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Update MultiClockRocket frequencies

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This commit is contained in:
Jerry Zhao
2023-05-14 21:48:18 -07:00
parent 2077e4304d
commit a207e37725
1 changed files with 4 additions and 4 deletions
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8
generators/chipyard/src/main/scala/config/RocketConfigs.scala
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@@ -89,12 +89,12 @@ class MulticlockRocketConfig extends Config(
new freechips.rocketchip.subsystem.WithAsynchronousRocketTiles(3, 3) ++ // Add async crossings between RocketTile and uncore
new freechips.rocketchip.subsystem.WithNBigCores(1) ++
// Frequency specifications
new chipyard.config.WithTileFrequency(1600.0) ++ // Matches the maximum frequency of U540
new chipyard.config.WithTileFrequency(1000.0) ++ // Matches the maximum frequency of U540
new chipyard.clocking.WithClockGroupsCombinedByName(("uncore" , Seq("sbus", "cbus", "implicit")),
("periphery", Seq("pbus", "fbus"))) ++
new chipyard.config.WithSystemBusFrequency(800.0) ++ // Matches the maximum frequency of U540
new chipyard.config.WithMemoryBusFrequency(1000.0) ++ // 2x the U540 freq (appropriate for a 128b Mbus)
new chipyard.config.WithPeripheryBusFrequency(100) ++ // Slow periphery bus
new chipyard.config.WithSystemBusFrequency(500.0) ++ // Matches the maximum frequency of U540
new chipyard.config.WithMemoryBusFrequency(500.0) ++ // Matches the maximum frequency of U540
new chipyard.config.WithPeripheryBusFrequency(500.0) ++ // Matches the maximum frequency of U540
// Crossing specifications
new chipyard.config.WithFbusToSbusCrossingType(AsynchronousCrossing()) ++ // Add Async crossing between FBUS and SBUS
new chipyard.config.WithCbusToPbusCrossingType(AsynchronousCrossing()) ++ // Add Async crossing between PBUS and CBUS