示例#1
0
int
com_arbus_match(device_t parent, cfdata_t cf, void *aux)
{
	struct arbus_attach_args	*aa = aux;
	struct com_regs			regs;
	int				rv;

	if (strcmp(aa->aa_name, cf->cf_name) != 0)
		return 0;

	if (com_is_console(aa->aa_bst, aa->aa_addr, &regs.cr_ioh))
		return 1;

	if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size,
		0, &regs.cr_ioh))
		return 0;

	regs.cr_iot = aa->aa_bst;
	regs.cr_iobase = aa->aa_addr;
	regs.cr_nports = aa->aa_size;
	com_arbus_initmap(&regs);

	rv = com_probe_subr(&regs);

	bus_space_unmap(aa->aa_bst, regs.cr_ioh, aa->aa_size);

	return rv;
}
示例#2
0
STATIC void
hd64461uart_attach(device_t parent, device_t self, void *aux)
{
	struct hd64461_attach_args *ha = aux;
	struct hd64461uart_softc *sc = device_private(self);
	struct com_softc *csc = &sc->sc_com;
	uint16_t r16, or16;
	bus_space_handle_t ioh;

	csc->sc_dev = self;
	sc->sc_chip = &hd64461uart_chip;

	sc->sc_module_id = ha->ha_module_id;

	if (!sc->sc_chip->console)
		hd64461uart_init();

	bus_space_map(sc->sc_chip->io_tag, 0x0, 8, 0, &ioh);
	csc->sc_frequency = COM_FREQ;
	HD64461UART_INIT_REGS(csc->sc_regs, sc->sc_chip->io_tag, ioh, 0x0);

	/* switch port to UART */

	/* supply clock */
	r16 = or16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
	r16 &= ~HD64461_SYSSTBCR_SURTSD;
	if (platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA))
		r16 &= ~(HD64461_SYSSTBCR_SAFECKE_IST |
		    HD64461_SYSSTBCR_SAFECKE_OST);
	hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, r16);

	/* sanity check */
	if (!com_probe_subr(&csc->sc_regs)) {
		aprint_error(": device problem. don't attach.\n");

		/* restore old clock */
		hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, or16);
		return;
	}

	com_attach_subr(csc);

	hd6446x_intr_establish(HD64461_INTC_UART, IST_LEVEL, IPL_TTY,
	    comintr, csc);
}
示例#3
0
void
com_pnpbios_attach(device_t parent, device_t self, void *aux)
{
	struct com_pnpbios_softc *psc = device_private(self);
	struct com_softc *sc = &psc->sc_com;
	struct pnpbiosdev_attach_args *aa = aux;
	bus_space_tag_t iot;
	bus_space_handle_t ioh;
	int iobase;

	sc->sc_dev = self;

	if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) {
		aprint_error(": can't get iobase\n");
		return;
	}

	if ((!com_is_console(iot, iobase, &ioh)) &&
	    pnpbios_io_map(aa->pbt, aa->resc, 0, &iot, &ioh)) { 	
		aprint_error(": can't map i/o space\n");
		return;
	}

	COM_INIT_REGS(sc->sc_regs, iot, ioh, iobase);

	aprint_normal("\n");
	pnpbios_print_devres(self, aa);

	aprint_normal("%s", device_xname(self));

	/*
	 * if the chip isn't something we recognise skip it.
	 */
	if (com_probe_subr(&sc->sc_regs) == 0) {
		aprint_error(": com probe failed\n");
		return;
	}

	sc->sc_frequency = 115200 * 16;

	com_attach_subr(sc);

	psc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_SERIAL,
					    comintr, sc);
}
示例#4
0
void
hd64465uart_attach(device_t parent, device_t self, void *aux)
{
	struct hd64465_attach_args *ha = aux;
	struct hd64465uart_softc *sc = device_private(self);
	struct com_softc *csc = &sc->sc_com;
	bus_space_handle_t ioh;

	csc->sc_dev = self;
	sc->sc_chip = &hd64465uart_chip;

	sc->sc_module_id = ha->ha_module_id;

	if (!sc->sc_chip->console)
		hd64465uart_init();

	bus_space_map(sc->sc_chip->io_tag, 0, 8, 0, &ioh);
	COM_INIT_REGS(csc->sc_regs, sc->sc_chip->io_tag, ioh, 0);
	csc->sc_frequency = COM_FREQ;

	/* supply clock XXX notyet */

	/* sanity check */
	if (!com_probe_subr(&csc->sc_regs)) {
		aprint_error(": device problem. don't attach.\n");

		/* stop clock XXX notyet */
		return;
	}

	com_attach_subr(csc);

	/* register interrupt handler */
	hd64465_intr_establish(HD64465_UART, IST_LEVEL, IPL_TTY,
	    comintr, self);
}
示例#5
0
static void
com_obio_attach(device_t parent, device_t self, void *aux)
{
	struct com_obio_softc *osc = device_private(self);
	struct com_softc *sc = &osc->osc_com;
	union obio_attach_args *uoba = aux;
	struct sbus_attach_args *sa = &uoba->uoba_sbus;
	bus_space_handle_t ioh;
	bus_space_tag_t iot;
	bus_addr_t iobase;

	sc->sc_dev = self;

	if (strcmp("modem", sa->sa_name) == 0) {
		osc->osc_tadpole = 1;
	}

	/*
	 * We're living on an obio that looks like an sbus slot.
	 */
	iot = sa->sa_bustag;
	iobase = sa->sa_offset;
	sc->sc_frequency = COM_FREQ;

	/*
	 * XXX: It would be nice to be able to split console input and
	 * output to different devices.  For now switch to serial
	 * console if PROM stdin is on serial (so that we can use DDB).
	 */
	if (prom_instance_to_package(prom_stdin()) == sa->sa_node)
		comcnattach(iot, iobase, B9600, sc->sc_frequency,
		    COM_TYPE_NORMAL, (CLOCAL | CREAD | CS8));

	if (!com_is_console(iot, iobase, &ioh) &&
	    sbus_bus_map(iot, sa->sa_slot, iobase, sa->sa_size,
			 BUS_SPACE_MAP_LINEAR, &ioh) != 0) {
		aprint_error(": can't map registers\n");
		return;
	}

	COM_INIT_REGS(sc->sc_regs, iot, ioh, iobase);

	if (osc->osc_tadpole) {
		*AUXIO4M_REG |= (AUXIO4M_LED|AUXIO4M_LTE);
		do {
			DELAY(100);
		} while (!com_probe_subr(&sc->sc_regs));
#if 0
		printf("modem: attach: lcr=0x%02x iir=0x%02x\n",
			bus_space_read_1(sc->sc_regs.iot, sc->sc_regs.ioh, 3),
			bus_space_read_1(sc->sc_regs.iot, sc->sc_regs.ioh, 2));
#endif
	}

	com_attach_subr(sc);

	if (sa->sa_nintr != 0) {
		(void)bus_intr_establish(sc->sc_regs.cr_iot, sa->sa_pri,
		    IPL_SERIAL, comintr, sc);
		evcnt_attach_dynamic(&osc->osc_intrcnt, EVCNT_TYPE_INTR, NULL,
		    device_xname(self), "intr");
	}

	if (!pmf_device_register1(self, com_suspend, com_resume, com_cleanup)) {
		aprint_error_dev(self, "could not establish shutdown hook");
	}
}