (!rst) 1506 continue; 1507 if (param == of_get_cpu_hwid(np, 0)) { 1508 of_node_put(np); 1509 reset_io = *rst; 1510 break; 1511 } 1512 } 1513 if (np == NULL || reset_io == 0) 1514 return -ENODEV; 1515 1516 LOCK(flags); 1517 MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); 1518 (void)MACIO_IN8(reset_io); 1519 udelay(1); 1520 MACIO_OUT8(reset_io, 0); 1521 (void)MACIO_IN8(reset_io); 1522 UNLOCK(flags); 1523 1524 return 0; 1525} 1526#endif /* CONFIG_SMP */ 1527 1528/* 1529 * This can be called from pmac_smp so isn't static 1530 * 1531 * This takes the second CPU off the bus on dual CPU machines 1532 * running UP 1533 */ 1534void __init g5_phy_disable_cpu1(void) 1535{ 1536 if (uninorth_maj == 3) 1537 UN_OUT(U3_API_PHY_CONFIG_1, 0); 1538} 1539#endif /* CONFIG_PPC64 */ 1540 1541#ifndef CONFIG_PPC64 1542 1543 1544#ifdef CONFIG_PM 1545static u32 save_gpio_levels[2]; 1546static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT]; 1547static u8 save_gpio_normal[KEYLARGO_GPIO_CNT]; 1548static u32 save_unin_clock_ctl; 1549 1550static void keylargo_shutdown(struct macio_chip *macio, int sleep_mode) 1551{ 1552 u32 temp; 1553 1554 if (sleep_mode) { 1555 mdelay(1); 1556 MACIO_BIS(KEYLARGO_FCR0, KL0_USB_REF_SUSPEND); 1557 (void)MACIO_IN32(KEYLARGO_FCR0); 1558 mdelay(1); 1559 } 1560 1561 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | 1562 KL0_SCC_CELL_ENABLE | 1563 KL0_IRDA_ENABLE | KL0_IRDA_CLK32_ENABLE | 1564 KL0_IRDA_CLK19_ENABLE); 1565 1566 MACIO_BIC(KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK); 1567 MACIO_BIS(KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE); 1568 1569 MACIO_BIC(KEYLARGO_FCR1, 1570 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | 1571 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | 1572 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | 1573 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | 1574 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | 1575 KL1_EIDE0_ENABLE | KL1_EIDE0_RESET_N | 1576 KL1_EIDE1_ENABLE | KL1_EIDE1_RESET_N | 1577 KL1_UIDE_ENABLE); 1578 1579 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); 1580 MACIO_BIC(KEYLARGO_FCR2, KL2_IOBUS_ENABLE); 1581 1582 temp = MACIO_IN32(KEYLARGO_FCR3); 1583 if (macio->rev >= 2) { 1584 temp |= KL3_SHUTDOWN_PLL2X; 1585 if (sleep_mode) 1586 temp |= KL3_SHUTDOWN_PLL_TOTAL; 1587 } 1588 1589 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | 1590 KL3_SHUTDOWN_PLLKW35; 1591 if (sleep_mode) 1592 temp |= KL3_SHUTDOWN_PLLKW12; 1593 temp &= ~(KL3_CLK66_ENABLE | KL3_CLK49_ENABLE | KL3_CLK45_ENABLE 1594 | KL3_CLK31_ENABLE | KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); 1595 if (sleep_mode) 1596 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_VIA_CLK16_ENABLE); 1597 MACIO_OUT32(KEYLARGO_FCR3, temp); 1598 1599 /* Flush posted writes & wait a bit */ 1600 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); 1601} 1602 1603static void pangea_shutdown(struct macio_chip *macio, int sleep_mode) 1604{ 1605 u32 temp; 1606 1607 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | 1608 KL0_SCC_CELL_ENABLE | 1609 KL0_USB0_CELL_ENABLE | KL0_USB1_CELL_ENABLE); 1610 1611 MACIO_BIC(KEYLARGO_FCR1, 1612 KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | 1613 KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | 1614 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | 1615 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | 1616 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | 1617 KL1_UIDE_ENABLE); 1618 if (pmac_mb.board_flags & PMAC_MB_MOBILE) 1619 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); 1620 1621 MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); 1622 1623 temp = MACIO_IN32(KEYLARGO_FCR3); 1624 temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | 1625 KL3_SHUTDOWN_PLLKW35; 1626 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | KL3_CLK31_ENABLE 1627 | KL3_I2S0_CLK18_ENABLE | KL3_I2S1_CLK18_ENABLE); 1628 if (sleep_mode) 1629 temp &= ~(KL3_VIA_CLK16_ENABLE | KL3_TIMER_CLK18_ENABLE); 1630 MACIO_OUT32(KEYLARGO_FCR3, temp); 1631 1632 /* Flush posted writes & wait a bit */ 1633 (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); 1634} 1635 1636static void intrepid_shutdown(struct macio_chip *macio, int sleep_mode) 1637{ 1638 u32 temp; 1639 1640 MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | 1641 KL0_SCC_CELL_ENABLE); 1642 1643 MACIO_BIC(KEYLARGO_FCR1, 1644 KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | 1645 KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | 1646 KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | 1647 KL1_EIDE0_ENABLE); 1648 if (pmac_mb.board_flags & PMAC_MB_MOBILE) 1649 MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); 1650 1651 temp = MACIO_IN32(KEYLARGO_FCR3); 1652 temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | 1653 KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); 1654 if (sleep_mode) 1655 temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_IT_VIA_CLK32_ENABLE); 1656 MACIO_OUT32(KEYLARGO_FCR3, temp); 1657 1658 /* Flush posted writes & wait a bit */ 1659 (void)MACIO_IN32(KEYLARGO_FCR0); 1660 mdelay(10); 1661} 1662 1663 1664static int 1665core99_sleep(void) 1666{ 1667 struct macio_chip *macio; 1668 int i; 1669 1670 macio = &macio_chips[0]; 1671 if (macio->type != macio_keylargo && macio->type != macio_pangea && 1672 macio->type != macio_intrepid) 1673 return -ENODEV; 1674 1675 /* We power off the wireless slot in case it was not done 1676 * by the driver. We don't power it on automatically however 1677 */ 1678 if (macio->flags & MACIO_FLAG_AIRPORT_ON) 1679 core99_airport_enable(macio->of_node, 0, 0); 1680 1681 /* We power off the FW cable. Should be done by the driver... */ 1682 if (macio->flags & MACIO_FLAG_FW_SUPPORTED) { 1683 core99_firewire_enable(NULL, 0, 0); 1684 core99_firewire_cable_power(NULL, 0, 0); 1685 } 1686 1687 /* We make sure int. modem is off (in case driver lost it) */ 1688 if (macio->type == macio_keylargo) 1689 core99_modem_enable(macio->of_node, 0, 0); 1690 else 1691 pangea_modem_enable(macio->of_node, 0, 0); 1692 1693 /* We make sure the sound is off as well */ 1694 core99_sound_chip_enable(macio->of_node, 0, 0); 1695 1696 /* 1697 * Save various bits of KeyLargo 1698 */ 1699 1700 /* Save the