first attempt at heter. port

generators/example/src/main/scala/Top.scala

@@ -127,3 +127,60 @@ class BoomTopWithGPIO(implicit p: Parameters) extends BoomTop
 class BoomTopWithGPIOModule(l: BoomTopWithGPIO)
   extends BoomTopModule(l)
   with HasPeripheryGPIOModuleImp
+
+// -------------------------------
+// BOOM + Rocket Top Level Systems
+// -------------------------------
+
+class BoomAndRocketTop(implicit p: Parameters) extends ExampleBoomAndRocketSystem
+  with HasNoDebug
+  with HasPeripherySerial {
+  override lazy val module = new BoomAndRocketTopModule(this)
+}
+
+class BoomAndRocketTopModule[+L <: BoomAndRocketTop](l: L) extends ExampleBoomAndRocketSystemModule(l)
+  with HasRTCModuleImp
+  with HasNoDebugModuleImp
+  with HasPeripherySerialModuleImp
+  with DontTouch
+
+//---------------------------------------------------------------------------------------------------------
+
+class BoomAndRocketTopWithPWMTL(implicit p: Parameters) extends BoomAndRocketTop
+  with HasPeripheryPWMTL {
+  override lazy val module = new BoomAndRocketTopWithPWMTLModule(this)
+}
+
+class BoomAndRocketTopWithPWMTLModule(l: BoomAndRocketTopWithPWMTL) extends BoomAndRocketTopModule(l)
+  with HasPeripheryPWMTLModuleImp
+
+//---------------------------------------------------------------------------------------------------------
+
+class BoomAndRocketTopWithPWMAXI4(implicit p: Parameters) extends BoomAndRocketTop
+  with HasPeripheryPWMAXI4 {
+  override lazy val module = new BoomAndRocketTopWithPWMAXI4Module(this)
+}
+
+class BoomAndRocketTopWithPWMAXI4Module(l: BoomAndRocketTopWithPWMAXI4) extends BoomAndRocketTopModule(l)
+  with HasPeripheryPWMAXI4ModuleImp
+
+//---------------------------------------------------------------------------------------------------------
+
+class BoomAndRocketTopWithBlockDevice(implicit p: Parameters) extends BoomAndRocketTop
+  with HasPeripheryBlockDevice {
+  override lazy val module = new BoomAndRocketTopWithBlockDeviceModule(this)
+}
+
+class BoomAndRocketTopWithBlockDeviceModule(l: BoomAndRocketTopWithBlockDevice) extends BoomAndRocketTopModule(l)
+  with HasPeripheryBlockDeviceModuleImp
+
+//---------------------------------------------------------------------------------------------------------
+
+class BoomAndRocketTopWithGPIO(implicit p: Parameters) extends BoomAndRocketTop
+    with HasPeripheryGPIO {
+  override lazy val module = new BoomAndRocketTopWithGPIOModule(this)
+}
+
+class BoomAndRocketTopWithGPIOModule(l: BoomAndRocketTopWithGPIO)
+  extends BoomAndRocketTopModule(l)
+  with HasPeripheryGPIOModuleImp