Move System/Subsystem to utilities

generators/utilities/src/main/scala/System.scala

@@ -0,0 +1,45 @@
+//******************************************************************************
+// Copyright (c) 2019 - 2019, The Regents of the University of California (Regents).
+// All Rights Reserved. See LICENSE and LICENSE.SiFive for license details.
+//------------------------------------------------------------------------------
+
+package utilities
+
+import chisel3._
+
+import freechips.rocketchip.config.{Parameters}
+import freechips.rocketchip.subsystem._
+import freechips.rocketchip.tilelink._
+import freechips.rocketchip.devices.tilelink._
+import freechips.rocketchip.diplomacy._
+import freechips.rocketchip.util.{DontTouch}
+
+// ---------------------------------------------------------------------
+// Base system that uses the debug test module (dtm) to bringup the core
+// ---------------------------------------------------------------------
+
+/**
+ * Base top with periphery devices and ports, and a BOOM + Rocket subsystem
+ */
+class System(implicit p: Parameters) extends Subsystem
+  with HasHierarchicalBusTopology
+  with HasAsyncExtInterrupts
+  with CanHaveMasterAXI4MemPort
+  with CanHaveMasterAXI4MMIOPort
+  with CanHaveSlaveAXI4Port
+  with HasPeripheryBootROM
+{
+  override lazy val module = new SystemModule(this)
+}
+
+/**
+ * Base top module implementation with periphery devices and ports, and a BOOM + Rocket subsystem
+ */
+class SystemModule[+L <: System](_outer: L) extends SubsystemModuleImp(_outer)
+  with HasRTCModuleImp
+  with HasExtInterruptsModuleImp
+  with CanHaveMasterAXI4MemPortModuleImp
+  with CanHaveMasterAXI4MMIOPortModuleImp
+  with CanHaveSlaveAXI4PortModuleImp
+  with HasPeripheryBootROMModuleImp
+  with DontTouch