riscv/rocket-chip
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rocket: add dtim and itim refs to cpus

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This commit is contained in:
Wesley W. Terpstra 2017-06-28 21:40:01 -07:00
parent 7d6f8d48f2
commit 5edc4546e3
1 changed files with 8 additions and 1 deletions
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9
src/main/scala/rocket/RocketTiles.scala
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@ -31,6 +31,7 @@ class RocketTile(val rocketParams: RocketTileParams, val hartid: Int)(implicit p
private def ofInt(x: Int) = Seq(ResourceInt(BigInt(x))) private def ofInt(x: Int) = Seq(ResourceInt(BigInt(x)))
private def ofStr(x: String) = Seq(ResourceString(x)) private def ofStr(x: String) = Seq(ResourceString(x))
private def ofRef(x: Device) = Seq(ResourceReference(x.label))
val cpuDevice = new Device { val cpuDevice = new Device {
def describe(resources: ResourceBindings): Description = { def describe(resources: ResourceBindings): Description = {
@ -47,6 +48,12 @@ class RocketTile(val rocketParams: RocketTileParams, val hartid: Int)(implicit p
"d-cache-sets" -> ofInt(d.nSets), "d-cache-sets" -> ofInt(d.nSets),
"d-cache-size" -> ofInt(d.nSets * d.nWays * block))).getOrElse(Map()) "d-cache-size" -> ofInt(d.nSets * d.nWays * block))).getOrElse(Map())
val dtim = scratch.map(d => Map(
"sifive,dtim" -> ofRef(d.device))).getOrElse(Map())
val itim = if (!frontend.icache.slaveNode.isDefined) Map() else Map(
"sifive,itim" -> ofRef(frontend.icache.device))
val icache = rocketParams.icache.map(i => Map( val icache = rocketParams.icache.map(i => Map(
"i-cache-block-size" -> ofInt(block), "i-cache-block-size" -> ofInt(block),
"i-cache-sets" -> ofInt(i.nSets), "i-cache-sets" -> ofInt(i.nSets),
@ -86,7 +93,7 @@ class RocketTile(val rocketParams: RocketTileParams, val hartid: Int)(implicit p
"status" -> ofStr("okay"), "status" -> ofStr("okay"),
"clock-frequency" -> Seq(ResourceInt(rocketParams.core.bootFreqHz)), "clock-frequency" -> Seq(ResourceInt(rocketParams.core.bootFreqHz)),
"riscv,isa" -> ofStr(isa)) "riscv,isa" -> ofStr(isa))
++ dcache ++ icache ++ nextlevel ++ mmu ++ itlb ++ dtlb) ++ dcache ++ icache ++ nextlevel ++ mmu ++ itlb ++ dtlb ++ dtim ++itim)
} }
} }
val intcDevice = new Device { val intcDevice = new Device {