Index: sys/dev/pci/pci.c
===================================================================
--- sys/dev/pci/pci.c
+++ sys/dev/pci/pci.c
@@ -34,6 +34,7 @@
 #include "opt_acpi.h"
 #include "opt_iommu.h"
 #include "opt_bus.h"
+#include "opt_platform.h"
 
 #include <sys/param.h>
 #include <sys/conf.h>
@@ -65,6 +66,13 @@
 #include <machine/intr_machdep.h>
 #endif
 
+#ifdef FDT
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+#include <dev/ofw/ofw_pci.h>
+#include <dev/ofw/openfirm.h>
+#endif
+
 #include <sys/pciio.h>
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
@@ -138,6 +146,11 @@
 static int		pci_get_id_method(device_t dev, device_t child,
 			    enum pci_id_type type, uintptr_t *rid);
 
+#ifdef FDT
+static const struct ofw_bus_devinfo*	pci_ofw_get_devinfo(device_t bus,
+						    device_t dev);
+#endif
+
 static struct pci_devinfo * pci_fill_devinfo(device_t pcib, device_t bus, int d,
     int b, int s, int f, uint16_t vid, uint16_t did);
 
@@ -220,6 +233,16 @@
 	DEVMETHOD(pci_create_iov_child,	pci_create_iov_child_method),
 #endif
 
+#ifdef FDT
+	/* ofw_bus interface */
+	DEVMETHOD(ofw_bus_get_devinfo,	pci_ofw_get_devinfo),
+	DEVMETHOD(ofw_bus_get_compat,	ofw_bus_gen_get_compat),
+	DEVMETHOD(ofw_bus_get_model,	ofw_bus_gen_get_model),
+	DEVMETHOD(ofw_bus_get_name,	ofw_bus_gen_get_name),
+	DEVMETHOD(ofw_bus_get_node,	ofw_bus_gen_get_node),
+	DEVMETHOD(ofw_bus_get_type,	ofw_bus_gen_get_type),
+#endif
+
 	DEVMETHOD_END
 };
 
@@ -6257,6 +6280,16 @@
 	return (PCIB_GET_ID(device_get_parent(dev), child, type, id));
 }
 
+#ifdef FDT
+/* Pass the request up to our parent. */
+static const struct ofw_bus_devinfo*
+pci_ofw_get_devinfo(device_t bus, device_t dev)
+{
+
+	return OFW_BUS_GET_DEVINFO(device_get_parent(bus), dev);
+}
+#endif
+
 /* Find the upstream port of a given PCI device in a root complex. */
 device_t
 pci_find_pcie_root_port(device_t dev)