Пример #1
0
/*------------------------------------------------------------------------*
 *	usb_attach
 *------------------------------------------------------------------------*/
int
usb_attach(device_t dev)
{
	struct usb_bus *bus = device_get_ivars(dev);

	DPRINTF("\n");

	if (bus == NULL) {
		device_printf(dev, "USB device has no ivars\n");
		return (ENXIO);
	}

	if (usb_no_boot_wait == 0) {
		/* delay vfs_mountroot until the bus is explored */
		bus->bus_roothold = root_mount_hold(device_get_nameunit(dev));
	}

	usb_attach_sub(dev, bus);

	return (0);			/* return success */
}
Пример #2
0
/*------------------------------------------------------------------------*
 *	usb_attach
 *------------------------------------------------------------------------*/
static int
usb_attach(device_t dev)
{
	struct usb_bus *bus = device_get_ivars(dev);

	DPRINTF("\n");

	if (bus == NULL) {
		device_printf(dev, "USB device has no ivars\n");
		return (ENXIO);
	}

#if 0 /* XXX: Dragonfly does not seem to have this mechanism? */
	if (usb_no_boot_wait == 0) {
		/* delay vfs_mountroot until the bus is explored */
		bus->bus_roothold = root_mount_hold(device_get_nameunit(dev));
	}
#endif

	usb_attach_sub(dev, bus);

	return (0);			/* return success */
}
Пример #3
0
static int
cbb_pci_attach(device_t brdev)
{
	static int curr_bus_number = 2; /* XXX EVILE BAD (see below) */
	struct cbb_softc *sc = (struct cbb_softc *)device_get_softc(brdev);
	struct sysctl_ctx_list *sctx;
	struct sysctl_oid *soid;
	int rid;
	device_t parent;
	uint32_t pribus;

	parent = device_get_parent(brdev);
	mtx_init(&sc->mtx, device_get_nameunit(brdev), "cbb", MTX_DEF);
	sc->chipset = cbb_chipset(pci_get_devid(brdev), NULL);
	sc->dev = brdev;
	sc->cbdev = NULL;
	sc->exca[0].pccarddev = NULL;
	sc->domain = pci_get_domain(brdev);
	sc->secbus = pci_read_config(brdev, PCIR_SECBUS_2, 1);
	sc->subbus = pci_read_config(brdev, PCIR_SUBBUS_2, 1);
	sc->pribus = pcib_get_bus(parent);
	SLIST_INIT(&sc->rl);
	cbb_powerstate_d0(brdev);

	rid = CBBR_SOCKBASE;
	sc->base_res = bus_alloc_resource_any(brdev, SYS_RES_MEMORY, &rid,
	    RF_ACTIVE);
	if (!sc->base_res) {
		device_printf(brdev, "Could not map register memory\n");
		mtx_destroy(&sc->mtx);
		return (ENOMEM);
	} else {
		DEVPRINTF((brdev, "Found memory at %08lx\n",
		    rman_get_start(sc->base_res)));
	}

	sc->bst = rman_get_bustag(sc->base_res);
	sc->bsh = rman_get_bushandle(sc->base_res);
	exca_init(&sc->exca[0], brdev, sc->bst, sc->bsh, CBB_EXCA_OFFSET);
	sc->exca[0].flags |= EXCA_HAS_MEMREG_WIN;
	sc->exca[0].chipset = EXCA_CARDBUS;
	sc->chipinit = cbb_chipinit;
	sc->chipinit(sc);

	/*Sysctls*/
	sctx = device_get_sysctl_ctx(brdev);
	soid = device_get_sysctl_tree(brdev);
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "domain",
	    CTLFLAG_RD, &sc->domain, 0, "Domain number");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "pribus",
	    CTLFLAG_RD, &sc->pribus, 0, "Primary bus number");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "secbus",
	    CTLFLAG_RD, &sc->secbus, 0, "Secondary bus number");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "subbus",
	    CTLFLAG_RD, &sc->subbus, 0, "Subordinate bus number");
#if 0
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "memory",
	    CTLFLAG_RD, &sc->subbus, 0, "Memory window open");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "premem",
	    CTLFLAG_RD, &sc->subbus, 0, "Prefetch memroy window open");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "io1",
	    CTLFLAG_RD, &sc->subbus, 0, "io range 1 open");
	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "io2",
	    CTLFLAG_RD, &sc->subbus, 0, "io range 2 open");
#endif

