diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx')
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_cds.c | 76 |
1 files changed, 34 insertions, 42 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 2a80c1d0afb..50c8d645836 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -69,52 +69,44 @@ static int mpc85xx_exclude_device(struct pci_controller *hose, return PCIBIOS_SUCCESSFUL; } -static void __init mpc85xx_cds_pcibios_fixup(void) +static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) { - struct pci_dev *dev; - u_char c; - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_1, NULL))) { + u_char c; + if (dev->vendor == PCI_VENDOR_ID_VIA) { + switch (dev->device) { + case PCI_DEVICE_ID_VIA_82C586_1: + /* + * U-Boot does not set the enable bits + * for the IDE device. Force them on here. + */ + pci_read_config_byte(dev, 0x40, &c); + c |= 0x03; /* IDE: Chip Enable Bits */ + pci_write_config_byte(dev, 0x40, c); + + /* + * Since only primary interface works, force the + * IDE function to standard primary IDE interrupt + * w/ 8259 offset + */ + dev->irq = 14; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + break; /* - * U-Boot does not set the enable bits - * for the IDE device. Force them on here. + * Force legacy USB interrupt routing */ - pci_read_config_byte(dev, 0x40, &c); - c |= 0x03; /* IDE: Chip Enable Bits */ - pci_write_config_byte(dev, 0x40, c); - - /* - * Since only primary interface works, force the - * IDE function to standard primary IDE interrupt - * w/ 8259 offset + case PCI_DEVICE_ID_VIA_82C586_2: + /* There are two USB controllers. + * Identify them by functon number */ - dev->irq = 14; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - pci_dev_put(dev); - } - - /* - * Force legacy USB interrupt routing - */ - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, NULL))) { - dev->irq = 10; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10); - pci_dev_put(dev); - } - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, dev))) { - dev->irq = 11; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); - pci_dev_put(dev); + if (PCI_FUNC(dev->devfn)) + dev->irq = 11; + else + dev->irq = 10; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + default: + break; + } } - - /* Now map all the PCI irqs */ - dev = NULL; - for_each_pci_dev(dev) - pci_read_irq_line(dev); } #ifdef CONFIG_PPC_I8259 @@ -229,7 +221,7 @@ static void __init mpc85xx_cds_setup_arch(void) for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) mpc85xx_add_bridge(np); - ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup; + ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif } |