first steps in uncore constant/tilelink data refactor
This commit is contained in:
Henry Cook
@@ -5,11 +5,11 @@ import uncore._
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import rocket._
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import rocket.Util._
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import ReferenceChipBackend._
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import scala.collection.mutable.ArrayBuffer
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import scala.collection.mutable.HashMap
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import DRAMModel._
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object DummyTopLevelConstants {
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val NTILES = 1
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val NTILES = 2
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val NBANKS = 1
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val HTIF_WIDTH = 16
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val ENABLE_SHARING = true
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@@ -18,6 +18,10 @@ object DummyTopLevelConstants {
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val NL2_REL_XACTS = 1
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val NL2_ACQ_XACTS = 7
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val NMSHRS = 2
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val MEM_TAG_BITS = 5
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val MEM_DATA_BITS = 128
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val MEM_ADDR_BITS = PADDR_BITS - OFFSET_BITS
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val MEM_DATA_BEATS = 4
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}
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import DummyTopLevelConstants._
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@@ -83,22 +87,25 @@ class ReferenceChipBackend extends VerilogBackend
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transforms += ((c: Module) => collectNodesIntoComp(initializeDFS))
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}
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class Fame1ReferenceChipBackend extends ReferenceChipBackend with Fame1Transform
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class OuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln, l2) = (conf.tl, conf.tl.ln, conf.l2)
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implicit val (tl, ln, l2, mif) = (conf.tl, conf.tl.ln, conf.l2, conf.mif)
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val io = new Bundle {
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val tiles = Vec.fill(conf.nTiles){new TileLinkIO}.flip
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val htif = (new TileLinkIO).flip
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val incoherent = Vec.fill(ln.nClients){Bool()}.asInput
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val mem = new ioMem
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val mem_backup = new ioMemSerialized(htif_width)
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val mem = new MemIO
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val mem_backup = new MemSerializedIO(htif_width)
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val mem_backup_en = Bool(INPUT)
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}
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val refill_cycles = tl.dataBits/mif.dataBits
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val llc_tag_leaf = Mem(Bits(width = 152), 512, seqRead = true)
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val llc_data_leaf = Mem(Bits(width = 64), 4096, seqRead = true)
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val llc = Module(new DRAMSideLLC(sets=512, ways=8, outstanding=16, tagLeaf=llc_tag_leaf, dataLeaf=llc_data_leaf))
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//val llc = Module(new DRAMSideLLCNull(NL2_REL_XACTS+NL2_ACQ_XACTS, REFILL_CYCLES))
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val llc = Module(new DRAMSideLLC(sets=512, ways=8, outstanding=16, refill_cycles=refill_cycles, tagLeaf=llc_tag_leaf, dataLeaf=llc_data_leaf))
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//val llc = Module(new DRAMSideLLCNull(NL2_REL_XACTS+NL2_ACQ_XACTS, refill_cycles))
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val mem_serdes = Module(new MemSerdes(htif_width))
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val masterEndpoints = (0 until ln.nMasters).map(i => Module(new L2CoherenceAgent(i)))
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@@ -116,7 +123,7 @@ class OuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) ext
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conv.io.uncached <> masterEndpoints.head.io.master
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}
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llc.io.cpu.req_cmd <> Queue(conv.io.mem.req_cmd)