state of the various GPIOs */ 1701 save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0); 1702 save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1); 1703 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) 1704 save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i); 1705 for (i=0; i<KEYLARGO_GPIO_CNT; i++) 1706 save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i); 1707 1708 /* Save the FCRs */ 1709 if (macio->type == macio_keylargo) 1710 save_mbcr = MACIO_IN32(KEYLARGO_MBCR); 1711 save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0); 1712 save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1); 1713 save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2); 1714 save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3); 1715 save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4); 1716 if (macio->type == macio_pangea || macio->type == macio_intrepid) 1717 save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5); 1718 1719 /* Save state & config of DBDMA channels */ 1720 dbdma_save(macio, save_dbdma); 1721 1722 /* 1723 * Turn off as much as we can 1724 */ 1725 if (macio->type == macio_pangea) 1726 pangea_shutdown(macio, 1); 1727 else if (macio->type == macio_intrepid) 1728 intrepid_shutdown(macio, 1); 1729 else if (macio->type == macio_keylargo) 1730 keylargo_shutdown(macio, 1); 1731 1732 /* 1733 * Put the host bridge to sleep 1734 */ 1735 1736 save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL); 1737 /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it 1738 * enabled ! 1739 */ 1740 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl & 1741 ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/)); 1742 udelay(100); 1743 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); 1744 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP); 1745 mdelay(10); 1746 1747 /* 1748 * FIXME: A bit of black magic with OpenPIC (don't ask me why) 1749 */ 1750 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { 1751 MACIO_BIS(0x506e0, 0x00400000); 1752 MACIO_BIS(0x506e0, 0x80000000); 1753 } 1754 return 0; 1755} 1756 1757static int 1758core99_wake_up(void) 1759{ 1760 struct macio_chip *macio; 1761 int i; 1762 1763 macio = &macio_chips[0]; 1764 if (macio->type != macio_keylargo && macio->type != macio_pangea && 1765 macio->type != macio_intrepid) 1766 return -ENODEV; 1767 1768 /* 1769 * Wakeup the host bridge 1770 */ 1771 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); 1772 udelay(10); 1773 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); 1774 udelay(10); 1775 1776 /* 1777 * Restore KeyLargo 1778 */ 1779 1780 if (macio->type == macio_keylargo) { 1781 MACIO_OUT32(KEYLARGO_MBCR, save_mbcr); 1782 (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10); 1783 } 1784 MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]); 1785 (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10); 1786 MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]); 1787 (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10); 1788 MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]); 1789 (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10); 1790 MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]); 1791 (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10); 1792 MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]); 1793 (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10); 1794 if (macio->type == macio_pangea || macio->type == macio_intrepid) { 1795 MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]); 1796 (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10); 1797 } 1798 1799 dbdma_restore(macio, save_dbdma); 1800 1801 MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]); 1802 MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]); 1803 for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) 1804 MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]); 1805 for (i=0; i<KEYLARGO_GPIO_CNT; i++) 1806 MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]); 1807 1808 /* FIXME more black magic with OpenPIC ... */ 1809 if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { 1810 MACIO_BIC(0x506e0, 0x00400000); 1811 MACIO_BIC(0x506e0, 0x80000000); 1812 } 1813 1814 UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl); 1815 udelay(100); 1816 1817 return 0; 1818} 1819 1820#endif /* CONFIG_PM */ 1821 1822static long 1823core99_sleep_state(struct device_node *node, long param, long value) 1824{ 1825 /* Param == 1 means to enter the "fake sleep" mode that is 1826 * used for CPU speed switch 1827 */ 1828 if (param == 1) { 1829 if (value == 1) { 1830 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); 1831 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2); 1832 } else { 1833 UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); 1834 udelay(10); 1835 UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); 1836 udelay(10); 1837 } 1838 return 0; 1839 } 1840 if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) 1841 return -EPERM; 1842 1843#ifdef CONFIG_PM 1844 if (value == 1) 1845 return core99_sleep(); 1846 else if (value == 0) 1847 return core99_wake_up(); 1848 1849#endif /* CONFIG_PM */ 1850 return 0; 1851} 1852 1853#endif /* CONFIG_PPC64 */ 1854 1855static long 1856generic_dev_can_wake(struct device_node *node, long param, long value) 1857{ 1858 /* Todo: eventually check we are really dealing with on-board 1859 * video device ... 1860 */ 1861 1862 if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP) 1863 pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP; 1864 return 0; 1865} 1866 1867static long generic_get_mb_info(struct device_node *node, long param, long value) 1868{ 1869 switch(param) { 1870 case PMAC_MB_INFO_MODEL: 1871 return pmac_mb.model_id; 1872 case PMAC_MB_INFO_FLAGS: 1873 return pmac_mb.board_flags; 1874 case PMAC_MB_INFO_NAME: 1875 /* hack hack hack... but should work */ 1876 *((const char **)value) = pmac_mb.model_name; 1877 return 0; 1878 } 1879 return -EINVAL; 1880} 1881 1882 1883/* 1884 * Table definitions 1885 */ 1886 1887/* Used on any machine 1888 */ 1889static struct feature_table_entry any_features[] = { 1890 { PMAC_FTR_GET_MB_INFO, generic_get_mb_info }, 1891 { PMAC_FTR_DEVICE_CAN_WAKE, generic_dev_can_wake }, 1892 { 0, NULL } 1893}; 1894 1895#ifndef CONFIG_PPC64 1896 1897/* OHare based motherboards. Currently, we only use these on the 1898 * 2400,3400 and 3500 series powerbooks. Some older desktops seem 1899 * to have issues with turning on/off those asic cells 1900 */ 1901static struct feature_table_entry ohare_features[] = { 1902 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, 1903 { PMAC_FTR_SWIM3_ENABLE, ohare_floppy_enable }, 1904 { PMAC_FTR_MESH_ENABLE, ohare_mesh_enable }, 1905 { PMAC_FTR_IDE_ENABLE, ohare_ide_enable}, 1906 { PMAC_FTR_IDE_RESET, ohare_ide_reset}, 1907 { PMAC_FTR_SLEEP_STATE, ohare_sleep_state }, 1908 { 0, NULL } 1909}; 1910 1911/* Heathrow desktop machines (Beige G3). 