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rocket-chip/src/main/scala/groundtest/Coreplex.scala
2017-07-24 21:41:17 -07:00

57 lines
1.8 KiB
Scala

// See LICENSE.SiFive for license details.
package freechips.rocketchip.groundtest
import Chisel._
import freechips.rocketchip.config.{Field, Parameters}
import freechips.rocketchip.diplomacy._
import freechips.rocketchip.coreplex._
import freechips.rocketchip.tilelink._
import freechips.rocketchip.tile._
import scala.math.max
case object TileId extends Field[Int]
class GroundTestCoreplex(implicit p: Parameters) extends BaseCoreplex
with HasMasterAXI4MemPort
with HasPeripheryTestRAMSlave {
val tileParams = p(GroundTestTilesKey)
val tiles = tileParams.zipWithIndex.map { case(c, i) => LazyModule(
c.build(i, p.alterPartial {
case TileKey => c
case SharedMemoryTLEdge => sbus.busView
})
)}
tiles.foreach { sbus.fromSyncTiles(BufferParams.default) :=* _.masterNode }
val pbusRAM = LazyModule(new TLRAM(AddressSet(testRamAddr, 0xffff), false, pbus.beatBytes))
pbusRAM.node := pbus.toVariableWidthSlaves
override lazy val module = new GroundTestCoreplexModule(this)
}
class GroundTestCoreplexModule[+L <: GroundTestCoreplex](_outer: L) extends BaseCoreplexModule(_outer)
with HasMasterAXI4MemPortModuleImp {
val success = IO(Bool(OUTPUT))
outer.tiles.zipWithIndex.map { case(t, i) => t.module.io.hartid := UInt(i) }
val status = DebugCombiner(outer.tiles.map(_.module.io.status))
success := status.finished
}
/** Adds a SRAM to the system for testing purposes. */
trait HasPeripheryTestRAMSlave extends HasPeripheryBus {
val testram = LazyModule(new TLRAM(AddressSet(0x52000000, 0xfff), true, pbus.beatBytes))
testram.node := pbus.toVariableWidthSlaves
}
/** Adds a fuzzing master to the system for testing purposes. */
trait HasPeripheryTestFuzzMaster extends HasPeripheryBus {
val fuzzer = LazyModule(new TLFuzzer(5000))
pbus.bufferFromMasters := fuzzer.node
}