Merge branch 'param-refactor-tl'

junctions

@@ -1 +1 @@
-Subproject commit 70a5971a223380f9334105aa715ba38fad9ef5f2
+Subproject commit 5f099ddb2186687d3e309e870676e63c8844e7e0

rocket

@@ -1 +1 @@
-Subproject commit ca26680973158727c4c7dcbff0d3054b988d5f7a
+Subproject commit 4d29d5c48cfaa3800bf5b6d5428a9c6e83335477

src/main/scala/Configs.scala

@@ -15,25 +15,22 @@ class DefaultConfig extends ChiselConfig (
   topDefinitions = { (pname,site,here) => 
     type PF = PartialFunction[Any,Any]
     def findBy(sname:Any):Any = here[PF](site[Any](sname))(pname)
-    def genCsrAddrMap() = {
+    def genCsrAddrMap: AddrMap = {
-      val xLen = site(XLen)
+      val csrSize = (1 << 12) * (site(XLen) / 8)
-      val nSCR = site(HTIFNSCR)
+      val csrs = (0 until site(NTiles)).map{ i => 
-      val csrSize = (1 << 12) * (xLen / 8)
+        AddrMapEntry(s"csr$i", None, MemSize(csrSize, AddrMapConsts.RW))
-      val nTiles = site(NTiles)
+      }
-
+      val scrSize = site(HtifKey).nSCR * (site(XLen) / 8)
-      (0 until nTiles)
+      val scr = AddrMapEntry("scr", None, MemSize(scrSize, AddrMapConsts.RW))
-        .map(i => (s"csr$i", None, MemSize(csrSize, AddrMap.RW))) :+
+      new AddrMap(csrs :+ scr)
-        ("scr", None, MemSize(nSCR * xLen / 8, AddrMap.RW))
     }
     pname match {
-      //
       case UseZscale => false
-      //HTIF Parameters
+      case HtifKey => HtifParameters(
-      case HTIFWidth => Dump("HTIF_WIDTH", 16)
+                       width = Dump("HTIF_WIDTH", 16),
-      case HTIFNSCR => 64
+                       nSCR = 64,
-      case HTIFSCRDataBits => site(XLen)
+                       offsetBits = site(CacheBlockOffsetBits),
-      case HTIFOffsetBits => site(CacheBlockOffsetBits)
+                       nCores = site(NTiles))
-      case HTIFNCores => site(NTiles)
       //Memory Parameters
       case PAddrBits => 32
       case PgIdxBits => 12
@@ -50,9 +47,10 @@ class DefaultConfig extends ChiselConfig (
       case MIFDataBits => Dump("MEM_DATA_BITS", 128)
       case MIFAddrBits => Dump("MEM_ADDR_BITS", site(PAddrBits) - site(CacheBlockOffsetBits))
       case MIFDataBeats => site(CacheBlockBytes) * 8 / site(MIFDataBits)
-      case NASTIDataBits => site(MIFDataBits)
+      case NastiKey => NastiParameters(
-      case NASTIAddrBits => site(PAddrBits)
+                        dataBits = site(MIFDataBits),
-      case NASTIIdBits => site(MIFTagBits)
+                        addrBits = site(PAddrBits),
+                        idBits = site(MIFTagBits))
       //Params used by all caches
       case NSets => findBy(CacheName)
       case NWays => findBy(CacheName)
@@ -74,8 +72,7 @@ class DefaultConfig extends ChiselConfig (
       case Replacer => () => new RandomReplacement(site(NWays))
       case AmoAluOperandBits => site(XLen)
       //L1InstCache
-      case NBTBEntries => 62
+      case BtbKey => BtbParameters()
-      case NRAS => 2
       //L1DataCache
       case WordBits => site(XLen)
       case StoreDataQueueDepth => 17
@@ -86,15 +83,19 @@ class DefaultConfig extends ChiselConfig (
       //L2 Memory System Params
       case NAcquireTransactors => 7
       case L2StoreDataQueueDepth => 1
-      case L2DirectoryRepresentation => new NullRepresentation(site(TLNCachingClients))
+      case L2DirectoryRepresentation => new NullRepresentation(site(NTiles))
-      case BuildL2CoherenceManager => () =>
+      case BuildL2CoherenceManager => (p: Parameters) =>
-        Module(new L2BroadcastHub, { case InnerTLId => "L1ToL2"; case OuterTLId => "L2ToMC" })
+        Module(new L2BroadcastHub()(p.alterPartial({
+          case InnerTLId => "L1toL2"
+          case OuterTLId => "L2toMC" })))
       //Tile Constants
       case BuildTiles => {
         TestGeneration.addSuites(rv64i.map(_("p")))
