From: Kristen Accardi Date: Wed, 18 Jan 2006 00:57:04 +0000 (-0800) Subject: [PATCH] PCI: quirk for IBM Dock II cardbus controllers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c408a3794d6222ab43ab26648385f850a82f0803;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git [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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index dda6099903c1..7ec9fc9a9a42 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;