feat: use simple impl of the axi4 io def

Author: maksyuki

rtl/tc_l3/src/main/scala/axi4/Axi.scala

@@ -0,0 +1,65 @@
+package treecorel3
+
+import chisel3._
+import chisel3.util._
+
+class SOCAXI4ARWIO extends Bundle with AXI4Config {
+  val addr  = Output(UInt(32.W))
+  val id    = Output(UInt(AxiIdLen.W))
+  val len   = Output(UInt(AxiLen.W))
+  val size  = Output(UInt(AxiSizeLen.W))
+  val burst = Output(UInt(AxiBurstLen.W))
+}
+
+class AXI4ARWIO extends SOCAXI4ARWIO {
+  override val addr = Output(UInt(XLen.W))
+  val prot          = Output(UInt(AxiProtLen.W))
+  val user          = Output(UInt(AxiUserLen.W))
+  val lock          = Output(Bool())
+  val cache         = Output(UInt(AxiCacheLen.W))
+  val qos           = Output(UInt(AxiQosLen.W))
+}
+
+class SOCAXI4WIO extends Bundle with AXI4Config {
+  val data = Output(UInt(XLen.W))
+  val strb = Output(UInt(AxiStrb.W))
+  val last = Output(Bool())
+}
+
+class AXI4WIO extends SOCAXI4WIO {}
+
+class SOCAXI4BIO extends Bundle with AXI4Config {
+  val resp = Output(UInt(AxiRespLen.W))
+  val id   = Output(UInt(AxiIdLen.W))
+}
+
+class AXI4BIO extends SOCAXI4BIO {
+  val user = Output(UInt(AxiUserLen.W))
+}
+
+class SOCAXI4RIO extends Bundle with AXI4Config {
+  val resp = Output(UInt(AxiRespLen.W))
+  val data = Output(UInt(XLen.W))
+  val last = Output(Bool())
+  val id   = Output(UInt(AxiIdLen.W))
+}
+
+class AXI4RIO extends SOCAXI4RIO {
+  val user = Output(UInt(AxiUserLen.W))
+}
+
+class SOCAXI4IO extends Bundle {
+  val aw = Decoupled(new SOCAXI4ARWIO)
+  val w  = Decoupled(new SOCAXI4WIO)
+  val b  = Flipped(Decoupled(new SOCAXI4BIO))
+  val ar = Decoupled(new SOCAXI4ARWIO)
+  val r  = Flipped(Decoupled(new SOCAXI4RIO))
+}
+
+class AXI4IO extends SOCAXI4IO {
+  override val aw = Decoupled(new AXI4ARWIO)
+  override val w  = Decoupled(new AXI4WIO)
+  override val b  = Flipped(Decoupled(new AXI4BIO))
+  override val ar = Decoupled(new AXI4ARWIO)
+  override val r  = Flipped(Decoupled(new AXI4RIO))
+}