PCI quirk: TI XIO200a erroneously reports support for fast b2b transfers
[safe/jmp/linux-2.6] / drivers / pci / quirks.c
index 0254741..efa6534 100644 (file)
@@ -31,8 +31,6 @@ int isa_dma_bridge_buggy;
 EXPORT_SYMBOL(isa_dma_bridge_buggy);
 int pci_pci_problems;
 EXPORT_SYMBOL(pci_pci_problems);
-int pcie_mch_quirk;
-EXPORT_SYMBOL(pcie_mch_quirk);
 
 #ifdef CONFIG_PCI_QUIRKS
 /*
@@ -672,6 +670,25 @@ static void __devinit quirk_vt8235_acpi(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_8235, quirk_vt8235_acpi);
 
+/*
+ * TI XIO2000a PCIe-PCI Bridge erroneously reports it supports fast back-to-back:
+ *     Disable fast back-to-back on the secondary bus segment
+ */
+static void __devinit quirk_xio2000a(struct pci_dev *dev)
+{
+       struct pci_dev *pdev;
+       u16 command;
+
+       dev_warn(&dev->dev, "TI XIO2000a quirk detected; "
+               "secondary bus fast back-to-back transfers disabled\n");
+       list_for_each_entry(pdev, &dev->subordinate->devices, bus_list) {
+               pci_read_config_word(pdev, PCI_COMMAND, &command);
+               if (command & PCI_COMMAND_FAST_BACK)
+                       pci_write_config_word(pdev, PCI_COMMAND, command & ~PCI_COMMAND_FAST_BACK);
+       }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2000A,
+                       quirk_xio2000a);
 
 #ifdef CONFIG_X86_IO_APIC 
 
@@ -992,7 +1009,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL,        PCI_DEVICE_ID_INTEL_82454NX,
 
 static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
 {
-       /* set sb600/sb700/sb800 sata to ahci mode */
+       /* set SBX00 SATA in IDE mode to AHCI mode */
        u8 tmp;
 
        pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
@@ -1011,6 +1028,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_SB900_SATA_IDE, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_SB900_SATA_IDE, quirk_amd_ide_mode);
 
 /*
  *     Serverworks CSB5 IDE does not fully support native mode
@@ -1058,6 +1077,11 @@ static void __devinit quirk_no_ata_d3(struct pci_dev *pdev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_ANY_ID, quirk_no_ata_d3);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, PCI_ANY_ID, quirk_no_ata_d3);
+/* ALi loses some register settings that we cannot then restore */
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, quirk_no_ata_d3);
+/* VIA comes back fine but we need to keep it alive or ACPI GTM failures
+   occur when mode detecting */
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_no_ata_d3);
 
 /* This was originally an Alpha specific thing, but it really fits here.
  * The i82375 PCI/EISA bridge appears as non-classified. Fix that.
@@ -1133,6 +1157,7 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
                        switch (dev->subsystem_device) {
                        case 0x1751: /* M2N notebook */
                        case 0x1821: /* M5N notebook */
+                       case 0x1897: /* A6L notebook */
                                asus_hides_smbus = 1;
                        }
                else if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
@@ -1163,6 +1188,7 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
                        switch (dev->subsystem_device) {
                        case 0x12bc: /* HP D330L */
                        case 0x12bd: /* HP D530 */
+                       case 0x006a: /* HP Compaq nx9500 */
                                asus_hides_smbus = 1;
                        }
                else if (dev->device == PCI_DEVICE_ID_INTEL_82875_HB)
@@ -1194,6 +1220,7 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
                        switch(dev->subsystem_device) {
                        case 0x00b8: /* Compaq Evo D510 CMT */
                        case 0x00b9: /* Compaq Evo D510 SFF */
+                       case 0x00ba: /* Compaq Evo D510 USDT */
                                /* Motherboard doesn't have Host bridge
                                 * subvendor/subdevice IDs and on-board VGA
                                 * controller is disabled if an AGP card is
@@ -1492,7 +1519,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,     PCI_DEVICE_ID_INTEL_EESSC,      quirk_a
 
 static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
 {
-       pcie_mch_quirk = 1;
+       pci_msi_off(pdev);
+       pdev->no_msi = 1;
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_E7520_MCH,  quirk_pcie_mch);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_E7320_MCH,  quirk_pcie_mch);
@@ -1560,10 +1588,8 @@ static void quirk_reroute_to_boot_interrupts_intel(struct pci_dev *dev)
                return;
 
        dev->irq_reroute_variant = INTEL_IRQ_REROUTE_VARIANT;
-
-       printk(KERN_INFO "PCI quirk: reroute interrupts for 0x%04x:0x%04x\n",
-                       dev->vendor, dev->device);
-       return;
+       dev_info(&dev->dev, "rerouting interrupts for [%04x:%04x]\n",
+                dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_80333_0,    quirk_reroute_to_boot_interrupts_intel);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_80333_1,    quirk_reroute_to_boot_interrupts_intel);
@@ -1605,8 +1631,8 @@ static void quirk_disable_intel_boot_interrupt(struct pci_dev *dev)
        pci_config_word |= INTEL_6300_DISABLE_BOOT_IRQ;
        pci_write_config_word(dev, INTEL_6300_IOAPIC_ABAR, pci_config_word);
 
