static int bcma_nexus_attach(device_t dev) { int erom_rid; int error; struct resource *erom_res; const struct bhnd_chipid *cid = BHND_BUS_GET_CHIPID(device_get_parent(dev), dev); erom_rid = BCMA_NEXUS_EROM_RID; error = bus_set_resource(dev, SYS_RES_MEMORY, erom_rid, cid->enum_addr, BCMA_EROM_TABLE_SIZE); if (error != 0) { BHND_ERROR_DEV(dev, "failed to set EROM resource"); return (error); } /* Map the EROM resource and enumerate our children. */ BHND_DEBUG_DEV(dev, "erom enum address: %jx", cid->enum_addr); erom_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &erom_rid, RF_ACTIVE); if (erom_res == NULL) { BHND_ERROR_DEV(dev, "failed to allocate EROM resource"); return (ENXIO); } BHND_DEBUG_DEV(dev, "erom scanning start address: %p", rman_get_virtual(erom_res)); error = bcma_add_children(dev, erom_res, BCMA_EROM_TABLE_START); /* Clean up */ bus_release_resource(dev, SYS_RES_MEMORY, erom_rid, erom_res); if (error) return (error); /* Call our superclass' implementation */ return (bcma_attach(dev)); }
static int bhnd_ehci_detach(device_t self) { ehci_softc_t *sc; int err; sc = device_get_softc(self); /* during module unload there are lots of children leftover */ device_delete_children(self); /* * disable interrupts that might have been switched on in ehci_init */ #ifdef notyet if (sc->sc_io_res) { EWRITE4(sc, EHCI_USBINTR, 0); EWRITE4(sc, USB_BRIDGE_INTR_MASK, 0); } #endif if (sc->sc_irq_res && sc->sc_intr_hdl) { /* * only call ehci_detach() after ehci_init() */ ehci_detach(sc); err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); if (err) /* XXX or should we panic? */ BHND_ERROR_DEV(self, "Could not tear down irq, %d", err); sc->sc_intr_hdl = NULL; } if (sc->sc_irq_res) { bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); sc->sc_irq_res = NULL; } if (sc->sc_io_res) { bus_release_resource(self, SYS_RES_MEMORY, 0, sc->sc_io_res); sc->sc_io_res = NULL; } usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc); return (0); }
static int bhnd_ehci_attach(device_t self) { ehci_softc_t *sc; int err; int rid; sc = device_get_softc(self); /* initialise some bus fields */ sc->sc_bus.parent = self; sc->sc_bus.devices = sc->sc_devices; sc->sc_bus.devices_max = EHCI_MAX_DEVICES; sc->sc_bus.usbrev = USB_REV_2_0; sc->sc_bus.dma_bits = 32; /* get all DMA memory */ if ((err = usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) != 0) { BHND_ERROR_DEV(self, "can't allocate DMA memory: %d", err); return (ENOMEM); } rid = 0; sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!sc->sc_io_res) { BHND_ERROR_DEV(self, "Could not map memory"); goto error; } sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); sc->sc_io_size = rman_get_size(sc->sc_io_res); rid = 0; sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->sc_irq_res == NULL) { BHND_ERROR_DEV(self, "Could not allocate error irq"); bhnd_ehci_detach(self); return (ENXIO); } sc->sc_bus.bdev = device_add_child(self, "usbus", -1); if (!sc->sc_bus.bdev) { BHND_ERROR_DEV(self, "Could not add USB device"); goto error; } device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); device_set_desc(sc->sc_bus.bdev, EHCI_HC_DEVSTR); sprintf(sc->sc_vendor, "Broadcom"); err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl); if (err) { BHND_ERROR_DEV(self, "Could not setup irq, %d", err); sc->sc_intr_hdl = NULL; goto error; } sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG; sc->sc_vendor_post_reset = bhnd_ehci_post_reset; err = ehci_init(sc); if (!err) { err = device_probe_and_attach(sc->sc_bus.bdev); } if (err) { BHND_ERROR_DEV(self, "USB init failed err=%d", err); goto error; } return (0); error: bhnd_ehci_detach(self); return (ENXIO); }