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llc.io.cpu.req_data <> Queue(conv.io.mem.req_data, REFILL_CYCLES)
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llc.io.cpu.req_data <> Queue(conv.io.mem.req_data, refill_cycles)
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conv.io.mem.resp <> llc.io.cpu.resp
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// mux between main and backup memory ports
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@@ -128,7 +135,7 @@ class OuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) ext
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mem_serdes.io.wide.req_cmd.valid := mem_cmdq.io.deq.valid && io.mem_backup_en
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mem_serdes.io.wide.req_cmd.bits := mem_cmdq.io.deq.bits
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val mem_dataq = Module(new Queue(new MemData, REFILL_CYCLES))
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val mem_dataq = Module(new Queue(new MemData, refill_cycles))
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mem_dataq.io.enq <> llc.io.mem.req_data
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mem_dataq.io.deq.ready := Mux(io.mem_backup_en, mem_serdes.io.wide.req_data.ready, io.mem.req_data.ready)
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io.mem.req_data.valid := mem_dataq.io.deq.valid && !io.mem_backup_en
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@@ -143,18 +150,18 @@ class OuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) ext
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io.mem_backup <> mem_serdes.io.narrow
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}
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case class UncoreConfiguration(l2: L2CoherenceAgentConfiguration, tl: TileLinkConfiguration, nTiles: Int, nBanks: Int, bankIdLsb: Int, nSCR: Int)
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case class UncoreConfiguration(l2: L2CoherenceAgentConfiguration, tl: TileLinkConfiguration, mif: MemoryIFConfiguration, nTiles: Int, nBanks: Int, bankIdLsb: Int, nSCR: Int)
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class Uncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val tl = conf.tl
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implicit val (tl, mif) = (conf.tl, conf.mif)
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val io = new Bundle {
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val host = new HostIO(htif_width)
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val mem = new ioMem
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val mem = new MemIO
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val tiles = Vec.fill(conf.nTiles){new TileLinkIO}.flip
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val htif = Vec.fill(conf.nTiles){new HTIFIO(conf.nTiles)}.flip
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val incoherent = Vec.fill(conf.nTiles){Bool()}.asInput
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val mem_backup = new ioMemSerialized(htif_width)
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val mem_backup = new MemSerializedIO(htif_width)
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val mem_backup_en = Bool(INPUT)
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}
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val htif = Module(new HTIF(htif_width, CSRs.reset, conf.nSCR))
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@@ -167,21 +174,15 @@ class Uncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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// Add networking headers and endpoint queues
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def convertAddrToBank(addr: Bits): UInt = {
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require(conf.bankIdLsb + log2Up(conf.nBanks) < MEM_ADDR_BITS, {println("Invalid bits for bank multiplexing.")})
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require(conf.bankIdLsb + log2Up(conf.nBanks) < conf.mif.addrBits, {println("Invalid bits for bank multiplexing.")})
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addr(conf.bankIdLsb + log2Up(conf.nBanks) - 1, conf.bankIdLsb)
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}
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(outmemsys.io.tiles :+ outmemsys.io.htif).zip(io.tiles :+ htif.io.mem).zipWithIndex.map {
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case ((outer, client), i) =>
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outer.acquire <> TileLinkHeaderAppender(client.acquire, i, conf.nBanks, convertAddrToBank _)
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outer.release <> TileLinkHeaderAppender(client.release, i, conf.nBanks, convertAddrToBank _)
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val grant_ack_q = Queue(client.grant_ack)
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outer.grant_ack.valid := grant_ack_q.valid
