src/main/scala/devices/gpio/GPIOPeriphery.scala

   1 // See LICENSE for license details.
   2 package sifive.blocks.devices.gpio
   3
   4 import Chisel._
   5 import config.Field
   6 import diplomacy.LazyModule
   7 import rocketchip.{
   8   HasTopLevelNetworks,
   9   HasTopLevelNetworksBundle,
  10   HasTopLevelNetworksModule
  11 }
  12 import uncore.tilelink2.TLFragmenter
  13
  14 case object PeripheryGPIOKey extends Field[GPIOParams]
  15
  16 trait HasPeripheryGPIO extends HasTopLevelNetworks {
  17   val gpioParams = p(PeripheryGPIOKey)
  18   val gpio = LazyModule(new TLGPIO(peripheryBusBytes, gpioParams))
  19   gpio.node := TLFragmenter(peripheryBusBytes, cacheBlockBytes)(peripheryBus.node)
  20   intBus.intnode := gpio.intnode
  21 }
  22
  23 trait HasPeripheryGPIOBundle extends HasTopLevelNetworksBundle {
  24   val outer: HasPeripheryGPIO
  25   val gpio = new GPIOPortIO(outer.gpioParams)
  26 }
  27
  28 trait HasPeripheryGPIOModule extends HasTopLevelNetworksModule {
  29   val outer: HasPeripheryGPIO
  30   val io: HasPeripheryGPIOBundle
  31   io.gpio <> outer.gpio.module.io.port
  32 }