-// See LICENSE for license details.
-package sifive.blocks.ip.xilinx.vc707axi_to_pcie_x1
-
-import Chisel._
-import freechips.rocketchip.config._
-import freechips.rocketchip.diplomacy._
-import freechips.rocketchip.amba.axi4._
-import freechips.rocketchip.tilelink.{IntSourceNode, IntSourcePortSimple}
-
-// IP VLNV: xilinx.com:customize_ip:vc707pcietoaxi:1.0
-// Black Box
-// Signals named _exactly_ as per Vivado generated verilog
-// s : -{lock, cache, prot, qos}
-
-trait VC707AXIToPCIeX1IOSerial extends Bundle {
- //serial external pins
- val pci_exp_txp = Bits(OUTPUT,1)
- val pci_exp_txn = Bits(OUTPUT,1)
- val pci_exp_rxp = Bits(INPUT,1)
- val pci_exp_rxn = Bits(INPUT,1)
-}
-
-trait VC707AXIToPCIeX1IOClocksReset extends Bundle {
- //clock, reset, control
- val axi_aresetn = Bool(INPUT)
- val axi_aclk_out = Clock(OUTPUT)
- val axi_ctl_aclk_out = Clock(OUTPUT)
- val mmcm_lock = Bool(OUTPUT)
-}
-
-//scalastyle:off
-//turn off linter: blackbox name must match verilog module
-class vc707axi_to_pcie_x1() extends BlackBox
-{
- val io = new Bundle with VC707AXIToPCIeX1IOSerial
- with VC707AXIToPCIeX1IOClocksReset {
- //refclk
- val REFCLK = Bool(INPUT)
-
- //clock, reset, control
- val INTX_MSI_Request = Bool(INPUT)
- val INTX_MSI_Grant = Bool(OUTPUT)
- val MSI_enable = Bool(OUTPUT)
- val MSI_Vector_Num = Bits(INPUT,5)
- val MSI_Vector_Width = Bits(OUTPUT,3)
-
- //interrupt
- val interrupt_out = Bool(OUTPUT)
-
- //axi slave
- //-{lock, cache, prot, qos}
- //slave interface write address
- val s_axi_awid = Bits(INPUT,4)
- val s_axi_awaddr = Bits(INPUT,32)
- val s_axi_awregion = Bits(INPUT,4)
- val s_axi_awlen = Bits(INPUT,8)
- val s_axi_awsize = Bits(INPUT,3)
- val s_axi_awburst = Bits(INPUT,2)
- //val s_axi_awlock = Bool(INPUT)
- //val s_axi_awcache = Bits(INPUT,4)
- //val s_axi_awprot = Bits(INPUT,3)
- //val s_axi_awqos = Bits(INPUT,4)
- val s_axi_awvalid = Bool(INPUT)
- val s_axi_awready = Bool(OUTPUT)
- //slave interface write data
- val s_axi_wdata = Bits(INPUT,64)
- val s_axi_wstrb = Bits(INPUT,8)
- val s_axi_wlast = Bool(INPUT)
- val s_axi_wvalid = Bool(INPUT)
- val s_axi_wready = Bool(OUTPUT)
- //slave interface write response
- val s_axi_bready = Bool(INPUT)
- val s_axi_bid = Bits(OUTPUT,4)
- val s_axi_bresp = Bits(OUTPUT,2)
- val s_axi_bvalid = Bool(OUTPUT)
- //slave interface read address
- val s_axi_arid = Bits(INPUT,4)
- val s_axi_araddr = Bits(INPUT,32)
- val s_axi_arregion = Bits(INPUT,4)
- val s_axi_arlen = Bits(INPUT,8)
- val s_axi_arsize = Bits(INPUT,3)
- val s_axi_arburst = Bits(INPUT,2)
- //val s_axi_arlock = Bits(INPUT,1)
- //val s_axi_arcache = Bits(INPUT,4)
- //val s_axi_arprot = Bits(INPUT,3)
- //val s_axi_arqos = Bits(INPUT,4)
- val s_axi_arvalid = Bool(INPUT)
- val s_axi_arready = Bool(OUTPUT)
- //slave interface read data
- val s_axi_rready = Bool(INPUT)
- val s_axi_rid = Bits(OUTPUT,4)
