// See LICENSE for license details.
package sifive.freedom.unleashed.u500ml507devkit

import freechips.rocketchip.config._
import freechips.rocketchip.subsystem._
import freechips.rocketchip.devices.debug._
import freechips.rocketchip.devices.tilelink._
import freechips.rocketchip.diplomacy._
import freechips.rocketchip.system._
import freechips.rocketchip.tile._

import sifive.blocks.devices.gpio._
import sifive.blocks.devices.spi._
import sifive.blocks.devices.uart._
import sifive.blocks.devices.terminal._

import sifive.fpgashells.devices.xilinx.xilinxml507mig._

// Default FreedomUML507Config
class FreedomUML507Config extends Config(
  new WithoutTLMonitors      ++
  new WithJtagDTM            ++
  new WithClockFrequency(60000000) ++ // 60 MHz
  new WithNMemoryChannels(1) ++
  new WithNSmallLinuxCores(1)       ++
  new BaseConfig
)

// Freedom U500 ML507 Dev Kit Peripherals
class U500ML507DevKitPeripherals extends Config((site, here, up) => {
  case PeripheryUARTKey => List(
    UARTParams(address = BigInt(0x64000000L)))
  case PeripherySPIKey => List(
    SPIParams(rAddress = BigInt(0x64001000L)))
  case PeripheryGPIOKey => List(
    GPIOParams(address = BigInt(0x64002000L), width = 8))
  case PeripheryTerminalKey =>
    TerminalParams(address = BigInt(0x64003000L))
  case PeripheryMaskROMKey => List(
    MaskROMParams(address = 0x10000, name = "BootROM"))
})

// Freedom U500 ML507 Dev Kit
class U500ML507DevKitConfig extends Config(
  new WithNExtTopInterrupts(0)   ++
  new U500ML507DevKitPeripherals ++
  new FreedomUML507Config().alter((site,here,up) => {
    case ErrorParams => ErrorParams(Seq(AddressSet(0x3000, 0xfff)), maxAtomic=site(XLen)/8, maxTransfer=128)
    case MemoryML507Key => XilinxML507MIGParams(address = Seq(AddressSet(0x80000000L,0x10000000L-1))) // 256 MiB
    case DTSTimebase => BigInt(1000000)
    case ExtMem => up(ExtMem).copy(size = 0x10000000L)
    case JtagDTMKey => new JtagDTMConfig (
      idcodeVersion = 2,      // 1 was legacy (FE310-G000, Acai).
      idcodePartNum = 0x000,  // Decided to simplify.
      idcodeManufId = 0x489,  // As Assigned by JEDEC to SiFive. Only used in wrappers / test harnesses.
      debugIdleCycles = 5)    // Reasonable guess for synchronization
  })
)