X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fuart%2FUARTPeriphery.scala;h=d1db77b9d4ab222b10f84dc012b14e09dc52a9db;hb=4fcf349adb9e66ea7d8cc5394de5d3e0a2340985;hp=5564fef60fd934473aabb779331411cb68188917;hpb=2139ab0d98a72072d3ab6116ab55b9e90b26cabe;p=sifive-blocks.git diff --git a/src/main/scala/devices/uart/UARTPeriphery.scala b/src/main/scala/devices/uart/UARTPeriphery.scala index 5564fef..d1db77b 100644 --- a/src/main/scala/devices/uart/UARTPeriphery.scala +++ b/src/main/scala/devices/uart/UARTPeriphery.scala @@ -4,18 +4,16 @@ package sifive.blocks.devices.uart import Chisel._ import chisel3.experimental.{withClockAndReset} import freechips.rocketchip.config.Field -import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusParams, HasInterruptBus} -import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp} -import sifive.blocks.devices.pinctrl.{Pin} -import sifive.blocks.util.ShiftRegisterInit +import freechips.rocketchip.coreplex.{HasPeripheryBus, PeripheryBusKey, HasInterruptBus} +import freechips.rocketchip.diplomacy.{LazyModule, LazyModuleImp} 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(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.copy(divisorInit = divinit))) + val uart = LazyModule(new TLUART(pbus.beatBytes, params)) uart.node := pbus.toVariableWidthSlaves ibus.fromSync := uart.intnode uart @@ -31,7 +29,7 @@ trait HasPeripheryUARTBundle { } -trait HasPeripheryUARTModuleImp extends LazyMultiIOModuleImp with HasPeripheryUARTBundle { +trait HasPeripheryUARTModuleImp extends LazyModuleImp with HasPeripheryUARTBundle { val outer: HasPeripheryUART val uart = IO(Vec(outer.uartParams.size, new UARTPortIO)) @@ -39,20 +37,3 @@ trait HasPeripheryUARTModuleImp extends LazyMultiIOModuleImp with HasPeripheryUA io <> device.module.io.port } } - -class UARTPins[T <: Pin] (pingen: () => T) extends Bundle { - val rxd = pingen() - val txd = pingen() - - 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) { - withClockAndReset(clock, reset) { - txd.outputPin(uart.txd) - val rxd_t = rxd.inputPin() - uart.rxd := ShiftRegisterInit(rxd_t, syncStages, Bool(true)) - } - } -} -