TileLinkIO.GrantAck -> TileLinkIO.Finish

src/main/scala/RocketChip.scala

@@ -200,7 +200,7 @@ class Uncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
     case ((outer, client), i) => 
       outer.acquire <> Queue(TileLinkHeaderOverwriter(client.acquire, i, conf.nBanks, convertAddrToBank _))
       outer.release <> Queue(TileLinkHeaderOverwriter(client.release, i, conf.nBanks, convertAddrToBank _))
-      outer.grant_ack <> Queue(TileLinkHeaderOverwriter(client.grant_ack, i))
+      outer.finish <> Queue(TileLinkHeaderOverwriter(client.finish, i))
       client.grant <> Queue(outer.grant, 1, pipe = true)
       client.probe <> Queue(outer.probe)
   }

src/main/scala/fpga.scala

@@ -64,7 +64,7 @@ class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Mo
     case ((outer, client), i) => 
       outer.acquire <> Queue(TileLinkHeaderOverwriter(client.acquire, i, conf.nBanks, convertAddrToBank _))
       outer.release <> Queue(TileLinkHeaderOverwriter(client.release, i, conf.nBanks, convertAddrToBank _))
-      outer.grant_ack <> Queue(TileLinkHeaderOverwriter(client.grant_ack, i))
+      outer.finish <> Queue(TileLinkHeaderOverwriter(client.finish, i))
       client.grant <> Queue(outer.grant, 1, pipe = true)
       client.probe <> Queue(outer.probe)
   }
@@ -76,18 +76,17 @@ class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Mo
 import MemoryConstants._
 import TileLinkSizeConstants._
 
-class ReferenceChip(htif_width: Int)(implicit mif: MemoryIFConfiguration) extends Module {
+import MemoryConstants._
-  val io = new Bundle {
+
-    val host_in = new DecoupledIO(new HostPacket(htif_width)).flip()
+class FPGATopIO(htifWidth: Int)(implicit conf: MemoryIFConfiguration) extends TopIO(htifWidth)(conf)
-    val host_out = new DecoupledIO(new HostPacket(htif_width))
+
-    val host_clk = Bool(OUTPUT)
+class FPGATop extends Module {
-    val host_clk_edge = Bool(OUTPUT)
+  val htif_width = 16
-    val host_debug_stats_pcr = Bool(OUTPUT)
-    val mem_req_cmd = new DecoupledIO(new MemReqCmd())
-    val mem_req_data = new DecoupledIO(new MemData())
-    val mem_resp = (new DecoupledIO(new MemResp())).flip()
-  }
   
