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Update MultiHarnessBinders to connect differently typed ports + Ignore TLMonitors on DigitalTop scope #1868

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merged 1 commit into from
Apr 30, 2024
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Update MultiHarnessBinders to connect differently typed ports + Ignore TLMonitors on DigitalTop scope #1868

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5 changes: 3 additions & 2 deletions generators/chipyard/src/main/scala/System.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -80,9 +80,10 @@ trait CanHaveMasterTLMemPort { this: BaseSubsystem =>
}
}).toList.flatten)

// disable inwards monitors from node since the class with this trait (i.e. DigitalTop)
// doesn't provide an implicit clock to those monitors
mbus.coupleTo(s"memory_controller_port_named_$portName") {
(memTLNode
:*= TLBuffer()
(DisableMonitors { implicit p => memTLNode :*= TLBuffer() }
:*= TLSourceShrinker(1 << idBits)
:*= TLWidthWidget(mbus.beatBytes)
:*= _)
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13 changes: 6 additions & 7 deletions generators/chipyard/src/main/scala/harness/MultiHarnessBinders.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -30,30 +30,29 @@ object ApplyMultiHarnessBinders {
}
}

class MultiHarnessBinder[T <: Port[_], S <: HasHarnessInstantiators](
class MultiHarnessBinder[T <: Port[_], U <: Port[_], S <: HasHarnessInstantiators](
chip0: Int, chip1: Int,
chip0portFn: T => Boolean, chip1portFn: T => Boolean,
connectFn: (S, T, T) => Unit
)(implicit tag0: ClassTag[T], tag1: ClassTag[S]) extends Config((site, here, up) => {
chip0portFn: T => Boolean, chip1portFn: U => Boolean,
connectFn: (S, T, U) => Unit
)(implicit tag0: ClassTag[T], tag1: ClassTag[U], tag2: ClassTag[S]) extends Config((site, here, up) => {
// Override any HarnessBinders for chip0/chip1
case MultiChipParameters(`chip0`) => new Config(
new HarnessBinder({case (th: S, port: T, chipId: Int) if chip0portFn(port) => }) ++ up(MultiChipParameters(chip0))
)
case MultiChipParameters(`chip1`) => new Config(
new HarnessBinder({case (th: S, port: T, chipId: Int) if chip1portFn(port) => }) ++ up(MultiChipParameters(chip1))
new HarnessBinder({case (th: S, port: U, chipId: Int) if chip1portFn(port) => }) ++ up(MultiChipParameters(chip1))
)
// Set the multiharnessbinder key
case MultiHarnessBinders(`chip0`, `chip1`) => up(MultiHarnessBinders(chip0, chip1)) :+ {
((th: S, chip0Ports: Seq[Port[_]], chip1Ports: Seq[Port[_]]) => {
val chip0Port: Seq[T] = chip0Ports.collect { case (p: T) if chip0portFn(p) => p }
val chip1Port: Seq[T] = chip1Ports.collect { case (p: T) if chip1portFn(p) => p }
val chip1Port: Seq[U] = chip1Ports.collect { case (p: U) if chip1portFn(p) => p }
require(chip0Port.size == 1 && chip1Port.size == 1)
connectFn(th, chip0Port(0), chip1Port(0))
})
}
})


class WithMultiChipSerialTL(chip0: Int, chip1: Int, chip0portId: Int = 0, chip1portId: Int = 0) extends MultiHarnessBinder(
chip0, chip1,
(p0: SerialTLPort) => p0.portId == chip0portId,
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