         TestGeneration.addSuites((if(site(UseVM)) List("pt","v") else List("pt")).flatMap(env => rv64u.map(_(env))))
         TestGeneration.addSuites(if(site(NTiles) > 1) List(mtBmarks, bmarks) else List(bmarks))
-        List.fill(site(NTiles)){ (r:Bool) => Module(new RocketTile(resetSignal = r), {case TLId => "L1ToL2"}) }
+        List.fill(site(NTiles)){ (r: Bool, p: Parameters) =>
+          Module(new RocketTile(resetSignal = r)(p.alterPartial({case TLId => "L1toL2"})))
+        }
       }
       case BuildRoCC => None
       case NDCachePorts => 2 + (if(site(BuildRoCC).isEmpty) 0 else 1) 
@@ -108,12 +109,11 @@ class DefaultConfig extends ChiselConfig (
       case FastLoadByte => false
       case FastMulDiv => true
       case XLen => 64
-      case NMultXpr => 32
       case BuildFPU => {
         val env = if(site(UseVM)) List("p","pt","v") else List("p","pt")
         if(site(FDivSqrt)) TestGeneration.addSuites(env.map(rv64uf))
         else TestGeneration.addSuites(env.map(rv64ufNoDiv))
-        Some(() => Module(new FPU))
+        Some((p: Parameters) => Module(new FPU()(p)))
       }
       case FDivSqrt => true
       case SFMALatency => 2
@@ -124,41 +124,34 @@ class DefaultConfig extends ChiselConfig (
       case NCustomMRWCSRs => 0
       //Uncore Paramters
       case RTCPeriod => 100 // gives 10 MHz RTC assuming 1 GHz uncore clock
-      case LNEndpoints => site(TLNManagers) + site(TLNClients)
+      case LNEndpoints => site(TLKey(site(TLId))).nManagers + site(TLKey(site(TLId))).nClients
-      case LNHeaderBits => log2Ceil(site(TLNManagers)) + log2Up(site(TLNClients))
+      case LNHeaderBits => log2Ceil(site(TLKey(site(TLId))).nManagers) +
-      case TLBlockAddrBits => site(PAddrBits) - site(CacheBlockOffsetBits)
+                             log2Up(site(TLKey(site(TLId))).nClients)
-      case TLNClients => site(TLNCachingClients) + site(TLNCachelessClients)
+      case TLKey("L1toL2") => 
-      case TLDataBits => site(CacheBlockBytes)*8/site(TLDataBeats)
+        TileLinkParameters(
-      case TLDataBeats => 4
+          coherencePolicy = new MESICoherence(site(L2DirectoryRepresentation)),
-      case TLWriteMaskBits => (site(TLDataBits) - 1) / 8 + 1
+          nManagers = site(NBanksPerMemoryChannel)*site(NMemoryChannels),
-      case TLNetworkIsOrderedP2P => false
+          nCachingClients = site(NTiles),
-      case TLNManagers => findBy(TLId)
+          nCachelessClients = site(NTiles) + 1,
-      case TLNCachingClients => findBy(TLId)
+          maxClientXacts = max(site(NMSHRs) + site(NIOMSHRs),
-      case TLNCachelessClients => findBy(TLId)
-      case TLCoherencePolicy => findBy(TLId)
-      case TLMaxManagerXacts => findBy(TLId)
-      case TLMaxClientXacts => findBy(TLId)
-      case TLMaxClientsPerPort => findBy(TLId)
-      case "L1ToL2" => {
-        case TLNManagers => site(NBanksPerMemoryChannel)*site(NMemoryChannels)
-        case TLNCachingClients => site(NTiles)
-        case TLNCachelessClients => site(NTiles) + 1
-        case TLCoherencePolicy => new MESICoherence(site(L2DirectoryRepresentation)) 
-        case TLMaxManagerXacts => site(NAcquireTransactors) + 2
-        case TLMaxClientXacts => max(site(NMSHRs) + site(NIOMSHRs),
                                        if(site(BuildRoCC).isEmpty) 1 
-                                       else site(RoCCMaxTaggedMemXacts))
+                                         else site(RoCCMaxTaggedMemXacts)),
-        case TLMaxClientsPerPort => if(site(BuildRoCC).isEmpty) 1 else 3
+          maxClientsPerPort = if(site(BuildRoCC).isEmpty) 1 else 3,
-      }:PF
+          maxManagerXacts = site(NAcquireTransactors) + 2,
-      case "L2ToMC" => {
+          addrBits = site(PAddrBits) - site(CacheBlockOffsetBits),
-        case TLNManagers => 1
+          dataBits = site(CacheBlockBytes)*8)()
-        case TLNCachingClients => site(NBanksPerMemoryChannel)
