Lines Matching full:bus
3 * Bus subsystem
23 /* contains the number the next bus should get. */
80 static u16 bcma_cc_core_id(struct bcma_bus *bus) in bcma_cc_core_id() argument
82 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) in bcma_cc_core_id()
87 struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, in bcma_find_core_unit() argument
92 list_for_each_entry(core, &bus->cores, list) { in bcma_find_core_unit()
114 bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); in bcma_wait_value()
192 bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", in bcma_of_get_irq()
216 struct bcma_bus *bus = core->bus; in bcma_core_irq() local
219 switch (bus->hosttype) { in bcma_core_irq()
221 return bus->host_pci->irq; in bcma_core_irq()
223 if (bus->drv_mips.core && num == 0) { in bcma_core_irq()
227 if (bus->dev) in bcma_core_irq()
228 return bcma_of_get_irq(bus->dev, core, num); in bcma_core_irq()
238 void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) in bcma_prepare_core() argument
242 core->dev.bus = &bcma_bus_type; in bcma_prepare_core()
243 dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index); in bcma_prepare_core()
244 core->dev.parent = bus->dev; in bcma_prepare_core()
245 if (bus->dev) in bcma_prepare_core()
246 bcma_of_fill_device(bus->dev, core); in bcma_prepare_core()
248 switch (bus->hosttype) { in bcma_prepare_core()
250 core->dma_dev = bus->dev; in bcma_prepare_core()
251 core->irq = bus->host_pci->irq; in bcma_prepare_core()
254 if (IS_ENABLED(CONFIG_OF) && bus->dev) { in bcma_prepare_core()
255 core->dma_dev = bus->dev; in bcma_prepare_core()
266 void bcma_init_bus(struct bcma_bus *bus) in bcma_init_bus() argument
269 bus->num = bcma_bus_next_num++; in bcma_init_bus()
272 INIT_LIST_HEAD(&bus->cores); in bcma_init_bus()
273 bus->nr_cores = 0; in bcma_init_bus()
275 bcma_detect_chip(bus); in bcma_init_bus()
278 static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) in bcma_register_core() argument
284 bcma_err(bus, "Could not register dev for core 0x%03X\n", in bcma_register_core()
291 static int bcma_register_devices(struct bcma_bus *bus) in bcma_register_devices() argument
296 list_for_each_entry(core, &bus->cores, list) { in bcma_register_devices()
319 bcma_register_core(bus, core); in bcma_register_devices()
323 if (bus->drv_cc.pflash.present) { in bcma_register_devices()
326 bcma_err(bus, "Error registering parallel flash\n"); in bcma_register_devices()
331 if (bus->drv_cc.sflash.present) { in bcma_register_devices()
334 bcma_err(bus, "Error registering serial flash\n"); in bcma_register_devices()
339 if (bus->drv_cc.nflash.present) { in bcma_register_devices()
342 bcma_err(bus, "Error registering NAND flash\n"); in bcma_register_devices()
345 err = bcma_gpio_init(&bus->drv_cc); in bcma_register_devices()
347 bcma_debug(bus, "GPIO driver not activated\n"); in bcma_register_devices()
349 bcma_err(bus, "Error registering GPIO driver: %i\n", err); in bcma_register_devices()
353 if (bus->hosttype == BCMA_HOSTTYPE_SOC) { in bcma_register_devices()
354 err = bcma_chipco_watchdog_register(&bus->drv_cc); in bcma_register_devices()
356 bcma_err(bus, "Error registering watchdog driver\n"); in bcma_register_devices()
362 void bcma_unregister_cores(struct bcma_bus *bus) in bcma_unregister_cores() argument
366 list_for_each_entry_safe(core, tmp, &bus->cores, list) { in bcma_unregister_cores()
372 if (bus->hosttype == BCMA_HOSTTYPE_SOC) in bcma_unregister_cores()
373 platform_device_unregister(bus->drv_cc.watchdog); in bcma_unregister_cores()
376 list_for_each_entry_safe(core, tmp, &bus->cores, list) { in bcma_unregister_cores()
382 int bcma_bus_register(struct bcma_bus *bus) in bcma_bus_register() argument
388 err = bcma_bus_scan(bus); in bcma_bus_register()
390 bcma_err(bus, "Failed to scan: %d\n", err); in bcma_bus_register()
395 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_register()
397 bus->drv_cc.core = core; in bcma_bus_register()
398 bcma_core_chipcommon_early_init(&bus->drv_cc); in bcma_bus_register()
402 core = bcma_find_core(bus, BCMA_CORE_PCIE); in bcma_bus_register()