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outer.grant_ack.bits := grant_ack_q.bits
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outer.grant_ack.bits.header.src := UInt(i)
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grant_ack_q.ready := outer.grant_ack.ready
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outer.acquire <> Queue(TileLinkHeaderOverwriter(client.acquire, i, conf.nBanks, convertAddrToBank _))
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outer.release <> Queue(TileLinkHeaderOverwriter(client.release, i, conf.nBanks, convertAddrToBank _))
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outer.grant_ack <> Queue(TileLinkHeaderOverwriter(client.grant_ack, i))
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client.grant <> Queue(outer.grant, 1, pipe = true)
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client.probe <> Queue(outer.probe)
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}
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@@ -216,12 +217,12 @@ class Uncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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io.host.debug_stats_pcr := htif.io.host.debug_stats_pcr
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}
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class TopIO(htifWidth: Int) extends Bundle {
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class TopIO(htifWidth: Int)(implicit conf: MemoryIFConfiguration) extends Bundle {
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val host = new HostIO(htifWidth)
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val mem = new ioMem
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val mem = new MemIO
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}
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class VLSITopIO(htifWidth: Int) extends TopIO(htifWidth) {
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class VLSITopIO(htifWidth: Int)(implicit conf: MemoryIFConfiguration) extends TopIO(htifWidth)(conf) {
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val mem_backup_en = Bool(INPUT)
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val in_mem_ready = Bool(OUTPUT)
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val in_mem_valid = Bool(INPUT)
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@@ -231,14 +232,16 @@ class VLSITopIO(htifWidth: Int) extends TopIO(htifWidth) {
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class MemDessert extends Module {
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implicit val mif = MemoryIFConfiguration(MEM_ADDR_BITS, MEM_DATA_BITS, MEM_TAG_BITS, MEM_DATA_BEATS)
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val io = new MemDesserIO(HTIF_WIDTH)
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val x = Module(new MemDesser(HTIF_WIDTH))
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io.narrow <> x.io.narrow
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io.wide <> x.io.wide
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}
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class Top extends Module {
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val co = if(ENABLE_SHARING) {
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val co = if(ENABLE_SHARING) {
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if(ENABLE_CLEAN_EXCLUSIVE) new MESICoherence
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else new MSICoherence
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} else {
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@@ -247,14 +250,15 @@ class Top extends Module {
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}
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implicit val ln = LogicalNetworkConfiguration(log2Up(NTILES)+1, NBANKS, NTILES+1)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(NL2_REL_XACTS+NL2_ACQ_XACTS), 2*log2Up(NMSHRS*NTILES+1), MEM_DATA_BITS)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(NL2_REL_XACTS+NL2_ACQ_XACTS), 2*log2Up(NMSHRS*NTILES+1), CACHE_DATA_SIZE_IN_BYTES*8)
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implicit val l2 = L2CoherenceAgentConfiguration(tl, NL2_REL_XACTS, NL2_ACQ_XACTS)
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implicit val uc = UncoreConfiguration(l2, tl, NTILES, NBANKS, bankIdLsb = 5, nSCR = 64)
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implicit val mif = MemoryIFConfiguration(MEM_ADDR_BITS, MEM_DATA_BITS, MEM_TAG_BITS, MEM_DATA_BEATS)
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implicit val uc = UncoreConfiguration(l2, tl, mif, NTILES, NBANKS, bankIdLsb = 5, nSCR = 64)
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val ic = ICacheConfig(128, 2, ntlb = 8, nbtb = 38)
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val ic = ICacheConfig(128, 2, ntlb = 8, nbtb = 38, tl = tl)
