void ddekit_pci_init_only_one(int skip) { /* * If skip is not PCI_TAKE_ALL this function will skip skip PCI DEVICES * and than only take on PCI device. */ int res, count, more, take_all = 0; if (skip == -1) { take_all = 1; } DDEBUG_MSG_INFO("Initializing PCI subsystem..."); pci_init(); /* * Iterate the PCI-bus */ more = 1; for (count = 0 ; count < PCI_MAX_DEVS ; count++) { struct ddekit_pci_dev *d = &pci_devs[count]; if (more) { if ( count==0 ) { res = pci_first_dev(&d->devind, &d->vid, &d->did); } else { d->devind = pci_devs[count-1].devind; res = pci_next_dev(&d->devind, &d->vid, &d->did); } if (res && d->devind!=0 && (take_all || skip == 0)) { DDEBUG_MSG_VERBOSE("Found pci device: " "(ind: %x, vid: %x, did: %x) " "mapped to slot %x", d->devind, d->vid, d->did, count); d->slot = count; d->bus = 0; d->func = 0; res = pci_reserve_ok(d->devind); if (res != 0) { ddekit_panic("ddekit_pci_init_only_one: " "pci_reserve_ok failed (%d)\n",res); } } else { /* no more PCI devices */ DDEBUG_MSG_VERBOSE("Found %d PCI devices.", count); d->devind = -1; more = 0; } /*if (res) */ } else { d->devind = -1; } if (!take_all) { skip--; } } }
/*===========================================================================* * e1000_probe * *===========================================================================*/ PRIVATE int e1000_probe(e1000_t *e, int skip) { int i, r, devind; u16_t vid, did; u32_t status[2]; u32_t gfpreg, sector_base_addr; char *dname; E1000_DEBUG(3, ("%s: probe()\n", e->name)); /* * Attempt to iterate the PCI bus. Start at the beginning. */ if ((r = pci_first_dev(&devind, &vid, &did)) == 0) { return FALSE; } /* Loop devices on the PCI bus. */ for(;;) { for (i = 0; pcitab_e1000[i] != 0; i++) { if (vid != 0x8086) continue; if (did != pcitab_e1000[i]) continue; else break; } if (pcitab_e1000[i] != 0) { if (!skip) break; skip--; } if (!(r = pci_next_dev(&devind, &vid, &did))) { return FALSE; } } /* * Successfully detected an Intel Pro/1000 on the PCI bus. */ e->status |= E1000_DETECTED; e->eeprom_read = eeprom_eerd; /* * Set card specific properties. */ switch (did) { case E1000_DEV_ID_ICH10_R_BM_LF: e->eeprom_read = eeprom_ich; break; case E1000_DEV_ID_82574L: case E1000_DEV_ID_82541GI_LF: e->eeprom_done_bit = (1 << 1); e->eeprom_addr_off = 2; break; default: e->eeprom_done_bit = (1 << 4); e->eeprom_addr_off = 8; break; } /* Inform the user about the new card. */ if (!(dname = pci_dev_name(vid, did))) { dname = "Intel Pro/1000 Gigabit Ethernet Card"; } E1000_DEBUG(1, ("%s: %s (%04x/%04x/%02x) at %s\n", e->name, dname, vid, did, e->revision, pci_slot_name(devind))); /* Reserve PCI resources found. */ if ((r = pci_reserve_ok(devind)) != OK) { panic("failed to reserve PCI device: %d", r); } /* Read PCI configuration. */ e->irq = pci_attr_r8(devind, PCI_ILR); e->regs = vm_map_phys(SELF, (void *) pci_attr_r32(devind, PCI_BAR), 0x20000); /* Verify mapped registers. */ if (e->regs == (u8_t *) -1) { panic("failed to map hardware registers from PCI"); } /* Optionally map flash memory. */ if (did != E1000_DEV_ID_82540EM && did != E1000_DEV_ID_82540EP && pci_attr_r32(devind, PCI_BAR_2)) { if((e->flash = vm_map_phys(SELF, (void *) pci_attr_r32(devind, PCI_BAR_2), 0x10000)) == MAP_FAILED) { if((e->flash = vm_map_phys(SELF, (void *) pci_attr_r32(devind, PCI_BAR_2), 0x1000)) == MAP_FAILED) { panic("e1000: couldn't map in flash."); } } gfpreg = E1000_READ_FLASH_REG(e, ICH_FLASH_GFPREG); /* * sector_base_addr is a "sector"-aligned address (4096 bytes) */ sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK; /* flash_base_addr is byte-aligned */ e->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT; } /* * Output debug information. */ status[0] = e1000_reg_read(e, E1000_REG_STATUS); E1000_DEBUG(3, ("%s: MEM at %p, IRQ %d\n", e->name, e->regs, e->irq)); E1000_DEBUG(3, ("%s: link %s, %s duplex\n", e->name, status[0] & 3 ? "up" : "down", status[0] & 1 ? "full" : "half")); return TRUE; }