src/main/scala/unleashed/u500vc707devkit/Configs.scala

   1 // See LICENSE for license details.
   2 package sifive.freedom.unleashed.u500vc707devkit
   3
   4 import config._
   5 import coreplex.{WithL1DCacheWays, WithSmallCores, WithoutFPU, BootROMFile}
   6 import rocketchip.{BaseConfig,WithRTCPeriod,WithJtagDTM}
   7
   8 // Don't use directly. Requires additional bootfile configuration
   9 class DefaultFreedomUConfig extends Config(
  10   new WithJtagDTM ++ new BaseConfig
  11 )
  12
  13 class WithBootROMFile(bootROMFile: String) extends Config(
  14   (pname, site, here) => pname match {
  15     case BootROMFile => bootROMFile
  16     case _ => throw new CDEMatchError
  17   }
  18 )
  19
  20 //----------------------------------------------------------------------------------
  21 // Freedom U500 VC707 Dev Kit
  22
  23 class U500VC707DevKitConfig extends Config(
  24   new WithBootROMFile("./bootrom/u500vc707devkit.img") ++
  25   new WithRTCPeriod(62) ++    //Default value of 100 generates 1 Mhz clock @ 100Mhz, then corrected in sbi_entry.c
  26                               //Value 62 generates ~ 1Mhz clock @ 62.5Mhz
  27   new WithoutFPU ++
  28   new DefaultFreedomUConfig)