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Add RocketBoundaryBuffers fragment

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This commit is contained in:
Jerry Zhao
2023-11-14 23:38:29 -08:00
committed by GitHub
parent c90d054bb0
commit b50d10418c
1 changed files with 10 additions and 0 deletions
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10
generators/chipyard/src/main/scala/config/fragments/TileFragments.scala
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@@ -105,3 +105,13 @@ class WithTilePrefetchers extends Config((site, here, up) => {
master = TilePrefetchingMasterPortParams(tp.tileParams.hartId, tp.crossingParams.master)))
}
})
// Adds boundary buffers to RocketTiles, which places buffers between the caches and the TileLink interface
// This typically makes it easier to close timing
class WithRocketBoundaryBuffers(buffers: Option[RocketTileBoundaryBufferParams] = Some(RocketTileBoundaryBufferParams(true))) extends Config((site, here, up) => {
case TilesLocated(InSubsystem) => up(TilesLocated(InSubsystem)) map {
case tp: RocketTileAttachParams => tp.copy(tileParams=tp.tileParams.copy(
boundaryBuffers=buffers
))
}
})