src/main/scala/devices/mockaon/MockAONPeriphery.scala

   1 // See LICENSE for license details.
   2 package sifive.blocks.devices.mockaon
   3
   4 import Chisel._
   5 import diplomacy.LazyModule
   6 import rocketchip.{TopNetwork,TopNetworkModule}
   7 import uncore.tilelink2.{IntXing, TLAsyncCrossingSource, TLFragmenter}
   8 import coreplex._
   9
  10 trait PeripheryMockAON extends TopNetwork {
  11   val mockAONConfig: MockAONConfig
  12   val coreplex: CoreplexRISCVPlatform
  13
  14   // We override the clock & Reset here so that all synchronizers, etc
  15   // are in the proper clock domain.
  16   val aon = LazyModule(new MockAONWrapper(mockAONConfig))
  17   val aon_int = LazyModule(new IntXing)
  18   aon.node := TLAsyncCrossingSource()(TLFragmenter(peripheryBusConfig.beatBytes, cacheBlockBytes)(peripheryBus.node))
  19   aon_int.intnode := aon.intnode
  20   intBus.intnode := aon_int.intnode
  21 }
  22
  23 trait PeripheryMockAONBundle {
  24   val aon = new MockAONWrapperBundle()
  25 }
  26
  27 trait PeripheryMockAONModule {
  28   this: TopNetworkModule {
  29     val outer: PeripheryMockAON
  30     val io: PeripheryMockAONBundle
  31   } =>
  32
  33   io.aon <> outer.aon.module.io
  34
  35   // Explicit clock & reset are unused in MockAONWrapper.
  36   // Tie  to check this assumption.
  37   outer.aon.module.clock := Bool(false).asClock
  38   outer.aon.module.reset := Bool(true)
  39
  40   outer.coreplex.module.io.rtcToggle := outer.aon.module.io.rtc.asUInt.toBool
  41
  42 }