+      case TLKey("L2toMC") => 
-        case TLNCachelessClients => 0
+        TileLinkParameters(
-        case TLCoherencePolicy => new MEICoherence(new NullRepresentation(site(NBanksPerMemoryChannel)))
+          coherencePolicy = new MEICoherence(new NullRepresentation(site(NBanksPerMemoryChannel))),
-        case TLMaxManagerXacts => 1
+          nManagers = 1,
-        case TLMaxClientXacts => 1
+          nCachingClients = site(NBanksPerMemoryChannel),
-        case TLMaxClientsPerPort => site(NAcquireTransactors) + 2
+          nCachelessClients = 0,
-      }:PF
+          maxClientXacts = 1,
+          maxClientsPerPort = site(NAcquireTransactors) + 2,
+          maxManagerXacts = 1,
+          addrBits = site(PAddrBits) - site(CacheBlockOffsetBits),
+          dataBits = site(CacheBlockBytes)*8)()
+      case TLKey("Outermost") => site(TLKey("L2toMC"))
       case NTiles => Knob("NTILES")
       case NMemoryChannels => 1
       case NBanksPerMemoryChannel => Knob("NBANKS")
@@ -169,15 +162,10 @@ class DefaultConfig extends ChiselConfig (
       case UseBackupMemoryPort => true
       case MMIOBase => BigInt(1 << 30) // 1 GB
       case ExternalIOStart => 2 * site(MMIOBase)
-      case NASTIAddrMap => Seq(
+      case GlobalAddrMap => AddrMap(
-        ("mem", None, MemSize(site(MMIOBase), AddrMap.RWX)),
+        AddrMapEntry("mem", None, MemSize(site(MMIOBase), AddrMapConsts.RWX)),
-        ("conf", None, MemSubmap(site(ExternalIOStart) - site(MMIOBase),
+        AddrMapEntry("conf", None, MemSubmap(site(ExternalIOStart) - site(MMIOBase), genCsrAddrMap)),
-          genCsrAddrMap())),
+        AddrMapEntry("io", Some(site(ExternalIOStart)), MemSize(2 * site(MMIOBase), AddrMapConsts.RW)))
-        ("io", Some(site(ExternalIOStart)),
-          MemSize(2 * site(MMIOBase), AddrMap.RW)))
-      case NASTIAddrHashMap => new AddrHashMap(site(NASTIAddrMap))
-      case NASTINMasters => site(TLNManagers) + 1
-      case NASTINSlaves => site(NASTIAddrHashMap).nEntries
   }},
   knobValues = {
     case "NTILES" => 1
@@ -209,16 +197,16 @@ class WithL2Cache extends ChiselConfig(
                           site(NBanksPerMemoryChannel)*site(NMemoryChannels)) /
                             site(NWays)
       case NWays => Knob("L2_WAYS")
-      case RowBits => site(TLDataBits)
+      case RowBits => site(TLKey(site(TLId))).dataBits
     }: PartialFunction[Any,Any] 
     case NAcquireTransactors => 2
     case NSecondaryMisses => 4
-    case L2DirectoryRepresentation => new FullRepresentation(site(TLNCachingClients))
+    case L2DirectoryRepresentation => new FullRepresentation(site(NTiles))
-    case BuildL2CoherenceManager => () =>
+    case BuildL2CoherenceManager => (p: Parameters) =>
-      Module(new L2HellaCacheBank, {
+      Module(new L2HellaCacheBank()(p.alterPartial({
          case CacheName => "L2Bank"
-         case InnerTLId => "L1ToL2"
+         case InnerTLId => "L1toL2"
-         case OuterTLId => "L2ToMC"})
+         case OuterTLId => "L2toMC"})))
   },
   knobValues = { case "L2_WAYS" => 8; case "L2_CAPACITY_IN_KB" => 2048 }
 )
@@ -240,7 +228,7 @@ class WithZscale extends ChiselConfig(
     case BuildZscale => {
       TestGeneration.addSuites(List(rv32ui("p"), rv32um("p")))
       TestGeneration.addSuites(List(zscaleBmarks))
-      (r: Bool) => Module(new Zscale(r), {case TLId => "L1ToL2"})
+      (r: Bool, p: Parameters) => Module(new Zscale(r)(p.alterPartial({case TLId => "L1toL2"})))
     }
     case UseZscale => true
     case BootROMCapacity => Dump("BOOT_CAPACITY", 16*1024)
@@ -264,7 +252,7 @@ class SmallConfig extends ChiselConfig (
       case BuildFPU => None
       case FastMulDiv => false
       case NTLBEntries => 4
-      case NBTBEntries => 8
+      case BtbKey => BtbParameters(nEntries = 8)
     }},
   knobValues = {
     case "L1D_SETS" => 64

