diff options
Diffstat (limited to 'arch/sparc64/kernel/ebus.c')
-rw-r--r-- | arch/sparc64/kernel/ebus.c | 141 |
1 files changed, 75 insertions, 66 deletions
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index 3125a5b49775..919a91d9e5de 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c | |||
@@ -285,36 +285,38 @@ static inline void *ebus_alloc(size_t size) | |||
285 | 285 | ||
286 | static void __init ebus_ranges_init(struct linux_ebus *ebus) | 286 | static void __init ebus_ranges_init(struct linux_ebus *ebus) |
287 | { | 287 | { |
288 | int success; | 288 | struct linux_prom_ebus_ranges *rngs; |
289 | int len; | ||
289 | 290 | ||
290 | ebus->num_ebus_ranges = 0; | 291 | ebus->num_ebus_ranges = 0; |
291 | success = prom_getproperty(ebus->prom_node, "ranges", | 292 | rngs = of_get_property(ebus->prom_node, "ranges", &len); |
292 | (char *)ebus->ebus_ranges, | 293 | if (rngs) { |
293 | sizeof(ebus->ebus_ranges)); | 294 | memcpy(ebus->ebus_ranges, rngs, len); |
294 | if (success != -1) | 295 | ebus->num_ebus_ranges = |
295 | ebus->num_ebus_ranges = (success/sizeof(struct linux_prom_ebus_ranges)); | 296 | (len / sizeof(struct linux_prom_ebus_ranges)); |
297 | } | ||
296 | } | 298 | } |
297 | 299 | ||
298 | static void __init ebus_intmap_init(struct linux_ebus *ebus) | 300 | static void __init ebus_intmap_init(struct linux_ebus *ebus) |
299 | { | 301 | { |
300 | int success; | 302 | struct linux_prom_ebus_intmap *imap; |
303 | struct linux_prom_ebus_intmask *imask; | ||
304 | int len; | ||
301 | 305 | ||
302 | ebus->num_ebus_intmap = 0; | 306 | ebus->num_ebus_intmap = 0; |
303 | success = prom_getproperty(ebus->prom_node, "interrupt-map", | 307 | imap = of_get_property(ebus->prom_node, "interrupt-map", &len); |
304 | (char *)ebus->ebus_intmap, | 308 | if (!imap) |
305 | sizeof(ebus->ebus_intmap)); | ||
306 | if (success == -1) | ||
307 | return; | 309 | return; |
308 | 310 | ||
309 | ebus->num_ebus_intmap = (success/sizeof(struct linux_prom_ebus_intmap)); | 311 | memcpy(ebus->ebus_intmap, imap, len); |
312 | ebus->num_ebus_intmap = (len / sizeof(struct linux_prom_ebus_intmap)); | ||
310 | 313 | ||
311 | success = prom_getproperty(ebus->prom_node, "interrupt-map-mask", | 314 | imask = of_get_property(ebus->prom_node, "interrupt-map-mask", &len); |
312 | (char *)&ebus->ebus_intmask, | 315 | if (!imask) { |
313 | sizeof(ebus->ebus_intmask)); | 316 | prom_printf("EBUS: can't get interrupt-map-mask\n"); |
314 | if (success == -1) { | ||
315 | prom_printf("%s: can't get interrupt-map-mask\n", __FUNCTION__); | ||
316 | prom_halt(); | 317 | prom_halt(); |
317 | } | 318 | } |
319 | memcpy(&ebus->ebus_intmask, imask, sizeof(ebus->ebus_intmask)); | ||
318 | } | 320 | } |
319 | 321 | ||
320 | int __init ebus_intmap_match(struct linux_ebus *ebus, | 322 | int __init ebus_intmap_match(struct linux_ebus *ebus, |
@@ -341,19 +343,23 @@ int __init ebus_intmap_match(struct linux_ebus *ebus, | |||
341 | return -1; | 343 | return -1; |
342 | } | 344 | } |
343 | 345 | ||
344 | void __init fill_ebus_child(int node, struct linux_prom_registers *preg, | 346 | void __init fill_ebus_child(struct device_node *dp, |
