Remove pluralization on interface names. Require clocks and resets explicitly when...

[sifive-blocks.git] / src / main / scala / devices / pwm / PWMPeriphery.scala

diff --git a/src/main/scala/devices/pwm/PWMPeriphery.scala b/src/main/scala/devices/pwm/PWMPeriphery.scala
index 86e9ad2f3f8756aca2db7300190f28131faf0497..31ad5f6f3a999dc32de46efc8b6149ce4beb7429 100644 (file)
--- a/src/main/scala/devices/pwm/PWMPeriphery.scala
+++ b/src/main/scala/devices/pwm/PWMPeriphery.scala
@@ -2,57 +2,51 @@
 package sifive.blocks.devices.pwm
 
 import Chisel._
-import config._
-import diplomacy.LazyModule
-import rocketchip.{TopNetwork,TopNetworkModule}
-import uncore.tilelink2.TLFragmenter
-
-import sifive.blocks.devices.gpio._
-
-class PWMPortIO(c: PWMBundleConfig)(implicit p: Parameters) extends Bundle {
+import freechips.rocketchip.config.Field
+import freechips.rocketchip.diplomacy.{LazyModule,LazyMultiIOModuleImp}
+import freechips.rocketchip.chip.HasSystemNetworks
+import freechips.rocketchip.tilelink.TLFragmenter
+import freechips.rocketchip.util.HeterogeneousBag
+import sifive.blocks.devices.pinctrl.{PinCtrl, Pin}
+
+class PWMPortIO(val c: PWMParams) extends Bundle {
   val port = Vec(c.ncmp, Bool()).asOutput
   override def cloneType: this.type = new PWMPortIO(c).asInstanceOf[this.type]
 }
 
-class PWMPinsIO(c: PWMBundleConfig)(implicit p: Parameters) extends Bundle {
-  val pwm = Vec(c.ncmp, new GPIOPin)
-}
+class PWMPins[T <: Pin] (pingen: ()=> T, val c: PWMParams) extends Bundle {
 
-class PWMGPIOPort(c: PWMBundleConfig)(implicit p: Parameters) extends Module {
-  val io = new Bundle {
-    val pwm = new PWMPortIO(c).flip()
-    val pins = new PWMPinsIO(c)
-  }
+  val pwm: Vec[T] = Vec(c.ncmp, pingen())
 
-  GPIOOutputPinCtrl(io.pins.pwm, io.pwm.port.asUInt)
+  def fromPWMPort(port: PWMPortIO) {
+    (pwm zip port.port)  foreach {case (pin, port) =>
+      pin.outputPin(port)
+    }
+  }
 }
 
-trait PeripheryPWM {
-  this: TopNetwork { val pwmConfigs: Seq[PWMConfig] } =>
+case object PeripheryPWMKey extends Field[Seq[PWMParams]]
 
-  val pwm = (pwmConfigs.zipWithIndex) map { case (c, i) =>
-    val pwm = LazyModule(new TLPWM(c))
-    pwm.node := TLFragmenter(peripheryBusConfig.beatBytes, cacheBlockBytes)(peripheryBus.node)
+trait HasPeripheryPWM extends HasSystemNetworks {
+  val pwmParams = p(PeripheryPWMKey)
+  val pwms = pwmParams map { params =>
+    val pwm = LazyModule(new TLPWM(peripheryBusBytes, params))
+    pwm.node := TLFragmenter(peripheryBusBytes, cacheBlockBytes)(peripheryBus.node)
     intBus.intnode := pwm.intnode
     pwm
   }
 }
 
-trait PeripheryPWMBundle {
-  this: {
-    val p: Parameters
-    val pwmConfigs: Seq[PWMConfig]
-  } =>
-  val pwm_bc = pwmConfigs.map(_.bc).reduce(_.union(_))
-  val pwms = Vec(pwmConfigs.size, new PWMPortIO(pwm_bc)(p))
+trait HasPeripheryPWMBundle {
+  val pwm: HeterogeneousBag[PWMPortIO]
+
 }
 
-trait PeripheryPWMModule {
-  this: TopNetworkModule {
-    val outer: PeripheryPWM
-    val io: PeripheryPWMBundle
-  } =>
-  (io.pwms.zipWithIndex zip outer.pwm) foreach { case ((io, i), device) =>
+trait HasPeripheryPWMModuleImp extends LazyMultiIOModuleImp with HasPeripheryPWMBundle {
+  val outer: HasPeripheryPWM
+  val pwm = IO(HeterogeneousBag(outer.pwmParams.map(new PWMPortIO(_))))
+
+  (pwm zip outer.pwms) foreach { case (io, device) =>
     io.port := device.module.io.gpio
   }
 }