diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc
index 425c2f4..64550ea 100644
--- a/src/dev/io_device.cc
+++ b/src/dev/io_device.cc
@@ -47,30 +47,6 @@
 #include "debug/AddrRanges.hh"
 #include "sim/system.hh"
 
-PioPort::PioPort(PioDevice *dev)
-    : SimpleTimingPort(dev->name() + ".pio", dev), device(dev)
-{
-}
-
-Tick
-PioPort::recvAtomic(PacketPtr pkt)
-{
-    // technically the packet only reaches us after the header delay,
-    // and typically we also need to deserialise any payload
-    Tick receive_delay = pkt->headerDelay + pkt->payloadDelay;
-    pkt->headerDelay = pkt->payloadDelay = 0;
-
-    const Tick delay(pkt->isRead() ? device->read(pkt) : device->write(pkt));
-    assert(pkt->isResponse() || pkt->isError());
-    return delay + receive_delay;
-}
-
-AddrRangeList
-PioPort::getAddrRanges() const
-{
-    return device->getAddrRanges();
-}
-
 PioDevice::PioDevice(const Params *p)
     : ClockedObject(p), sys(p->system), pioPort(this)
 {}
diff --git a/src/dev/io_device.hh b/src/dev/io_device.hh
index c9e25d2..8041338 100644
--- a/src/dev/io_device.hh
+++ b/src/dev/io_device.hh
@@ -59,19 +59,37 @@
  * must respond to. The device must also provide getAddrRanges() function
  * with which it returns the address ranges it is interested in.
  */
+template <class Device>
 class PioPort : public SimpleTimingPort
 {
   protected:
     /** The device that this port serves. */
-    PioDevice *device;
+    Device *device;
 
-    virtual Tick recvAtomic(PacketPtr pkt);
+    Tick
+    recvAtomic(PacketPtr pkt) override
+    {
+        // Technically the packet only reaches us after the header delay,
+        // and typically we also need to deserialise any payload.
+        Tick receive_delay = pkt->headerDelay + pkt->payloadDelay;
+        pkt->headerDelay = pkt->payloadDelay = 0;
 
-    virtual AddrRangeList getAddrRanges() const;
+        const Tick delay =
+            pkt->isRead() ? device->read(pkt) : device->write(pkt);
+        assert(pkt->isResponse() || pkt->isError());
+        return delay + receive_delay;
+    }
+
+    AddrRangeList
+    getAddrRanges() const override
+    {
+        return device->getAddrRanges();
+    }
 
   public:
-
-    PioPort(PioDevice *dev);
+    PioPort(Device *dev) :
+        SimpleTimingPort(dev->name() + ".pio", dev), device(dev)
+    {}
 };
 
 /**
@@ -88,7 +106,7 @@
 
     /** The pioPort that handles the requests for us and provides us requests
      * that it sees. */
-    PioPort pioPort;
+    PioPort<PioDevice> pioPort;
 
     /**
      * Every PIO device is obliged to provide an implementation that
@@ -128,7 +146,7 @@
     Port &getPort(const std::string &if_name,
             PortID idx=InvalidPortID) override;
 
-    friend class PioPort;
+    friend class PioPort<PioDevice>;
 
 };
 
@@ -159,8 +177,7 @@
      *
      * @return a list of non-overlapping address ranges
      */
-    virtual AddrRangeList getAddrRanges() const;
-
+    AddrRangeList getAddrRanges() const override;
 };
 
 #endif // __DEV_IO_DEVICE_HH__