static int orinoco_plx_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; u8 __iomem *attr_mem = NULL; u32 csr_reg, plx_addr; struct orinoco_private *priv = NULL; struct orinoco_plx_card *card; unsigned long pccard_ioaddr = 0; unsigned long pccard_iolen = 0; struct net_device *dev = NULL; void __iomem *mem; int i; err = pci_enable_device(pdev); if (err) { printk(KERN_ERR PFX "Cannot enable PCI device\n"); return err; } err = pci_request_regions(pdev, DRIVER_NAME); if (err != 0) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } /* Resource 1 is mapped to PLX-specific registers */ plx_addr = pci_resource_start(pdev, 1); /* Resource 2 is mapped to the PCMCIA attribute memory */ attr_mem = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); if (!attr_mem) { printk(KERN_ERR PFX "Cannot remap PCMCIA space\n"); goto fail_map_attr; } /* Resource 3 is mapped to the PCMCIA I/O address space */ pccard_ioaddr = pci_resource_start(pdev, 3); pccard_iolen = pci_resource_len(pdev, 3); mem = pci_iomap(pdev, 3, 0); if (!mem) { err = -ENOMEM; goto fail_map_io; } /* Allocate network device */ dev = alloc_orinocodev(sizeof(*card), orinoco_plx_cor_reset); if (!dev) { printk(KERN_ERR PFX "Cannot allocate network device\n"); err = -ENOMEM; goto fail_alloc; } priv = netdev_priv(dev); card = priv->card; card->attr_mem = attr_mem; dev->base_addr = pccard_ioaddr; SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); hermes_struct_init(&priv->hw, mem, HERMES_16BIT_REGSPACING); printk(KERN_DEBUG PFX "Detected Orinoco/Prism2 PLX device " "at %s irq:%d, io addr:0x%lx\n", pci_name(pdev), pdev->irq, pccard_ioaddr); err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, dev->name, dev); if (err) { printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq); err = -EBUSY; goto fail_irq; } dev->irq = pdev->irq; /* bjoern: We need to tell the card to enable interrupts, in case the serial eprom didn't do this already. See the PLX9052 data book, p8-1 and 8-24 for reference. */ csr_reg = inl(plx_addr + PLX_INTCSR); if (!(csr_reg & PLX_INTCSR_INTEN)) { csr_reg |= PLX_INTCSR_INTEN; outl(csr_reg, plx_addr + PLX_INTCSR); csr_reg = inl(plx_addr + PLX_INTCSR); if (!(csr_reg & PLX_INTCSR_INTEN)) { printk(KERN_ERR PFX "Cannot enable interrupts\n"); goto fail; } } err = orinoco_plx_cor_reset(priv); if (err) { printk(KERN_ERR PFX "Initial reset failed\n"); goto fail; } printk(KERN_DEBUG PFX "CIS: "); for (i = 0; i < 16; i++) { printk("%02X:", readb(attr_mem + 2*i)); } printk("\n"); /* Verify whether a supported PC card is present */ /* FIXME: we probably need to be smarted about this */ for (i = 0; i < sizeof(cis_magic); i++) { if (cis_magic[i] != readb(attr_mem +2*i)) { printk(KERN_ERR PFX "The CIS value of Prism2 PC " "card is unexpected\n"); err = -EIO; goto fail; } } err = register_netdev(dev); if (err) { printk(KERN_ERR PFX "Cannot register network device\n"); goto fail; } pci_set_drvdata(pdev, dev); return 0; fail: free_irq(pdev->irq, dev); fail_irq: pci_set_drvdata(pdev, NULL); free_orinocodev(dev); fail_alloc: pci_iounmap(pdev, mem); fail_map_io: iounmap(attr_mem); fail_map_attr: pci_release_regions(pdev); fail_resources: pci_disable_device(pdev); return err; }
static int orinoco_plx_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int err; struct orinoco_private *priv; struct orinoco_pci_card *card; struct net_device *dev; void __iomem *hermes_io, *attr_io, *bridge_io; err = pci_enable_device(pdev); if (err) { printk(KERN_ERR PFX "Cannot enable PCI device\n"); return err; } err = pci_request_regions(pdev, DRIVER_NAME); if (err) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } bridge_io = pci_iomap(pdev, 1, 0); if (!bridge_io) { printk(KERN_ERR PFX "Cannot map bridge registers\n"); err = -EIO; goto fail_map_bridge; } attr_io = pci_iomap(pdev, 2, 0); if (!attr_io) { printk(KERN_ERR PFX "Cannot map PCMCIA attributes\n"); err = -EIO; goto fail_map_attr; } hermes_io = pci_iomap(pdev, 3, 0); if (!hermes_io) { printk(KERN_ERR PFX "Cannot map chipset registers\n"); err = -EIO; goto fail_map_hermes; } /* Allocate network device */ dev = alloc_orinocodev(sizeof(*card), &pdev->dev, orinoco_plx_cor_reset, NULL); if (!dev) { printk(KERN_ERR PFX "Cannot allocate network device\n"); err = -ENOMEM; goto fail_alloc; } priv = netdev_priv(dev); card = priv->card; card->bridge_io = bridge_io; card->attr_io = attr_io; SET_NETDEV_DEV(dev, &pdev->dev); hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED, dev->name, dev); if (err) { printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq); err = -EBUSY; goto fail_irq; } err = orinoco_plx_hw_init(card); if (err) { printk(KERN_ERR PFX "Hardware initialization failed\n"); goto fail; } err = orinoco_plx_cor_reset(priv); if (err) { printk(KERN_ERR PFX "Initial reset failed\n"); goto fail; } err = register_netdev(dev); if (err) { printk(KERN_ERR PFX "Cannot register network device\n"); goto fail; } pci_set_drvdata(pdev, dev); printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, pci_name(pdev)); return 0; fail: free_irq(pdev->irq, dev); fail_irq: pci_set_drvdata(pdev, NULL); free_orinocodev(dev); fail_alloc: pci_iounmap(pdev, hermes_io); fail_map_hermes: pci_iounmap(pdev, attr_io); fail_map_attr: pci_iounmap(pdev, bridge_io); fail_map_bridge: pci_release_regions(pdev); fail_resources: pci_disable_device(pdev); return err; }