Ejemplo n.º 1
0
void
osiop_pcctwo_attach(struct device *parent, struct device *self, void *aux)
{
	struct pcctwosoftc *pcctwo = (struct pcctwosoftc *)parent;
	struct osiop_softc *sc = (struct osiop_softc *)self;
	struct osiop_pcctwo_softc *psc = (struct osiop_pcctwo_softc *)self;
	struct confargs *ca = aux;
	int tmp;
	extern int cpuspeed;

	sc->sc_bst = ca->ca_iot;
	sc->sc_dmat = ca->ca_dmat;

	if (bus_space_map(sc->sc_bst, ca->ca_paddr, OSIOP_NREGS, 0,
	    &sc->sc_reg) != 0) {
		printf(": couldn't map I/O ports\n");
		return;
	}

	switch (brdtyp) {
#ifdef MVME197
	case BRD_197:
		sc->sc_clock_freq = cpuspeed;
		break;
#endif
#ifdef MVME187
	case BRD_187:
	case BRD_8120:
		sc->sc_clock_freq = cpuspeed * 2;
		break;
#endif
	default:
		sc->sc_clock_freq = 50;	/* wild guess */
		break;
	}

	sc->sc_dcntl = OSIOP_DCNTL_EA;
	sc->sc_ctest7 = OSIOP_CTEST7_TT1;	/* no snooping */
	sc->sc_dmode = OSIOP_DMODE_BL4;	/* burst length = 4 */
	sc->sc_flags = 0;
	sc->sc_id = 7;	/* XXX should read from CNFG block in nvram */

	tmp = bootpart;
	if (ca->ca_paddr != bootaddr)
		bootpart = -1;	/* never match */

	osiop_attach(sc);

	bootpart = tmp;

	psc->sc_ih.ih_fn = osiop_pcctwo_intr;
	psc->sc_ih.ih_arg = sc;
	psc->sc_ih.ih_wantframe = 0;
	psc->sc_ih.ih_ipl = ca->ca_ipl;

	/* enable device interrupts */
	pcctwointr_establish(PCC2V_SCSI, &psc->sc_ih, self->dv_xname);
	bus_space_write_1(pcctwo->sc_iot, pcctwo->sc_ioh,
	    PCCTWO_SCSIICR, PCC2_IRQ_IEN | (ca->ca_ipl & PCC2_IRQ_IPL));
}
Ejemplo n.º 2
0
/* ARGSUSED */
void
osiop_pcctwo_attach(device_t parent, device_t self, void *aux)
{
	struct pcctwo_attach_args *pa;
	struct osiop_pcctwo_softc *sc;
	int clk, ctest7;

	sc = device_private(self);
	pa = aux;

	/*
	 * On the '17x the siop's clock is the same as the CPU clock.
	 * On the other boards, the siop runs at twice the CPU clock.
	 * Also, the 17x cannot do proper bus-snooping (the 68060 is
	 * lame in this repspect) so don't enable it on that board.
	 */
#ifdef MVME68K
	if (machineid == MVME_172 || machineid == MVME_177) {
		clk = cpuspeed;
		ctest7 = 0;
	} else {
		clk = cpuspeed * 2;
		ctest7 = OSIOP_CTEST7_SC0;
	}
#else
#error Set up siop clock speed for mvme187
#endif

	sc->sc_osiop.sc_dev = self;
	sc->sc_osiop.sc_bst = pa->pa_bust;
	sc->sc_osiop.sc_dmat = pa->pa_dmat;
	(void) bus_space_map(sc->sc_osiop.sc_bst, pa->pa_offset, OSIOP_NREGS,
	    0, &sc->sc_osiop.sc_reg);

	sc->sc_osiop.sc_clock_freq = clk;
	sc->sc_osiop.sc_ctest7 = ctest7 | OSIOP_CTEST7_TT1;
	sc->sc_osiop.sc_dcntl = OSIOP_DCNTL_EA;
	sc->sc_osiop.sc_id = 7;	/* XXX: Could use NVRAM setting */

	/* Attach main MI driver */
	osiop_attach(&sc->sc_osiop);

	/* Register the event counter */
	evcnt_attach_dynamic(&sc->sc_evcnt, EVCNT_TYPE_INTR,
	    pcctwointr_evcnt(pa->pa_ipl), "disk",
	    device_xname(sc->sc_osiop.sc_dev));

	/* Hook the chip's interrupt */
	pcctwointr_establish(PCCTWOV_SCSI, osiop_pcctwo_intr, pa->pa_ipl, sc,
	    &sc->sc_evcnt);
}
Ejemplo n.º 3
0
void
osiop_mvme68k_attach(struct device *parent, struct device *self, void *aux)
{
	struct osiop_softc *sc = (struct osiop_softc *)self;
	struct osiop_mvme68k_softc *psc = (struct osiop_mvme68k_softc *)self;
	struct confargs *ca = aux;
	int tmp;
	extern int cpuspeed;

	sc->sc_bst = ca->ca_iot;
	sc->sc_dmat = ca->ca_dmat;

	if (bus_space_map(sc->sc_bst, (bus_addr_t)ca->ca_paddr, OSIOP_NREGS, 0,
	    &sc->sc_reg) != 0) {
		printf(": couldn't map I/O ports\n");
		return;
	}