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val dc = DCacheConfig(128, 4, ntlb = 8,
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nmshr = NMSHRS, nrpq = 16, nsdq = 17, states = co.nClientStates)
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val vic = ICacheConfig(128, 1)
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nmshr = NMSHRS, nrpq = 16, nsdq = 17, tl = tl)
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val vic = ICacheConfig(128, 1, tl = tl)
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val hc = hwacha.HwachaConfiguration(vic, dc, 8, 256, ndtlb = 8, nptlb = 2)
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val fpu = if (HAS_FPU) Some(FPUConfig(sfmaLatency = 2, dfmaLatency = 3)) else None
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val rc = RocketConfiguration(tl, ic, dc, fpu
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@@ -295,3 +299,5 @@ class Top extends Module {
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io.mem_backup_en <> uncore.io.mem_backup_en
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io.mem <> uncore.io.mem
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}
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@@ -4,15 +4,17 @@ import Chisel._
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import Node._
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import uncore._
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import rocket._
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import DRAMModel._
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import DRAMModel.MemModelConstants._
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class FPGAOuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln, l2) = (conf.tl, conf.tl.ln, conf.l2)
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implicit val (tl, ln, l2, mif) = (conf.tl, conf.tl.ln, conf.l2, conf.mif)
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val io = new Bundle {
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val tiles = Vec.fill(conf.nTiles){new TileLinkIO}.flip
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val htif = (new TileLinkIO).flip
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val incoherent = Vec.fill(ln.nClients){Bool()}.asInput
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val mem = new ioMem
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val mem = new MemIO
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}
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val masterEndpoints = (0 until ln.nMasters).map(i => Module(new L2CoherenceAgent(i)))
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@@ -31,16 +33,16 @@ class FPGAOuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration)
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conv.io.uncached <> masterEndpoints.head.io.master
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}
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io.mem.req_cmd <> Queue(conv.io.mem.req_cmd)
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io.mem.req_data <> Queue(conv.io.mem.req_data, REFILL_CYCLES)
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io.mem.req_data <> Queue(conv.io.mem.req_data, tl.dataBits/mif.dataBits)
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conv.io.mem.resp <> Queue(io.mem.resp)
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}
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class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln) = (conf.tl, conf.tl.ln)
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implicit val (tl, ln, mif) = (conf.tl, conf.tl.ln, conf.mif)
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val io = new Bundle {
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val host = new HostIO(htif_width)
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val mem = new ioMem
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val mem = new MemIO
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val tiles = Vec.fill(conf.nTiles){new TileLinkIO}.flip
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val htif = Vec.fill(conf.nTiles){new HTIFIO(conf.nTiles)}.flip
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val incoherent = Vec.fill(conf.nTiles){Bool()}.asInput
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@@ -54,21 +56,15 @@ class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Mo
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// Add networking headers and endpoint queues
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def convertAddrToBank(addr: Bits): UInt = {
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require(conf.bankIdLsb + log2Up(conf.nBanks) < MEM_ADDR_BITS, {println("Invalid bits for bank multiplexing.")})
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require(conf.bankIdLsb + log2Up(conf.nBanks) < conf.mif.addrBits, {println("Invalid bits for bank multiplexing.")})