src/main/scala/Network.scala

@@ -29,9 +29,10 @@ abstract class RocketChipNetwork(
       addrToManagerId: UInt => UInt,
       sharerToClientId: UInt => UInt,
       clientDepths: TileLinkDepths, 
-    managerDepths: TileLinkDepths) extends TLModule {
+      managerDepths: TileLinkDepths)
-  val nClients = params(TLNClients)
+    (implicit p: Parameters) extends TLModule()(p) {
-  val nManagers = params(TLNManagers)
+  val nClients = tlNClients
+  val nManagers = tlNManagers
   val io = new Bundle {
     val clients = Vec(new ClientTileLinkIO, nClients).flip
     val managers = Vec(new ManagerTileLinkIO, nManagers).flip
@@ -39,21 +40,21 @@ abstract class RocketChipNetwork(
 
   val clients = io.clients.zipWithIndex.map { 
     case (c, i) => {
-      val p = Module(new ClientTileLinkNetworkPort(i, addrToManagerId))
+      val port = Module(new ClientTileLinkNetworkPort(i, addrToManagerId))
-      val q = Module(new TileLinkEnqueuer(clientDepths))
+      val qs = Module(new TileLinkEnqueuer(clientDepths))
-      p.io.client <> c
+      port.io.client <> c
-      q.io.client <> p.io.network
+      qs.io.client <> port.io.network
-      q.io.manager 
+      qs.io.manager 
     }
   }
 
   val managers = io.managers.zipWithIndex.map {
     case (m, i) => {
-      val p = Module(new ManagerTileLinkNetworkPort(i, sharerToClientId))
+      val port = Module(new ManagerTileLinkNetworkPort(i, sharerToClientId))
-      val q = Module(new TileLinkEnqueuer(managerDepths))
+      val qs = Module(new TileLinkEnqueuer(managerDepths))
-      p.io.manager <> m
+      port.io.manager <> m
-      p.io.network <> q.io.manager
+      port.io.network <> qs.io.manager
-      q.io.client
+      qs.io.client
     }
   }
 }
@@ -64,7 +65,8 @@ class RocketChipTileLinkArbiter(
       sharerToClientId: UInt => UInt = (u: UInt) => u,
       clientDepths: TileLinkDepths = TileLinkDepths(0,0,0,0,0), 
       managerDepths: TileLinkDepths = TileLinkDepths(0,0,0,0,0))
-      extends RocketChipNetwork(u => UInt(0), sharerToClientId, clientDepths, managerDepths)
+    (implicit p: Parameters)
+      extends RocketChipNetwork(u => UInt(0), sharerToClientId, clientDepths, managerDepths)(p)
         with TileLinkArbiterLike
         with PassesId {
   val arbN = nClients
@@ -90,9 +92,10 @@ class RocketChipTileLinkCrossbar(
       sharerToClientId: UInt => UInt = u => u,
       clientDepths: TileLinkDepths = TileLinkDepths(0,0,0,0,0), 
       managerDepths: TileLinkDepths = TileLinkDepths(0,0,0,0,0))
-      extends RocketChipNetwork(addrToManagerId, sharerToClientId, clientDepths, managerDepths) {
+    (implicit p: Parameters)
-  val n = params(LNEndpoints)
+      extends RocketChipNetwork(addrToManagerId, sharerToClientId, clientDepths, managerDepths)(p) {
-  val count = params(TLDataBeats)
+  val n = p(LNEndpoints)
+  val count = tlDataBeats
   // Actually instantiate the particular networks required for TileLink
   val acqNet = Module(new BasicCrossbar(n, new Acquire, count, Some((a: PhysicalNetworkIO[Acquire]) => a.payload.hasMultibeatData())))
   val relNet = Module(new BasicCrossbar(n, new Release, count, Some((r: PhysicalNetworkIO[Release]) => r.payload.hasMultibeatData())))

src/main/scala/RocketChip.scala

@@ -23,27 +23,31 @@ case object NOutstandingMemReqsPerChannel extends Field[Int]
 /** Whether to use the slow backup memory port [VLSI] */
 case object UseBackupMemoryPort extends Field[Boolean]
 /** Function for building some kind of coherence manager agent */
-case object BuildL2CoherenceManager extends Field[() => CoherenceAgent]
+case object BuildL2CoherenceManager extends Field[Parameters => CoherenceAgent]
 /** Function for building some kind of tile connected to a reset signal */
-case object BuildTiles extends Field[Seq[(Bool) => Tile]]
+case object BuildTiles extends Field[Seq[(Bool, Parameters) => Tile]]
 /** Start address of the "io" region in the memory map */
 case object ExternalIOStart extends Field[BigInt]
 
 /** Utility trait for quick access to some relevant parameters */
-trait TopLevelParameters extends UsesParameters {
+trait HasTopLevelParameters {
-  val htifW = params(HTIFWidth)
+  implicit val p: Parameters
-  val nTiles = params(NTiles)
+  lazy val nTiles = p(NTiles)
-  val nMemChannels = params(NMemoryChannels)
+  lazy val htifW = p(HtifKey).width
-  val nBanksPerMemChannel = params(NBanksPerMemoryChannel)
+  lazy val csrAddrBits = 12
-  val nBanks = nMemChannels*nBanksPerMemChannel
+  lazy val nMemChannels = p(NMemoryChannels)
-  val lsb = params(BankIdLSB)
+  lazy val nBanksPerMemChannel = p(NBanksPerMemoryChannel)
-  val nMemReqs = params(NOutstandingMemReqsPerChannel)
+  lazy val nBanks = nMemChannels*nBanksPerMemChannel
-  val mifAddrBits = params(MIFAddrBits)
+  lazy val lsb = p(BankIdLSB)
-  val mifDataBeats = params(MIFDataBeats)
+  lazy val nMemReqs = p(NOutstandingMemReqsPerChannel)
-  val scrAddrBits = log2Up(params(HTIFNSCR))
+  lazy val mifAddrBits = p(MIFAddrBits)
-  val pcrAddrBits = 12
+  lazy val mifDataBeats = p(MIFDataBeats)
-  val xLen = params(XLen)
+  lazy val xLen = p(XLen)
-  require(lsb + log2Up(nBanks) < mifAddrBits)
+  lazy val nSCR =  p(HtifKey).nSCR
+  lazy val scrAddrBits = log2Up(nSCR)
+  lazy val scrDataBits = 64
+  lazy val scrDataBytes = scrDataBits / 8
+  //require(lsb + log2Up(nBanks) < mifAddrBits)
 }
 
 class MemBackupCtrlIO extends Bundle {
@@ -54,28 +58,30 @@ class MemBackupCtrlIO extends Bundle {
 }
 