- val s_axi_rdata = Bits(OUTPUT,64)
- val s_axi_rresp = Bits(OUTPUT,2)
- val s_axi_rlast = Bool(OUTPUT)
- val s_axi_rvalid = Bool(OUTPUT)
-
- //axi master
- //-{id,region,qos}
- //slave interface write address ports
- //val m_axi_awid = Bits(OUTPUT,4)
- val m_axi_awaddr = Bits(OUTPUT,32)
- //val m_axi_awregion = Bits(OUTPUT,4)
- val m_axi_awlen = Bits(OUTPUT,8)
- val m_axi_awsize = Bits(OUTPUT,3)
- val m_axi_awburst = Bits(OUTPUT,2)
- val m_axi_awlock = Bool(OUTPUT)
- val m_axi_awcache = Bits(OUTPUT,4)
- val m_axi_awprot = Bits(OUTPUT,3)
- //val m_axi_awqos = Bits(OUTPUT,4)
- val m_axi_awvalid = Bool(OUTPUT)
- val m_axi_awready = Bool(INPUT)
- //slave interface write data ports
- val m_axi_wdata = Bits(OUTPUT,64)
- val m_axi_wstrb = Bits(OUTPUT,8)
- val m_axi_wlast = Bool(OUTPUT)
- val m_axi_wvalid = Bool(OUTPUT)
- val m_axi_wready = Bool(INPUT)
- //slave interface write response ports
- val m_axi_bready = Bool(OUTPUT)
- //val m_axi_bid = Bits(INPUT,4)
- val m_axi_bresp = Bits(INPUT,2)
- val m_axi_bvalid = Bool(INPUT)
- //slave interface read address ports
- //val m_axi_arid = Bits(OUTPUT,4)
- val m_axi_araddr = Bits(OUTPUT,32)
- //val m_axi_arregion = Bits(OUTPUT,4)
- val m_axi_arlen = Bits(OUTPUT,8)
- val m_axi_arsize = Bits(OUTPUT,3)
- val m_axi_arburst = Bits(OUTPUT,2)
- val m_axi_arlock = Bits(OUTPUT,1)
- val m_axi_arcache = Bits(OUTPUT,4)
- val m_axi_arprot = Bits(OUTPUT,3)
- //val m_axi_arqos = Bits(OUTPUT,4)
- val m_axi_arvalid = Bool(OUTPUT)
- val m_axi_arready = Bool(INPUT)
- //slave interface read data ports
- val m_axi_rready = Bool(OUTPUT)
- //val m_axi_rid = Bits(INPUT,4)
- val m_axi_rdata = Bits(INPUT,64)
- val m_axi_rresp = Bits(INPUT,2)
- val m_axi_rlast = Bool(INPUT)
- val m_axi_rvalid = Bool(INPUT)
-
- //axi lite slave for control
- val s_axi_ctl_awaddr = Bits(INPUT,32)
- val s_axi_ctl_awvalid = Bool(INPUT)
- val s_axi_ctl_awready = Bool(OUTPUT)
- val s_axi_ctl_wdata = Bits(INPUT,32)
- val s_axi_ctl_wstrb = Bits(INPUT,4)
- val s_axi_ctl_wvalid = Bool(INPUT)
- val s_axi_ctl_wready = Bool(OUTPUT)
- val s_axi_ctl_bresp = Bits(OUTPUT,2)
- val s_axi_ctl_bvalid = Bool(OUTPUT)
- val s_axi_ctl_bready = Bool(INPUT)
- val s_axi_ctl_araddr = Bits(INPUT,32)
- val s_axi_ctl_arvalid = Bool(INPUT)
- val s_axi_ctl_arready = Bool(OUTPUT)
- val s_axi_ctl_rdata = Bits(OUTPUT,32)
- val s_axi_ctl_rresp = Bits(OUTPUT,2)
- val s_axi_ctl_rvalid = Bool(OUTPUT)
- val s_axi_ctl_rready = Bool(INPUT)
- }
-}
-//scalastyle:off
-
-//wrap vc707_axi_to_pcie_x1 black box in Nasti Bundles
-
-class VC707AXIToPCIeX1(implicit p:Parameters) extends LazyModule
-{
- val device = new SimpleDevice("pci", Seq("xlnx,axi-pcie-host-1.00.a")) {
- override def describe(resources: ResourceBindings): Description = {
- val Description(name, mapping) = super.describe(resources)
- val intc = "pcie_intc"
- def ofInt(x: Int) = Seq(ResourceInt(BigInt(x)))