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addr(conf.bankIdLsb + log2Up(conf.nBanks) - 1, conf.bankIdLsb)
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}
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(outmemsys.io.tiles :+ outmemsys.io.htif).zip(io.tiles :+ htif.io.mem).zipWithIndex.map {
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case ((outer, client), i) =>
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outer.acquire <> TileLinkHeaderAppender(client.acquire, i, conf.nBanks, convertAddrToBank _)
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outer.release <> TileLinkHeaderAppender(client.release, i, conf.nBanks, convertAddrToBank _)
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val grant_ack_q = Queue(client.grant_ack)
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outer.grant_ack.valid := grant_ack_q.valid
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outer.grant_ack.bits := grant_ack_q.bits
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outer.grant_ack.bits.header.src := UInt(i)
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grant_ack_q.ready := outer.grant_ack.ready
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outer.acquire <> Queue(TileLinkHeaderOverwriter(client.acquire, i, conf.nBanks, convertAddrToBank _))
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outer.release <> Queue(TileLinkHeaderOverwriter(client.release, i, conf.nBanks, convertAddrToBank _))
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outer.grant_ack <> Queue(TileLinkHeaderOverwriter(client.release, i))
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client.grant <> Queue(outer.grant, 1, pipe = true)
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client.probe <> Queue(outer.probe)
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}
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@@ -77,26 +73,32 @@ class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Mo
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htif.io.host.in <> io.host.in
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}
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class FPGATopIO(htifWidth: Int) extends TopIO(htifWidth)
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class FPGATop extends Module {
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val htif_width = 16
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class ReferenceChip(htif_width: Int)(implicit mif: MemoryIFConfiguration) extends Module {
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val io = new Bundle {
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val host_in = new DecoupledIO(new HostPacket(htif_width)).flip()
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val host_out = new DecoupledIO(new HostPacket(htif_width))
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val host_clk = Bool(OUTPUT)
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val host_clk_edge = Bool(OUTPUT)
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val host_debug_stats_pcr = Bool(OUTPUT)
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val mem_req_cmd = new DecoupledIO(new MemReqCmd())
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val mem_req_data = new DecoupledIO(new MemData())
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val mem_resp = (new DecoupledIO(new MemResp())).flip()
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}
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val co = new MESICoherence
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val ntiles = 1
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val nbanks = 1
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val nmshrs = 2
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implicit val ln = LogicalNetworkConfiguration(log2Up(ntiles)+1, nbanks, ntiles+1)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(1+8), 2*log2Up(nmshrs*ntiles+1), MEM_DATA_BITS)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(1+8), 2*log2Up(nmshrs*ntiles+1), CACHE_DATA_SIZE_IN_BYTES*8)
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implicit val l2 = L2CoherenceAgentConfiguration(tl, 1, 8)
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implicit val uc = UncoreConfiguration(l2, tl, ntiles, nbanks, bankIdLsb = 5, nSCR = 64)
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implicit val uc = UncoreConfiguration(l2, tl, mif, ntiles, nbanks, bankIdLsb = 5, nSCR = 64)
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val ic = ICacheConfig(64, 1, ntlb = 4, nbtb = 4)
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val dc = DCacheConfig(64, 1, ntlb = 4, nmshr = 2, nrpq = 16, nsdq = 17, states = co.nClientStates)
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val ic = ICacheConfig(64, 1, ntlb = 4, nbtb = 4, tl = tl)
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val dc = DCacheConfig(64, 1, ntlb = 4, nmshr = 2, nrpq = 16, nsdq = 17, tl = tl)
