Update build.sbt to use X.5-RC1

build.sbt

@@ -60,25 +60,19 @@ def isolateAllTests(tests: Seq[TestDefinition]) = tests map { test =>
   new Group(test.name, Seq(test), SubProcess(options))
 } toSeq
 
-val chiselVersion = "3.4.4"
+val chiselVersion = "3.5.0-RC1"
 
 lazy val chiselSettings = Seq(
   libraryDependencies ++= Seq("edu.berkeley.cs" %% "chisel3" % chiselVersion),
   addCompilerPlugin("edu.berkeley.cs" % "chisel3-plugin" % chiselVersion cross CrossVersion.full))
 
-val firrtlVersion = "1.4.4"
+val firrtlVersion = "1.5.0-RC1"
 
 lazy val firrtlSettings = Seq(libraryDependencies ++= Seq("edu.berkeley.cs" %% "firrtl" % firrtlVersion))
 
-// In some projects we override the default versions of Chisel and friends.
-// This map captures the expected defaults used by projects under Chipyard.
-lazy val chipyardMandatedVersions = Map(
-  "chisel-iotesters" -> "1.5.4",
-  "firrtl-interpreter" -> "1.4.4",
-  "treadle" -> "1.3.4",
-  "chisel3" -> chiselVersion,
-  "firrtl" -> firrtlVersion
-)
+val chiselTestVersion = "2.5.0-RC1"
+
+lazy val chiselTestSettings = Seq(libraryDependencies ++= Seq("edu.berkeley.cs" %% "chisel-iotesters" % chiselTestVersion))
 
 // Subproject definitions begin
 
@@ -138,19 +132,6 @@ lazy val rocketLibDeps = (rocketchip / Keys.libraryDependencies)
 
 // -- Chipyard-managed External Projects --
 
-// Because we're not using a release version of iotesters to work around a
-// scala test version problem, override it's libdeps to prevent using snapshots
-lazy val chisel_testers = (project in file("tools/chisel-testers"))
-  .settings(chiselSettings)
-  .settings(
-    allDependencies := allDependencies.value.map {
-      case dep if chipyardMandatedVersions.isDefinedAt(dep.name) =>
-        dep.organization %% dep.name % chipyardMandatedVersions(dep.name)
-      case o => o
-    })
-
-// -- Normal Projects --
-
 // Contains annotations & firrtl passes you may wish to use in rocket-chip without
 // introducing a circular dependency between RC and MIDAS
 lazy val midasTargetUtils = ProjectRef(firesimDir, "targetutils")
@@ -204,13 +185,15 @@ lazy val sodor = (project in file("generators/riscv-sodor"))
   .settings(commonSettings)
 
 lazy val sha3 = (project in file("generators/sha3"))
-  .dependsOn(rocketchip, chisel_testers, midasTargetUtils)
+  .dependsOn(rocketchip, midasTargetUtils)
   .settings(libraryDependencies ++= rocketLibDeps.value)
+  .settings(chiselTestSettings)
   .settings(commonSettings)
 
 lazy val gemmini = (project in file("generators/gemmini"))
-  .dependsOn(testchipip, rocketchip, chisel_testers)
+  .dependsOn(testchipip, rocketchip)
   .settings(libraryDependencies ++= rocketLibDeps.value)
+  .settings(chiselTestSettings)
   .settings(commonSettings)
 
 lazy val nvdla = (project in file("generators/nvdla"))
@@ -223,7 +206,8 @@ lazy val iocell = (project in file("./tools/barstools/iocell/"))
   .settings(commonSettings)
 
 lazy val tapeout = (project in file("./tools/barstools/tapeout/"))
-  .dependsOn(chisel_testers, chipyard) // must depend on chipyard to get scala resources
+  .dependsOn(chipyard) // must depend on chipyard to get scala resources
+  .settings(chiselTestSettings)
   .settings(commonSettings)
 
 lazy val mdf = (project in file("./tools/barstools/mdf/scalalib/"))
@@ -236,7 +220,7 @@ lazy val barstoolsMacros = (project in file("./tools/barstools/macros/"))
   .settings(commonSettings)
 
 lazy val dsptools = freshProject("dsptools", file("./tools/dsptools"))
-  .dependsOn(chisel_testers)
+  .settings(chiselTestSettings)
   .settings(
     commonSettings,
     libraryDependencies ++= Seq(