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Add generic TileLink width adapter

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This commit is contained in:
Andrew Waterman 2016-05-26 15:59:42 -07:00
parent 8139f71dfb
commit b6d26e90f8
1 changed files with 18 additions and 0 deletions
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18
uncore/src/main/scala/converters.scala
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@ -747,6 +747,24 @@ class TileLinkIONastiIOConverter(implicit p: Parameters) extends TLModule()(p)
io.nasti.b.ready, io.nasti.r.ready)
}
object TileLinkWidthAdapter {
def apply(in: ClientUncachedTileLinkIO, out: ClientUncachedTileLinkIO)(implicit p: Parameters): Unit = {
require(out.tlDataBits * out.tlDataBeats == in.tlDataBits * in.tlDataBeats)
if (out.tlDataBits > in.tlDataBits) {
val widener = Module(new TileLinkIOWidener(in.p(TLId), out.p(TLId)))
widener.io.in <> in
out <> widener.io.out
} else if (out.tlDataBits < in.tlDataBits) {
val narrower = Module(new TileLinkIOWidener(in.p(TLId), out.p(TLId)))
narrower.io.in <> in
out <> narrower.io.out
} else {
out <> in
}
}
}
class TileLinkIOWidener(innerTLId: String, outerTLId: String)
(implicit p: Parameters) extends TLModule()(p) {