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val rc = RocketConfiguration(tl, ic, dc, fpu = None,
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fastMulDiv = false)
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val io = new FPGATopIO(htif_width)
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val resetSigs = Vec.fill(uc.nTiles){Bool()}
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val tileList = (0 until uc.nTiles).map(r => Module(new Tile(resetSignal = resetSigs(r))(rc)))
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val uncore = Module(new FPGAUncore(htif_width))
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@@ -118,9 +120,93 @@ class FPGATop extends Module {
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hl.ipi_req <> Queue(tile.io.host.ipi_req)
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tile.io.host.ipi_rep <> Queue(hl.ipi_rep)
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}
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io.host_in.ready := uncore.io.host.in.ready
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uncore.io.host.in.bits := io.host_in.bits.data
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uncore.io.host.in.valid := io.host_in.valid
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uncore.io.host.out.ready := io.host_out.ready
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io.host_out.bits.data := uncore.io.host.out.bits
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io.host_out.valid := uncore.io.host.out.valid
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io.host_clk := uncore.io.host.clk
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io.host_clk_edge := uncore.io.host.clk_edge
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io.host_debug_stats_pcr := uncore.io.host.debug_stats_pcr
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io.host <> uncore.io.host
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io.mem <> uncore.io.mem
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io.mem_req_cmd <> uncore.io.mem.req_cmd
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io.mem_req_data <> uncore.io.mem.req_data
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io.mem_resp <> uncore.io.mem.resp
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}
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class FPGATopIO(htifWidth: Int)(implicit conf: MemoryIFConfiguration) extends TopIO(htifWidth)(conf)
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class FPGATop extends Module {
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val htif_width = 16
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implicit val mif = MemoryIFConfiguration(PADDR_BITS - OFFSET_BITS, 128, 5, 4)
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val deviceWidth = ROW_WIDTH/mif.dataBits
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implicit val mc = MemoryControllerConfiguration(deviceWidth, (if(deviceWidth == 4) 0 else log2Up(deviceWidth/4)), mif)
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val io = new FPGATopIO(htif_width)
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val referenceChip = Module(new Fame1Wrapper(new ReferenceChip(htif_width)))
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val dramModel = Module(new DRAMSystemWrapper())
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//dram model parameters setup
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dramModel.io.params.tRAS := UInt(4)
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dramModel.io.params.tRCD := UInt(4)
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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")
|
||||
io.host.clk_edge := referenceChip.DebugIOs("host_clk_edge")
|
||||
io.host.debug_stats_pcr := referenceChip.DebugIOs("host_debug_stats_pcr")
|
||||
|
||||
//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 {
|
||||
@@ -174,7 +260,7 @@ class Slave extends AXISlave
|
||||
|
||||
// write cr1 -> mem.resp (nonblocking)
|
||||
val in_count = Reg(init=UInt(0, log2Up(memw/dw)))
|
||||
val rf_count = Reg(init=UInt(0, log2Up(REFILL_CYCLES)))
|
||||
val rf_count = Reg(init=UInt(0, log2Up(CACHE_DATA_SIZE_IN_BYTES*8/memw)))
|
||||
require(memw % dw == 0 && isPow2(memw/dw))
|
||||
val in_reg = Reg(top.io.mem.resp.bits.data)
|
||||
top.io.mem.resp.bits.data := Cat(io.in.bits, in_reg(in_reg.getWidth-1,dw))
|
||||
|
||||
@@ -5,115 +5,42 @@ import uncore._
|
||||
import scala.reflect._
|
||||
import scala.reflect.runtime.universe._
|
||||
|
||||
object TileLinkHeaderAppender {
|
||||
def apply[T <: ClientSourcedMessage with HasPhysicalAddress, U <: ClientSourcedMessage with HasTileLinkData](in: PairedDataIO[LogicalNetworkIO[T],LogicalNetworkIO[U]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
|
||||
val shim = Module(new TileLinkHeaderAppender(in.meta.bits.payload, in.data.bits.payload, clientId, nBanks, addrConvert))
|
||||
shim.io.in <> in
|
||||
shim.io.out
|
||||
object TileLinkHeaderOverwriter {