	/*
	 * This is a gross hack.  We should be scanning the entire pci
	 * tree, assigning bus numbers in a way such that we (1) can
	 * reserve 1 extra bus just in case and (2) all sub busses
	 * are in an appropriate range.
	 */
	DEVPRINTF((brdev, "Secondary bus is %d\n", sc->secbus));
	pribus = pci_read_config(brdev, PCIR_PRIBUS_2, 1);
	if (sc->secbus == 0 || sc->pribus != pribus) {
		if (curr_bus_number <= sc->pribus)
			curr_bus_number = sc->pribus + 1;
		if (pribus != sc->pribus) {
			DEVPRINTF((brdev, "Setting primary bus to %d\n",
			    sc->pribus));
			pci_write_config(brdev, PCIR_PRIBUS_2, sc->pribus, 1);
		}
		sc->secbus = curr_bus_number++;
		sc->subbus = curr_bus_number++;
		DEVPRINTF((brdev, "Secondary bus set to %d subbus %d\n",
		    sc->secbus, sc->subbus));
		pci_write_config(brdev, PCIR_SECBUS_2, sc->secbus, 1);
		pci_write_config(brdev, PCIR_SUBBUS_2, sc->subbus, 1);
	}

	/* attach children */
	sc->cbdev = device_add_child(brdev, "cardbus", -1);
	if (sc->cbdev == NULL)
		DEVPRINTF((brdev, "WARNING: cannot add cardbus bus.\n"));
	else if (device_probe_and_attach(sc->cbdev) != 0)
		DEVPRINTF((brdev, "WARNING: cannot attach cardbus bus!\n"));

	sc->exca[0].pccarddev = device_add_child(brdev, "pccard", -1);
	if (sc->exca[0].pccarddev == NULL)
		DEVPRINTF((brdev, "WARNING: cannot add pccard bus.\n"));
	else if (device_probe_and_attach(sc->exca[0].pccarddev) != 0)
		DEVPRINTF((brdev, "WARNING: cannot attach pccard bus.\n"));

	/* Map and establish the interrupt. */
	rid = 0;
	sc->irq_res = bus_alloc_resource_any(brdev, SYS_RES_IRQ, &rid,
	    RF_SHAREABLE | RF_ACTIVE);
	if (sc->irq_res == NULL) {
		device_printf(brdev, "Unable to map IRQ...\n");
		goto err;
	}

	if (bus_setup_intr(brdev, sc->irq_res, INTR_TYPE_AV | INTR_MPSAFE,
	    cbb_pci_filt, NULL, sc, &sc->intrhand)) {
		device_printf(brdev, "couldn't establish interrupt\n");
		goto err;
	}

	/* reset 16-bit pcmcia bus */
	exca_clrb(&sc->exca[0], EXCA_INTR, EXCA_INTR_RESET);

	/* turn off power */
	cbb_power(brdev, CARD_OFF);

	/* CSC Interrupt: Card detect interrupt on */
	cbb_setb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_CD);

	/* reset interrupt */
	cbb_set(sc, CBB_SOCKET_EVENT, cbb_get(sc, CBB_SOCKET_EVENT));

	if (bootverbose)
		cbb_print_config(brdev);

	/* Start the thread */
	if (kproc_create(cbb_event_thread, sc, &sc->event_thread, 0, 0,
	    "%s event thread", device_get_nameunit(brdev))) {
		device_printf(brdev, "unable to create event thread.\n");
		panic("cbb_create_event_thread");
	}
	sc->sc_root_token = root_mount_hold(device_get_nameunit(sc->dev));
	return (0);
err:
	if (sc->irq_res)
		bus_release_resource(brdev, SYS_RES_IRQ, 0, sc->irq_res);
	if (sc->base_res) {
		bus_release_resource(brdev, SYS_RES_MEMORY, CBBR_SOCKBASE,
		    sc->base_res);
	}
	mtx_destroy(&sc->mtx);
	return (ENOMEM);
}