345 | struct linux_ebus_child *dev, int non_standard_regs) | 347 | struct linux_prom_registers *preg, |
348 | struct linux_ebus_child *dev, | ||
349 | int non_standard_regs) | ||
346 | { | 350 | { |
347 | int regs[PROMREG_MAX]; | 351 | int *regs; |
348 | int irqs[PROMREG_MAX]; | 352 | int *irqs; |
349 | int i, len; | 353 | int i, len; |
350 | 354 | ||
351 | dev->prom_node = node; | 355 | dev->prom_node = dp; |
352 | prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name)); | 356 | printk(" (%s)", dp->name); |
353 | printk(" (%s)", dev->prom_name); | ||
354 | 357 | ||
355 | len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); | 358 | regs = of_get_property(dp, "reg", &len); |
356 | dev->num_addrs = len / sizeof(regs[0]); | 359 | if (!regs) |
360 | dev->num_addrs = 0; | ||
361 | else | ||
362 | dev->num_addrs = len / sizeof(regs[0]); | ||
357 | 363 | ||
358 | if (non_standard_regs) { | 364 | if (non_standard_regs) { |
359 | /* This is to handle reg properties which are not | 365 | /* This is to handle reg properties which are not |
@@ -370,21 +376,21 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, | |||
370 | int rnum = regs[i]; | 376 | int rnum = regs[i]; |
371 | if (rnum >= dev->parent->num_addrs) { | 377 | if (rnum >= dev->parent->num_addrs) { |
372 | prom_printf("UGH: property for %s was %d, need < %d\n", | 378 | prom_printf("UGH: property for %s was %d, need < %d\n", |
373 | dev->prom_name, len, dev->parent->num_addrs); | 379 | dp->name, len, dev->parent->num_addrs); |
374 | panic(__FUNCTION__); | 380 | prom_halt(); |
375 | } | 381 | } |
376 | dev->resource[i].start = dev->parent->resource[i].start; | 382 | dev->resource[i].start = dev->parent->resource[i].start; |
377 | dev->resource[i].end = dev->parent->resource[i].end; | 383 | dev->resource[i].end = dev->parent->resource[i].end; |
378 | dev->resource[i].flags = IORESOURCE_MEM; | 384 | dev->resource[i].flags = IORESOURCE_MEM; |
379 | dev->resource[i].name = dev->prom_name; | 385 | dev->resource[i].name = dp->name; |
380 | } | 386 | } |
381 | } | 387 | } |
382 | 388 | ||
383 | for (i = 0; i < PROMINTR_MAX; i++) | 389 | for (i = 0; i < PROMINTR_MAX; i++) |
384 | dev->irqs[i] = PCI_IRQ_NONE; | 390 | dev->irqs[i] = PCI_IRQ_NONE; |
385 | 391 | ||
386 | len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs)); | 392 | irqs = of_get_property(dp, "interrupts", &len); |
387 | if ((len == -1) || (len == 0)) { | 393 | if (!irqs) { |
388 | dev->num_irqs = 0; | 394 | dev->num_irqs = 0; |
389 | /* | 395 | /* |
390 | * Oh, well, some PROMs don't export interrupts | 396 | * Oh, well, some PROMs don't export interrupts |
@@ -392,8 +398,8 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, | |||
392 | * | 398 | * |
393 | * Be smart about PS/2 keyboard and mouse. | 399 | * Be smart about PS/2 keyboard and mouse. |
394 | */ | 400 | */ |
395 | if (!strcmp(dev->parent->prom_name, "8042")) { | 401 | if (!strcmp(dev->parent->prom_node->name, "8042")) { |
396 | if (!strcmp(dev->prom_name, "kb_ps2")) { | 402 | if (!strcmp(dev->prom_node->name, "kb_ps2")) { |
397 | dev->num_irqs = 1; | 403 | dev->num_irqs = 1; |
