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CoreplexClockCrossing: add a helper method to decide if a clock is useul (#1074)

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Wesley W. Terpstra 2017-10-26 23:39:56 -07:00 committed by GitHub
parent 91d8a97f1a
commit 13981379c4
1 changed files with 6 additions and 0 deletions
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6
src/main/scala/coreplex/CrossingWrapper.scala
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@ -12,6 +12,12 @@ import freechips.rocketchip.util._
/** Enumerates the three types of clock crossing between tiles and system bus */ /** Enumerates the three types of clock crossing between tiles and system bus */
sealed trait CoreplexClockCrossing sealed trait CoreplexClockCrossing
{
def sameClock = this match {
case _: SynchronousCrossing => true
case _ => false
}
}
case class SynchronousCrossing(params: BufferParams = BufferParams.default) extends CoreplexClockCrossing case class SynchronousCrossing(params: BufferParams = BufferParams.default) extends CoreplexClockCrossing
case class RationalCrossing(direction: RationalDirection = FastToSlow) extends CoreplexClockCrossing case class RationalCrossing(direction: RationalDirection = FastToSlow) extends CoreplexClockCrossing
case class AsynchronousCrossing(depth: Int, sync: Int = 3) extends CoreplexClockCrossing case class AsynchronousCrossing(depth: Int, sync: Int = 3) extends CoreplexClockCrossing