int __init pci_visws_init(void)
{
if (!is_visws_box())
return -1;
pcibios_enable_irq = &pci_visws_enable_irq;
pcibios_disable_irq = &pci_visws_disable_irq;
/* The VISWS supports configuration access type 1 only */
pci_probe = (pci_probe | PCI_PROBE_CONF1) &
~(PCI_PROBE_BIOS | PCI_PROBE_CONF2);
pci_bus0 = li_pcib_read16(LI_PCI_BUSNUM) & 0xff;
pci_bus1 = li_pcia_read16(LI_PCI_BUSNUM) & 0xff;
printk(KERN_INFO "PCI: Lithium bridge A bus: %u, "
"bridge B (PIIX4) bus: %u\n", pci_bus1, pci_bus0);
raw_pci_ops = &pci_direct_conf1;
pci_scan_bus_with_sysdata(pci_bus0);
pci_scan_bus_with_sysdata(pci_bus1);
pci_fixup_irqs(visws_swizzle, visws_map_irq);
pcibios_resource_survey();
return 0;
}
static __init void lithium_init(void)
{
set_fixmap(FIX_LI_PCIA, LI_PCI_A_PHYS);
set_fixmap(FIX_LI_PCIB, LI_PCI_B_PHYS);
if ((li_pcia_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
(li_pcia_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'A');
/* panic("This machine is not SGI Visual Workstation 320/540"); */
}
if ((li_pcib_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
(li_pcib_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'B');
/* panic("This machine is not SGI Visual Workstation 320/540"); */
}
li_pcia_write16(LI_PCI_INTEN, ALLDEVS);
li_pcib_write16(LI_PCI_INTEN, ALLDEVS);
}
static int __init pcibios_init(void)
{
/* The VISWS supports configuration access type 1 only */
pci_probe = (pci_probe | PCI_PROBE_CONF1) &
~(PCI_PROBE_BIOS | PCI_PROBE_CONF2);
pci_bus0 = li_pcib_read16(LI_PCI_BUSNUM) & 0xff;
pci_bus1 = li_pcia_read16(LI_PCI_BUSNUM) & 0xff;
printk(KERN_INFO "PCI: Lithium bridge A bus: %u, "
"bridge B (PIIX4) bus: %u\n", pci_bus1, pci_bus0);
raw_pci_ops = &pci_direct_conf1;
pci_scan_bus(pci_bus0, &pci_root_ops, NULL);
pci_scan_bus(pci_bus1, &pci_root_ops, NULL);
pci_fixup_irqs(visws_swizzle, visws_map_irq);
pcibios_resource_survey();
return 0;
}