398 | dev->irqs[0] = dev->parent->irqs[0]; | 404 | dev->irqs[0] = dev->parent->irqs[0]; |
399 | } else { | 405 | } else { |
@@ -423,32 +429,32 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, | |||
423 | 429 | ||
424 | static int __init child_regs_nonstandard(struct linux_ebus_device *dev) | 430 | static int __init child_regs_nonstandard(struct linux_ebus_device *dev) |
425 | { | 431 | { |
426 | if (!strcmp(dev->prom_name, "i2c") || | 432 | if (!strcmp(dev->prom_node->name, "i2c") || |
427 | !strcmp(dev->prom_name, "SUNW,lombus")) | 433 | !strcmp(dev->prom_node->name, "SUNW,lombus")) |
428 | return 1; | 434 | return 1; |
429 | return 0; | 435 | return 0; |
430 | } | 436 | } |
431 | 437 | ||
432 | void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | 438 | void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev) |
433 | { | 439 | { |
434 | struct linux_prom_registers regs[PROMREG_MAX]; | 440 | struct linux_prom_registers *regs; |
435 | struct linux_ebus_child *child; | 441 | struct linux_ebus_child *child; |
436 | int irqs[PROMINTR_MAX]; | 442 | int *irqs; |
437 | int i, n, len; | 443 | int i, n, len; |
438 | 444 | ||
439 | dev->prom_node = node; | 445 | dev->prom_node = dp; |
440 | prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name)); | ||
441 | printk(" [%s", dev->prom_name); | ||
442 | 446 | ||
443 | len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); | 447 | printk(" [%s", dp->name); |
444 | if (len == -1) { | 448 | |
449 | regs = of_get_property(dp, "reg", &len); | ||
450 | if (!regs) { | ||
445 | dev->num_addrs = 0; | 451 | dev->num_addrs = 0; |
446 | goto probe_interrupts; | 452 | goto probe_interrupts; |
447 | } | 453 | } |
448 | 454 | ||
449 | if (len % sizeof(struct linux_prom_registers)) { | 455 | if (len % sizeof(struct linux_prom_registers)) { |
450 | prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", | 456 | prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", |
451 | dev->prom_name, len, | 457 | dev->prom_node->name, len, |
452 | (int)sizeof(struct linux_prom_registers)); | 458 | (int)sizeof(struct linux_prom_registers)); |
453 | prom_halt(); | 459 | prom_halt(); |
454 | } | 460 | } |
@@ -466,7 +472,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | |||
466 | dev->resource[i].end = | 472 | dev->resource[i].end = |
467 | (dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL); | 473 | (dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL); |
468 | dev->resource[i].flags = IORESOURCE_MEM; | 474 | dev->resource[i].flags = IORESOURCE_MEM; |
469 | dev->resource[i].name = dev->prom_name; | 475 | dev->resource[i].name = dev->prom_node->name; |
470 | request_resource(&dev->bus->self->resource[n], | 476 | request_resource(&dev->bus->self->resource[n], |
471 | &dev->resource[i]); | 477 | &dev->resource[i]); |
472 | } | 478 | } |
@@ -475,8 +481,8 @@ probe_interrupts: | |||
475 | for (i = 0; i < PROMINTR_MAX; i++) | 481 | for (i = 0; i < PROMINTR_MAX; i++) |
476 | dev->irqs[i] = PCI_IRQ_NONE; | 482 | dev->irqs[i] = PCI_IRQ_NONE; |
477 | 483 | ||
478 | len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs)); | 484 | irqs = of_get_property(dp, "interrupts", &len); |
479 | if ((len == -1) || (len == 0)) { | 485 | if (!irqs) { |
480 | dev->num_irqs = 0; | 486 | dev->num_irqs = 0; |
481 | } else { | 487 | } else { |
482 | dev->num_irqs = len / sizeof(irqs[0]); | 488 | dev->num_irqs = len / sizeof(irqs[0]); |
@@ -497,7 +503,8 @@ probe_interrupts: | |||
497 | } | 503 | } |
498 | } | 504 | } |
499 | 505 | ||
500 | if ((node = prom_getchild(node))) { | 506 | dp = dp->child; |
507 | if (dp) { | ||
501 | printk(" ->"); | 508 | printk(" ->"); |
502 | dev->children = ebus_alloc(sizeof(struct linux_ebus_child)); | 509 | dev->children = ebus_alloc(sizeof(struct linux_ebus_child)); |
503 | 510 | ||
@@ -505,18 +512,18 @@ probe_interrupts: | |||
505 | child->next = NULL; | 512 | child->next = NULL; |
506 | child->parent = dev; | 513 | child->parent = dev; |
507 | child->bus = dev->bus; | 514 | child->bus = dev->bus; |
508 | fill_ebus_child(node, ®s[0], | 515 | fill_ebus_child(dp, regs, child, |
509 | child, child_regs_nonstandard(dev)); | 516 | child_regs_nonstandard(dev)); |
510 | 517 | ||
511 | while ((node = prom_getsibling(node)) != 0) { | 518 | while ((dp = dp->sibling) != NULL) { |
512 | child->next = ebus_alloc(sizeof(struct linux_ebus_child)); | 519 | child->next = ebus_alloc(sizeof(struct linux_ebus_child)); |
513 | 520 | ||
514 | child = child->next; | 521 | child = child->next; |
515 | child->next = NULL; | 522 | child->next = NULL; |
516 | child->parent = dev; | 523 | child->parent = dev; |
517 | child->bus = dev->bus; | 524 | child->bus = dev->bus; |
518 | fill_ebus_child(node, ®s[0], | 525 | fill_ebus_child(dp, regs, child, |
519 | child, child_regs_nonstandard(dev)); | 526 | child_regs_nonstandard(dev)); |
520 | } | 527 | } |
521 | } | 528 | } |
522 | printk("]"); | 529 | printk("]"); |
@@ -543,7 +550,8 @@ void __init ebus_init(void) | |||
543 | struct linux_ebus *ebus; | 550 | struct linux_ebus *ebus; |
544 | struct pci_dev *pdev; | 551 | struct pci_dev *pdev; |
545 | struct pcidev_cookie *cookie; | 552 | struct pcidev_cookie *cookie; |
546 | int nd, ebusnd, is_rio; | 553 | struct device_node *dp; |
554 | int is_rio; | ||
547 | int num_ebus = 0; | 555 | int num_ebus = 0; |
548 | 556 | ||
549 | pdev = find_next_ebus(NULL, &is_rio); | 557 | pdev = find_next_ebus(NULL, &is_rio); |
@@ -553,20 +561,22 @@ void __init ebus_init(void) | |||
553 | } | 561 | } |
554 | 562 | ||
555 | cookie = pdev->sysdata; | 563 | cookie = pdev->sysdata; |
556 | ebusnd = cookie->prom_node->node; | 564 | dp = cookie->prom_node; |
557 | 565 | ||
558 | ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus)); | 566 | ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus)); |
559 | ebus->next = NULL; | 567 | ebus->next = NULL; |
560 | ebus->is_rio = is_rio; | 568 | ebus->is_rio = is_rio; |
561 | 569 | ||
562 | while (ebusnd) { | 570 | while (dp) { |
571 | struct device_node *child; | ||
572 | |||
563 | /* SUNW,pci-qfe uses four empty ebuses on it. | 573 | /* SUNW,pci-qfe uses four empty ebuses on it. |
564 | I think we should not consider them here, | 574 | I think we should not consider them here, |
565 | as they have half of the properties this | 575 | as they have half of the properties this |
