diff options
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r-- | drivers/pci/quirks.c | 284 |
1 files changed, 265 insertions, 19 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4364d793f73..08cd86a6dd6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -15,7 +15,6 @@ * use the PowerTweak utility (see http://powertweak.sourceforge.net). */ -#include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/pci.h> @@ -401,6 +400,7 @@ static void __devinit quirk_piix4_acpi(struct pci_dev *dev) piix4_io_quirk(dev, "PIIX4 devres J", 0x7c, 1 << 20); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, quirk_piix4_acpi ); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_3, quirk_piix4_acpi ); /* * ICH4, ICH4-M, ICH5, ICH5-M ACPI: Three IO regions pointed to by longwords at @@ -438,6 +438,7 @@ static void __devinit quirk_ich6_lpc_acpi(struct pci_dev *dev) pci_read_config_dword(dev, 0x48, ®ion); quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH6 GPIO"); } +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc_acpi ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc_acpi ); /* @@ -576,8 +577,6 @@ static void __init quirk_ioapic_rmw(struct pci_dev *dev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_ANY_ID, quirk_ioapic_rmw ); -int pci_msi_quirk; - #define AMD8131_revA0 0x01 #define AMD8131_revB0 0x11 #define AMD8131_MISC 0x40 @@ -586,12 +585,6 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev) { unsigned char revid, tmp; - if (dev->subordinate) { - printk(KERN_WARNING "PCI: MSI quirk detected. " - "PCI_BUS_FLAGS_NO_MSI set for subordinate bus.\n"); - dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; - } - if (nr_ioapics == 0) return; @@ -604,13 +597,6 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev) } } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_amd_8131_ioapic); - -static void __init quirk_svw_msi(struct pci_dev *dev) -{ - pci_msi_quirk = 1; - printk(KERN_WARNING "PCI: MSI quirk detected. pci_msi_quirk set.\n"); -} -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_svw_msi ); #endif /* CONFIG_X86_IO_APIC */ @@ -666,6 +652,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_vi DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235_USB_2, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq); @@ -683,6 +670,33 @@ static void __devinit quirk_vt82c598_id(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C597_0, quirk_vt82c598_id ); +#ifdef CONFIG_ACPI_SLEEP + +/* + * Some VIA systems boot with the abnormal status flag set. This can cause + * the BIOS to re-POST the system on resume rather than passing control + * back to the OS. Clear the flag on boot + */ +static void __devinit quirk_via_abnormal_poweroff(struct pci_dev *dev) +{ + u32 reg; + + acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, + ®); + + if (reg & 0x800) { + printk("Clearing abnormal poweroff flag\n"); + acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_STATUS, + (u16)0x800); + } +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, quirk_via_abnormal_poweroff); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, quirk_via_abnormal_poweroff); + +#endif + /* * CardBus controllers have a legacy base address that enables them * to respond as i82365 pcmcia controllers. We don't want them to @@ -963,6 +977,11 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) case 0x8070: /* P4G8X Deluxe */ asus_hides_smbus = 1; } + if (dev->device == PCI_DEVICE_ID_INTEL_E7501_MCH) + switch (dev->subsystem_device) { + case 0x80c9: /* PU-DLS */ + asus_hides_smbus = 1; + } if (dev->device == PCI_DEVICE_ID_INTEL_82855GM_HB) switch (dev->subsystem_device) { case 0x1751: /* M2N notebook */ @@ -1031,6 +1050,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82845G_HB, asu DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82850_HB, asus_hides_smbus_hostbridge ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82865_HB, asus_hides_smbus_hostbridge ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_7205_0, asus_hides_smbus_hostbridge ); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7501_MCH, asus_hides_smbus_hostbridge ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82855PM_HB, asus_hides_smbus_hostbridge ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82855GM_HB, asus_hides_smbus_hostbridge ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82915GM_HB, asus_hides_smbus_hostbridge ); @@ -1054,10 +1074,10 @@ static void __init