diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 18:13:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 18:13:32 -0800 |
| commit | ef59c4e935feb966900a8321e75f74d7df2a2f16 (patch) | |
| tree | 8bdd8e837554b268b600b57187612b9ac4a5d5f5 /arch | |
| parent | 69396dcfa3c50a6b8d2caaccf5d1496ecd5594be (diff) | |
| parent | 3103039cc2a8dc6ababc29afac5c3cadbfa69af9 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/pci/irq.c | 5 | ||||
| -rw-r--r-- | arch/i386/pci/mmconfig.c | 15 | ||||
| -rw-r--r-- | arch/x86_64/pci/mmconfig.c | 19 |
3 files changed, 32 insertions, 7 deletions
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index e715aa93003..3ca59cad05f 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -539,6 +539,11 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH7_30: case PCI_DEVICE_ID_INTEL_ICH7_31: case PCI_DEVICE_ID_INTEL_ESB2_0: + case PCI_DEVICE_ID_INTEL_ICH8_0: + case PCI_DEVICE_ID_INTEL_ICH8_1: + case PCI_DEVICE_ID_INTEL_ICH8_2: + case PCI_DEVICE_ID_INTEL_ICH8_3: + case PCI_DEVICE_ID_INTEL_ICH8_4: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index 4bb4d4b0f73..0ee8a983708 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -36,8 +36,7 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) { - /* Not found - fallback to type 1 */ - return 0; + break; } cfg = &pci_mmcfg_config[cfg_num]; if (cfg->pci_segment_group_number != seg) @@ -46,6 +45,18 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) (cfg->end_bus_number >= bus)) return cfg->base_address; } + + /* Handle more broken MCFG tables on Asus etc. + They only contain a single entry for bus 0-0. Assume + this applies to all busses. */ + cfg = &pci_mmcfg_config[0]; + if (pci_mmcfg_config_num == 1 && + cfg->pci_segment_group_number == 0 && + (cfg->start_bus_number | cfg->end_bus_number) == 0) + return cfg->base_address; + + /* Fall back to type 0 */ + return 0; } static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn) diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index f16c0d57c55..00d4ddbf980 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -29,11 +29,8 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus) while (1) { ++cfg_num; - if (cfg_num >= pci_mmcfg_config_num) { - /* Not found - fall back to type 1. This happens - e.g. on the internal devices of a K8 northbridge. */ - return NULL; - } + if (cfg_num >= pci_mmcfg_config_num) + break; cfg = pci_mmcfg_virt[cfg_num].cfg; if (cfg->pci_segment_group_number != seg) continue; @@ -41,6 +38,18 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus) (cfg->end_bus_number >= bus)) return pci_mmcfg_virt[cfg_num].virt; } + + /* Handle more broken MCFG tables on Asus etc. + They only contain a single entry for bus 0-0. Assume + this applies to all busses. */ + cfg = &pci_mmcfg_config[0]; + if (pci_mmcfg_config_num == 1 && + cfg->pci_segment_group_number == 0 && + (cfg->start_bus_number | cfg->end_bus_number) == 0) + return cfg->base_address; + + /* Fall back to type 0 */ + return 0; } static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) |