src/main/scala/unleashed/u500vc707devkit/Config.scala

   1 // See LICENSE for license details.
   2 package sifive.freedom.unleashed.u500vc707devkit
   3
   4 import freechips.rocketchip.config._
   5 import freechips.rocketchip.coreplex._
   6 import freechips.rocketchip.devices.debug._
   7 import freechips.rocketchip.devices.tilelink._
   8 import freechips.rocketchip.diplomacy._
   9 import freechips.rocketchip.system._
  10 import freechips.rocketchip.tile._
  11
  12 import sifive.blocks.devices.gpio._
  13 import sifive.blocks.devices.spi._
  14 import sifive.blocks.devices.uart._
  15
  16 // Default FreedomUVC707Config
  17 class FreedomUVC707Config extends Config(
  18   new WithJtagDTM            ++
  19   new WithNMemoryChannels(1) ++
  20   new WithNBigCores(1)       ++
  21   new BaseConfig
  22 )
  23
  24 // Freedom U500 VC707 Dev Kit Peripherals
  25 class U500VC707DevKitPeripherals extends Config((site, here, up) => {
  26   case PeripheryUARTKey => List(
  27     UARTParams(address = BigInt(0x54000000L)))
  28   case PeripherySPIKey => List(
  29     SPIParams(rAddress = BigInt(0x54001000L)))
  30   case PeripheryGPIOKey => List(
  31     GPIOParams(address = BigInt(0x54002000L), width = 4))
  32   case PeripheryMaskROMKey => List(
  33     MaskROMParams(address = 0x10000, name = "BootROM"))
  34 })
  35
  36 // Freedom U500 VC707 Dev Kit
  37 class U500VC707DevKitConfig extends Config(
  38   new WithoutFPU                 ++
  39   new WithNExtTopInterrupts(0)   ++
  40   new U500VC707DevKitPeripherals ++
  41   new FreedomUVC707Config().alter((site,here,up) => {
  42     case ErrorParams => ErrorParams(Seq(AddressSet(0x3000, 0xfff)))
  43     case PeripheryBusParams => up(PeripheryBusParams, site).copy(frequency = 50000000) // 50 MHz hperiphery
  44     case DTSTimebase => BigInt(1000000)
  45     case ExtMem => up(ExtMem).copy(size = 0x40000000L)
  46     case JtagDTMKey => new JtagDTMConfig (
  47       idcodeVersion = 2,      // 1 was legacy (FE310-G000, Acai).
  48       idcodePartNum = 0x000,  // Decided to simplify.
  49       idcodeManufId = 0x489,  // As Assigned by JEDEC to SiFive. Only used in wrappers / test harnesses.
  50       debugIdleCycles = 5)    // Reasonable guess for synchronization
  51   })
  52 )