Lines Matching refs:bus
79 static u16 bcma_cc_core_id(struct bcma_bus *bus) in bcma_cc_core_id() argument
81 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) in bcma_cc_core_id()
86 struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, in bcma_find_core_unit() argument
91 list_for_each_entry(core, &bus->cores, list) { in bcma_find_core_unit()
113 bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); in bcma_wait_value()
191 bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", in bcma_of_get_irq()
215 struct bcma_bus *bus = core->bus; in bcma_core_irq() local
218 switch (bus->hosttype) { in bcma_core_irq()
220 return bus->host_pci->irq; in bcma_core_irq()
222 if (bus->drv_mips.core && num == 0) { in bcma_core_irq()
226 if (bus->dev) in bcma_core_irq()
227 return bcma_of_get_irq(bus->dev, core, num); in bcma_core_irq()
237 void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) in bcma_prepare_core() argument
241 core->dev.bus = &bcma_bus_type; in bcma_prepare_core()
242 dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index); in bcma_prepare_core()
243 core->dev.parent = bus->dev; in bcma_prepare_core()
244 if (bus->dev) in bcma_prepare_core()
245 bcma_of_fill_device(bus->dev, core); in bcma_prepare_core()
247 switch (bus->hosttype) { in bcma_prepare_core()
249 core->dma_dev = bus->dev; in bcma_prepare_core()
250 core->irq = bus->host_pci->irq; in bcma_prepare_core()
253 if (IS_ENABLED(CONFIG_OF) && bus->dev) { in bcma_prepare_core()
254 core->dma_dev = bus->dev; in bcma_prepare_core()
265 void bcma_init_bus(struct bcma_bus *bus) in bcma_init_bus() argument
268 bus->num = bcma_bus_next_num++; in bcma_init_bus()
271 INIT_LIST_HEAD(&bus->cores); in bcma_init_bus()
272 bus->nr_cores = 0; in bcma_init_bus()
274 bcma_detect_chip(bus); in bcma_init_bus()
277 static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) in bcma_register_core() argument
283 bcma_err(bus, "Could not register dev for core 0x%03X\n", in bcma_register_core()
290 static int bcma_register_devices(struct bcma_bus *bus) in bcma_register_devices() argument
295 list_for_each_entry(core, &bus->cores, list) { in bcma_register_devices()
318 bcma_register_core(bus, core); in bcma_register_devices()
322 if (bus->drv_cc.pflash.present) { in bcma_register_devices()
325 bcma_err(bus, "Error registering parallel flash\n"); in bcma_register_devices()
330 if (bus->drv_cc.sflash.present) { in bcma_register_devices()
333 bcma_err(bus, "Error registering serial flash\n"); in bcma_register_devices()
338 if (bus->drv_cc.nflash.present) { in bcma_register_devices()
341 bcma_err(bus, "Error registering NAND flash\n"); in bcma_register_devices()
344 err = bcma_gpio_init(&bus->drv_cc); in bcma_register_devices()
346 bcma_debug(bus, "GPIO driver not activated\n"); in bcma_register_devices()
348 bcma_err(bus, "Error registering GPIO driver: %i\n", err); in bcma_register_devices()
352 if (bus->hosttype == BCMA_HOSTTYPE_SOC) { in bcma_register_devices()
353 err = bcma_chipco_watchdog_register(&bus->drv_cc); in bcma_register_devices()
355 bcma_err(bus, "Error registering watchdog driver\n"); in bcma_register_devices()
361 void bcma_unregister_cores(struct bcma_bus *bus) in bcma_unregister_cores() argument
365 list_for_each_entry_safe(core, tmp, &bus->cores, list) { in bcma_unregister_cores()
371 if (bus->hosttype == BCMA_HOSTTYPE_SOC) in bcma_unregister_cores()
372 platform_device_unregister(bus->drv_cc.watchdog); in bcma_unregister_cores()
375 list_for_each_entry_safe(core, tmp, &bus->cores, list) { in bcma_unregister_cores()
381 int bcma_bus_register(struct bcma_bus *bus) in bcma_bus_register() argument
387 err = bcma_bus_scan(bus); in bcma_bus_register()
389 bcma_err(bus, "Failed to scan: %d\n", err); in bcma_bus_register()
394 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_register()
396 bus->drv_cc.core = core; in bcma_bus_register()
397 bcma_core_chipcommon_early_init(&bus->drv_cc); in bcma_bus_register()
