AxisDataWidthAdapter ip

src/main/scala/spinalutils/xilinx/ip/AxisDataWidthAdapter.scala

@@ -0,0 +1,122 @@
+package spinalutils.xilinx.ip
+
+import spinal.core._
+import spinal.lib._
+import spinal.lib.bus.amba4.axis._
+import spinal.lib.bus.amba4.axi.Axi4SpecRenamer
+
+case class AxisDataWidthAdapterConfig(
+    name: String,
+    slaveBytes: Int,
+    masterBytes: Int,
+    useKeep: Boolean = false,
+    useStrb: Boolean = false,
+    useLast: Boolean = false,
+    tidWidth: Int = 0,
+    tdestWidth: Int = 0,
+    tuserWidth: Int = 0,
+    useAclkEn: Boolean = false
+) {
+  require(slaveBytes >= 1 && slaveBytes <= 512)
+  require(masterBytes >= 1 && masterBytes <= 512)
+  require(tidWidth >= 0 && tidWidth <= 32)
+  require(tdestWidth >= 0 && tdestWidth <= 32)
+  require(tuserWidth >= 0 && tuserWidth <= 2048)
+}
+
+class AxisDataWidthAdapter(conf: AxisDataWidthAdapterConfig) extends BlackBox with IXilinxIP {
+
+  setDefinitionName(f"axis_dwidth_converter_${conf.name}")
+
+  val axisSlaveConf = Axi4StreamConfig(
+    dataWidth = conf.slaveBytes,
+    useKeep = conf.useKeep,
+    useStrb = conf.useStrb,
+    useLast = conf.useLast,
+    idWidth = if (conf.tidWidth > 0) conf.tidWidth else -1,
+    destWidth = if (conf.tdestWidth > 0) conf.tidWidth else -1,
+    userWidth = if (conf.tuserWidth > 0) conf.tidWidth else -1,
+    useId = conf.tidWidth > 0,
+    useDest = conf.tdestWidth > 0,
+    useUser = conf.tuserWidth > 0
+  )
+  val axisMasterConf = axisSlaveConf.copy(dataWidth = conf.masterBytes)
+
+  val io = new Bundle {
+    val aclk = in(Bool())
+    val aresetn = in(Bool())
+
+    val s_axis = slave(Axi4Stream(axisSlaveConf))
+    val m_axis = master(Axi4Stream(axisMasterConf))
+
+    val aclken = conf.useAclkEn generate in(Bool())
+  }
+
+  def generateTcl(): List[String] = {
+    var tcls: List[String] = List()
+
+    val createCmd =
+      f"""set axisDwidthConvExist [lsearch -exact [get_ips axis_dwidth_converter_*] axis_dwidth_converter_${conf.name}]
+if { $$axisDwidthConvExist <0} {
+  create_ip -name axis_dwidth_converter -vendor xilinx.com -library ip -version 1.1 -module_name axis_dwidth_converter_${conf.name}
+}"""
+
+    tcls = tcls :+ createCmd
+
+    var property: String = "set_property -dict [list "
+    var properties: List[String] = List()
+
+    properties = properties :+ f"CONFIG.S_TDATA_NUM_BYTES ${conf.slaveBytes}"
+    properties = properties :+ f"CONFIG.M_TDATA_NUM_BYTES ${conf.masterBytes}"
+    properties = properties :+ f"CONFIG.HAS_TSTRB ${conf.useStrb}"
+    properties = properties :+ f"CONFIG.HAS_TKEEP ${conf.useKeep}"
+    properties = properties :+ f"CONFIG.HAS_TLAST ${conf.useLast}"
+    properties = properties :+ f"CONFIG.TID_WIDTH ${conf.tidWidth}"
+    properties = properties :+ f"CONFIG.TDEST_WIDTH ${conf.tdestWidth}"
+    properties = properties :+ f"CONFIG.TUSER_BITS_PER_BYTE ${conf.tuserWidth}"
+    properties = properties :+ f"CONFIG.HAS_MI_TKEEP ${(conf.slaveBytes < conf.masterBytes).toInt}"
+
+    properties.foreach { x =>
+      if (x != "")
+        property = property.concat(x) + " "
+    }
+    property = property.concat(f"] [get_ips axis_dwidth_converter_${conf.name}]")
+
+    tcls :+ property
+  }
+
+  def generateXdc(): List[String] = {
+    var xdcs: List[String] = List()
+
+    xdcs
+  }
+
+  Axi4SpecRenamer(io.m_axis)
+  Axi4SpecRenamer(io.s_axis)
+  noIoPrefix()
+
+  mapCurrentClockDomain(io.aclk, io.aresetn)
+}
+
+object AxisDataWidthAdapter {
+  def apply(in: Axi4Stream.Axi4Stream, out: Axi4Stream.Axi4Stream, name: String): AxisDataWidthAdapter = {
+    val streamWidthAdapter = new AxisDataWidthAdapter(
+      conf = AxisDataWidthAdapterConfig(
+        name = name,
+        slaveBytes = in.config.dataWidth,
+        masterBytes = out.config.dataWidth,
+        useKeep = in.config.useKeep,
+        useStrb = in.config.useStrb,
+        useLast = in.config.useLast,
+        tidWidth = if (in.config.idWidth > 0) in.config.idWidth else 0,
+        tdestWidth = if (in.config.destWidth > 0) in.config.destWidth else 0,
+        tuserWidth = if (in.config.userWidth > 0) in.config.userWidth else 0
+      )
+    )
+
+    streamWidthAdapter.io.s_axis << in
+    streamWidthAdapter.io.m_axis >> out
+
+    streamWidthAdapter
+  }
+}