404 bus->drv_pci[0].core = core; in bcma_bus_register()
405 bcma_core_pci_early_init(&bus->drv_pci[0]); in bcma_bus_register()
408 if (bus->dev) in bcma_bus_register()
409 of_platform_default_populate(bus->dev->of_node, NULL, bus->dev); in bcma_bus_register()
412 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_register()
414 bcma_register_core(bus, core); in bcma_bus_register()
418 err = bcma_sprom_get(bus); in bcma_bus_register()
420 bcma_err(bus, "No SPROM available\n"); in bcma_bus_register()
422 bcma_err(bus, "Failed to get SPROM: %d\n", err); in bcma_bus_register()
425 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_register()
427 bus->drv_cc.core = core; in bcma_bus_register()
428 bcma_core_chipcommon_init(&bus->drv_cc); in bcma_bus_register()
432 core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); in bcma_bus_register()
434 bus->drv_cc_b.core = core; in bcma_bus_register()
435 bcma_core_chipcommon_b_init(&bus->drv_cc_b); in bcma_bus_register()
439 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); in bcma_bus_register()
441 bus->drv_mips.core = core; in bcma_bus_register()
442 bcma_core_mips_init(&bus->drv_mips); in bcma_bus_register()
446 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); in bcma_bus_register()
448 bus->drv_pci[0].core = core; in bcma_bus_register()
449 bcma_core_pci_init(&bus->drv_pci[0]); in bcma_bus_register()
453 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); in bcma_bus_register()
455 bus->drv_pci[1].core = core; in bcma_bus_register()
456 bcma_core_pci_init(&bus->drv_pci[1]); in bcma_bus_register()
460 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); in bcma_bus_register()
462 bus->drv_pcie2.core = core; in bcma_bus_register()
463 bcma_core_pcie2_init(&bus->drv_pcie2); in bcma_bus_register()
467 core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); in bcma_bus_register()
469 bus->drv_gmac_cmn.core = core; in bcma_bus_register()
470 bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); in bcma_bus_register()
474 bcma_register_devices(bus); in bcma_bus_register()
476 bcma_info(bus, "Bus registered\n"); in bcma_bus_register()
481 void bcma_bus_unregister(struct bcma_bus *bus) in bcma_bus_unregister() argument
485 err = bcma_gpio_unregister(&bus->drv_cc); in bcma_bus_unregister()
487 bcma_err(bus, "Some GPIOs are still in use.\n"); in bcma_bus_unregister()
489 bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); in bcma_bus_unregister()
491 bcma_core_chipcommon_b_free(&bus->drv_cc_b); in bcma_bus_unregister()
493 bcma_unregister_cores(bus); in bcma_bus_unregister()
497 * This is a special version of bus registration function designed for SoCs.
498 * It scans bus and performs basic initialization of main cores only.
501 int __init bcma_bus_early_register(struct bcma_bus *bus) in bcma_bus_early_register() argument
507 err = bcma_bus_scan(bus); in bcma_bus_early_register()
509 bcma_err(bus, "Failed to scan bus: %d\n", err); in bcma_bus_early_register()
514 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_early_register()
516 bus->drv_cc.core = core; in bcma_bus_early_register()
517 bcma_core_chipcommon_early_init(&bus->drv_cc); in bcma_bus_early_register()
521 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); in bcma_bus_early_register()
523 bus->drv_mips.core = core; in bcma_bus_early_register()
524 bcma_core_mips_early_init(&bus->drv_mips); in bcma_bus_early_register()
527 bcma_info(bus, "Early bus registered\n"); in bcma_bus_early_register()
533 int bcma_bus_suspend(struct bcma_bus *bus) in bcma_bus_suspend() argument
537 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_suspend()
548 int bcma_bus_resume(struct bcma_bus *bus) in bcma_bus_resume() argument
553 if (bus->drv_cc.core) { in bcma_bus_resume()
554 bus->drv_cc.setup_done = false; in bcma_bus_resume()
555 bcma_core_chipcommon_init(&bus->drv_cc); in bcma_bus_resume()
558 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_resume()
574 drv->drv.bus = &bcma_bus_type; in __bcma_driver_register()
644 * If built-in, bus has to be registered early, before any driver calls