riscv/rocket-chip
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support for multiple tilelink paramerterizations in same design

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This commit is contained in:
Henry Cook
2014-09-24 11:34:16 -07:00
committed by Yunsup Lee
parent e2ed81dcd2
commit 5a840c5520
3 changed files with 16 additions and 7 deletions
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15
src/main/scala/PublicConfigs.scala
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@@ -87,10 +87,17 @@ class DefaultConfig extends ChiselConfig {
case LNMasters => site(NBanks)
case LNClients => site(NTiles)+1
case LNEndpoints => site(LNMasters) + site(LNClients)
case TLId => "inner"
case TLCoherence => site(Coherence)
case TLAddrBits => site(PAddrBits) - site(CacheBlockOffsetBits)
case TLMasterXactIdBits => log2Up(site(NReleaseTransactors)+site(NAcquireTransactors))
case TLClientXactIdBits => log2Up(site(NMSHRs))+log2Up(site(NTilePorts))
case TLMasterXactIdBits => site(TLId) match {
case "inner" => log2Up(site(NReleaseTransactors)+site(NAcquireTransactors))
case "outer" => 1
}
case TLClientXactIdBits => site(TLId) match {
case "inner" => log2Up(site(NMSHRs))+log2Up(site(NTilePorts))
case "outer" => log2Up(site(NReleaseTransactors)+site(NAcquireTransactors))
}
case TLDataBits => site(CacheBlockBytes)*8
case TLWriteMaskBits => 6
case TLWordAddrBits => 3
@@ -113,9 +120,9 @@ class DefaultConfig extends ChiselConfig {
}
case BuildCoherenceMaster => (id: Int) => {
if(site[Boolean]("USE_L2_CACHE")) {
Module(new L2HellaCache(id), { case CacheName => "L2" })
Module(new L2HellaCache(id, "inner", "outer"), { case CacheName => "L2" })
} else {
Module(new L2CoherenceAgent(id), { case CacheName => "L2" })
Module(new L2CoherenceAgent(id, "inner", "outer"), { case CacheName => "L2" })
}
}
case Coherence => {

6
src/main/scala/RocketChip.scala
View File

@@ -42,9 +42,11 @@ class OuterMemorySystem extends Module with TopLevelParameters {
masterEndpoints.map{ _.io.incoherent zip io.incoherent map { case (m, c) => m := c } }
// Create a converter between TileLinkIO and MemIO
val conv = Module(new MemIOUncachedTileLinkIOConverter(2))
val conv = Module(new MemIOUncachedTileLinkIOConverter(2),
{ case TLId => "outer" })
if(params(NBanks) > 1) {
val arb = Module(new UncachedTileLinkIOArbiterThatAppendsArbiterId(params(NBanks)))
val arb = Module(new UncachedTileLinkIOArbiterThatAppendsArbiterId(params(NBanks)),
{ case TLId => "outer" })
arb.io.in zip masterEndpoints.map(_.io.outer) map { case (arb, cache) => arb <> cache }
conv.io.uncached <> arb.io.out
} else {