 /** Top-level io for the chip */
-class BasicTopIO extends Bundle {
+class BasicTopIO(implicit val p: Parameters) extends ParameterizedBundle()(p)
-  val host = new HostIO
+    with HasTopLevelParameters {
+  val host = new HostIO(htifW)
   val mem_backup_ctrl = new MemBackupCtrlIO
 }
 
-class TopIO extends BasicTopIO {
+class TopIO(implicit p: Parameters) extends BasicTopIO()(p) {
   val mem = new MemIO
 }
 
-class MultiChannelTopIO extends BasicTopIO with TopLevelParameters {
+class MultiChannelTopIO(implicit p: Parameters) extends BasicTopIO()(p) {
-  val mem = Vec(new NASTIIO, nMemChannels)
+  val mem = Vec(new NastiIO, nMemChannels)
-  val mmio = new NASTIIO
+  val mmio = new NastiIO
 }
 
 /** Top-level module for the chip */
 //TODO: Remove this wrapper once multichannel DRAM controller is provided
-class Top extends Module with TopLevelParameters {
+class Top extends Module with HasTopLevelParameters {
+  implicit val p = params
   val io = new TopIO
-  if(!params(UseZscale)) {
+  if(!p(UseZscale)) {
     val temp = Module(new MultiChannelTop)
-    val arb = Module(new NASTIArbiter(nMemChannels))
+    val arb = Module(new NastiArbiter(nMemChannels))
-    val conv = Module(new MemIONASTIIOConverter(params(CacheBlockOffsetBits)))
+    val conv = Module(new MemIONastiIOConverter(p(CacheBlockOffsetBits)))
     arb.io.master <> temp.io.mem
     conv.io.nasti <> arb.io.slave
     io.mem.req_cmd <> Queue(conv.io.mem.req_cmd)
@@ -85,7 +91,7 @@ class Top extends Module with TopLevelParameters {
     io.host <> temp.io.host
 
     // tie off the mmio port
-    val errslave = Module(new NASTIErrorSlave)
+    val errslave = Module(new NastiErrorSlave)
     errslave.io <> temp.io.mmio
   } else {
     val temp = Module(new ZscaleTop)
@@ -93,23 +99,24 @@ class Top extends Module with TopLevelParameters {
   }
 }
 
-class MultiChannelTop extends Module with TopLevelParameters {
+class MultiChannelTop(implicit val p: Parameters) extends Module with HasTopLevelParameters {
   val io = new MultiChannelTopIO
 
   // Build an Uncore and a set of Tiles
-  val uncore = Module(new Uncore, {case TLId => "L1ToL2"})
+  val innerTLParams = p.alterPartial({case TLId => "L1toL2" })
-  val tileList = uncore.io.htif zip params(BuildTiles) map { case(hl, bt) => bt(hl.reset) }
+  val uncore = Module(new Uncore()(innerTLParams))
+  val tileList = uncore.io.htif zip p(BuildTiles) map { case(hl, bt) => bt(hl.reset, p) }
 
   // Connect each tile to the HTIF
   uncore.io.htif.zip(tileList).zipWithIndex.foreach {
     case ((hl, tile), i) =>
       tile.io.host.id := UInt(i)
       tile.io.host.reset := Reg(next=Reg(next=hl.reset))
-      tile.io.host.pcr.req <> Queue(hl.pcr.req)
+      tile.io.host.csr.req <> Queue(hl.csr.req)
-      hl.pcr.resp <> Queue(tile.io.host.pcr.resp)
+      hl.csr.resp <> Queue(tile.io.host.csr.resp)
       hl.ipi_req <> Queue(tile.io.host.ipi_req)
       tile.io.host.ipi_rep <> Queue(hl.ipi_rep)
-      hl.debug_stats_pcr := tile.io.host.debug_stats_pcr
+      hl.debug_stats_csr := tile.io.host.debug_stats_csr
   }
 
   // Connect the uncore to the tile memory ports, HostIO and MemIO
@@ -118,7 +125,7 @@ class MultiChannelTop extends Module with TopLevelParameters {
   io.host <> uncore.io.host
   io.mem <> uncore.io.mem
   io.mmio <> uncore.io.mmio
-  if(params(UseBackupMemoryPort)) { io.mem_backup_ctrl <> uncore.io.mem_backup_ctrl }
+  if(p(UseBackupMemoryPort)) { io.mem_backup_ctrl <> uncore.io.mem_backup_ctrl }
 }
 
