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axi4: switch to new pipelined converters

This commit is contained in:
Wesley W. Terpstra 2017-04-26 13:10:50 -07:00
parent 6eddf517a3
commit a24fa9b444
3 changed files with 38 additions and 15 deletions

View File

@ -28,16 +28,21 @@ class XilinxVC707MIG(implicit p: Parameters) extends LazyModule with HasXilinxVC
regionType = RegionType.UNCACHED,
executable = true,
supportsWrite = TransferSizes(1, 256*8),
supportsRead = TransferSizes(1, 256*8),
interleavedId = Some(0))),
supportsRead = TransferSizes(1, 256*8))),
beatBytes = 8)))
val xing = LazyModule(new TLAsyncCrossing)
val toaxi4 = LazyModule(new TLToAXI4(idBits = 4))
val xing = LazyModule(new TLAsyncCrossing)
val toaxi4 = LazyModule(new TLToAXI4(beatBytes = 8))
val indexer = LazyModule(new AXI4IdIndexer(idBits = 4))
val deint = LazyModule(new AXI4Deinterleaver(p(coreplex.CacheBlockBytes)))
val yank = LazyModule(new AXI4UserYanker)
xing.node := node
val monitor = (toaxi4.node := xing.node)
axi4 := toaxi4.node
axi4 := yank.node
yank.node := deint.node
deint.node := indexer.node
indexer.node := toaxi4.node
lazy val module = new LazyModuleImp(this) {
val io = new Bundle {
@ -80,9 +85,7 @@ class XilinxVC707MIG(implicit p: Parameters) extends LazyModule with HasXilinxVC
xing.module.io.in_reset := reset
xing.module.io.out_clock := blackbox.io.ui_clk
xing.module.io.out_reset := blackbox.io.ui_clk_sync_rst
toaxi4.module.clock := blackbox.io.ui_clk
toaxi4.module.reset := blackbox.io.ui_clk_sync_rst
monitor.foreach { lm =>
(Seq(toaxi4, indexer, deint, yank) ++ monitor) foreach { lm =>
lm.module.clock := blackbox.io.ui_clk
lm.module.reset := blackbox.io.ui_clk_sync_rst
}

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@ -26,9 +26,31 @@ class XilinxVC707PCIeX1(implicit p: Parameters) extends LazyModule {
val intnode = IntOutputNode()
val axi_to_pcie_x1 = LazyModule(new VC707AXIToPCIeX1)
axi_to_pcie_x1.slave := AXI4Buffer()(TLToAXI4(idBits=4)(slave))
axi_to_pcie_x1.control := AXI4Buffer()(AXI4Fragmenter(lite=true, maxInFlight=4)(TLToAXI4(idBits=0)(control)))
master := TLWidthWidget(8)(AXI4ToTL()(AXI4Fragmenter()(axi_to_pcie_x1.master)))
axi_to_pcie_x1.slave :=
AXI4Buffer()(
AXI4UserYanker()(
AXI4Deinterleaver(p(coreplex.CacheBlockBytes))(
AXI4IdIndexer(idBits=4)(
TLToAXI4(beatBytes=8)(
slave)))))
axi_to_pcie_x1.control :=
AXI4Buffer()(
AXI4UserYanker()(
AXI4Fragmenter()(
AXI4IdIndexer(idBits=0)(
TLToAXI4(beatBytes=4)(
control)))))
master :=
TLWidthWidget(8)(
AXI4ToTL()(
AXI4UserYanker(capMaxFlight=Some(8))(
AXI4Fragmenter()(
AXI4IdIndexer(idBits=0)(
axi_to_pcie_x1.master)))))
intnode := axi_to_pcie_x1.intnode
lazy val module = new LazyModuleImp(this) {

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@ -197,8 +197,7 @@ class VC707AXIToPCIeX1(implicit p:Parameters) extends LazyModule
resources = Seq(Resource(device, "ranges")),
executable = true,
supportsWrite = TransferSizes(1, 256),
supportsRead = TransferSizes(1, 256),
interleavedId = Some(0))), // the Xilinx IP is friendly
supportsRead = TransferSizes(1, 256))),
beatBytes = 8)))
val control = AXI4SlaveNode(Seq(AXI4SlavePortParameters(
@ -206,8 +205,7 @@ class VC707AXIToPCIeX1(implicit p:Parameters) extends LazyModule
address = List(AddressSet(0x50000000L, 0x03ffffffL)),
resources = device.reg,
supportsWrite = TransferSizes(1, 4),
supportsRead = TransferSizes(1, 4),
interleavedId = Some(0))), // no read interleaving b/c AXI-lite
supportsRead = TransferSizes(1, 4))),
beatBytes = 4)))
val master = AXI4MasterNode(Seq(AXI4MasterPortParameters(