for now just support verilog build of hwacha (no tests run on it)

generators/example/src/main/scala/ConfigMixins.scala

@@ -2,11 +2,10 @@ package example
 
 import chisel3._
 import freechips.rocketchip.config.{Parameters, Config}
-import freechips.rocketchip.subsystem.{SystemBusKey, RocketTilesKey, CacheBlockBytes, WithRoccExample, WithNMemoryChannels, WithNBigCores, WithRV32}
+import freechips.rocketchip.subsystem.{WithRoccExample, WithNMemoryChannels, WithNBigCores, WithRV32}
 import freechips.rocketchip.diplomacy.{LazyModule, ValName}
 import freechips.rocketchip.devices.tilelink.BootROMParams
-import freechips.rocketchip.tile.{XLen, RocketTileParams}
-import freechips.rocketchip.rocket.{RocketCoreParams, DCacheParams, ICacheParams, MulDivParams}
+import freechips.rocketchip.tile.{XLen}
 import testchipip._
 import sifive.blocks.devices.gpio._
 
@@ -169,35 +168,3 @@ class WithGPIOBoomTop extends Config((site, here, up) => {
     top
   }
 })
-
-// -------------
-// Mixins for CI
-// -------------
-
-/**
- * Class to specify a smaller Rocket core for Hwacha CI
- */
-class WithNHwachaSmallCores(n: Int) extends Config((site, here, up) => {
-  case RocketTilesKey => {
-    val small = RocketTileParams(
-      core   = RocketCoreParams(mulDiv = Some(MulDivParams(
-        mulUnroll = 8,
-        mulEarlyOut = true,
-        divEarlyOut = true))),
-      btb = None,
-      dcache = Some(DCacheParams(
-        rowBits = site(SystemBusKey).beatBits,
-        nSets = 32,
-        nWays = 1,
-        nTLBEntries = 4,
-        nMSHRs = 0,
-        blockBytes = site(CacheBlockBytes))),
-      icache = Some(ICacheParams(
-        rowBits = site(SystemBusKey).beatBits,
-        nSets = 32,
-        nWays = 1,
-        nTLBEntries = 4,
-        blockBytes = site(CacheBlockBytes))))
-    List.tabulate(n)(i => small.copy(hartId = i))
-  }
-})

generators/example/src/main/scala/Configs.scala

@@ -21,12 +21,6 @@ class HwachaConfig extends Config(
   new hwacha.DefaultHwachaConfig ++
   new DefaultRocketConfig)
 
-class SmallRocketForHwachaCIConfig extends Config(
-  new WithNBanks(1) ++
-  new WithNHwachaSmallCores(1) ++
-  new hwacha.DefaultHwachaConfig ++
-  new DefaultRocketConfig)
-
 class RoccRocketConfig extends Config(
   new WithRoccExample ++
   new DefaultRocketConfig)