566 | code expects and once we do PCI hot-plug, | 576 | code expects and once we do PCI hot-plug, |
567 | we'd have to tweak with the ebus_chain | 577 | we'd have to tweak with the ebus_chain |
568 | in the runtime after initialization. -jj */ | 578 | in the runtime after initialization. -jj */ |
569 | if (!prom_getchild (ebusnd)) { | 579 | if (!dp->child) { |
570 | pdev = find_next_ebus(pdev, &is_rio); | 580 | pdev = find_next_ebus(pdev, &is_rio); |
571 | if (!pdev) { | 581 | if (!pdev) { |
572 | if (ebus == ebus_chain) { | 582 | if (ebus == ebus_chain) { |
@@ -578,22 +588,21 @@ void __init ebus_init(void) | |||
578 | } | 588 | } |
579 | ebus->is_rio = is_rio; | 589 | ebus->is_rio = is_rio; |
580 | cookie = pdev->sysdata; | 590 | cookie = pdev->sysdata; |
581 | ebusnd = cookie->prom_node->node; | 591 | dp = cookie->prom_node; |
582 | continue; | 592 | continue; |
583 | } | 593 | } |
584 | printk("ebus%d:", num_ebus); | 594 | printk("ebus%d:", num_ebus); |
585 | 595 | ||
586 | prom_getstring(ebusnd, "name", ebus->prom_name, sizeof(ebus->prom_name)); | ||
587 | ebus->index = num_ebus; | 596 | ebus->index = num_ebus; |
588 | ebus->prom_node = ebusnd; | 597 | ebus->prom_node = dp; |
589 | ebus->self = pdev; | 598 | ebus->self = pdev; |
590 | ebus->parent = pbm = cookie->pbm; | 599 | ebus->parent = pbm = cookie->pbm; |
591 | 600 | ||
592 | ebus_ranges_init(ebus); | 601 | ebus_ranges_init(ebus); |
593 | ebus_intmap_init(ebus); | 602 | ebus_intmap_init(ebus); |
594 | 603 | ||
595 | nd = prom_getchild(ebusnd); | 604 | child = dp->child; |
596 | if (!nd) | 605 | if (!child) |
597 | goto next_ebus; | 606 | goto next_ebus; |
598 | 607 | ||
599 | ebus->devices = ebus_alloc(sizeof(struct linux_ebus_device)); | 608 | ebus->devices = ebus_alloc(sizeof(struct linux_ebus_device)); |
@@ -602,16 +611,16 @@ void __init ebus_init(void) | |||
602 | dev->next = NULL; | 611 | dev->next = NULL; |
603 | dev->children = NULL; | 612 | dev->children = NULL; |
604 | dev->bus = ebus; | 613 | dev->bus = ebus; |
605 | fill_ebus_device(nd, dev); | 614 | fill_ebus_device(child, dev); |
606 | 615 | ||
607 | while ((nd = prom_getsibling(nd)) != 0) { | 616 | while ((child = child->sibling) != NULL) { |
608 | dev->next = ebus_alloc(sizeof(struct linux_ebus_device)); | 617 | dev->next = ebus_alloc(sizeof(struct linux_ebus_device)); |
609 | 618 | ||
610 | dev = dev->next; | 619 | dev = dev->next; |
611 | dev->next = NULL; | 620 | dev->next = NULL; |
612 | dev->children = NULL; | 621 | dev->children = NULL; |
613 | dev->bus = ebus; | 622 | dev->bus = ebus; |
614 | fill_ebus_device(nd, dev); | 623 | fill_ebus_device(child, dev); |
615 | } | 624 | } |
616 | 625 | ||
617 | next_ebus: | 626 | next_ebus: |
@@ -622,7 +631,7 @@ void __init ebus_init(void) | |||
622 | break; | 631 | break; |
623 | 632 | ||
624 | cookie = pdev->sysdata; | 633 | cookie = pdev->sysdata; |
625 | ebusnd = cookie->prom_node->node; | 634 | dp = cookie->prom_node; |
626 | 635 | ||
627 | ebus->next = ebus_alloc(sizeof(struct linux_ebus)); | 636 | ebus->next = ebus_alloc(sizeof(struct linux_ebus)); |
628 | ebus = ebus->next; | 637 | ebus = ebus->next; |