Esempio n. 1
0
static int
iop_pci_attach(device_t dev)
{
    struct iop_softc *sc = device_get_softc(dev);
    int rid;

    bzero(sc, sizeof(struct iop_softc));

    /* get resources */
    rid = 0x10;
    sc->r_mem = 
	bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);

    if (!sc->r_mem)
	return 0;

    rid = 0x00;
    sc->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
				       RF_SHAREABLE | RF_ACTIVE);

    /* now setup the infrastructure to talk to the device */
    pci_enable_busmaster(dev);

    sc->ibase = rman_get_virtual(sc->r_mem);
    sc->reg = (struct i2o_registers *)sc->ibase;
    sc->dev = dev;
    mtx_init(&sc->mtx, "pst lock", NULL, MTX_DEF);

    if (!iop_init(sc))
	return 0;
    return bus_generic_attach(dev);
}
Esempio n. 2
0
sint32 EMU_CALL psx_init(void) {
  sint32 r;
  psx_endian_check();
  psx_size_check();

  // BIOS must be loaded first
  if ( !bios_get_image_native() || !bios_get_imagesize() ) return 0;
  //
  // BIOS must be a power of 2, or all hell breaks loose
  //
  { uint32 s = bios_get_imagesize();
    if(s & (s - 1)) psx_hang("imagesize error");
  }
  //
  // Environment inits
  //
  ps1preboot = getenvhex("ps1preboot");
  ps2preboot = getenvhex("ps2preboot");

  r = iop_init(); if(r) return r;
  r = ioptimer_init(); if(r) return r;
  r = r3000_init(); if(r) return r;
  r = spu_init(); if(r) return r;
  r = spucore_init(); if(r) return r;
  r = vfs_init(); if(r) return r;
  library_was_initialized = 1;
  return 0;
}
Esempio n. 3
0
static void
iop_pci_attach(device_t parent, device_t self, void *aux)
{
	struct pci_attach_args *pa;
	struct iop_softc *sc;
	pci_chipset_tag_t pc;
	pci_intr_handle_t ih;
	const char *intrstr;
	pcireg_t reg;
	int i;
	char intrbuf[PCI_INTRSTR_LEN];

	sc = device_private(self);
	sc->sc_dev = self;
	pa = aux;
	pc = pa->pa_pc;
	printf(": ");

	/*
	 * The kernel always uses the first memory mapping to communicate
	 * with the IOP.
	 */
	for (i = PCI_MAPREG_START; i < PCI_MAPREG_END; i += 4) {
		reg = pci_conf_read(pc, pa->pa_tag, i);
		if (PCI_MAPREG_TYPE(reg) == PCI_MAPREG_TYPE_MEM) {
			sc->sc_memaddr = PCI_MAPREG_MEM_ADDR(reg);
			break;
		}
	}
	if (i == PCI_MAPREG_END) {
		printf("can't find mapping\n");
		return;
	}

	/* Map the register window. */
	if (pci_mapreg_map(pa, i, PCI_MAPREG_TYPE_MEM, 0, &sc->sc_iot,
	    &sc->sc_ioh, NULL, NULL)) {
		aprint_error_dev(self, "can't map register window\n");
		return;
	}

	/* Map the 2nd register window. */
	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DPT &&
	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DPT_RAID_2005S) {
		i += 4;	/* next BAR */
		if (i == PCI_MAPREG_END) {
			printf("can't find mapping\n");
			return;
		}

#if 0
		/* Should we check it? (see FreeBSD's asr driver) */
		reg = pci_conf_read(pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
		printf("subid %x, %x\n", PCI_VENDOR(reg), PCI_PRODUCT(reg));
#endif
		if (pci_mapreg_map(pa, i, PCI_MAPREG_TYPE_MEM, 0,
		    &sc->sc_msg_iot, &sc->sc_msg_ioh, NULL, NULL)) {
			aprint_error_dev(self, "can't map 2nd register window\n");
			return;
		}
	} else {
		/* iop devices other than 2005S */
		sc->sc_msg_iot = sc->sc_iot;
		sc->sc_msg_ioh = sc->sc_ioh;
	}

	sc->sc_pcibus = pa->pa_bus;
	sc->sc_pcidev = pa->pa_device;
	sc->sc_dmat = pa->pa_dmat;
	sc->sc_bus_memt = pa->pa_memt;
	sc->sc_bus_iot = pa->pa_iot;

	/* Enable the device. */
	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
		       reg | PCI_COMMAND_MASTER_ENABLE);

	/* Map and establish the interrupt.. */
	if (pci_intr_map(pa, &ih)) {
		printf("can't map interrupt\n");
		return;
	}
	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, iop_intr, sc);
	if (sc->sc_ih == NULL) {
		printf("can't establish interrupt");
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		return;
	}

	/* Attach to the bus-independent code. */
	iop_init(sc, intrstr);
}