 /** Wrapper around everything that isn't a Tile.
@@ -126,18 +133,18 @@ class MultiChannelTop extends Module with TopLevelParameters {
   * Usually this is clocked and/or place-and-routed separately from the Tiles.
   * Contains the Host-Target InterFace module (HTIF).
   */
-class Uncore extends Module with TopLevelParameters {
+class Uncore(implicit val p: Parameters) extends Module with HasTopLevelParameters {
   val io = new Bundle {
-    val host = new HostIO
+    val host = new HostIO(htifW)
-    val mem = Vec(new NASTIIO, nMemChannels)
+    val mem = Vec(new NastiIO, nMemChannels)
     val tiles_cached = Vec(new ClientTileLinkIO, nTiles).flip
     val tiles_uncached = Vec(new ClientUncachedTileLinkIO, nTiles).flip
-    val htif = Vec(new HTIFIO, nTiles).flip
+    val htif = Vec(new HtifIO, nTiles).flip
     val mem_backup_ctrl = new MemBackupCtrlIO
-    val mmio = new NASTIIO
+    val mmio = new NastiIO
   }
 
-  val htif = Module(new HTIF(CSRs.mreset)) // One HTIF module per chip
+  val htif = Module(new Htif(CSRs.mreset)) // One HTIF module per chip
   val outmemsys = Module(new OuterMemorySystem) // NoC, LLC and SerDes
   outmemsys.io.incoherent := htif.io.cpu.map(_.reset)
   outmemsys.io.htif_uncached <> htif.io.mem
@@ -149,28 +156,27 @@ class Uncore extends Module with TopLevelParameters {
     io.htif(i).id := htif.io.cpu(i).id
     htif.io.cpu(i).ipi_req <> io.htif(i).ipi_req
     io.htif(i).ipi_rep <> htif.io.cpu(i).ipi_rep
-    htif.io.cpu(i).debug_stats_pcr <> io.htif(i).debug_stats_pcr
+    htif.io.cpu(i).debug_stats_csr <> io.htif(i).debug_stats_csr
 
-    val pcr_arb = Module(new SMIArbiter(2, 64, 12))
+    val csr_arb = Module(new SMIArbiter(2, xLen, csrAddrBits))
-    pcr_arb.io.in(0) <> htif.io.cpu(i).pcr
+    csr_arb.io.in(0) <> htif.io.cpu(i).csr
-    pcr_arb.io.in(1) <> outmemsys.io.pcr(i)
+    csr_arb.io.in(1) <> outmemsys.io.csr(i)
-    io.htif(i).pcr <> pcr_arb.io.out
+    io.htif(i).csr <> csr_arb.io.out
   }
 
   // Arbitrate SCR access between MMIO and HTIF
-  val scrArb = Module(new SMIArbiter(2, 64, scrAddrBits))
   val scrFile = Module(new SCRFile)
-
+  val scrArb = Module(new SMIArbiter(2, scrDataBits, scrAddrBits))
   scrArb.io.in(0) <> htif.io.scr
   scrArb.io.in(1) <> outmemsys.io.scr
   scrFile.io.smi <> scrArb.io.out
   // scrFile.io.scr <> (... your SCR connections ...)
 
   // Wire the htif to the memory port(s) and host interface
-  io.host.debug_stats_pcr := htif.io.host.debug_stats_pcr
+  io.host.debug_stats_csr := htif.io.host.debug_stats_csr
   io.mem <> outmemsys.io.mem
   io.mmio <> outmemsys.io.mmio
-  if(params(UseBackupMemoryPort)) {
+  if(p(UseBackupMemoryPort)) {
     outmemsys.io.mem_backup_en := io.mem_backup_ctrl.en
     VLSIUtils.padOutHTIFWithDividedClock(htif.io.host, scrFile.io.scr,
       outmemsys.io.mem_backup, io.mem_backup_ctrl, io.host, htifW)
@@ -183,18 +189,18 @@ class Uncore extends Module with TopLevelParameters {
 /** The whole outer memory hierarchy, including a NoC, some kind of coherence
   * manager agent, and a converter from TileLink to MemIO.
   */ 
-class OuterMemorySystem extends Module with TopLevelParameters {
+class OuterMemorySystem(implicit val p: Parameters) extends Module with HasTopLevelParameters {
   val io = new Bundle {
     val tiles_cached = Vec(new ClientTileLinkIO, nTiles).flip
     val tiles_uncached = Vec(new ClientUncachedTileLinkIO, nTiles).flip
     val htif_uncached = (new ClientUncachedTileLinkIO).flip
     val incoherent = Vec(Bool(), nTiles).asInput
-    val mem = Vec(new NASTIIO, nMemChannels)
+    val mem = Vec(new NastiIO, nMemChannels)
     val mem_backup = new MemSerializedIO(htifW)
     val mem_backup_en = Bool(INPUT)
-    val pcr = Vec(new SMIIO(xLen, pcrAddrBits), nTiles)
+    val csr = Vec(new SMIIO(xLen, csrAddrBits), nTiles)
     val scr = new SMIIO(xLen, scrAddrBits)
-    val mmio = new NASTIIO
+    val mmio = new NastiIO
   }
 
