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subsystem: new bus attachment api

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This commit is contained in:
Henry Cook
2018-02-15 14:01:49 -08:00
parent 8462ea3d5b
commit 3f436a7612
17 changed files with 324 additions and 252 deletions
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7
src/main/scala/devices/tilelink/Zero.scala
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@ -50,13 +50,16 @@ trait HasMemoryZeroSlave extends HasMemoryBus {
private val params = p(ZeroParams)
private val device = new SimpleDevice("rom", Seq("ucbbar,cacheable-zero0"))
val zeros = memBuses.map(_.toVariableWidthSlave).zipWithIndex.map { case (node, channel) =>
val zeros = memBuses
.map(m => m.toVariableWidthSlave(Some("Zero"))(_))
.zipWithIndex
.map { case (attach, channel) =>
val channels = memBuses.size
val base = AddressSet(params.base, params.size-1)
val filter = AddressSet(channel * cacheBlockBytes, ~((channels-1) * cacheBlockBytes))
val address = base.intersect(filter).get
val zero = LazyModule(new TLZero(address, beatBytes = params.beatBytes, resources = device.reg("mem")))
zero.node := node
attach { zero.node }
zero
}
}