diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py
index b34db4e..55a6e91 100644
--- a/configs/common/FSConfig.py
+++ b/configs/common/FSConfig.py
@@ -365,8 +365,7 @@
         # Attach off-chip devices
         self.realview.attachIO(self.iobus)
 
-    for dev_id, dev in enumerate(pci_devices):
-        dev.pci_bus, dev.pci_dev, dev.pci_func = (0, dev_id + 1, 0)
+    for dev in pci_devices:
         self.realview.attachPciDevice(
             dev, self.iobus,
             dma_ports=self._dma_ports if ruby else None)
diff --git a/configs/example/arm/devices.py b/configs/example/arm/devices.py
index 16312eb..4615daa 100644
--- a/configs/example/arm/devices.py
+++ b/configs/example/arm/devices.py
@@ -303,14 +303,10 @@
                 self.dmabridge = Bridge(delay='50ns',
                                         ranges=[self.mem_ranges[0]])
 
-            self._pci_devices = 0
             self._clusters = []
             self._num_cpus = 0
 
         def attach_pci(self, dev):
-            dev.pci_bus, dev.pci_dev, dev.pci_func = \
-                (0, self._pci_devices + 1, 0)
-            self._pci_devices += 1
             self.realview.attachPciDevice(dev, self.iobus)
 
         def connect(self):
diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index 10d3abb..6e8630a 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -542,6 +542,7 @@
     cxx_header = "dev/arm/realview.hh"
     system = Param.System(Parent.any, "system")
     _mem_regions = [ AddrRange(0, size='256MB') ]
+    _num_pci_dev = 0
 
     def _on_chip_devices(self):
         return []
@@ -952,6 +953,10 @@
 
     def attachPciDevice(self, device, *args, **kwargs):
         device.host = self.pci_host
+        self._num_pci_dev += 1
+        device.pci_bus = 0
+        device.pci_dev = self._num_pci_dev
+        device.pci_func = 0
         self._attach_device(device, *args, **kwargs)
 
     def attachSmmu(self, devices, bus):