Beispiel #1
0
void *
aupci_intr_establish(void *v, pci_intr_handle_t ih, int ipl,
                     int (*handler)(void *), void *arg)
{

    return (au_intr_establish(ih, 0, ipl, IST_LEVEL_LOW, handler, arg));
}
Beispiel #2
0
int
aucom_aubus_enable(struct com_softc *sc)
{
	struct aucom_aubus_softc *asc = (void *)sc; /* XXX mi prototype */

	/* Ignore requests to enable an already enabled console. */
	if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE) && (asc->sc_ih != NULL))
		return (0);

	/* Enable the UART module. */
	bus_space_write_1(sc->sc_iot, sc->sc_ioh, UART_MODULE_CONTROL,
	    UMC_ME | UMC_CE);

	/* Establish the interrupt. */
	asc->sc_ih = au_intr_establish(asc->sc_irq, 0, IPL_SERIAL, IST_LEVEL,
	    aucomintr, sc);
	if (asc->sc_ih == NULL) {
		printf("%s: unable to establish interrupt\n",
		    sc->sc_dev.dv_xname);
		return (1);
	}

	return (0);
}
void
ohci_aubus_attach(device_t parent, device_t self, void *aux)
{
	ohci_softc_t *sc = device_private(self);
	void *ih;
	usbd_status r;
	uint32_t x, tmp;
	bus_addr_t usbh_base, usbh_enable;
	struct aubus_attach_args *aa = aux;

	r = 0;

	usbh_base = aa->aa_addrs[0];
	usbh_enable = aa->aa_addrs[1];
	sc->sc_size = aa->aa_addrs[2];
	sc->iot = aa->aa_st;
	sc->sc_bus.dmatag = (bus_dma_tag_t)aa->aa_dt;

	sc->sc_dev = self;
	sc->sc_bus.hci_private = sc;

	if (bus_space_map(sc->iot, usbh_base, sc->sc_size, 0, &sc->ioh)) {
		aprint_error_dev(self, "unable to map USBH registers\n");
		return;
	}
	/*
	 * Enable the USB Host controller here.
	 * As per 7.2 in the Au1500 manual:
	 *
	 *  (1) Set CE bit to enable clocks.
	 *  (2) Set E to enable OHCI
	 *  (3) Clear HCFS in OHCI_CONTROL.
	 *  (4) Wait for RD bit to be set.
	 */
	x = bus_space_read_4(sc->iot, sc->ioh, usbh_enable);
	x |= UE_CE;
	bus_space_write_4(sc->iot, sc->ioh, usbh_enable, x);
	delay(10);
	x |= UE_E;
#ifdef __MIPSEB__
	x |= UE_BE;
#endif
	bus_space_write_4(sc->iot, sc->ioh, usbh_enable, x);
	delay(10);
	x = bus_space_read_4(sc->iot, sc->ioh, OHCI_CONTROL);
	x &= ~(OHCI_HCFS_MASK);
	bus_space_write_4(sc->iot, sc->ioh, OHCI_CONTROL, x);
	delay(10);
	/*  Need to read USBH_ENABLE twice in succession according to
         *  au1500 Errata #7.
         */
	for (x = 100; x; x--) {
		bus_space_read_4(sc->iot, sc->ioh, usbh_enable);
		tmp = bus_space_read_4(sc->iot, sc->ioh, usbh_enable);
		if (tmp&UE_RD)
			break;
		delay(1000);
	}
	printf(": Alchemy OHCI\n");

	/* Disable OHCI interrupts */
	bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
				OHCI_ALL_INTRS);
	/* hook interrupt */
	ih = au_intr_establish(aa->aa_irq[0], 0, IPL_USB, IST_LEVEL_LOW,
			ohci_intr, sc);
	if (ih == NULL) {
		aprint_error_dev(self,"couldn't establish interrupt\n");
	}

	sc->sc_endian = OHCI_HOST_ENDIAN;

	if (x)
		r = ohci_init(sc);
	if (r != USBD_NORMAL_COMPLETION) {
		aprint_error_dev(self, "init failed, error=%d\n", r);
		au_intr_disestablish(ih);
		return;
	}

	/* Attach USB device */
	sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);

}
Beispiel #4
0
void
ohci_aubus_attach(struct device *parent, struct device *self, void *aux)
{
	ohci_softc_t *sc = (ohci_softc_t *)self;
	void *ih;
	usbd_status r;
	uint32_t x, tmp;
	struct aubus_attach_args *aa = aux;

	r = 0;

	sc->sc_size = USBH_SIZE;
	sc->iot = aa->aa_st;
	sc->sc_bus.dmatag = (bus_dma_tag_t)aa->aa_dt;

	if (bus_space_map(sc->iot, USBH_BASE, USBH_SIZE, 0, &sc->ioh)) {
		printf("%s: Unable to map USBH registers\n",
			sc->sc_bus.bdev.dv_xname);
		return;
	}
	/*
	 * Enable the USB Host controller here.
	 * As per 7.2 in the Au1500 manual:
	 *
	 *  (1) Set CE bit to enable clocks.
	 *  (2) Set E to enable OHCI
	 *  (3) Clear HCFS in OHCI_CONTROL.
	 *  (4) Wait for RD bit to be set.
	 */
	x = bus_space_read_4(sc->iot, sc->ioh, USBH_ENABLE);
	x |= UE_CE;
	bus_space_write_4(sc->iot, sc->ioh, USBH_ENABLE, x);
	delay(10);
	x |= UE_E;
#ifdef __MIPSEB__
	x |= UE_BE;
#endif
	bus_space_write_4(sc->iot, sc->ioh, USBH_ENABLE, x);
	delay(10);
	x = bus_space_read_4(sc->iot, sc->ioh, OHCI_CONTROL);
	x &= ~(OHCI_HCFS_MASK);
	bus_space_write_4(sc->iot, sc->ioh, OHCI_CONTROL, x);
	delay(10);
	/*  Need to read USBH_ENABLE twice in succession according to
         *  au1500 Errata #7.
         */
	for (x = 100; x; x--) {
		bus_space_read_4(sc->iot, sc->ioh, USBH_ENABLE);
		tmp = bus_space_read_4(sc->iot, sc->ioh, USBH_ENABLE);
		if (tmp&UE_RD)
			break;
		delay(1000);
	}
	printf(": Au1X00 OHCI\n");

	/* Disable OHCI interrupts */
	bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
				OHCI_ALL_INTRS);
	/* hook interrupt */
	ih = au_intr_establish(aa->aa_irq[0], 0, IPL_USB, IST_LEVEL_LOW,
			ohci_intr, sc);
	if (ih == NULL) {
		printf("%s: couldn't establish interrupt\n",
			sc->sc_bus.bdev.dv_xname);
	}

	if (x)
		r = ohci_init(sc);
	if (r != USBD_NORMAL_COMPLETION) {
		printf("%s: init failed, error=%d\n",
			sc->sc_bus.bdev.dv_xname, r);
		au_intr_disestablish(ih);
		return;
	}

	/* Attach USB device */
	sc->sc_child = config_found((void *)sc, &sc->sc_bus, usbctlprint);

}