Files
chipyard/generators/chipyard/src/main/scala/Subsystem.scala
2020-09-05 11:45:06 -07:00

72 lines
2.5 KiB
Scala

//******************************************************************************
// Copyright (c) 2019 - 2019, The Regents of the University of California (Regents).
// All Rights Reserved. See LICENSE and LICENSE.SiFive for license details.
//------------------------------------------------------------------------------
package chipyard
import chisel3._
import chisel3.internal.sourceinfo.{SourceInfo}
import freechips.rocketchip.prci._
import freechips.rocketchip.config.{Field, Parameters}
import freechips.rocketchip.devices.tilelink._
import freechips.rocketchip.devices.debug.{HasPeripheryDebug, HasPeripheryDebugModuleImp, ExportDebug}
import freechips.rocketchip.diplomacy._
import freechips.rocketchip.diplomaticobjectmodel.model.{OMInterrupt}
import freechips.rocketchip.diplomaticobjectmodel.logicaltree.{RocketTileLogicalTreeNode, LogicalModuleTree}
import freechips.rocketchip.tile._
import freechips.rocketchip.tilelink._
import freechips.rocketchip.interrupts._
import freechips.rocketchip.util._
import freechips.rocketchip.subsystem._
import freechips.rocketchip.amba.axi4._
import boom.common.{BoomTile}
import testchipip.{DromajoHelper, CanHavePeripherySerial, SerialKey}
trait CanHaveHTIF { this: BaseSubsystem =>
// Advertise HTIF if system can communicate with fesvr
if (this match {
case _: CanHavePeripherySerial if p(SerialKey) => true
case _: HasPeripheryDebug if p(ExportDebug).dmi => true
case _ => false
}) {
ResourceBinding {
val htif = new Device {
def describe(resources: ResourceBindings): Description = {
val compat = resources("compat").map(_.value)
Description("htif", Map(
"compatible" -> compat))
}
}
Resource(htif, "compat").bind(ResourceString("ucb,htif0"))
}
}
}
class ChipyardSubsystem(implicit p: Parameters) extends BaseSubsystem
with HasTiles
with CanHaveHTIF
{
def coreMonitorBundles = tiles.map {
case r: RocketTile => r.module.core.rocketImpl.coreMonitorBundle
case b: BoomTile => b.module.core.coreMonitorBundle
}.toList
override lazy val module = new ChipyardSubsystemModuleImp(this)
}
class ChipyardSubsystemModuleImp[+L <: ChipyardSubsystem](_outer: L) extends BaseSubsystemModuleImp(_outer)
with HasTilesModuleImp
{
// create file with core params
ElaborationArtefacts.add("""core.config""", outer.tiles.map(x => x.module.toString).mkString("\n"))
// Generate C header with relevant information for Dromajo
// This is included in the `dromajo_params.h` header file
DromajoHelper.addArtefacts(InSubsystem)
}