- def ofMap(x: Int) = Seq(0, 0, 0, x).flatMap(ofInt) ++ Seq(ResourceReference(intc)) ++ ofInt(x)
- val extra = Map(
- "#address-cells" -> ofInt(3),
- "#size-cells" -> ofInt(2),
- "#interrupt-cells" -> ofInt(1),
- "device_type" -> Seq(ResourceString("pci")),
- "interrupt-map-mask" -> Seq(0, 0, 0, 7).flatMap(ofInt),
- "interrupt-map" -> Seq(1, 2, 3, 4).flatMap(ofMap),
- "ranges" -> resources("ranges").map { case Binding(_, ResourceAddress(address, perms)) =>
- ResourceMapping(address, BigInt(0x02000000) << 64, perms) },
- "interrupt-controller" -> Seq(ResourceMap(labels = Seq(intc), value = Map(
- "interrupt-controller" -> Nil,
- "#address-cells" -> ofInt(0),
- "#interrupt-cells" -> ofInt(1)))))
- Description(name, mapping ++ extra)
- }
- }
-
- val slave = AXI4SlaveNode(Seq(AXI4SlavePortParameters(
- slaves = Seq(AXI4SlaveParameters(
- address = List(AddressSet(0x60000000L, 0x1fffffffL)),
- resources = Seq(Resource(device, "ranges")),
- executable = true,
- supportsWrite = TransferSizes(1, 256),
- supportsRead = TransferSizes(1, 256))),
- beatBytes = 8)))
-
- val control = AXI4SlaveNode(Seq(AXI4SlavePortParameters(
- slaves = Seq(AXI4SlaveParameters(
- address = List(AddressSet(0x50000000L, 0x03ffffffL)),
- resources = device.reg("control"),
- supportsWrite = TransferSizes(1, 4),
- supportsRead = TransferSizes(1, 4),
- interleavedId = Some(0))), // AXI4-Lite never interleaves responses
- beatBytes = 4)))
-
- val master = AXI4MasterNode(Seq(AXI4MasterPortParameters(
- masters = Seq(AXI4MasterParameters(
- name = "VC707 PCIe",
- id = IdRange(0, 1),
- aligned = false)))))
-
- val intnode = IntSourceNode(IntSourcePortSimple(resources = device.int))
-
- lazy val module = new LazyModuleImp(this) {
- // The master on the control port must be AXI-lite
- require (control.edgesIn(0).master.endId == 1)
- // Must have exactly the right number of idBits
- require (slave.edgesIn(0).bundle.idBits == 4)
-
- class VC707AXIToPCIeX1IOBundle extends Bundle with VC707AXIToPCIeX1IOSerial
- with VC707AXIToPCIeX1IOClocksReset;
-
- val io = new Bundle {
- val port = new VC707AXIToPCIeX1IOBundle
- val slave_in = slave.bundleIn
- val control_in = control.bundleIn
- val master_out = master.bundleOut
- val REFCLK = Bool(INPUT)
- val interrupt_out = intnode.bundleOut
- }
-
- val blackbox = Module(new vc707axi_to_pcie_x1)
-
- val s = io.slave_in(0)
- val c = io.control_in(0)
- val m = io.master_out(0)
-
- //to top level
- blackbox.io.axi_aresetn := io.port.axi_aresetn
- io.port.axi_aclk_out := blackbox.io.axi_aclk_out
- io.port.axi_ctl_aclk_out := blackbox.io.axi_ctl_aclk_out
- io.port.mmcm_lock := blackbox.io.mmcm_lock
- io.port.pci_exp_txp := blackbox.io.pci_exp_txp
- io.port.pci_exp_txn := blackbox.io.pci_exp_txn
- blackbox.io.pci_exp_rxp := io.port.pci_exp_rxp
- blackbox.io.pci_exp_rxn := io.port.pci_exp_rxn
- io.interrupt_out(0)(0) := blackbox.io.interrupt_out
