tilelink2 broadcast: support bufferless Config

2016-11-16 12:25:11 -08:00
parent 3703ed39f7
commit 06a7b95d0d
3 changed files with 6 additions and 26 deletions
--- a/src/main/scala/coreplex/Coreplex.scala
+++ b/src/main/scala/coreplex/Coreplex.scala
@ -10,9 +10,12 @@ import uncore.util._
 import util._
 import rocket._

+/** Should the broadcast hub have no buffers */
+case object BufferlessBroadcast extends Field[Boolean]
+
 trait BroadcastL2 extends BankedL2CoherenceManagers {
  def l2ManagerFactory() = {
-    val bh = LazyModule(new TLBroadcast(l1tol2_lineBytes, nTrackersPerBank))
+    val bh = LazyModule(new TLBroadcast(l1tol2_lineBytes, nTrackersPerBank, p(BufferlessBroadcast)))
    (bh.node, bh.node)
  }
 }