   // Create a simple L1toL2 NoC between the tiles+htif and the banks of outer memory
@@ -211,7 +217,7 @@ class OuterMemorySystem extends Module with TopLevelParameters {
 
   // Create point(s) of coherence serialization
   val nManagers = nMemChannels * nBanksPerMemChannel
-  val managerEndpoints = List.fill(nManagers) { params(BuildL2CoherenceManager)()}
+  val managerEndpoints = List.fill(nManagers) { p(BuildL2CoherenceManager)(p)}
   managerEndpoints.foreach { _.incoherent := io.incoherent }
 
   // Wire the tiles and htif to the TileLink client ports of the L1toL2 network,
@@ -220,27 +226,26 @@ class OuterMemorySystem extends Module with TopLevelParameters {
   l1tol2net.io.managers <> managerEndpoints.map(_.innerTL)
 
   // Create a converter between TileLinkIO and MemIO for each channel
-  val outerTLParams = params.alterPartial({ case TLId => "L2ToMC" })
+  val outerTLParams = p.alterPartial({ case TLId => "L2toMC" })
   val backendBuffering = TileLinkDepths(0,0,0,0,0)
 
-  val addrMap = params(NASTIAddrHashMap)
+  val addrMap = p(GlobalAddrMap)
+  val addrHashMap = new AddrHashMap(addrMap)
+  val nMasters = managerEndpoints.size + 1
+  val nSlaves = addrHashMap.nEntries
 
   println("Generated Address Map")
-  for ((name, base, size, _) <- addrMap.sortedEntries) {
+  for ((name, base, size, _) <- addrHashMap.sortedEntries) {
     println(f"\t$name%s $base%x - ${base + size - 1}%x")
   }
 
-  val interconnect = Module(new NASTITopInterconnect)
+  val interconnect = Module(new NastiTopInterconnect(nMasters, nSlaves, addrMap)(p))
 
   for ((bank, i) <- managerEndpoints.zipWithIndex) {
-    val factor = params(TLDataBits) / params(MIFDataBits)
+    val outermostTLParams = p.alterPartial({case TLId => "Outermost"})
-    val outermostTLParams = outerTLParams.alterPartial({
+    val unwrap = Module(new ClientTileLinkIOUnwrapper()(outerTLParams))
-      case TLDataBeats => params(MIFDataBeats)
+    val narrow = Module(new TileLinkIONarrower("L2toMC", "Outermost"))
-      case TLDataBits => params(MIFDataBits)
+    val conv = Module(new NastiIOTileLinkIOConverter()(outermostTLParams))
-    })
-    val unwrap = Module(new ClientTileLinkIOUnwrapper)(outerTLParams)
-    val narrow = Module(new TileLinkIONarrower(factor))(outerTLParams)
-    val conv = Module(new NASTIIOTileLinkIOConverter)(outermostTLParams)
     unwrap.io.in <> bank.outerTL
     narrow.io.in <> unwrap.io.out
     conv.io.tl <> narrow.io.out
@@ -252,24 +257,24 @@ class OuterMemorySystem extends Module with TopLevelParameters {
 
   for (i <- 0 until nTiles) {
     val csrName = s"conf:csr$i"
-    val csrPort = addrMap(csrName).port
+    val csrPort = addrHashMap(csrName).port
-    val conv = Module(new SMIIONASTIIOConverter(xLen, pcrAddrBits))
+    val conv = Module(new SMIIONastiIOConverter(xLen, csrAddrBits))
     conv.io.nasti <> interconnect.io.slaves(csrPort)
-    io.pcr(i) <> conv.io.smi
+    io.csr(i) <> conv.io.smi
   }
 
-  val conv = Module(new SMIIONASTIIOConverter(xLen, scrAddrBits))
+  val conv = Module(new SMIIONastiIOConverter(scrDataBits, scrAddrBits))
-  conv.io.nasti <> interconnect.io.slaves(addrMap("conf:scr").port)
+  conv.io.nasti <> interconnect.io.slaves(addrHashMap("conf:scr").port)
   io.scr <> conv.io.smi
 
-  io.mmio <> interconnect.io.slaves(addrMap("io").port)
+  io.mmio <> interconnect.io.slaves(addrHashMap("io").port)
 
   val mem_channels = interconnect.io.slaves.take(nMemChannels)
 