- blackbox.io.REFCLK := io.REFCLK
-
- //s
- //AXI4 signals ordered as per AXI4 Specification (Release D) Section A.2
- //-{lock, cache, prot, qos}
- //-{aclk, aresetn, awuser, wid, wuser, buser, ruser}
- //global signals
- //aclk :=
- //aresetn :=
- //slave interface write address
- blackbox.io.s_axi_awid := s.aw.bits.id
- blackbox.io.s_axi_awaddr := s.aw.bits.addr
- blackbox.io.s_axi_awlen := s.aw.bits.len
- blackbox.io.s_axi_awsize := s.aw.bits.size
- blackbox.io.s_axi_awburst := s.aw.bits.burst
- //blackbox.io.s_axi_awlock := s.aw.bits.lock
- //blackbox.io.s_axi_awcache := s.aw.bits.cache
- //blackbox.io.s_axi_awprot := s.aw.bits.prot
- //blackbox.io.s_axi_awqos := s.aw.bits.qos
- blackbox.io.s_axi_awregion := UInt(0)
- //blackbox.io.awuser := s.aw.bits.user
- blackbox.io.s_axi_awvalid := s.aw.valid
- s.aw.ready := blackbox.io.s_axi_awready
- //slave interface write data ports
- //blackbox.io.s_axi_wid := s.w.bits.id
- blackbox.io.s_axi_wdata := s.w.bits.data
- blackbox.io.s_axi_wstrb := s.w.bits.strb
- blackbox.io.s_axi_wlast := s.w.bits.last
- //blackbox.io.s_axi_wuser := s.w.bits.user
- blackbox.io.s_axi_wvalid := s.w.valid
- s.w.ready := blackbox.io.s_axi_wready
- //slave interface write response
- s.b.bits.id := blackbox.io.s_axi_bid
- s.b.bits.resp := blackbox.io.s_axi_bresp
- //s.b.bits.user := blackbox.io.s_axi_buser
- s.b.valid := blackbox.io.s_axi_bvalid
- blackbox.io.s_axi_bready := s.b.ready
- //slave AXI interface read address ports
- blackbox.io.s_axi_arid := s.ar.bits.id
- blackbox.io.s_axi_araddr := s.ar.bits.addr
- blackbox.io.s_axi_arlen := s.ar.bits.len
- blackbox.io.s_axi_arsize := s.ar.bits.size
- blackbox.io.s_axi_arburst := s.ar.bits.burst
- //blackbox.io.s_axi_arlock := s.ar.bits.lock
- //blackbox.io.s_axi_arcache := s.ar.bits.cache
- //blackbox.io.s_axi_arprot := s.ar.bits.prot
- //blackbox.io.s_axi_arqos := s.ar.bits.qos
- blackbox.io.s_axi_arregion := UInt(0)
- //blackbox.io.s_axi_aruser := s.ar.bits.user
- blackbox.io.s_axi_arvalid := s.ar.valid
- s.ar.ready := blackbox.io.s_axi_arready
- //slave AXI interface read data ports
- s.r.bits.id := blackbox.io.s_axi_rid
- s.r.bits.data := blackbox.io.s_axi_rdata
- s.r.bits.resp := blackbox.io.s_axi_rresp
- s.r.bits.last := blackbox.io.s_axi_rlast
- //s.r.bits.ruser := blackbox.io.s_axi_ruser
- s.r.valid := blackbox.io.s_axi_rvalid
- blackbox.io.s_axi_rready := s.r.ready
-
- //ctl
- //axi-lite slave interface write address
- blackbox.io.s_axi_ctl_awaddr := c.aw.bits.addr
- blackbox.io.s_axi_ctl_awvalid := c.aw.valid
- c.aw.ready := blackbox.io.s_axi_ctl_awready
- //axi-lite slave interface write data ports
- blackbox.io.s_axi_ctl_wdata := c.w.bits.data
- blackbox.io.s_axi_ctl_wstrb := c.w.bits.strb
- blackbox.io.s_axi_ctl_wvalid := c.w.valid
- c.w.ready := blackbox.io.s_axi_ctl_wready
- //axi-lite slave interface write response
- blackbox.io.s_axi_ctl_bready := c.b.ready
