Deprecate support for on-chip SerialAdapter

generators/firechip/src/main/scala/BridgeBinders.scala

@@ -66,10 +66,11 @@ class WithFireSimIOCellModels extends Config((site, here, up) => {
 })
 
 class WithSerialBridge extends OverrideHarnessBinder({
-  (system: CanHavePeripheryTSISerial, th: HasHarnessSignalReferences, ports: Seq[ClockedIO[SerialIO]]) => {
+  (system: CanHavePeripheryTLSerial, th: HasHarnessSignalReferences, ports: Seq[ClockedIO[SerialIO]]) => {
     ports.map { p =>
+      val ram = SerialAdapter.connectHarnessRAM(system.serdesser.get, p, th.harnessReset)
       withClockAndReset(p.clock, th.harnessReset) {
-        SerialBridge(p.clock, p.bits, MainMemoryConsts.globalName)(GetSystemParameters(system))
+        SerialBridge(p.clock, ram.module.io.tsi_ser, MainMemoryConsts.globalName)(GetSystemParameters(system))
       }
     }
     Nil

generators/firechip/src/main/scala/TargetConfigs.scala

@@ -84,7 +84,7 @@ class WithFireSimConfigTweaks extends Config(
   // Required: Adds IO to attach SerialBridge. The SerialBridges is responsible
   // for signalling simulation termination under simulation success. This fragment can
   // be removed if you supply an auxiliary bridge that signals simulation termination
-  new testchipip.WithSerialTSI ++
+  new testchipip.WithDefaultSerialTL ++
   // Optional: Removing this will require using an initramfs under linux
   new testchipip.WithBlockDevice ++
   // Required*: Scale default baud rate with periphery bus frequency
@@ -131,7 +131,7 @@ class FireSimSmallSystemConfig extends Config(
   new WithoutClockGating ++
   new WithoutTLMonitors ++
   new freechips.rocketchip.subsystem.WithExtMemSize(1 << 28) ++
-  new testchipip.WithSerialTSI ++
+  new testchipip.WithDefaultSerialTL ++
   new testchipip.WithBlockDevice ++
   new chipyard.config.WithUART ++
   new freechips.rocketchip.subsystem.WithInclusiveCache(nWays = 2, capacityKB = 64) ++