拓扑修改，编译通过

src/main/scala/Switch/Parameters.scala

@@ -0,0 +1,34 @@
+package Switch
+
+import chisel3._
+import chisel3.stage._
+import freechips.rocketchip.diplomacy._
+
+import org.chipsalliance.cde.config._
+
+abstract class SwitchModule(implicit val p: Parameters) extends Module with HasSwitchParameters { def io: Record }
+abstract class SwitchBundle(implicit val p: Parameters) extends Bundle with HasSwitchParameters
+
+
+case object SwitchParamsKey extends Field[SwitchSetting]
+
+
+case class SwitchSetting(
+  // isTileLink: Boolean = true
+  chn: Int = 1
+){
+
+}
+
+trait HasSwitchParameters {
+  implicit val p: Parameters
+
+  val switchSetting = p(SwitchParamsKey)
+
+  def chn = switchSetting.chn
+
+}
+
+class SwitchCfg extends Config((_, _, _) => {
+  case SwitchParamsKey => SwitchSetting()
+})