-       printk(KERN_INFO "disabled boot interrupt on device 0x%04x:0x%04x\n",
-               dev->vendor, dev->device);
+       dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+                dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,     quirk_disable_intel_boot_interrupt);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,    quirk_disable_intel_boot_interrupt);
@@ -1638,8 +1664,8 @@ static void quirk_disable_broadcom_boot_interrupt(struct pci_dev *dev)
 
        pci_write_config_dword(dev, BC_HT1000_FEATURE_REG, pci_config_dword);
 
-       printk(KERN_INFO "disabled boot interrupts on PCI device"
-                       "0x%04x:0x%04x\n", dev->vendor, dev->device);
+       dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+                dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,       quirk_disable_broadcom_boot_interrupt);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,      quirk_disable_broadcom_boot_interrupt);
@@ -1669,8 +1695,8 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
        pci_config_dword &= ~AMD_813X_NOIOAMODE;
        pci_write_config_dword(dev, AMD_813X_MISC, pci_config_dword);
 
-       printk(KERN_INFO "disabled boot interrupts on PCI device "
-                       "0x%04x:0x%04x\n", dev->vendor, dev->device);
+       dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+                dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8131_BRIDGE,    quirk_disable_amd_813x_boot_interrupt);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8132_BRIDGE,   quirk_disable_amd_813x_boot_interrupt);
@@ -1686,14 +1712,13 @@ static void quirk_disable_amd_8111_boot_interrupt(struct pci_dev *dev)
 
        pci_read_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, &pci_config_word);
        if (!pci_config_word) {
-               printk(KERN_INFO "boot interrupts on PCI device 0x%04x:0x%04x "
-                               "already disabled\n",
-                               dev->vendor, dev->device);
+               dev_info(&dev->dev, "boot interrupts on device [%04x:%04x] "
+                        "already disabled\n", dev->vendor, dev->device);
                return;
        }
        pci_write_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, 0);
-       printk(KERN_INFO "disabled boot interrupts on PCI device "
-                       "0x%04x:0x%04x\n", dev->vendor, dev->device);
+       dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+                dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,     quirk_disable_amd_8111_boot_interrupt);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,    quirk_disable_amd_8111_boot_interrupt);
@@ -2016,6 +2041,28 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
                        PCI_DEVICE_ID_NX2_5709S,
                        quirk_brcm_570x_limit_vpd);
 
+/* Originally in EDAC sources for i82875P:
+ * Intel tells BIOS developers to hide device 6 which
+ * configures the overflow device access containing
+ * the DRBs - this is where we expose device 6.
+ * http://www.x86-secret.com/articles/tweak/pat/patsecrets-2.htm
+ */
+static void __devinit quirk_unhide_mch_dev6(struct pci_dev *dev)
+{
+       u8 reg;
+
+       if (pci_read_config_byte(dev, 0xF4, &reg) == 0 && !(reg & 0x02)) {
+               dev_info(&dev->dev, "Enabling MCH 'Overflow' Device\n");
+               pci_write_config_byte(dev, 0xF4, reg | 0x02);
+       }
+}
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82865_HB,
+                       quirk_unhide_mch_dev6);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82875_HB,
+                       quirk_unhide_mch_dev6);
+
+
 #ifdef CONFIG_PCI_MSI
 /* Some chipsets do not support MSI. We cannot easily rely on setting
  * PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
@@ -2033,6 +2080,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_di
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3336, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disable_all_msi);
 
 /* Disable MSI on chipsets that are known to not support it */
 static void __devinit quirk_disable_msi(struct pci_dev *dev)
@@ -2352,8 +2400,10 @@ static void __devinit nv_msi_ht_cap_quirk_leaf(struct pci_dev *dev)
 }
 
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf);
 
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
 
 static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
 {
@@ -2460,6 +2510,9 @@ static void __devinit quirk_i82576_sriov(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10c9, quirk_i82576_sriov);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e6, quirk_i82576_sriov);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e7, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e8, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x150a, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x150d, quirk_i82576_sriov);
 
 #endif /* CONFIG_PCI_IOV */