diplomacy: support zero-port Nodes

2017-01-19 18:36:39 -08:00
parent c0496fab29
commit 9dc7f180b6
9 changed files with 48 additions and 45 deletions
--- a/src/main/scala/uncore/axi4/Parameters.scala
+++ b/src/main/scala/uncore/axi4/Parameters.scala
@ -101,6 +101,9 @@ case class AXI4BundleParameters(

 object AXI4BundleParameters
 {
+  val emptyBundleParams = AXI4BundleParameters(addrBits=1, dataBits=8, idBits=1)
+  def union(x: Seq[AXI4BundleParameters]) = x.foldLeft(emptyBundleParams)((x,y) => x.union(y))
+
  def apply(master: AXI4MasterPortParameters, slave: AXI4SlavePortParameters) =
    new AXI4BundleParameters(
      addrBits = log2Up(slave.maxAddress+1),