uart: use PeripheryBusKey (#38)

diff --git a/src/main/scala/devices/uart/UARTPeriphery.scala b/src/main/scala/devices/uart/UARTPeriphery.scala
index f29716c8a350f80fe1b23b11b9ef5b76557c46fa..de4392c8860ed9d2e07f40dea243fbb91ccb9a83 100644 (file)
--- a/src/main/scala/devices/uart/UARTPeriphery.scala
+++ b/src/main/scala/devices/uart/UARTPeriphery.scala
@@ -5,14 +5,14 @@ import Chisel._
 import chisel3.experimental.{withClockAndReset}
 import freechips.rocketchip.config.Field
 import freechips.rocketchip.util.SyncResetSynchronizerShiftReg
-import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusParams, HasInterruptBus}
+import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusKey, HasInterruptBus}
 import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp}
 import sifive.blocks.devices.pinctrl.{Pin}
 
 case object PeripheryUARTKey extends Field[Seq[UARTParams]]
 
 trait HasPeripheryUART extends HasPeripheryBus with HasInterruptBus {
-  private val divinit = (p(PeripheryBusParams).frequency / 115200).toInt
+  private val divinit = (p(PeripheryBusKey).frequency / 115200).toInt
   val uartParams = p(PeripheryUARTKey).map(_.copy(divisorInit = divinit))
   val uarts = uartParams map { params =>
     val uart = LazyModule(new TLUART(pbus.beatBytes, params))