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authorKristen Accardi <kristen.c.accardi@intel.com>2006-01-17 16:57:04 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:35:10 -0800
commitc408a3794d6222ab43ab26648385f850a82f0803 (patch)
tree08133e5100c56da1f7e9e8ccd02f0ec9760312ea /drivers/pci/quirks.c
parente3ac86d8b3f5cee1afaa3e9e6984d0321149b948 (diff)
[PATCH] PCI: quirk for IBM Dock II cardbus controllers
The IBM Dock II cardbus bridges require some extra configuration before Yenta is loaded in order to setup the Interrupts to be routed properly. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dda6099903c..7ec9fc9a9a4 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1242,6 +1242,33 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1, quirk_pc
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXHV, quirk_pcie_pxh);
+/*
+ * Fixup the cardbus bridges on the IBM Dock II docking station
+ */
+static void __devinit quirk_ibm_dock2_cardbus(struct pci_dev *dev)
+{
+ u32 val;
+
+ /*
+ * tie the 2 interrupt pins to INTA, and configure the
+ * multifunction routing register to handle this.
+ */
+ if ((dev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
+ (dev->subsystem_device == 0x0148)) {
+ printk(KERN_INFO "PCI: Found IBM Dock II Cardbus Bridge "
+ "applying quirk\n");
+ pci_read_config_dword(dev, 0x8c, &val);
+ val = ((val & 0xffffff00) | 0x1002);
+ pci_write_config_dword(dev, 0x8c, val);
+ pci_read_config_dword(dev, 0x80, &val);
+ val = ((val & 0x00ffff00) | 0x2864c077);
+ pci_write_config_dword(dev, 0x80, val);
+ }
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420,
+ quirk_ibm_dock2_cardbus);
+
static void __devinit quirk_netmos(struct pci_dev *dev)
{
unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;