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TileLinkEnqueuer

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This commit is contained in:
Henry Cook 2015-03-26 13:29:52 -07:00
parent b7af610569
commit 8959b2e81a
1 changed files with 23 additions and 0 deletions
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23
uncore/src/main/scala/tilelink.scala
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@ -505,6 +505,29 @@ object HeaderlessTileLinkIOWrapper {
}
}
class TileLinkEnqueuer(depths: (Int, Int, Int, Int, Int)) extends Module {
val io = new Bundle {
val client = new TileLinkIO().flip
val manager = new TileLinkIO
}
io.manager.acquire <> (if(depths._1 > 0) Queue(io.client.acquire, depths._1) else io.client.acquire)
io.client.probe <> (if(depths._2 > 0) Queue(io.manager.probe, depths._2) else io.manager.probe)
io.manager.release <> (if(depths._3 > 0) Queue(io.client.release, depths._3) else io.client.release)
io.client.grant <> (if(depths._4 > 0) Queue(io.manager.grant, depths._4) else io.manager.grant)
io.manager.finish <> (if(depths._5 > 0) Queue(io.client.finish, depths._5) else io.client.finish)
}
object TileLinkEnqueuer {
def apply(in: TileLinkIO, depths: (Int, Int, Int, Int, Int))(p: Parameters): TileLinkIO = {
val t = Module(new TileLinkEnqueuer(depths))(p)
t.io.client <> in
t.io.manager
}
def apply(in: TileLinkIO, depth: Int)(p: Parameters): TileLinkIO = {
apply(in, (depth, depth, depth, depth, depth))(p)
}
}
abstract trait HasArbiterTypes {
val arbN: Int
type ManagerSourcedWithId = ManagerToClientChannel with HasClientTransactionId