1912 * Separated as some features couldn't be properly tested 1913 * and the serial port control bits appear to confuse it. 1914 */ 1915static struct feature_table_entry heathrow_desktop_features[] = { 1916 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, 1917 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, 1918 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, 1919 { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, 1920 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, 1921 { 0, NULL } 1922}; 1923 1924/* Heathrow based laptop, that is the Wallstreet and mainstreet 1925 * powerbooks. 1926 */ 1927static struct feature_table_entry heathrow_laptop_features[] = { 1928 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, 1929 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, 1930 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, 1931 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, 1932 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, 1933 { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, 1934 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, 1935 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, 1936 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, 1937 { 0, NULL } 1938}; 1939 1940/* Paddington based machines 1941 * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4. 1942 */ 1943static struct feature_table_entry paddington_features[] = { 1944 { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, 1945 { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, 1946 { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, 1947 { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, 1948 { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, 1949 { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, 1950 { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, 1951 { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, 1952 { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, 1953 { 0, NULL } 1954}; 1955 1956/* Core99 & MacRISC 2 machines (all machines released since the 1957 * iBook (included), that is all AGP machines, except pangea 1958 * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo 1959 * used on iBook2 & iMac "flow power". 1960 */ 1961static struct feature_table_entry core99_features[] = { 1962 { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, 1963 { PMAC_FTR_MODEM_ENABLE, core99_modem_enable }, 1964 { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, 1965 { PMAC_FTR_IDE_RESET, core99_ide_reset }, 1966 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, 1967 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, 1968 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, 1969 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, 1970 { PMAC_FTR_USB_ENABLE, core99_usb_enable }, 1971 { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, 1972 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, 1973#ifdef CONFIG_PM 1974 { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, 1975#endif 1976#ifdef CONFIG_SMP 1977 { PMAC_FTR_RESET_CPU, core99_reset_cpu }, 1978#endif /* CONFIG_SMP */ 1979 { PMAC_FTR_READ_GPIO, core99_read_gpio }, 1980 { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, 1981 { 0, NULL } 1982}; 1983 1984/* RackMac 1985 */ 1986static struct feature_table_entry rackmac_features[] = { 1987 { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, 1988 { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, 1989 { PMAC_FTR_IDE_RESET, core99_ide_reset }, 1990 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, 1991 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, 1992 { PMAC_FTR_USB_ENABLE, core99_usb_enable }, 1993 { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, 1994 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, 1995 { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, 1996#ifdef CONFIG_SMP 1997 { PMAC_FTR_RESET_CPU, core99_reset_cpu }, 1998#endif /* CONFIG_SMP */ 1999 { PMAC_FTR_READ_GPIO, core99_read_gpio }, 2000 { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, 2001 { 0, NULL } 2002}; 2003 2004/* Pangea features 2005 */ 2006static struct feature_table_entry pangea_features[] = { 2007 { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, 2008 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, 2009 { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, 2010 { PMAC_FTR_IDE_RESET, core99_ide_reset }, 2011 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, 2012 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, 2013 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, 2014 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, 2015 { PMAC_FTR_USB_ENABLE, core99_usb_enable }, 2016 { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, 2017 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, 2018 { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, 2019 { PMAC_FTR_READ_GPIO, core99_read_gpio }, 2020 { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, 2021 { 0, NULL } 2022}; 2023 2024/* Intrepid features 2025 */ 2026static struct feature_table_entry intrepid_features[] = { 2027 { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, 2028 { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, 2029 { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, 2030 { PMAC_FTR_IDE_RESET, core99_ide_reset }, 2031 { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, 2032 { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, 2033 { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, 2034 { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, 