asus_hides_smbus_lpc(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0, asus_hides_smbus_lpc ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, asus_hides_smbus_lpc ); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, asus_hides_smbus_lpc ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc ); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc ); static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev) { @@ -1175,6 +1195,55 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_962, quirk_sis_96x_ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_963, quirk_sis_96x_smbus ); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC, quirk_sis_96x_smbus ); +#if defined(CONFIG_ATA) || defined(CONFIG_ATA_MODULE) + +/* + * If we are using libata we can drive this chip properly but must + * do this early on to make the additional device appear during + * the PCI scanning. + */ + +static void __devinit quirk_jmicron_dualfn(struct pci_dev *pdev) +{ + u32 conf; + u8 hdr; + + /* Only poke fn 0 */ + if (PCI_FUNC(pdev->devfn)) + return; + + switch(pdev->device) { + case PCI_DEVICE_ID_JMICRON_JMB365: + case PCI_DEVICE_ID_JMICRON_JMB366: + /* Redirect IDE second PATA port to the right spot */ + pci_read_config_dword(pdev, 0x80, &conf); + conf |= (1 << 24); + /* Fall through */ + pci_write_config_dword(pdev, 0x80, conf); + case PCI_DEVICE_ID_JMICRON_JMB361: + case PCI_DEVICE_ID_JMICRON_JMB363: + pci_read_config_dword(pdev, 0x40, &conf); + /* Enable dual function mode, AHCI on fn 0, IDE fn1 */ + /* Set the class codes correctly and then direct IDE 0 */ + conf &= ~0x000F0200; /* Clear bit 9 and 16-19 */ + conf |= 0x00C20002; /* Set bit 1, 17, 22, 23 */ + pci_write_config_dword(pdev, 0x40, conf); + + /* Reconfigure so that the PCI scanner discovers the + device is now multifunction */ + + pci_read_config_byte(pdev, PCI_HEADER_TYPE, &hdr); + pdev->hdr_type = hdr & 0x7f; + pdev->multifunction = !!(hdr & 0x80); + + break; + } +} + +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, quirk_jmicron_dualfn); + +#endif + #ifdef CONFIG_X86_IO_APIC static void __init quirk_alder_ioapic(struct pci_dev *pdev) { @@ -1216,7 +1285,7 @@ static int __init combined_setup(char *str) } __setup("combined_mode=", combined_setup); -#ifdef CONFIG_SCSI_SATA_INTEL_COMBINED +#ifdef CONFIG_SATA_INTEL_COMBINED static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev) { u8 prog, comb, tmp; @@ -1309,7 +1378,7 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev) request_region(0x170, 8, "libata"); /* port 1 */ } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_intel_ide_combined ); -#endif /* CONFIG_SCSI_SATA_INTEL_COMBINED */ +#endif /* CONFIG_SATA_INTEL_COMBINED */ int pcie_mch_quirk; @@ -1342,6 +1411,37 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0, quirk_pc DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1, quirk_pcie_pxh); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXHV, quirk_pcie_pxh); +/* + * Some Intel PCI Express chipsets have trouble with downstream + * device power management. + */ +static void quirk_intel_pcie_pm(struct pci_dev * dev) +{ + pci_pm_d3_delay = 120; + dev->no_d1d2 = 1; +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e2, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e3, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e4, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e5, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e6, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25e7, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25f7, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25f8, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25f9, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x25fa, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2601, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2602, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2603, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2604, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2605, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2606, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2607, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2608, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a, quirk_intel_pcie_pm); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm); /* * Fixup the cardbus bridges on the IBM Dock II docking station @@ -1404,6 +1504,63 @@ static void __devinit quirk_netmos(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, quirk_netmos); +static void __devinit quirk_e100_interrupt(struct pci_dev *dev) +{ + u16 command; + u32 bar; + u8 __iomem *csr; + u8 cmd_hi; + + switch (dev->device) { + /* PCI IDs taken from drivers/net/e100.c */ + case 0x1029: + case 0x1030 ... 