PCI quirk: Disable MSI on VIA K8T890 systems

[karo-tx-linux.git] / drivers / pci / quirks.c

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c74694345b6ea6321fe643c2720c86812220f363..90339979b2ef4483a845ba953270a5d1eb6bb85b 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -338,6 +338,23 @@ static void __devinit quirk_s3_64M(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,     PCI_DEVICE_ID_S3_868,           quirk_s3_64M);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,     PCI_DEVICE_ID_S3_968,           quirk_s3_64M);
 
+/*
+ * Some CS5536 BIOSes (for example, the Soekris NET5501 board w/ comBIOS
+ * ver. 1.33  20070103) don't set the correct ISA PCI region header info.
+ * BAR0 should be 8 bytes; instead, it may be set to something like 8k
+ * (which conflicts w/ BAR1's memory range).
+ */
+static void __devinit quirk_cs5536_vsa(struct pci_dev *dev)
+{
+       if (pci_resource_len(dev, 0) != 8) {
+               struct resource *res = &dev->resource[0];
+               res->end = res->start + 8 - 1;
+               dev_info(&dev->dev, "CS5536 ISA bridge bug detected "
+                               "(incorrect header); workaround applied.\n");
+       }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
+
 static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
        unsigned size, int nr, const char *name)
 {
@@ -2096,6 +2113,7 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev)
        }
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);
 
 /* Go through the list of Hypertransport capabilities and
  * return 1 if a HT MSI capability is found and enabled */
@@ -2517,6 +2535,7 @@ 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);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1518, quirk_i82576_sriov);
 
 #endif /* CONFIG_PCI_IOV */