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rocket-chip/uncore/src/main/scala/smi.scala

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896 B
Scala
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// See LICENSE for details
package uncore
import Chisel._
import junctions._
import cde.Parameters
/** Convert TileLink protocol to Smi protocol */
class SmiIOTileLinkIOConverter(val dataWidth: Int, val addrWidth: Int)
(implicit p: Parameters) extends Module {
val io = new Bundle {
val tl = (new ClientUncachedTileLinkIO).flip
val smi = new SmiIO(dataWidth, addrWidth)
}
def decoupledNastiConnect(outer: NastiIO, inner: NastiIO) {
outer.ar <> Queue(inner.ar)
outer.aw <> Queue(inner.aw)
outer.w <> Queue(inner.w)
inner.r <> Queue(outer.r)
inner.b <> Queue(outer.b)
}
val tl2nasti = Module(new NastiIOTileLinkIOConverter())
val nasti2smi = Module(new SmiIONastiIOConverter(dataWidth, addrWidth))
tl2nasti.io.tl <> io.tl
decoupledNastiConnect(nasti2smi.io.nasti, tl2nasti.io.nasti)
io.smi <> nasti2smi.io.smi
}