diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index abe8d7e2ebe..cf7009b8c7b 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops = .write = u4_pcie_write_config, }; +static void pmac_pci_fixup_u4_of_node(struct pci_dev *dev) +{ + /* Apple's device-tree "hides" the root complex virtual P2P bridge + * on U4. However, Linux sees it, causing the PCI <-> OF matching + * code to fail to properly match devices below it. This works around + * it by setting the node of the bridge to point to the PHB node, + * which is not entirely correct but fixes the matching code and + * doesn't break anything else. It's also the simplest possible fix. + */ + if (dev->dev.of_node == NULL) + dev->dev.of_node = pcibios_get_phb_of_node(dev->bus); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node); + #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 @@ -732,7 +746,7 @@ static void __init setup_bandit(struct pci_controller *hose, static int __init setup_uninorth(struct pci_controller *hose, struct resource *addr) { - ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); + pci_add_flags(PCI_REASSIGN_ALL_BUS); has_uninorth = 1; hose->ops = ¯isc_pci_ops; hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000); @@ -810,6 +824,7 @@ static void __init parse_region_decode(struct pci_controller *hose, hose->mem_resources[cur].name = hose->dn->full_name; hose->mem_resources[cur].start = base; hose->mem_resources[cur].end = end; + hose->mem_offset[cur] = 0; DBG(" %d: 0x%08lx-0x%08lx\n", cur, base, end); } else { DBG(" : -0x%08lx\n", end); @@ -839,8 +854,7 @@ static void __init setup_u3_ht(struct pci_controller* hose) * into cfg_addr */ hose->cfg_data = ioremap(cfg_res.start, 0x02000000); - hose->cfg_addr = ioremap(self_res.start, - self_res.end - self_res.start + 1); + hose->cfg_addr = ioremap(self_res.start, resource_size(&self_res)); /* * /ht node doesn't expose a "ranges" property, we read the register @@ -853,7 +867,6 @@ static void __init setup_u3_ht(struct pci_controller* hose) hose->io_resource.start = 0; hose->io_resource.end = 0x003fffff; hose->io_resource.flags = IORESOURCE_IO; - hose->pci_mem_offset = 0; hose->first_busno = 0; hose->last_busno = 0xef; @@ -975,7 +988,7 @@ static int __init pmac_add_bridge(struct device_node *dev) return 0; } -void __devinit pmac_pci_irq_fixup(struct pci_dev *dev) +void pmac_pci_irq_fixup(struct pci_dev *dev) { #ifdef CONFIG_PPC32 /* Fixup interrupt for the modem/ethernet combo controller. @@ -999,7 +1012,7 @@ void __init pmac_pci_init(void) struct device_node *np, *root; struct device_node *ht = NULL; - ppc_pci_set_flags(PPC_PCI_CAN_SKIP_ISA_ALIGN); + pci_set_flags(PCI_CAN_SKIP_ISA_ALIGN); root = of_find_node_by_path("/"); if (root == NULL) { @@ -1046,9 +1059,6 @@ void __init pmac_pci_init(void) } /* pmac_check_ht_link(); */ - /* We can allocate missing resources if any */ - pci_probe_only = 0; - #else /* CONFIG_PPC64 */ init_p2pbridge(); init_second_ohare(); @@ -1058,7 +1068,7 @@ void __init pmac_pci_init(void) * some offset between bus number and domains for now when we * assign all busses should help for now */ - if (ppc_pci_has_flag(PPC_PCI_REASSIGN_ALL_BUS)) + if (pci_has_flag(PCI_REASSIGN_ALL_BUS)) pcibios_assign_bus_offset = 0x10; #endif } @@ -1128,7 +1138,7 @@ int pmac_pci_enable_device_hook(struct pci_dev *dev) return 0; } -void __devinit pmac_pci_fixup_ohci(struct pci_dev *dev) +void pmac_pci_fixup_ohci(struct pci_dev *dev) { struct device_node *node = pci_device_to_OF_node(dev); @@ -1324,8 +1334,7 @@ static void fixup_u4_pcie(struct pci_dev* dev) */ if (r->start >= 0xf0000000 && r->start < 0xf3000000) continue; - if (!region || (r->end - r->start) > - (region->end - region->start)) + if (!region || resource_size(r) > resource_size(region)) region = r; } /* Nothing found, bail */ |