- c.b.bits.id := UInt(0)
- c.b.bits.resp := blackbox.io.s_axi_ctl_bresp
- c.b.valid := blackbox.io.s_axi_ctl_bvalid
- //axi-lite slave AXI interface read address ports
- blackbox.io.s_axi_ctl_araddr := c.ar.bits.addr
- blackbox.io.s_axi_ctl_arvalid := c.ar.valid
- c.ar.ready := blackbox.io.s_axi_ctl_arready
- //slave AXI interface read data ports
- blackbox.io.s_axi_ctl_rready := c.r.ready
- c.r.bits.id := UInt(0)
- c.r.bits.data := blackbox.io.s_axi_ctl_rdata
- c.r.bits.resp := blackbox.io.s_axi_ctl_rresp
- c.r.bits.last := Bool(true)
- c.r.valid := blackbox.io.s_axi_ctl_rvalid
-
- //m
- //AXI4 signals ordered per AXI4 Specification (Release D) Section A.2
- //-{id,region,qos}
- //-{aclk, aresetn, awuser, wid, wuser, buser, ruser}
- //global signals
- //aclk :=
- //aresetn :=
- //master interface write address
- m.aw.bits.id := UInt(0)
- m.aw.bits.addr := blackbox.io.m_axi_awaddr
- m.aw.bits.len := blackbox.io.m_axi_awlen
- m.aw.bits.size := blackbox.io.m_axi_awsize
- m.aw.bits.burst := blackbox.io.m_axi_awburst
- m.aw.bits.lock := blackbox.io.m_axi_awlock
- m.aw.bits.cache := blackbox.io.m_axi_awcache
- m.aw.bits.prot := blackbox.io.m_axi_awprot
- m.aw.bits.qos := UInt(0)
- //m.aw.bits.region := blackbox.io.m_axi_awregion
- //m.aw.bits.user := blackbox.io.m_axi_awuser
- m.aw.valid := blackbox.io.m_axi_awvalid
- blackbox.io.m_axi_awready := m.aw.ready
-
- //master interface write data ports
- m.w.bits.data := blackbox.io.m_axi_wdata
- m.w.bits.strb := blackbox.io.m_axi_wstrb
- m.w.bits.last := blackbox.io.m_axi_wlast
- //m.w.bits.user := blackbox.io.m_axi_wuser
- m.w.valid := blackbox.io.m_axi_wvalid
- blackbox.io.m_axi_wready := m.w.ready
-
- //master interface write response
- //blackbox.io.m_axi_bid := m.b.bits.id
- blackbox.io.m_axi_bresp := m.b.bits.resp
- //blackbox.io.m_axi_buser := m.b.bits.user
- blackbox.io.m_axi_bvalid := m.b.valid
- m.b.ready := blackbox.io.m_axi_bready
-
- //master AXI interface read address ports
- m.ar.bits.id := UInt(0)
- m.ar.bits.addr := blackbox.io.m_axi_araddr
- m.ar.bits.len := blackbox.io.m_axi_arlen
- m.ar.bits.size := blackbox.io.m_axi_arsize
- m.ar.bits.burst := blackbox.io.m_axi_arburst
- m.ar.bits.lock := blackbox.io.m_axi_arlock
- m.ar.bits.cache := blackbox.io.m_axi_arcache
- m.ar.bits.prot := blackbox.io.m_axi_arprot
- m.ar.bits.qos := UInt(0)
- //m.ar.bits.region := blackbox.io.m_axi_arregion
- //m.ar.bits.user := blackbox.io.s_axi_aruser
- m.ar.valid := blackbox.io.m_axi_arvalid
- blackbox.io.m_axi_arready := m.ar.ready
-
- //master AXI interface read data ports
- //blackbox.io.m_axi_rid := m.r.bits.id
- blackbox.io.m_axi_rdata := m.r.bits.data
- blackbox.io.m_axi_rresp := m.r.bits.resp
- blackbox.io.m_axi_rlast := m.r.bits.last
- //blackbox.io.s_axi_ruser := s.bits.ruser
- blackbox.io.m_axi_rvalid := m.r.valid
- m.r.ready := blackbox.io.m_axi_rready
- }
-}