2035 { PMAC_FTR_USB_ENABLE, core99_usb_enable }, 2036 { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, 2037 { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, 2038 { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, 2039 { PMAC_FTR_READ_GPIO, core99_read_gpio }, 2040 { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, 2041 { PMAC_FTR_AACK_DELAY_ENABLE, intrepid_aack_delay_enable }, 2042 { 0, NULL } 2043}; 2044 2045#else /* CONFIG_PPC64 */ 2046 2047/* G5 features 2048 */ 2049static struct feature_table_entry g5_features[] = { 2050 { PMAC_FTR_GMAC_ENABLE, g5_gmac_enable }, 2051 { PMAC_FTR_1394_ENABLE, g5_fw_enable }, 2052 { PMAC_FTR_ENABLE_MPIC, g5_mpic_enable }, 2053 { PMAC_FTR_GMAC_PHY_RESET, g5_eth_phy_reset }, 2054 { PMAC_FTR_SOUND_CHIP_ENABLE, g5_i2s_enable }, 2055#ifdef CONFIG_SMP 2056 { PMAC_FTR_RESET_CPU, g5_reset_cpu }, 2057#endif /* CONFIG_SMP */ 2058 { PMAC_FTR_READ_GPIO, core99_read_gpio }, 2059 { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, 2060 { 0, NULL } 2061}; 2062 2063#endif /* CONFIG_PPC64 */ 2064 2065static struct pmac_mb_def pmac_mb_defs[] = { 2066#ifndef CONFIG_PPC64 2067 /* 2068 * Desktops 2069 */ 2070 2071 { "AAPL,8500", "PowerMac 8500/8600", 2072 PMAC_TYPE_PSURGE, NULL, 2073 0 2074 }, 2075 { "AAPL,9500", "PowerMac 9500/9600", 2076 PMAC_TYPE_PSURGE, NULL, 2077 0 2078 }, 2079 { "AAPL,7200", "PowerMac 7200", 2080 PMAC_TYPE_PSURGE, NULL, 2081 0 2082 }, 2083 { "AAPL,7300", "PowerMac 7200/7300", 2084 PMAC_TYPE_PSURGE, NULL, 2085 0 2086 }, 2087 { "AAPL,7500", "PowerMac 7500", 2088 PMAC_TYPE_PSURGE, NULL, 2089 0 2090 }, 2091 { "AAPL,ShinerESB", "Apple Network Server", 2092 PMAC_TYPE_ANS, NULL, 2093 0 2094 }, 2095 { "AAPL,e407", "Alchemy", 2096 PMAC_TYPE_ALCHEMY, NULL, 2097 0 2098 }, 2099 { "AAPL,e411", "Gazelle", 2100 PMAC_TYPE_GAZELLE, NULL, 2101 0 2102 }, 2103 { "AAPL,Gossamer", "PowerMac G3 (Gossamer)", 2104 PMAC_TYPE_GOSSAMER, heathrow_desktop_features, 2105 0 2106 }, 2107 { "AAPL,PowerMac G3", "PowerMac G3 (Silk)", 2108 PMAC_TYPE_SILK, heathrow_desktop_features, 2109 0 2110 }, 2111 { "PowerMac1,1", "Blue&White G3", 2112 PMAC_TYPE_YOSEMITE, paddington_features, 2113 0 2114 }, 2115 { "PowerMac1,2", "PowerMac G4 PCI Graphics", 2116 PMAC_TYPE_YIKES, paddington_features, 2117 0 2118 }, 2119 { "PowerMac2,1", "iMac FireWire", 2120 PMAC_TYPE_FW_IMAC, core99_features, 2121 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 2122 }, 2123 { "PowerMac2,2", "iMac FireWire", 2124 PMAC_TYPE_FW_IMAC, core99_features, 2125 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 2126 }, 2127 { "PowerMac3,1", "PowerMac G4 AGP Graphics", 2128 PMAC_TYPE_SAWTOOTH, core99_features, 2129 PMAC_MB_OLD_CORE99 2130 }, 2131 { "PowerMac3,2", "PowerMac G4 AGP Graphics", 2132 PMAC_TYPE_SAWTOOTH, core99_features, 2133 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 2134 }, 2135 { "PowerMac3,3", "PowerMac G4 AGP Graphics", 2136 PMAC_TYPE_SAWTOOTH, core99_features, 2137 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 2138 }, 2139 { "PowerMac3,4", "PowerMac G4 Silver", 2140 PMAC_TYPE_QUICKSILVER, core99_features, 2141 PMAC_MB_MAY_SLEEP 2142 }, 2143 { "PowerMac3,5", "PowerMac G4 Silver", 2144 PMAC_TYPE_QUICKSILVER, core99_features, 2145 PMAC_MB_MAY_SLEEP 2146 }, 2147 { "PowerMac3,6", "PowerMac G4 Windtunnel", 2148 PMAC_TYPE_WINDTUNNEL, core99_features, 2149 PMAC_MB_MAY_SLEEP, 2150 }, 2151 { "PowerMac4,1", "iMac \"Flower Power\"", 2152 PMAC_TYPE_PANGEA_IMAC, pangea_features, 2153 PMAC_MB_MAY_SLEEP 2154 }, 2155 { "PowerMac4,2", "Flat panel iMac", 2156 PMAC_TYPE_FLAT_PANEL_IMAC, pangea_features, 2157 PMAC_MB_CAN_SLEEP 2158 }, 2159 { "PowerMac4,4", "eMac", 2160 PMAC_TYPE_EMAC, core99_features, 2161 PMAC_MB_MAY_SLEEP 2162 }, 2163 { "PowerMac5,1", "PowerMac G4 Cube", 2164 PMAC_TYPE_CUBE, core99_features, 2165 PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 2166 }, 2167 { "PowerMac6,1", "Flat panel iMac", 2168 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2169 PMAC_MB_MAY_SLEEP, 2170 }, 2171 { "PowerMac6,3", "Flat panel iMac", 2172 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2173 PMAC_MB_MAY_SLEEP, 2174 }, 2175 { "PowerMac6,4", "eMac", 2176 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2177 PMAC_MB_MAY_SLEEP, 2178 }, 2179 { "PowerMac10,1", "Mac mini", 2180 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2181 PMAC_MB_MAY_SLEEP, 2182 }, 2183 { "PowerMac10,2", "Mac mini (Late 2005)", 2184 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2185 PMAC_MB_MAY_SLEEP, 2186 }, 2187 { "iMac,1", "iMac (first generation)", 2188 PMAC_TYPE_ORIG_IMAC, paddington_features, 2189 0 2190 }, 2191 2192 /* 2193 * Xserve's 2194 */ 2195 2196 { "RackMac1,1", "XServe", 2197 PMAC_TYPE_RACKMAC, rackmac_features, 2198 0, 2199 }, 2200 { "RackMac1,2", "XServe rev. 2", 2201 PMAC_TYPE_RACKMAC, rackmac_features, 2202 0, 2203 }, 2204 2205 /* 2206 * Laptops 2207 */ 2208 2209 { "AAPL,3400/2400", "PowerBook 3400", 2210 PMAC_TYPE_HOOPER, ohare_features, 2211 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE 2212 }, 2213 { "AAPL,3500", "PowerBook 3500", 2214 PMAC_TYPE_KANGA, ohare_features, 2215 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE 2216 }, 2217 { "AAPL,PowerBook1998", "PowerBook Wallstreet", 2218 PMAC_TYPE_WALLSTREET, heathrow_laptop_features, 2219 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE 2220 }, 2221 { "PowerBook1,1", "PowerBook 101 (Lombard)", 2222 PMAC_TYPE_101_PBOOK, paddington_features, 2223 PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE 2224 }, 2225 { "PowerBook2,1", "iBook (first generation)", 2226 PMAC_TYPE_ORIG_IBOOK, core99_features, 2227 PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE 2228 }, 2229 { "PowerBook2,2", "iBook FireWire", 2230 PMAC_TYPE_FW_IBOOK, core99_features, 2231 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | 2232 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE 2233 }, 2234 { "PowerBook3,1", "PowerBook Pismo", 2235 PMAC_TYPE_PISMO, core99_features, 2236 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | 2237 PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE 2238 }, 2239 { "PowerBook3,2", "PowerBook Titanium", 2240 PMAC_TYPE_TITANIUM, core99_features, 2241 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2242 }, 2243 { "PowerBook3,3", "PowerBook Titanium II", 2244 PMAC_TYPE_TITANIUM2, core99_features, 2245 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2246 }, 2247 { "PowerBook3,4", "PowerBook Titanium III", 2248 PMAC_TYPE_TITANIUM3, core99_features, 2249 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2250 }, 2251 { "PowerBook3,5", "PowerBook Titanium IV", 2252 PMAC_TYPE_TITANIUM4, core99_features, 2253 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2254 }, 2255 { "PowerBook4,1", "iBook 2", 2256 PMAC_TYPE_IBOOK2, pangea_features, 2257 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2258 }, 2259 { "PowerBook4,2", "iBook 2", 2260 PMAC_TYPE_IBOOK2, pangea_features, 2261 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2262 }, 2263 { "PowerBook4,3", "iBook 2 rev. 2", 2264 PMAC_TYPE_IBOOK2, pangea_features, 2265 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE 2266 }, 2267 { "PowerBook5,1", "PowerBook G4 17\"", 2268 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2269 PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2270 }, 2271 { "PowerBook5,2", "PowerBook G4 15\"", 2272 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2273 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2274 }, 2275 { "PowerBook5,3", "PowerBook G4 17\"", 2276 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2277 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2278 }, 2279 { "PowerBook5,4", "PowerBook G4 15\"", 2280 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2281 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2282 }, 2283 { "PowerBook5,5", "PowerBook G4 17\"", 2284 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2285 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2286 }, 2287 { "PowerBook5,6", "PowerBook G4 15\"", 2288 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2289 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2290 }, 2291 { "PowerBook5,7", "PowerBook G4 17\"", 2292 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2293 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2294 }, 2295 { "PowerBook5,8", "PowerBook G4 15\"", 2296 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2297 PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE, 2298 }, 2299 { "PowerBook5,9", "PowerBook G4 17\"", 2300 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2301 PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE, 2302 }, 2303 { "PowerBook6,1", "PowerBook G4 12\"", 2304 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2305 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2306 }, 2307 { "PowerBook6,2", "PowerBook G4", 2308 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2309 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2310 }, 2311 { "PowerBook6,3", "iBook G4", 2312 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2313 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2314 }, 2315 { "PowerBook6,4", "PowerBook G4 12\"", 2316 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2317 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2318 }, 2319 { "PowerBook6,5", "iBook G4", 2320 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2321 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2322 }, 2323 { "PowerBook6,7", "iBook G4", 2324 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2325 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2326 }, 2327 { "PowerBook6,8", "PowerBook G4 12\"", 2328 PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, 2329 PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, 2330 }, 2331#else /* CONFIG_PPC64 */ 2332 { "PowerMac7,2", "PowerMac G5", 2333 PMAC_TYPE_POWERMAC_G5, g5_features, 2334 0, 2335 }, 2336 { "PowerMac7,3", "PowerMac G5", 2337 PMAC_TYPE_POWERMAC_G5, g5_features, 2338 0, 2339 }, 2340 { "PowerMac8,1", "iMac G5", 2341 PMAC_TYPE_IMAC_G5, g5_features, 2342 0, 2343 }, 2344 { "PowerMac9,1", "PowerMac G5", 2345 PMAC_TYPE_POWERMAC_G5_U3L, g5_features, 2346 0, 2347 }, 2348 { "PowerMac11,2", "PowerMac G5 Dual Core", 2349 PMAC_TYPE_POWERMAC_G5_U3L, g5_features, 2350 0, 2351 }, 2352 { "PowerMac12,1", "iMac G5 (iSight)", 2353 PMAC_TYPE_POWERMAC_G5_U3L, g5_features, 2354 0, 2355 }, 2356 { "RackMac3,1", "XServe G5", 2357 PMAC_TYPE_XSERVE_G5, g5_features, 2358 0, 2359 }, 2360#endif /* CONFIG_PPC64 */ 2361}; 2362 2363/* 2364 * The toplevel feature_call callback 2365 */ 2366long pmac_do_feature_call(unsigned int selector, ...) 2367{ 2368 struct device_node *node; 2369 long param, value; 2370 int i; 2371 feature_call func = NULL; 2372 va_list args; 2373 2374 if (pmac_mb.features) 2375 for (i=0; pmac_mb.features[i].function; i++) 2376 if (pmac_mb.features[i].selector == selector) { 2377 func = pmac_mb.features[i].function; 2378 break; 2379 } 2380 if (!func) 2381 for (i=0; any_features[i].function; i++) 2382 if (any_features[i].selector == selector) { 2383 func = any_features[i].function; 2384 break; 2385 } 2386 if (!func) 2387 return -ENODEV; 2388 2389 va_start(args, selector); 2390 node = (struct device_node*)va_arg(args, void*); 2391 param = va_arg(args, long); 2392 value = va_arg(args, long); 2393 va_end(args); 2394 2395 return func(node, param, value); 2396} 2397 2398static int __init probe_motherboard(void) 2399{ 2400 int i; 2401 struct macio_chip *macio = &macio_chips[0]; 2402 const char *model = NULL; 2403 struct device_node *dt; 2404 int ret = 0; 2405 2406 /* Lookup known motherboard type in device-tree. First try an 2407 * exact match on the "model" property, then try a "compatible" 2408 * match is none is found. 