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[clocks] Don't override existing take frequency if present.

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This commit is contained in:
David Biancolin
2020-09-23 15:29:52 -07:00
parent f36183d236
commit 84195d28bb
1 changed files with 6 additions and 1 deletions
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7
generators/chipyard/src/main/scala/clocking/ClockGroupNamePrefixer.scala
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@@ -57,7 +57,12 @@ object ClockGroupFrequencySpecifier {
val clockFreq = assigners.foldLeft(defaultFreq)( val clockFreq = assigners.foldLeft(defaultFreq)(
(currentFreq, candidateFunc) => candidateFunc(clock.name.get).getOrElse(currentFreq)) (currentFreq, candidateFunc) => candidateFunc(clock.name.get).getOrElse(currentFreq))
clock.copy(take = clock.take.map(_.copy(freqMHz = clockFreq)).orElse(Some(ClockParameters(clockFreq)))) clock.copy(take = clock.take match {
case Some(cp) =>
println(s"Clock ${clock.name.get}: using diplomatically specified frequency of ${cp.freqMHz}.")
Some(cp)
case None => Some(ClockParameters(clockFreq))
})
} }
LazyModule(new ClockGroupParameterModifier(sinkFn = { s => s.copy(members = s.members.map(lookupFrequencyForName)) })).node LazyModule(new ClockGroupParameterModifier(sinkFn = { s => s.copy(members = s.members.map(lookupFrequencyForName)) })).node