|
||||
def apply[T <: ClientSourcedMessage](in: DecoupledIO[LogicalNetworkIO[T]], clientId: Int)(implicit conf: TileLinkConfiguration): DecoupledIO[LogicalNetworkIO[T]] = {
|
||||
val out = in.clone.asDirectionless
|
||||
out.bits.payload := in.bits.payload
|
||||
out.bits.header.src := UInt(clientId)
|
||||
out.bits.header.dst := in.bits.header.dst
|
||||
out.valid := in.valid
|
||||
in.ready := out.ready
|
||||
out
|
||||
}
|
||||
def apply[T <: ClientSourcedMessage with HasPhysicalAddress](in: DecoupledIO[LogicalNetworkIO[T]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
|
||||
val shim = Module(new TileLinkHeaderAppender(in.bits.payload.clone, new AcquireData, clientId, nBanks, addrConvert))
|
||||
shim.io.in.meta <> in
|
||||
shim.io.out.meta
|
||||
def apply[T <: ClientSourcedMessage with HasPhysicalAddress](in: DecoupledIO[LogicalNetworkIO[T]], clientId: Int, nBanks: Int, addrConvert: UInt => UInt)(implicit conf: TileLinkConfiguration): DecoupledIO[LogicalNetworkIO[T]] = {
|
||||
val out: DecoupledIO[LogicalNetworkIO[T]] = apply(in, clientId)
|
||||
out.bits.header.dst := (if(nBanks > 1) addrConvert(in.bits.payload.addr) else UInt(0))
|
||||
out
|
||||
}
|
||||
}
|
||||
|
||||
class TileLinkHeaderAppender[T <: ClientSourcedMessage with HasPhysicalAddress, U <: ClientSourcedMessage with HasTileLinkData](mType: T, dType: U, clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) extends Module {
|
||||
implicit val ln = conf.ln
|
||||
val io = new Bundle {
|
||||
val in = new PairedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType)).flip
|
||||
val out = new PairedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType))
|
||||
}
|
||||
|
||||
val meta_q = Queue(io.in.meta)
|
||||
val data_q = Queue(io.in.data)
|
||||
if(nBanks == 1) {
|
||||
io.out.meta.bits.payload := meta_q.bits.payload
|
||||
io.out.meta.bits.header.src := UInt(clientId)
|
||||
io.out.meta.bits.header.dst := UInt(0)
|
||||
io.out.meta.valid := meta_q.valid
|
||||
meta_q.ready := io.out.meta.ready
|
||||
io.out.data.bits.payload := data_q.bits.payload
|
||||
io.out.data.bits.header.src := UInt(clientId)
|
||||
io.out.data.bits.header.dst := UInt(0)
|
||||
io.out.data.valid := data_q.valid
|
||||
data_q.ready := io.out.data.ready
|
||||
} else {
|
||||
val meta_has_data = conf.co.messageHasData(meta_q.bits.payload)
|
||||
val addr_q = Module(new Queue(io.in.meta.bits.payload.addr.clone, 2, pipe = true, flow = true))
|
||||
val data_cnt = Reg(init=UInt(0, width = log2Up(REFILL_CYCLES)))
|
||||
val data_cnt_up = data_cnt + UInt(1)
|
||||
|
||||
io.out.meta.bits.payload := meta_q.bits.payload
|
||||
io.out.meta.bits.header.src := UInt(clientId)
|
||||
io.out.meta.bits.header.dst := addrConvert(meta_q.bits.payload.addr)
|
||||
io.out.data.bits.payload := meta_q.bits.payload
|
||||
io.out.data.bits.header.src := UInt(clientId)
|
||||
io.out.data.bits.header.dst := addrConvert(addr_q.io.deq.bits)
|
||||
addr_q.io.enq.bits := meta_q.bits.payload.addr
|
||||
|
||||
io.out.meta.valid := meta_q.valid && addr_q.io.enq.ready
|
||||
meta_q.ready := io.out.meta.ready && addr_q.io.enq.ready
|
||||
io.out.data.valid := data_q.valid && addr_q.io.deq.valid
|
||||
data_q.ready := io.out.data.ready && addr_q.io.deq.valid
|
||||
addr_q.io.enq.valid := meta_q.valid && io.out.meta.ready && meta_has_data
|
||||
addr_q.io.deq.ready := Bool(false)
|
||||
|
||||
when(data_q.valid && data_q.ready) {
|
||||
data_cnt := data_cnt_up
|
||||
when(data_cnt_up === UInt(0)) {
|
||||
addr_q.io.deq.ready := Bool(true)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//Adapter betweewn an UncachedTileLinkIO and a mem controller MemIO
|
||||
class MemIOUncachedTileLinkIOConverter(qDepth: Int)(implicit conf: TileLinkConfiguration) extends Module {
|
||||
val io = new Bundle {
|
||||
val uncached = new UncachedTileLinkIO().flip
|
||||
val mem = new ioMem
|
||||
}
|
||||
val mem_cmd_q = Module(new Queue(new MemReqCmd, qDepth))
|
||||
val mem_data_q = Module(new Queue(new MemData, qDepth))
|
||||
mem_cmd_q.io.enq.valid := io.uncached.acquire.meta.valid
|
||||
io.uncached.acquire.meta.ready := mem_cmd_q.io.enq.ready
|
||||
mem_cmd_q.io.enq.bits.rw := conf.co.needsOuterWrite(io.uncached.acquire.meta.bits.payload.a_type, UInt(0))
|
||||
mem_cmd_q.io.enq.bits.tag := io.uncached.acquire.meta.bits.payload.client_xact_id
|
||||
mem_cmd_q.io.enq.bits.addr := io.uncached.acquire.meta.bits.payload.addr
|
||||
mem_data_q.io.enq.valid := io.uncached.acquire.data.valid
|
||||
io.uncached.acquire.data.ready := mem_data_q.io.enq.ready
|
||||
mem_data_q.io.enq.bits.data := io.uncached.acquire.data.bits.payload.data
|
||||
io.uncached.grant.valid := io.mem.resp.valid
|
||||
io.mem.resp.ready := io.uncached.grant.ready
|
||||
io.uncached.grant.bits.payload.data := io.mem.resp.bits.data
|
||||
io.uncached.grant.bits.payload.client_xact_id := io.mem.resp.bits.tag
|
||||
io.uncached.grant.bits.payload.master_xact_id := UInt(0) // DNC
|
||||