2409 */ 2410 dt = of_find_node_by_name(NULL, "device-tree"); 2411 if (dt != NULL) 2412 model = of_get_property(dt, "model", NULL); 2413 for(i=0; model && i<ARRAY_SIZE(pmac_mb_defs); i++) { 2414 if (strcmp(model, pmac_mb_defs[i].model_string) == 0) { 2415 pmac_mb = pmac_mb_defs[i]; 2416 goto found; 2417 } 2418 } 2419 for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) { 2420 if (of_machine_is_compatible(pmac_mb_defs[i].model_string)) { 2421 pmac_mb = pmac_mb_defs[i]; 2422 goto found; 2423 } 2424 } 2425 2426 /* Fallback to selection depending on mac-io chip type */ 2427 switch(macio->type) { 2428#ifndef CONFIG_PPC64 2429 case macio_grand_central: 2430 pmac_mb.model_id = PMAC_TYPE_PSURGE; 2431 pmac_mb.model_name = "Unknown PowerSurge"; 2432 break; 2433 case macio_ohare: 2434 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE; 2435 pmac_mb.model_name = "Unknown OHare-based"; 2436 break; 2437 case macio_heathrow: 2438 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW; 2439 pmac_mb.model_name = "Unknown Heathrow-based"; 2440 pmac_mb.features = heathrow_desktop_features; 2441 break; 2442 case macio_paddington: 2443 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON; 2444 pmac_mb.model_name = "Unknown Paddington-based"; 2445 pmac_mb.features = paddington_features; 2446 break; 2447 case macio_keylargo: 2448 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99; 2449 pmac_mb.model_name = "Unknown Keylargo-based"; 2450 pmac_mb.features = core99_features; 2451 break; 2452 case macio_pangea: 2453 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA; 2454 pmac_mb.model_name = "Unknown Pangea-based"; 2455 pmac_mb.features = pangea_features; 2456 break; 2457 case macio_intrepid: 2458 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID; 2459 pmac_mb.model_name = "Unknown Intrepid-based"; 2460 pmac_mb.features = intrepid_features; 2461 break; 2462#else /* CONFIG_PPC64 */ 2463 case macio_keylargo2: 2464 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2; 2465 pmac_mb.model_name = "Unknown K2-based"; 2466 pmac_mb.features = g5_features; 2467 break; 2468 case macio_shasta: 2469 pmac_mb.model_id = PMAC_TYPE_UNKNOWN_SHASTA; 2470 pmac_mb.model_name = "Unknown Shasta-based"; 2471 pmac_mb.features = g5_features; 2472 break; 2473#endif /* CONFIG_PPC64 */ 2474 default: 2475 ret = -ENODEV; 2476 goto done; 2477 } 2478found: 2479#ifndef CONFIG_PPC64 2480 /* Fixup Hooper vs. Comet */ 2481 if (pmac_mb.model_id == PMAC_TYPE_HOOPER) { 2482 u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4); 2483 if (!mach_id_ptr) { 2484 ret = -ENODEV; 2485 goto done; 2486 } 2487 /* Here, I used to disable the media-bay on comet. It 2488 * appears this is wrong, the floppy connector is actually 2489 * a kind of media-bay and works with the current driver. 2490 */ 2491 if (__raw_readl(mach_id_ptr) & 0x20000000UL) 2492 pmac_mb.model_id = PMAC_TYPE_COMET; 2493 iounmap(mach_id_ptr); 2494 } 2495 2496 /* Set default value of powersave_nap on machines that support it. 2497 * It appears that uninorth rev 3 has a problem with it, we don't 2498 * enable it on those. In theory, the flush-on-lock property is 2499 * supposed to be set when not supported, but I'm not very confident 2500 * that all Apple OF revs did it properly, I do it the paranoid way. 2501 */ 2502 if (uninorth_base && uninorth_rev > 3) { 2503 struct device_node *np; 2504 2505 for_each_of_cpu_node(np) { 2506 int cpu_count = 1; 2507 2508 /* Nap mode not supported on SMP */ 2509 if (of_property_read_bool(np, "flush-on-lock") || 2510 (cpu_count > 1)) { 2511 powersave_nap = 0; 2512 of_node_put(np); 2513 break; 2514 } 2515 2516 cpu_count++; 2517 powersave_nap = 1; 2518 } 2519 } 2520 if (powersave_nap) 2521 printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n"); 2522 2523 /* On CPUs that support it (750FX), lowspeed by default during 2524 * NAP mode 2525 */ 2526 powersave_lowspeed = 1; 2527 2528#else /* CONFIG_PPC64 */ 2529 powersave_nap = 1; 2530#endif /* CONFIG_PPC64 */ 2531 2532 /* Check for "mobile" machine */ 2533 if (model && (strncmp(model, "PowerBook", 9) == 0 2534 || strncmp(model, "iBook", 5) == 0)) 2535 pmac_mb.board_flags |= PMAC_MB_MOBILE; 2536 2537 2538 printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name); 2539done: 2540 of_node_put(dt); 2541 return ret; 2542} 2543 2544/* Initialize the Core99 UniNorth host bridge and memory controller 2545 */ 2546static void __init probe_uninorth(void) 2547{ 2548 struct resource res; 2549 unsigned long actrl; 2550 2551 /* Locate core99 Uni-N */ 2552 uninorth_node = of_find_node_by_name(NULL, "uni-n"); 2553 uninorth_maj = 1; 2554 2555 /* Locate G5 u3 */ 2556 if (uninorth_node == NULL) { 2557 uninorth_node = of_find_node_by_name(NULL, "u3"); 2558 uninorth_maj = 3; 2559 } 2560 /* Locate G5 u4 */ 2561 if (uninorth_node == NULL) { 2562 uninorth_node = of_find_node_by_name(NULL, "u4"); 2563 uninorth_maj = 4; 2564 } 2565 if (uninorth_node == NULL) { 2566 uninorth_maj = 0; 2567 return; 2568 } 2569 2570 if (of_address_to_resource(uninorth_node, 0, &res)) 2571 return; 2572 2573 uninorth_base = ioremap(res.start, 0x40000); 2574 if (uninorth_base == NULL) 2575 return; 2576 uninorth_rev = in_be32(UN_REG(UNI_N_VERSION)); 2577 if (uninorth_maj == 3 || uninorth_maj == 4) { 2578 u3_ht_base = ioremap(res.start + U3_HT_CONFIG_BASE, 0x1000); 2579 if (u3_ht_base == NULL) { 2580 iounmap(uninorth_base); 2581 return; 2582 } 2583 } 2584 2585 printk(KERN_INFO "Found %s memory controller & host bridge" 2586 " @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" : 2587 uninorth_maj == 4 ? "U4" : "UniNorth", 2588 (unsigned int)res.start, uninorth_rev); 2589 printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base); 2590 2591 /* Set the arbitrer QAck delay according to what Apple does 2592 */ 2593 if (uninorth_rev < 0x11) { 2594 actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK; 2595 actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 : 2596 UNI_N_ARB_CTRL_QACK_DELAY) << 2597 UNI_N_ARB_CTRL_QACK_DELAY_SHIFT; 2598 UN_OUT(UNI_N_ARB_CTRL, actrl); 2599 } 2600 2601 /* Some more magic as done by them in recent MacOS X on UniNorth 2602 * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI 2603 * memory timeout 2604 */ 2605 if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) || 2606 uninorth_rev == 0xc0) 2607 UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff); 2608} 2609 2610static void __init probe_one_macio(const char *name, const char *compat, int type) 2611{ 2612 struct device_node* node; 2613 int i; 2614 volatile u32 __iomem *base; 2615 const __be32 *addrp; 2616 const u32 *revp; 2617 phys_addr_t addr; 2618 u64 size; 2619 2620 for_each_node_by_name(node, name) { 2621 if (!compat) 2622 break; 2623 if (of_device_is_compatible(node, compat)) 2624 break; 2625 } 2626 if (!node) 2627 return; 2628 for(i=0; i<MAX_MACIO_CHIPS; i++) { 2629 if (!macio_chips[i].of_node) 2630 break; 2631 if (macio_chips[i].of_node == node) 2632 goto out_put; 2633 } 2634 2635 if (i >= MAX_MACIO_CHIPS) { 2636 printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n"); 2637 printk(KERN_ERR "pmac_feature: %pOF skipped\n", node); 2638 goto out_put; 2639 } 2640 addrp = of_get_pci_address(node, 0, &size, NULL); 2641 if (addrp == NULL) { 2642 printk(KERN_ERR "pmac_feature: %pOF: can't find base !