	switch (cputyp) {
#ifdef MVME172
	case CPU_172:	/* XXX this is a guess! Same as MVME177? */
#endif
#ifdef MVME177
	case CPU_176:
	case CPU_177:
#endif
#if defined(MVME172) || defined(MVME177)
		/* MVME177 clock documented as fixed 50MHz in VME177A/HX */
		sc->sc_clock_freq = 50;
#if 0
		/* No select timeouts on MC68060 */
		/* XXX 177 works better with them! */
		sc->sc_ctest7 = OSIOP_CTEST7_SC0 | OSIOP_CTEST7_TT1 |
		    OSIOP_CTEST7_STD;
#else
		sc->sc_ctest7 = OSIOP_CTEST7_SC0 | OSIOP_CTEST7_TT1;
#endif
		break;
#endif
	default:
		/* XXX does the clock frequency change for 33MHz processors? */
		sc->sc_clock_freq = cpuspeed * 2;
		sc->sc_ctest7 = OSIOP_CTEST7_SC0 | OSIOP_CTEST7_TT1;
		break;
	}

	sc->sc_dcntl = OSIOP_DCNTL_EA;
	sc->sc_dmode = OSIOP_DMODE_BL4;	/* burst length = 4 */
	sc->sc_flags = 0;
	sc->sc_id = 7;	/* XXX should read from CNFG block in nvram */

	tmp = bootpart;
	if (ca->ca_paddr != bootaddr)
		bootpart = -1;	/* never match */

	osiop_attach(sc);

	bootpart = tmp;

	psc->sc_ih.ih_fn = osiop_mvme68k_intr;
	psc->sc_ih.ih_arg = sc;
	psc->sc_ih.ih_wantframe = 0;
	psc->sc_ih.ih_ipl = ca->ca_ipl;

	/* enable device interrupts */
	switch (ca->ca_bustype) {
#if NMC > 0
	case BUS_MC:
		mcintr_establish(MCV_NCR, &psc->sc_ih, self->dv_xname);
		sys_mc->mc_ncrirq = ca->ca_ipl | MC_IRQ_IEN;
		break;
#endif
#if NPCCTWO > 0
	case BUS_PCCTWO:
		pcctwointr_establish(PCC2V_NCR, &psc->sc_ih, self->dv_xname);
		sys_pcc2->pcc2_ncrirq = ca->ca_ipl | PCC2_IRQ_IEN;
		break;
#endif
	}
}
Ejemplo n.º 4
0
/* ARGSUSED */
void
ie_pcctwo_attach(device_t parent, device_t self, void *aux)
{
	struct pcctwo_attach_args *pa;
	struct ie_pcctwo_softc *ps;
	struct ie_softc *sc;
	bus_dma_segment_t seg;
	int rseg;

	pa = aux;
	ps = device_private(self);
	sc = &ps->ps_ie;
	sc->sc_dev = self;

	/* Map the MPU controller registers in PCCTWO space */
	ps->ps_bust = pa->pa_bust;
	bus_space_map(pa->pa_bust, pa->pa_offset, IE_MPUREG_SIZE,
	    0, &ps->ps_bush);

	/* Get contiguous DMA-able memory for the IE chip */
	if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0,
		&seg, 1, &rseg,
		BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT) != 0) {
		aprint_error_dev(self, "Failed to allocate ether buffer\n");
		return;
	}
	if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size,
	    (void **) & sc->sc_maddr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) {
		aprint_error_dev(self, "Failed to map ether buffer\n");
		bus_dmamem_free(pa->pa_dmat, &seg, rseg);
		return;
	}
	sc->bt = pa->pa_bust;
	sc->bh = (bus_space_handle_t) sc->sc_maddr;	/* XXXSCW Better way? */
	sc->sc_iobase = (void *) seg.ds_addr;
	sc->sc_msize = ether_data_buff_size;
	memset(sc->sc_maddr, 0, ether_data_buff_size);

	sc->hwreset = ie_reset;
	sc->hwinit = ie_hwinit;
	sc->chan_attn = ie_atten;
	sc->intrhook = ie_intrhook;
	sc->memcopyin = ie_copyin;
	sc->memcopyout = ie_copyout;
	sc->ie_bus_barrier = NULL;
	sc->ie_bus_read16 = ie_read_16;
	sc->ie_bus_write16 = ie_write_16;
	sc->ie_bus_write24 = ie_write_24;
	sc->sc_mediachange = NULL;
	sc->sc_mediastatus = NULL;

	sc->scp = 0;
	sc->iscp = sc->scp + ((IE_SCP_SZ + 15) & ~15);
	sc->scb = sc->iscp + IE_ISCP_SZ;
	sc->buf_area = sc->scb + IE_SCB_SZ;
	sc->buf_area_sz = sc->sc_msize - (sc->buf_area - sc->scp);

	/*
	 * BUS_USE -> Interrupt Active High (edge-triggered),
	 *            Lock function enabled,
	 *            Internal bus throttle timer triggering,
	 *            82586 operating mode.
	 */
	ie_write_16(sc, IE_SCP_BUS_USE(sc->scp), IE_BUS_USE);
	ie_write_24(sc, IE_SCP_ISCP(sc->scp), sc->iscp);
	ie_write_16(sc, IE_ISCP_SCB(sc->iscp), sc->scb);
	ie_write_24(sc, IE_ISCP_BASE(sc->iscp), sc->scp);

	/* This has the side-effect of resetting the chip */
	i82586_proberam(sc);

	/* Attach the MI back-end */
	i82586_attach(sc, "onboard", mvme_ea, NULL, 0, 0);

	/* Register the event counter */
	evcnt_attach_dynamic(&ps->ps_evcnt, EVCNT_TYPE_INTR,
	    pcctwointr_evcnt(pa->pa_ipl), "ether", device_xname(self));

	/* Finally, hook the hardware interrupt */
	pcctwointr_establish(PCCTWOV_LANC_IRQ, i82586_intr, pa->pa_ipl, sc,
	    &ps->ps_evcnt);
}