0x1034: + case 0x1038 ... 0x103E: + case 0x1050 ... 0x1057: + case 0x1059: + case 0x1064 ... 0x106B: + case 0x1091 ... 0x1095: + case 0x1209: + case 0x1229: + case 0x2449: + case 0x2459: + case 0x245D: + case 0x27DC: + break; + default: + return; + } + + /* + * Some firmware hands off the e100 with interrupts enabled, + * which can cause a flood of interrupts if packets are + * received before the driver attaches to the device. So + * disable all e100 interrupts here. The driver will + * re-enable them when it's ready. + */ + pci_read_config_word(dev, PCI_COMMAND, &command); + pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar); + + if (!(command & PCI_COMMAND_MEMORY) || !bar) + return; + + csr = ioremap(bar, 8); + if (!csr) { + printk(KERN_WARNING "PCI: Can't map %s e100 registers\n", + pci_name(dev)); + return; + } + + cmd_hi = readb(csr + 3); + if (cmd_hi == 0) { + printk(KERN_WARNING "PCI: Firmware left %s e100 interrupts " + "enabled, disabling\n", pci_name(dev)); + writeb(1, csr + 3); + } + + iounmap(csr); +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_e100_interrupt); static void __devinit fixup_rev1_53c810(struct pci_dev* dev) { @@ -1518,6 +1675,95 @@ static void __devinit quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, quirk_nvidia_ck804_pcie_aer_ext_cap); +#ifdef CONFIG_PCI_MSI +/* To disable MSI globally */ +int pci_msi_quirk; + +/* The Serverworks PCI-X chipset does not support MSI. We cannot easily rely + * on setting PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually + * some other busses controlled by the chipset even if Linux is not aware of it. + * Instead of setting the flag on all busses in the machine, simply disable MSI + * globally. + */ +static void __init quirk_svw_msi(struct pci_dev *dev) +{ + pci_msi_quirk = 1; + printk(KERN_WARNING "PCI: MSI quirk detected. pci_msi_quirk set.\n"); +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_svw_msi); + +/* Disable MSI on chipsets that are known to not support it */ +static void __devinit quirk_disable_msi(struct pci_dev *dev) +{ + if (dev->subordinate) { + printk(KERN_WARNING "PCI: MSI quirk detected. " + "PCI_BUS_FLAGS_NO_MSI set for %s subordinate bus.\n", + pci_name(dev)); + dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi); + +/* Go through the list of Hypertransport capabilities and + * return 1 if a HT MSI capability is found and enabled */ +static int __devinit msi_ht_cap_enabled(struct pci_dev *dev) +{ + u8 pos; + int ttl; + for (pos = pci_find_capability(dev, PCI_CAP_ID_HT), ttl = 48; + pos && ttl; + pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_HT), ttl--) { + u32 cap_hdr; + /* MSI mapping section according to Hypertransport spec */ + if (pci_read_config_dword(dev, pos, &cap_hdr) == 0 + && (cap_hdr & 0xf8000000) == 0xa8000000 /* MSI mapping */) { + printk(KERN_INFO "PCI: Found HT MSI mapping on %s with capability %s\n", + pci_name(dev), cap_hdr & 0x10000 ? "enabled" : "disabled"); + return (cap_hdr & 0x10000) != 0; /* MSI mapping cap enabled */ + } + } + return 0; +} + +/* Check the hypertransport MSI mapping to know whether MSI is enabled or not */ +static void __devinit quirk_msi_ht_cap(struct pci_dev *dev) +{ + if (dev->subordinate && !msi_ht_cap_enabled(dev)) { + printk(KERN_WARNING "PCI: MSI quirk detected. " + "MSI disabled on chipset %s.\n", + pci_name(dev)); + dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE, + quirk_msi_ht_cap); + +/* The nVidia CK804 chipset may have 2 HT MSI mappings. + * MSI are supported if the MSI capability set in any of these mappings. + */ +static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev) +{ + struct pci_dev *pdev; + + if (!dev->subordinate) + return; + + /* check HT MSI cap on this chipset and the root one. + * a single one having MSI is enough to be sure that MSI are supported. + */ + pdev = pci_find_slot(dev->bus->number, 0); + if (dev->subordinate && !msi_ht_cap_enabled(dev) + && !msi_ht_cap_enabled(pdev)) { + printk(KERN_WARNING "PCI: MSI quirk detected. " + "MSI disabled on chipset %s.\n", + pci_name(dev)); + dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, + quirk_nvidia_ck804_msi_ht_cap); +#endif /* CONFIG_PCI_MSI */ + EXPORT_SYMBOL(pcie_mch_quirk); #ifdef CONFIG_HOTPLUG EXPORT_SYMBOL(pci_fixup_device); |