X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fuart%2FUARTPeriphery.scala;h=f24cbadcdf2a1d39a5848797a40476f7a50b9dfe;hb=1feaefe4c5c8e36682f29508b8e5e2ee9c4d7038;hp=cb79845e4879f811dceda48ae6f1a3112537c69a;hpb=86010395adffd9ee4a42f5240b08bb0f243972ff;p=sifive-blocks.git diff --git a/src/main/scala/devices/uart/UARTPeriphery.scala b/src/main/scala/devices/uart/UARTPeriphery.scala index cb79845..f24cbad 100644 --- a/src/main/scala/devices/uart/UARTPeriphery.scala +++ b/src/main/scala/devices/uart/UARTPeriphery.scala @@ -4,18 +4,18 @@ package sifive.blocks.devices.uart import Chisel._ import chisel3.experimental.{withClockAndReset} import freechips.rocketchip.config.Field +import freechips.rocketchip.util.SynchronizerShiftRegInit import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusParams, HasInterruptBus} import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp} import sifive.blocks.devices.pinctrl.{Pin} -import sifive.blocks.util.ShiftRegisterInit case object PeripheryUARTKey extends Field[Seq[UARTParams]] trait HasPeripheryUART extends HasPeripheryBus with HasInterruptBus { - val uartParams = p(PeripheryUARTKey) - val divinit = (p(PeripheryBusParams).frequency / 115200).toInt + private val divinit = (p(PeripheryBusParams).frequency / 115200).toInt + val uartParams = p(PeripheryUARTKey).map(_.copy(divisorInit = divinit)) val uarts = uartParams map { params => - val uart = LazyModule(new TLUART(pbus.beatBytes, params.copy(divisorInit = divinit))) + val uart = LazyModule(new TLUART(pbus.beatBytes, params)) uart.node := pbus.toVariableWidthSlaves ibus.fromSync := uart.intnode uart @@ -51,7 +51,7 @@ class UARTPins[T <: Pin] (pingen: () => T) extends Bundle { withClockAndReset(clock, reset) { txd.outputPin(uart.txd) val rxd_t = rxd.inputPin() - uart.rxd := ShiftRegisterInit(rxd_t, syncStages, Bool(true)) + uart.rxd := SynchronizerShiftRegInit(rxd_t, n = syncStages, init = Bool(true)) } } }