PCI: allow assignment of memory resources with a specified alignment
[linux-2.6.git] / drivers / pci / setup-res.c
index 32e8d88..3039fcb 100644 (file)
@@ -120,6 +120,21 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
        return err;
 }
 
+#ifdef CONFIG_PCI_QUIRKS
+void pci_disable_bridge_window(struct pci_dev *dev)
+{
+       dev_dbg(&dev->dev, "Disabling bridge window.\n");
+
+       /* MMIO Base/Limit */
+       pci_write_config_dword(dev, PCI_MEMORY_BASE, 0x0000fff0);
+
+       /* Prefetchable MMIO Base/Limit */
+       pci_write_config_dword(dev, PCI_PREF_LIMIT_UPPER32, 0);
+       pci_write_config_dword(dev, PCI_PREF_MEMORY_BASE, 0x0000fff0);
+       pci_write_config_dword(dev, PCI_PREF_BASE_UPPER32, 0xffffffff);
+}
+#endif /* CONFIG_PCI_QUIRKS */
+
 int pci_assign_resource(struct pci_dev *dev, int resno)
 {
        struct pci_bus *bus = dev->bus;