401 core = bcma_find_core(bus, BCMA_CORE_PCIE); in bcma_bus_register()
403 bus->drv_pci[0].core = core; in bcma_bus_register()
404 bcma_core_pci_early_init(&bus->drv_pci[0]); in bcma_bus_register()
407 if (bus->dev) in bcma_bus_register()
408 of_platform_default_populate(bus->dev->of_node, NULL, bus->dev); in bcma_bus_register()
411 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_register()
413 bcma_register_core(bus, core); in bcma_bus_register()
417 err = bcma_sprom_get(bus); in bcma_bus_register()
419 bcma_err(bus, "No SPROM available\n"); in bcma_bus_register()
421 bcma_err(bus, "Failed to get SPROM: %d\n", err); in bcma_bus_register()
424 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_register()
426 bus->drv_cc.core = core; in bcma_bus_register()
427 bcma_core_chipcommon_init(&bus->drv_cc); in bcma_bus_register()
431 core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); in bcma_bus_register()
433 bus->drv_cc_b.core = core; in bcma_bus_register()
434 bcma_core_chipcommon_b_init(&bus->drv_cc_b); in bcma_bus_register()
438 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); in bcma_bus_register()
440 bus->drv_mips.core = core; in bcma_bus_register()
441 bcma_core_mips_init(&bus->drv_mips); in bcma_bus_register()
445 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); in bcma_bus_register()
447 bus->drv_pci[0].core = core; in bcma_bus_register()
448 bcma_core_pci_init(&bus->drv_pci[0]); in bcma_bus_register()
452 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); in bcma_bus_register()
454 bus->drv_pci[1].core = core; in bcma_bus_register()
455 bcma_core_pci_init(&bus->drv_pci[1]); in bcma_bus_register()
459 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); in bcma_bus_register()
461 bus->drv_pcie2.core = core; in bcma_bus_register()
462 bcma_core_pcie2_init(&bus->drv_pcie2); in bcma_bus_register()
466 core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); in bcma_bus_register()
468 bus->drv_gmac_cmn.core = core; in bcma_bus_register()
469 bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); in bcma_bus_register()
473 bcma_register_devices(bus); in bcma_bus_register()
475 bcma_info(bus, "Bus registered\n"); in bcma_bus_register()
480 void bcma_bus_unregister(struct bcma_bus *bus) in bcma_bus_unregister() argument
484 err = bcma_gpio_unregister(&bus->drv_cc); in bcma_bus_unregister()
486 bcma_err(bus, "Some GPIOs are still in use.\n"); in bcma_bus_unregister()
488 bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); in bcma_bus_unregister()
490 bcma_core_chipcommon_b_free(&bus->drv_cc_b); in bcma_bus_unregister()
492 bcma_unregister_cores(bus); in bcma_bus_unregister()
500 int __init bcma_bus_early_register(struct bcma_bus *bus) in bcma_bus_early_register() argument
506 err = bcma_bus_scan(bus); in bcma_bus_early_register()
508 bcma_err(bus, "Failed to scan bus: %d\n", err); in bcma_bus_early_register()
513 core = bcma_find_core(bus, bcma_cc_core_id(bus)); in bcma_bus_early_register()
515 bus->drv_cc.core = core; in bcma_bus_early_register()
516 bcma_core_chipcommon_early_init(&bus->drv_cc); in bcma_bus_early_register()
520 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); in bcma_bus_early_register()
522 bus->drv_mips.core = core; in bcma_bus_early_register()
523 bcma_core_mips_early_init(&bus->drv_mips); in bcma_bus_early_register()
526 bcma_info(bus, "Early bus registered\n"); in bcma_bus_early_register()
532 int bcma_bus_suspend(struct bcma_bus *bus) in bcma_bus_suspend() argument
536 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_suspend()
547 int bcma_bus_resume(struct bcma_bus *bus) in bcma_bus_resume() argument
552 if (bus->drv_cc.core) { in bcma_bus_resume()
553 bus->drv_cc.setup_done = false; in bcma_bus_resume()
554 bcma_core_chipcommon_init(&bus->drv_cc); in bcma_bus_resume()
557 list_for_each_entry(core, &bus->cores, list) { in bcma_bus_resume()
573 drv->drv.bus = &bcma_bus_type; in __bcma_driver_register()