\n", 2643 node); 2644 goto out_put; 2645 } 2646 addr = of_translate_address(node, addrp); 2647 if (addr == 0) { 2648 printk(KERN_ERR "pmac_feature: %pOF, can't translate base !\n", 2649 node); 2650 goto out_put; 2651 } 2652 base = ioremap(addr, (unsigned long)size); 2653 if (!base) { 2654 printk(KERN_ERR "pmac_feature: %pOF, can't map mac-io chip !\n", 2655 node); 2656 goto out_put; 2657 } 2658 if (type == macio_keylargo || type == macio_keylargo2) { 2659 const u32 *did = of_get_property(node, "device-id", NULL); 2660 if (*did == 0x00000025) 2661 type = macio_pangea; 2662 if (*did == 0x0000003e) 2663 type = macio_intrepid; 2664 if (*did == 0x0000004f) 2665 type = macio_shasta; 2666 } 2667 macio_chips[i].of_node = node; 2668 macio_chips[i].type = type; 2669 macio_chips[i].base = base; 2670 macio_chips[i].flags = MACIO_FLAG_SCCA_ON | MACIO_FLAG_SCCB_ON; 2671 macio_chips[i].name = macio_names[type]; 2672 revp = of_get_property(node, "revision-id", NULL); 2673 if (revp) 2674 macio_chips[i].rev = *revp; 2675 printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n", 2676 macio_names[type], macio_chips[i].rev, macio_chips[i].base); 2677 2678 return; 2679 2680out_put: 2681 of_node_put(node); 2682} 2683 2684static int __init 2685probe_macios(void) 2686{ 2687 /* Warning, ordering is important */ 2688 probe_one_macio("gc", NULL, macio_grand_central); 2689 probe_one_macio("ohare", NULL, macio_ohare); 2690 probe_one_macio("pci106b,7", NULL, macio_ohareII); 2691 probe_one_macio("mac-io", "keylargo", macio_keylargo); 2692 probe_one_macio("mac-io", "paddington", macio_paddington); 2693 probe_one_macio("mac-io", "gatwick", macio_gatwick); 2694 probe_one_macio("mac-io", "heathrow", macio_heathrow); 2695 probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2); 2696 2697 /* Make sure the "main" macio chip appear first */ 2698 if (macio_chips[0].type == macio_gatwick 2699 && macio_chips[1].type == macio_heathrow) { 2700 struct macio_chip temp = macio_chips[0]; 2701 macio_chips[0] = macio_chips[1]; 2702 macio_chips[1] = temp; 2703 } 2704 if (macio_chips[0].type == macio_ohareII 2705 && macio_chips[1].type == macio_ohare) { 2706 struct macio_chip temp = macio_chips[0]; 2707 macio_chips[0] = macio_chips[1]; 2708 macio_chips[1] = temp; 2709 } 2710 macio_chips[0].lbus.index = 0; 2711 macio_chips[1].lbus.index = 1; 2712 2713 return (macio_chips[0].of_node == NULL) ? -ENODEV : 0; 2714} 2715 2716static void __init 2717initial_serial_shutdown(struct device_node *np) 2718{ 2719 int len; 2720 const struct slot_names_prop { 2721 int count; 2722 char name[1]; 2723 } *slots; 2724 const char *conn; 2725 int port_type = PMAC_SCC_ASYNC; 2726 int modem = 0; 2727 2728 slots = of_get_property(np, "slot-names", &len); 2729 conn = of_get_property(np, "AAPL,connector", &len); 2730 if (conn && (strcmp(conn, "infrared") == 0)) 2731 port_type = PMAC_SCC_IRDA; 2732 else if (of_device_is_compatible(np, "cobalt")) 2733 modem = 1; 2734 else if (slots && slots->count > 0) { 2735 if (strcmp(slots->name, "IrDA") == 0) 2736 port_type = PMAC_SCC_IRDA; 2737 else if (strcmp(slots->name, "Modem") == 0) 2738 modem = 1; 2739 } 2740 if (modem) 2741 pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0); 2742 pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0); 2743} 2744 2745static void __init 2746set_initial_features(void) 2747{ 2748 struct device_node *np; 2749 2750 /* That hack appears to be necessary for some StarMax motherboards 2751 * but I'm not too sure it was audited for side-effects on other 2752 * ohare based machines... 2753 * Since I still have difficulties figuring the right way to 2754 * differentiate them all and since that hack was there for a long 2755 * time, I'll keep it around 2756 */ 2757 if (macio_chips[0].type == macio_ohare) { 2758 struct macio_chip *macio = &macio_chips[0]; 2759 np = of_find_node_by_name(NULL, "via-pmu"); 2760 if (np) 2761 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); 2762 else 2763 MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES); 2764 of_node_put(np); 2765 } else if (macio_chips[1].type == macio_ohare) { 2766 struct macio_chip *macio = &macio_chips[1]; 2767 MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); 2768 } 2769 2770#ifdef CONFIG_PPC64 2771 if (macio_chips[0].type == macio_keylargo2 || 2772 macio_chips[0].type == macio_shasta) { 2773#ifndef CONFIG_SMP 2774 /* On SMP machines running UP, we have the second CPU eating 2775 * bus cycles. We need to take it off the bus. This is done 2776 * from pmac_smp for SMP kernels running on one CPU 2777 */ 2778 np = of_find_node_by_type(NULL, "cpu"); 2779 if (np != NULL) 2780 np = of_find_node_by_type(np, "cpu"); 2781 if (np != NULL) { 2782 g5_phy_disable_cpu1(); 2783 of_node_put(np); 2784 } 2785#endif /* CONFIG_SMP */ 2786 /* Enable GMAC for now for PCI probing. It will be disabled 2787 * later on after PCI probe 2788 */ 2789 for_each_node_by_name(np, "ethernet") 2790 if (of_device_is_compatible(np, "K2-GMAC")) 2791 g5_gmac_enable(np, 0, 1); 2792 2793 /* Enable FW before PCI probe. Will be disabled later on 2794 * Note: We should have a batter way to check that we are 2795 * dealing with uninorth internal cell and not a PCI cell 2796 * on the external PCI. The code below works though. 2797 */ 2798 for_each_node_by_name(np, "firewire") { 2799 if (of_device_is_compatible(np, "pci106b,5811")) { 2800 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; 2801 g5_fw_enable(np, 0, 1); 2802 } 2803 } 2804 } 2805#else /* CONFIG_PPC64 */ 2806 2807 if (macio_chips[0].type == macio_keylargo || 2808 macio_chips[0].type == macio_pangea || 2809 macio_chips[0].type == macio_intrepid) { 2810 /* Enable GMAC for now for PCI probing. It will be disabled 2811 * later on after PCI probe 2812 */ 2813 for_each_node_by_name(np, "ethernet") { 2814 if (np->parent 2815 && of_device_is_compatible(np->parent, "uni-north") 2816 && of_device_is_compatible(np, "gmac")) 2817 core99_gmac_enable(np, 0, 1); 2818 } 2819 2820 /* Enable FW before PCI probe. Will be disabled later on 2821 * Note: We should have a batter way to check that we are 2822 * dealing with uninorth internal cell and not a PCI cell 2823 * on the external PCI. The code below works though. 