First try to purge out ClockGroup API #3582
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sequencer
commented
Mar 10, 2024
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| /** Layers of hierarchy with this trait contain attachment points for TileLink interfaces */ | ||
| trait HasTileLinkLocations extends HasPRCILocations { this: LazyModule => | ||
| trait HasTileLinkLocations extends HasLocations with LazyScope { this: LazyModule => |
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I think we dont need HasLocations here.
| /** Subclasses of this trait have the ability to instantiate things inside a context that has TL attachement locations */ | ||
| trait CanInstantiateWithinContextThatHasTileLinkLocations { | ||
| def instantiate(context: HasTileLinkLocations)(implicit p: Parameters): Unit | ||
| def instantiate(context: HasTileLinkLocations with HasPRCILocations with LazyModule)(implicit p: Parameters): Unit |
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originally the
HasTileLinkLocations couples HasPRCILocations to much. It's a bad design pattern.
| * what is being made available via the LocationMaps in trait HasTileLinkLocations. | ||
| */ | ||
| trait Attachable extends HasTileLinkLocations { this: LazyModule => | ||
| trait Attachable extends HasTileLinkLocations with HasPRCILocations { this: LazyModule => |
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Maybe rename Attachable to TLAttachable?
| lazy val location = InCluster(clusterId) | ||
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| lazy val allClockGroupsNode = ClockGroupIdentityNode() | ||
| // lazy val allClockGroupsNode = ClockGroupIdentityNode() |
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I'm not so sure about this...
| private val clockGroup = LazyModule(new ClockGroup(busName){ override def shouldBeInlined = true }) | ||
| val clockGroupNode = clockGroupAggregator.node // other bus clock groups attach here | ||
| val clockNode = clockGroup.node | ||
| val clockNode = ClockAdapterNode() |
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Need to assert input to this clockNode to be 1? or just use FixedClockBroadcast instead?
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The Current ClockGroup API is misleading and is strange design pattern for clock doamins. This PR is used for purging out all the ClockGroup usage in rocket-chip, providing a clean API for ClockNode Attaching.