io.uncached.grant.bits.payload.g_type := UInt(0) // DNC
|
||||
io.mem.req_cmd <> mem_cmd_q.io.deq
|
||||
io.mem.req_data <> mem_data_q.io.deq
|
||||
}
|
||||
|
||||
class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends LogicalNetwork[TileLinkIO]()(conf.tl.ln) {
|
||||
implicit val (tl, ln, co) = (conf.tl, conf.tl.ln, conf.tl.co)
|
||||
val io = new Bundle {
|
||||
val clients = Vec.fill(ln.nClients){(new TileLinkIO).flip}
|
||||
val masters = Vec.fill(ln.nMasters){new TileLinkIO}
|
||||
}
|
||||
|
||||
implicit val pconf = new PhysicalNetworkConfiguration(ln.nEndpoints, ln.idBits) // Same config for all networks
|
||||
|
||||
// Actually instantiate the particular networks required for TileLink
|
||||
val acqNet = Module(new PairedCrossbar(new Acquire, new AcquireData, REFILL_CYCLES, (acq: PhysicalNetworkIO[Acquire]) => co.messageHasData(acq.payload)))
|
||||
val relNet = Module(new PairedCrossbar(new Release, new ReleaseData, REFILL_CYCLES, (rel: PhysicalNetworkIO[Release]) => co.messageHasData(rel.payload)))
|
||||
val probeNet = Module(new BasicCrossbar(new Probe))
|
||||
val grantNet = Module(new BasicCrossbar(new Grant))
|
||||
val acqNet = Module(new BasicCrossbar(new Acquire))
|
||||
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))
|
||||
|
||||
// Aliases for the various network IO bundle types
|
||||
type FBCIO[T <: Data] = DecoupledIO[PhysicalNetworkIO[T]]
|
||||
type FLNIO[T <: Data] = DecoupledIO[LogicalNetworkIO[T]]
|
||||
type PBCIO[M <: Data, D <: Data] = PairedDataIO[PhysicalNetworkIO[M], PhysicalNetworkIO[D]]
|
||||
type PLNIO[M <: Data, D <: Data] = PairedDataIO[LogicalNetworkIO[M], LogicalNetworkIO[D]]
|
||||
type FromCrossbar[T <: Data] = FBCIO[T] => FLNIO[T]
|
||||
type ToCrossbar[T <: Data] = FLNIO[T] => FBCIO[T]
|
||||
|
||||
@@ -176,10 +103,10 @@ class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends L
|
||||
|
||||
def doFIFOHookup[T <: Data](isEndpointSourceOfMessage: Boolean, physIn: FBCIO[T], physOut: FBCIO[T], logIO: FLNIO[T], inShim: ToCrossbar[T], outShim: FromCrossbar[T]) = {
|
||||
if(isEndpointSourceOfMessage) doFIFOInputHookup(physIn, physOut, logIO, inShim)
|
||||
else doFIFOOutputHookup(physIn, physOut, logIO, outShim)
|
||||
else doFIFOOutputHookup(physIn, physOut, logIO, outShim)
|
||||
}
|
||||
|
||||
//Hookup all instances of a particular subbundle of
|
||||
//Hookup all instances of a particular subbundle of TileLink
|
||||
def doFIFOHookups[T <: Data: TypeTag](physIO: BasicCrossbarIO[T], getLogIO: TileLinkIO => FLNIO[T]) = {
|
||||
typeTag[T].tpe match{
|
||||
case t if t <:< typeTag[ClientSourcedMessage].tpe => {
|
||||
@@ -194,33 +121,9 @@ class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends L
|
||||
}
|
||||
}
|
||||
|
||||
def doPairedDataHookup[T <: Data, R <: Data](isEndpointSourceOfMessage: Boolean, physIn: PBCIO[T,R], physOut: PBCIO[T,R], logIO: PLNIO[T,R], inShim: ToCrossbar[T], outShim: FromCrossbar[T], inShimD: ToCrossbar[R], outShimD: FromCrossbar[R]) = {
|
||||
if(isEndpointSourceOfMessage) {
|
||||
doFIFOInputHookup[T](physIn.meta, physOut.meta, logIO.meta, inShim)
|
||||
doFIFOInputHookup[R](physIn.data, physOut.data, logIO.data, inShimD)
|
||||
} else {
|
||||
doFIFOOutputHookup[T](physIn.meta, physOut.meta, logIO.meta, outShim)
|
||||
doFIFOOutputHookup[R](physIn.data, physOut.data, logIO.data, outShimD)
|
||||
}
|
||||
}
|
||||
|
||||
def doPairedDataHookups[T <: Data: TypeTag, R <: Data](physIO: PairedCrossbarIO[T,R], getLogIO: TileLinkIO => PLNIO[T,R]) = {
|
||||
typeTag[T].tpe match{
|
||||
case t if t <:< typeTag[ClientSourcedMessage].tpe => {
|
||||
io.masters.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](false, physIO.in(id), physIO.out(id), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim, ClientToCrossbarShim, CrossbarToMasterShim) }
|
||||
io.clients.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](true, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim, ClientToCrossbarShim, CrossbarToMasterShim) }
|
||||
}
|
||||
case t if t <:< typeTag[MasterSourcedMessage].tpe => {
|
||||
io.masters.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](true, physIO.in(id), physIO.out(id), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim, MasterToCrossbarShim, CrossbarToClientShim) }
|
||||
io.clients.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](false, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim, MasterToCrossbarShim, CrossbarToClientShim) }
|
||||
}
|
||||
case _ => require(false, "Unknown message sourcing.")
|
||||
}
|
||||
}
|
||||
|
||||
doPairedDataHookups(acqNet.io, (tl: TileLinkIO) => tl.acquire)
|
||||
doPairedDataHookups(relNet.io, (tl: TileLinkIO) => tl.release)
|
||||
doFIFOHookups(probeNet.io, (tl: TileLinkIO) => tl.probe)
|
||||
doFIFOHookups(grantNet.io, (tl: TileLinkIO) => tl.grant)
|
||||
doFIFOHookups(acqNet.io, (tl: TileLinkIO) => tl.acquire)
|
||||
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)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user