2824 */ 2825 for_each_node_by_name(np, "firewire") { 2826 if (np->parent 2827 && of_device_is_compatible(np->parent, "uni-north") 2828 && (of_device_is_compatible(np, "pci106b,18") || 2829 of_device_is_compatible(np, "pci106b,30") || 2830 of_device_is_compatible(np, "pci11c1,5811"))) { 2831 macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; 2832 core99_firewire_enable(np, 0, 1); 2833 } 2834 } 2835 2836 /* Enable ATA-100 before PCI probe. */ 2837 for_each_node_by_name(np, "ata-6") { 2838 if (np->parent 2839 && of_device_is_compatible(np->parent, "uni-north") 2840 && of_device_is_compatible(np, "kauai-ata")) { 2841 core99_ata100_enable(np, 1); 2842 } 2843 } 2844 2845 /* Switch airport off */ 2846 for_each_node_by_name(np, "radio") { 2847 if (np->parent == macio_chips[0].of_node) { 2848 macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON; 2849 core99_airport_enable(np, 0, 0); 2850 } 2851 } 2852 } 2853 2854 /* On all machines that support sound PM, switch sound off */ 2855 if (macio_chips[0].of_node) 2856 pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, 2857 macio_chips[0].of_node, 0, 0); 2858 2859 /* While on some desktop G3s, we turn it back on */ 2860 if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow 2861 && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER || 2862 pmac_mb.model_id == PMAC_TYPE_SILK)) { 2863 struct macio_chip *macio = &macio_chips[0]; 2864 MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); 2865 MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); 2866 } 2867 2868#endif /* CONFIG_PPC64 */ 2869 2870 /* On all machines, switch modem & serial ports off */ 2871 for_each_node_by_name(np, "ch-a") 2872 initial_serial_shutdown(np); 2873 for_each_node_by_name(np, "ch-b") 2874 initial_serial_shutdown(np); 2875} 2876 2877void __init 2878pmac_feature_init(void) 2879{ 2880 /* Detect the UniNorth memory controller */ 2881 probe_uninorth(); 2882 2883 /* Probe mac-io controllers */ 2884 if (probe_macios()) { 2885 printk(KERN_WARNING "No mac-io chip found\n"); 2886 return; 2887 } 2888 2889 /* Probe machine type */ 2890 if (probe_motherboard()) 2891 printk(KERN_WARNING "Unknown PowerMac !\n"); 2892 2893 /* Set some initial features (turn off some chips that will 2894 * be later turned on) 2895 */ 2896 set_initial_features(); 2897} 2898 2899#if 0 2900static void dump_HT_speeds(char *name, u32 cfg, u32 frq) 2901{ 2902 int freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 }; 2903 int bits[8] = { 8,16,0,32,2,4,0,0 }; 2904 int freq = (frq >> 8) & 0xf; 2905 2906 if (freqs[freq] == 0) 2907 printk("%s: Unknown HT link frequency %x\n", name, freq); 2908 else 2909 printk("%s: %d MHz on main link, (%d in / %d out) bits width\n", 2910 name, freqs[freq], 2911 bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]); 2912} 2913 2914void __init pmac_check_ht_link(void) 2915{ 2916 u32 ufreq, freq, ucfg, cfg; 2917 struct device_node *pcix_node; 2918 u8 px_bus, px_devfn; 2919 struct pci_controller *px_hose; 2920 2921 (void)in_be32(u3_ht_base + U3_HT_LINK_COMMAND); 2922 ucfg = cfg = in_be32(u3_ht_base + U3_HT_LINK_CONFIG); 2923 ufreq = freq = in_be32(u3_ht_base + U3_HT_LINK_FREQ); 2924 dump_HT_speeds("U3 HyperTransport", cfg, freq); 2925 2926 pcix_node = of_find_compatible_node(NULL, "pci", "pci-x"); 2927 if (pcix_node == NULL) { 2928 printk("No PCI-X bridge found\n"); 2929 return; 2930 } 2931 if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) { 2932 printk("PCI-X bridge found but not matched to pci\n"); 2933 return; 2934 } 2935 px_hose = pci_find_hose_for_OF_device(pcix_node); 2936 if (px_hose == NULL) { 2937 printk("PCI-X bridge found but not matched to host\n"); 2938 return; 2939 } 2940 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg); 2941 early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq); 2942 dump_HT_speeds("PCI-X HT Uplink", cfg, freq); 2943 early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg); 2944 early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq); 2945 dump_HT_speeds("PCI-X HT Downlink", cfg, freq); 2946} 2947#endif /* 0 */ 2948 2949/* 2950 * Early video resume hook 2951 */ 2952 2953static void (*pmac_early_vresume_proc)(void *data); 2954static void *pmac_early_vresume_data; 2955 2956void pmac_set_early_video_resume(void (*proc)(void *data), void *data) 2957{ 2958 if (!machine_is(powermac)) 2959 return; 2960 preempt_disable(); 2961 pmac_early_vresume_proc = proc; 2962 pmac_early_vresume_data = data; 2963 preempt_enable(); 2964} 2965EXPORT_SYMBOL(pmac_set_early_video_resume); 2966 2967void pmac_call_early_video_resume(void) 2968{ 2969 if (pmac_early_vresume_proc) 2970 pmac_early_vresume_proc(pmac_early_vresume_data); 2971} 2972 2973/* 2974 * AGP related suspend/resume code 2975 */ 2976 2977static struct pci_dev *pmac_agp_bridge; 2978static int (*pmac_agp_suspend)(struct pci_dev *bridge); 2979static int (*pmac_agp_resume)(struct pci_dev *bridge); 2980 2981void pmac_register_agp_pm(struct pci_dev *bridge, 2982 int (*suspend)(struct pci_dev *bridge), 2983 int (*resume)(struct pci_dev *bridge)) 2984{ 2985 if (suspend || resume) { 2986 pmac_agp_bridge = bridge; 2987 pmac_agp_suspend = suspend; 2988 pmac_agp_resume = resume; 2989 return; 2990 } 2991 if (bridge != pmac_agp_bridge) 2992 return; 2993 pmac_agp_suspend = pmac_agp_resume = NULL; 2994 return; 2995} 2996EXPORT_SYMBOL(pmac_register_agp_pm); 2997 2998void pmac_suspend_agp_for_card(struct pci_dev *dev) 2999{ 3000 if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL) 3001 return; 3002 if (pmac_agp_bridge->bus != dev->bus) 3003 return; 3004 pmac_agp_suspend(pmac_agp_bridge); 3005} 3006EXPORT_SYMBOL(pmac_suspend_agp_for_card); 3007 3008void pmac_resume_agp_for_card(struct pci_dev *dev) 3009{ 3010 if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL) 3011 return; 3012 if (pmac_agp_bridge->bus != dev->bus) 3013 return; 3014 pmac_agp_resume(pmac_agp_bridge); 3015} 3016EXPORT_SYMBOL(pmac_resume_agp_for_card); 3017 3018int pmac_get_uninorth_variant(void) 3019{ 3020 return uninorth_maj; 3021} 3022