Merge pull request #3762 from richardyrh/master

Author: jerryz123

src/main/scala/subsystem/PeripheryBus.scala

@@ -63,7 +63,11 @@ class PeripheryBus(params: PeripheryBusParams, name: String)(implicit p: Paramet
           TLWidthWidget(w) :*= TLAtomicAutomata(arithmetic = pa.arithmetic, nameSuffix = Some(name))
         } .getOrElse { TLAtomicAutomata(arithmetic = pa.arithmetic, nameSuffix = Some(name)) })
       :*= in_xbar.node)
-  } .getOrElse { TLXbar() :*= fixer.node }
+  } .getOrElse {
+    val in_xbar = LazyModule(new TLXbar(nameSuffix = Some(s"${name}_in")))
+    val out_xbar = LazyModule(new TLXbar(nameSuffix = Some(s"${name}_out")))
+    (out_xbar.node :*= fixer.node :*= in_xbar.node)
+  }
 
   def inwardNode: TLInwardNode = node
   def outwardNode: TLOutwardNode = node