multibeat TL; passes all tests

rocket/src/main/scala/util.scala

@@ -158,50 +158,3 @@ object Random
   private def partition(value: UInt, slices: Int) =
     Vec.tabulate(slices)(i => value < round((i << value.getWidth).toDouble / slices))
 }
-
-class FlowThroughSerializer[T <: HasTileLinkData](gen: LogicalNetworkIO[T], n: Int, doSer: T => Bool) extends Module {
-  val io = new Bundle {
-    val in = Decoupled(gen.clone).flip
-    val out = Decoupled(gen.clone)
-    val cnt = UInt(OUTPUT, log2Up(n))
-    val done = Bool(OUTPUT)
-  }
-  require(io.in.bits.payload.data.getWidth % n == 0)
-  val narrowWidth = io.in.bits.payload.data.getWidth / n
-  val cnt = Reg(init=UInt(0, width = log2Up(n)))
-  val wrap = cnt === UInt(n-1)
-  val rbits = Reg(init=io.in.bits)
-  val active = Reg(init=Bool(false))
-
-  val shifter = Vec.fill(n){Bits(width = narrowWidth)}
-  (0 until n).foreach { 
-    i => shifter(i) := rbits.payload.data((i+1)*narrowWidth-1,i*narrowWidth)
-  }
-
-  io.done := Bool(false)
-  io.cnt := cnt
-  io.in.ready := !active
-  io.out.valid := active || io.in.valid
-  io.out.bits := io.in.bits
-  when(!active && io.in.valid) {
-    when(doSer(io.in.bits.payload)) {
-      cnt := Mux(io.out.ready, UInt(1), UInt(0))
-      rbits := io.in.bits
-      active := Bool(true)
-    }
-    io.done := !doSer(io.in.bits.payload)
-  }
-  when(active) {
-    io.out.bits := rbits
-    io.out.bits.payload.data := shifter(cnt)
-    when(io.out.ready) { 
-      cnt := cnt + UInt(1)
-      when(wrap) {
-        cnt := UInt(0)
-        io.done := Bool(true)
-        active := Bool(false)
-      }
-    }
-  }
-}
-