+  implicit val mif = MemoryIFConfiguration(MEM_ADDR_BITS, MEM_DATA_BITS, MEM_TAG_BITS, 4)
+
+  val io = new FPGATopIO(htif_width)
+ 
   val co = new MESICoherence
   val ntiles = 1
   val nbanks = 1
@@ -131,94 +130,9 @@ class ReferenceChip(htif_width: Int)(implicit mif: MemoryIFConfiguration) extend
     hl.ipi_req <> Queue(tile.io.host.ipi_req)
     tile.io.host.ipi_rep <> Queue(hl.ipi_rep)
   }
-  
+ 
-  io.host_in.ready := uncore.io.host.in.ready
+  uncore.io.host <> io.host
-  uncore.io.host.in.bits := io.host_in.bits.data
+  uncore.io.mem <> io.mem
-  uncore.io.host.in.valid := io.host_in.valid
-  
-  uncore.io.host.out.ready := io.host_out.ready
-  io.host_out.bits.data := uncore.io.host.out.bits
-  io.host_out.valid := uncore.io.host.out.valid
-  
-  io.host_clk := uncore.io.host.clk
-  io.host_clk_edge := uncore.io.host.clk_edge
-  io.host_debug_stats_pcr := uncore.io.host.debug_stats_pcr
-
-  io.mem_req_cmd <> uncore.io.mem.req_cmd
-  io.mem_req_data <> uncore.io.mem.req_data
-  io.mem_resp <> uncore.io.mem.resp
-}
-
-import MemoryConstants._
-
-class FPGATopIO(htifWidth: Int)(implicit conf: MemoryIFConfiguration) extends TopIO(htifWidth)(conf)
-
-class FPGATop extends Module {
-  val htif_width = 16
-  
-  implicit val mif = MemoryIFConfiguration(MEM_ADDR_BITS, MEM_DATA_BITS, MEM_TAG_BITS, 4)
-  val deviceWidth = ROW_WIDTH/mif.dataBits
-  implicit val mc = MemoryControllerConfiguration(deviceWidth, (if(deviceWidth == 4) 0 else log2Up(deviceWidth/4)), mif)
-
-  val io = new FPGATopIO(htif_width)
-  
-  val referenceChip = Module(new Fame1Wrapper(new ReferenceChip(htif_width)))
-  val dramModel = Module(new DRAMSystemWrapper())
-  //dram model parameters setup
-  dramModel.io.params.tRAS := UInt(4)
-  dramModel.io.params.tRCD := UInt(4)
-  dramModel.io.params.tRP := UInt(4)
-  dramModel.io.params.tCCD := UInt(4)
-  dramModel.io.params.tRTP := UInt(4)
-  dramModel.io.params.tWTR := UInt(4)
-  dramModel.io.params.tWR := UInt(4)
-  dramModel.io.params.tRRD := UInt(4)
-  
-  //host to reference chip connections
-  referenceChip.DecoupledIOs("host_in").host_valid := Bool(true)
-  referenceChip.DecoupledIOs("host_in").target.bits := io.host.in.bits
-  referenceChip.DecoupledIOs("host_in").target.valid := io.host.in.valid
-  io.host.in.ready := referenceChip.DecoupledIOs("host_in").host_ready && referenceChip.DecoupledIOs("host_in").target.ready
-
-  io.host.out.valid := referenceChip.DecoupledIOs("host_out").host_valid && referenceChip.DecoupledIOs("host_out").target.valid
-  io.host.out.bits := referenceChip.DecoupledIOs("host_out").target.bits
-  referenceChip.DecoupledIOs("host_out").target.ready := io.host.out.ready
-  referenceChip.DecoupledIOs("host_out").host_ready := Bool(true)
-  
-  io.host.clk := referenceChip.DebugIOs("host_clk").toBits()(0)
-  io.host.clk_edge := referenceChip.DebugIOs("host_clk_edge").toBits()(0)
-  io.host.debug_stats_pcr := referenceChip.DebugIOs("host_debug_stats_pcr").toBits()(0)
-
-  //reference chip to dram model connections
-  val mem_req_cmd_queue = Module(new FameQueue(8)(new MemReqCmd()))
-  val mem_req_data_queue = Module(new FameQueue(8)(new MemData()))
-  val mem_resp_queue = Module(new FameQueue(8)(new MemResp()))
-  
-  //cmd queue
-  FameDecoupledIO.connect(referenceChip.DecoupledIOs("mem_req_cmd"),  mem_req_cmd_queue.io.enq, new MemReqCmd)
-  mem_req_cmd_queue.io.deq <> dramModel.io.memReqCmd
-  
-  //data queue
-  FameDecoupledIO.connect(referenceChip.DecoupledIOs("mem_req_data"), mem_req_data_queue.io.enq, new MemData)
-  mem_req_data_queue.io.deq <> dramModel.io.memReqData
-  
-  //resp queue
-  mem_resp_queue.io.enq <> dramModel.io.memResp
-  FameDecoupledIO.connect(referenceChip.DecoupledIOs("mem_resp"), mem_resp_queue.io.deq, new MemResp)
-  
-  //dram model to outside memory connections
-  val host_mem_cmd_queue = Module(new Queue(new MemReqCmd, 2))
-  val host_mem_data_queue = Module(new Queue(new MemData, mif.dataBeats))
-  val host_mem_resp_queue = Module(new Queue(new MemResp, mif.dataBeats))
-  
-  host_mem_cmd_queue.io.enq <> dramModel.io.mem.req_cmd
-  host_mem_cmd_queue.io.deq <> io.mem.req_cmd
-  
-  host_mem_data_queue.io.enq <> dramModel.io.mem.req_data
-  host_mem_data_queue.io.deq <> io.mem.req_data
-  
-  host_mem_resp_queue.io.enq <> io.mem.resp
-  host_mem_resp_queue.io.deq <> dramModel.io.mem.resp
 }
 
 abstract class AXISlave extends Module {

src/main/scala/network.scala

@@ -36,7 +36,7 @@ class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends L
   val relNet = Module(new BasicCrossbar(new Release))
   val prbNet = Module(new BasicCrossbar(new Probe))
   val gntNet = Module(new BasicCrossbar(new Grant))
-  val ackNet = Module(new BasicCrossbar(new GrantAck))
+  val ackNet = Module(new BasicCrossbar(new Finish))
 
   // Aliases for the various network IO bundle types
   type FBCIO[T <: Data] = DecoupledIO[PhysicalNetworkIO[T]]
@@ -125,5 +125,5 @@ class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends L
   doFIFOHookups(relNet.io, (tl: TileLinkIO) => tl.release)
   doFIFOHookups(prbNet.io, (tl: TileLinkIO) => tl.probe)
   doFIFOHookups(gntNet.io, (tl: TileLinkIO) => tl.grant)
-  doFIFOHookups(ackNet.io, (tl: TileLinkIO) => tl.grant_ack)
+  doFIFOHookups(ackNet.io, (tl: TileLinkIO) => tl.finish)
 }