diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 436099883022..5ca2a383f996 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -47,6 +47,9 @@ struct pci_controller {
 	unsigned int need_domain_info;
 #endif
 
+	/* BRIDGE/XBRIDGE may need to config things before bringup */
+	int (*pre_enable)(struct pci_controller *, struct pci_dev *, int);
+
 	/* Optional access methods for reading/writing the bus number
 	   of the PCI controller */
 	int (*get_busno)(void);
diff --git a/arch/mips/pci/pci-legacy.c b/arch/mips/pci/pci-legacy.c
index 670a998c0aba..c84507a8a1ae 100644
--- a/arch/mips/pci/pci-legacy.c
+++ b/arch/mips/pci/pci-legacy.c
@@ -7,6 +7,7 @@
  * Copyright (C) 2003, 04, 11 Ralf Baechle (ralf@linux-mips.org)
  * Copyright (C) 2011 Wind River Systems,
  *   written by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2004-2007 Stanislaw Skowronek <skylark@unaligned.org>
  */
 #include <linux/bug.h>
 #include <linux/kernel.h>
@@ -241,6 +242,7 @@ static int pcibios_enable_resources(struct pci_dev *dev, int mask)
 	u16 cmd, old_cmd;
 	int idx;
 	struct resource *r;
+	struct pci_controller *hose = (struct pci_controller *)dev->sysdata;
 
 	pci_read_config_word(dev, PCI_COMMAND, &cmd);
 	old_cmd = cmd;
@@ -249,6 +251,15 @@ static int pcibios_enable_resources(struct pci_dev *dev, int mask)
 		if (!(mask & (1 << idx)))
 			continue;
 
+		/*
+		 * Some devices, like BRIDGE/XBRIDGE, may need to do a little
+		 * housekeeping prior to the generic code setting up the PCI
+		 * resources.
+		 */
+		if (hose->pre_enable)
+			if (hose->pre_enable(hose, dev, idx) < 0)
+				return -EINVAL;
+
 		r = &dev->resource[idx];
 		if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
 			continue;