   // Create a SerDes for backup memory port
-  if(params(UseBackupMemoryPort)) {
+  if(p(UseBackupMemoryPort)) {
     VLSIUtils.doOuterMemorySystemSerdes(
       mem_channels, io.mem, io.mem_backup, io.mem_backup_en,
-      nMemChannels, params(HTIFWidth), params(CacheBlockOffsetBits))
+      nMemChannels, htifW, p(CacheBlockOffsetBits))
   } else { io.mem <> mem_channels }
 }

src/main/scala/Vlsi.scala

@@ -7,24 +7,26 @@ import junctions._
 import uncore._
 
 class MemDessert extends Module {
-  val io = new MemDesserIO(params(HTIFWidth))
+  implicit val p = params
-  val x = Module(new MemDesser(params(HTIFWidth)))
+  val io = new MemDesserIO(p(HtifKey).width)
+  val x = Module(new MemDesser(p(HtifKey).width))
   io.narrow <> x.io.narrow
   io.wide <> x.io.wide
 }
 
 object VLSIUtils {
   def doOuterMemorySystemSerdes(
-      llcs: Seq[NASTIIO],
+      llcs: Seq[NastiIO],
-      mems: Seq[NASTIIO],
+      mems: Seq[NastiIO],
       backup: MemSerializedIO,
       en: Bool,
       nMemChannels: Int,
       htifWidth: Int,
-      blockOffsetBits: Int) {
+      blockOffsetBits: Int)
+      (implicit p: Parameters) {
 
-    val arb = Module(new NASTIArbiter(nMemChannels))
+    val arb = Module(new NastiArbiter(nMemChannels))
-    val conv = Module(new MemIONASTIIOConverter(blockOffsetBits))
+    val conv = Module(new MemIONastiIOConverter(blockOffsetBits))
     val mem_serdes = Module(new MemSerdes(htifWidth))
 
     conv.io.nasti <> arb.io.slave

src/main/scala/ZscaleChip.scala

@@ -9,22 +9,22 @@ import rocket._
 import zscale._
 
 case object UseZscale extends Field[Boolean]
-case object BuildZscale extends Field[(Bool) => Zscale]
+case object BuildZscale extends Field[(Bool, Parameters) => Zscale]
 case object BootROMCapacity extends Field[Int]
 case object DRAMCapacity extends Field[Int]
 
-class ZscaleSystem extends Module {
+class ZscaleSystem(implicit p: Parameters)  extends Module {
   val io = new Bundle {
-    val host = new HTIFIO
+    val host = new HtifIO
-    val jtag = new HASTIMasterIO().flip
+    val jtag = new HastiMasterIO().flip
-    val bootmem = new HASTISlaveIO().flip
+    val bootmem = new HastiSlaveIO().flip
-    val dram = new HASTISlaveIO().flip
+    val dram = new HastiSlaveIO().flip
-    val spi = new HASTISlaveIO().flip
+    val spi = new HastiSlaveIO().flip
-    val led = new POCIIO
+    val led = new PociIO
-    val corereset = new POCIIO
+    val corereset = new PociIO
   }
 
-  val core = params(BuildZscale)(io.host.reset)
+  val core = p(BuildZscale)(io.host.reset, p)
 
   val bootmem_afn = (addr: UInt) => addr(31, 14) === UInt(0)
 
@@ -36,11 +36,11 @@ class ZscaleSystem extends Module {
   val led_afn = (addr: UInt) => addr(31) === UInt(1) && addr(30, 10) === UInt(0)
   val corereset_afn = (addr: UInt) => addr(31) === UInt(1) && addr(30, 10) === UInt(1)
 
-  val xbar = Module(new HASTIXbar(3, Seq(bootmem_afn, sbus_afn)))
+  val xbar = Module(new HastiXbar(3, Seq(bootmem_afn, sbus_afn)))
-  val sadapter = Module(new HASTISlaveToMaster)
+  val sadapter = Module(new HastiSlaveToMaster)
-  val sbus = Module(new HASTIBus(Seq(dram_afn, spi_afn, pbus_afn)))
+  val sbus = Module(new HastiBus(Seq(dram_afn, spi_afn, pbus_afn)))
-  val padapter = Module(new HASTItoPOCIBridge)
+  val padapter = Module(new HastiToPociBridge)
-  val pbus = Module(new POCIBus(Seq(led_afn, corereset_afn)))
+  val pbus = Module(new PociBus(Seq(led_afn, corereset_afn)))
 
   core.io.host <> io.host
   xbar.io.masters(0) <> io.jtag
@@ -60,14 +60,14 @@ class ZscaleSystem extends Module {
   io.corereset <> pbus.io.slaves(1)
 }
 
-class ZscaleTop extends Module {
+class ZscaleTop(implicit p: Parameters) extends Module {
   val io = new Bundle {
-    val host = new HTIFIO
+    val host = new HtifIO
   }
 
   val sys = Module(new ZscaleSystem)
-  val bootmem = Module(new HASTISRAM(params(BootROMCapacity)/4))
+  val bootmem = Module(new HastiSRAM(p(BootROMCapacity)/4))
-  val dram = Module(new HASTISRAM(params(DRAMCapacity)/4))
+  val dram = Module(new HastiSRAM(p(DRAMCapacity)/4))
 
   sys.io.host <> io.host
   bootmem.io <> sys.io.bootmem

uncore

@@ -1 +1 @@
-Subproject commit 52e1e91c281a03cd7b2399a0a811ad124749c1c8
+Subproject commit b0eece1f613d4aafa3f9cf5470576ffb5110e856

zscale

@@ -1 +1 @@
-Subproject commit 461e7ee16bb15144e14c42855bf2ee23abd51806
+Subproject commit 3338af40491ccfe4b403761d755372c201003e39