X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fuart%2FUARTPeriphery.scala;h=00e5fdd856e5003fda3062050b8fe172a07d85f0;hb=015f87ec6b355c0876955b174d5b64300569d68d;hp=d42850f88eca4388a571ac86e47743c69406beef;hpb=0a80d1987d35046858c36a4fa462410b54a126f0;p=sifive-blocks.git diff --git a/src/main/scala/devices/uart/UARTPeriphery.scala b/src/main/scala/devices/uart/UARTPeriphery.scala index d42850f..00e5fdd 100644 --- a/src/main/scala/devices/uart/UARTPeriphery.scala +++ b/src/main/scala/devices/uart/UARTPeriphery.scala @@ -4,7 +4,7 @@ package sifive.blocks.devices.uart import Chisel._ import chisel3.experimental.{withClockAndReset} import freechips.rocketchip.config.Field -import freechips.rocketchip.coreplex.{HasPeripheryBus, HasInterruptBus} +import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusParams, HasInterruptBus} import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp} import sifive.blocks.devices.pinctrl.{Pin} import sifive.blocks.util.ShiftRegisterInit @@ -12,7 +12,8 @@ import sifive.blocks.util.ShiftRegisterInit case object PeripheryUARTKey extends Field[Seq[UARTParams]] trait HasPeripheryUART extends HasPeripheryBus with HasInterruptBus { - val uartParams = p(PeripheryUARTKey) + 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)) uart.node := pbus.toVariableWidthSlaves @@ -46,7 +47,7 @@ class UARTPins[T <: Pin] (pingen: () => T) extends Bundle { override def cloneType: this.type = this.getClass.getConstructors.head.newInstance(pingen).asInstanceOf[this.type] - def fromUARTPort(uart: UARTPortIO, clock: Clock, reset: Bool, syncStages: Int = 0) { + def fromPort(uart: UARTPortIO, clock: Clock, reset: Bool, syncStages: Int = 0) { withClockAndReset(clock, reset) { txd.outputPin(uart.txd) val rxd_t = rxd.inputPin()