spi: SPIParamsBase param needs to be public

[sifive-blocks.git] / src / main / scala / devices / spi / SPIPeriphery.scala

diff --git a/src/main/scala/devices/spi/SPIPeriphery.scala b/src/main/scala/devices/spi/SPIPeriphery.scala
index 1509ea73c7a38bfae1cb3e3182a8ee4f2aad9636..37fe3d9081beff59aa9106bc287b09c6acc952c9 100644 (file)
--- a/src/main/scala/devices/spi/SPIPeriphery.scala
+++ b/src/main/scala/devices/spi/SPIPeriphery.scala
@@ -2,58 +2,66 @@
 package sifive.blocks.devices.spi
 
 import Chisel._
-import config.Field
-import diplomacy.LazyModule
-import rocketchip.{
-  HasTopLevelNetworks,
-  HasTopLevelNetworksBundle,
-  HasTopLevelNetworksModule
-}
-import uncore.tilelink2.{TLFragmenter, TLWidthWidget}
-import util.HeterogeneousBag
+import freechips.rocketchip.config.Field
+import freechips.rocketchip.subsystem.BaseSubsystem
+import freechips.rocketchip.diplomacy.{LazyModule,LazyModuleImp,BufferParams}
+import freechips.rocketchip.tilelink.{TLFragmenter,TLBuffer}
+import freechips.rocketchip.util.HeterogeneousBag
 
 case object PeripherySPIKey extends Field[Seq[SPIParams]]
 
-trait HasPeripherySPI extends HasTopLevelNetworks {
+trait HasPeripherySPI { this: BaseSubsystem =>
   val spiParams = p(PeripherySPIKey)  
-  val spis = spiParams map { params =>
-    val spi = LazyModule(new TLSPI(peripheryBusBytes, params))
-    spi.rnode := TLFragmenter(peripheryBusBytes, cacheBlockBytes)(peripheryBus.node)
-    intBus.intnode := spi.intnode
+  val spis = spiParams.zipWithIndex.map { case(params, i) =>
+    val name = Some(s"spi_$i")
+    val spi = LazyModule(new TLSPI(pbus.beatBytes, params)).suggestName(name)
+    pbus.toVariableWidthSlave(name) { spi.rnode }
+    ibus.fromSync := spi.intnode
     spi
   }
 }
 
-trait HasPeripherySPIBundle extends HasTopLevelNetworksBundle {
-  val outer: HasPeripherySPI
-  val spis = HeterogeneousBag(outer.spiParams.map(new SPIPortIO(_)))
+trait HasPeripherySPIBundle {
+  val spi: HeterogeneousBag[SPIPortIO]
+
 }
 
-trait HasPeripherySPIModule extends HasTopLevelNetworksModule {
+trait HasPeripherySPIModuleImp extends LazyModuleImp with HasPeripherySPIBundle {
   val outer: HasPeripherySPI
-  val io: HasPeripherySPIBundle
-  (io.spis zip outer.spis).foreach { case (io, device) =>
+  val spi = IO(HeterogeneousBag(outer.spiParams.map(new SPIPortIO(_))))
+
+  (spi zip outer.spis).foreach { case (io, device) =>
     io <> device.module.io.port
   }
 }
 
-case object PeripherySPIFlashKey extends Field[SPIFlashParams]
+case object PeripherySPIFlashKey extends Field[Seq[SPIFlashParams]]
 
-trait HasPeripherySPIFlash extends HasTopLevelNetworks {
+trait HasPeripherySPIFlash { this: BaseSubsystem =>
   val spiFlashParams = p(PeripherySPIFlashKey)  
-  val qspi = LazyModule(new TLSPIFlash(peripheryBusBytes, spiFlashParams))
-  qspi.rnode := TLFragmenter(peripheryBusBytes, cacheBlockBytes)(peripheryBus.node)
-  qspi.fnode := TLFragmenter(1, cacheBlockBytes)(TLWidthWidget(peripheryBusBytes)(peripheryBus.node))
-  intBus.intnode := qspi.intnode
+  val qspis = spiFlashParams.zipWithIndex.map { case(params, i) =>
+    val name = Some(s"qspi_$i")
+    val qspi = LazyModule(new TLSPIFlash(pbus.beatBytes, params))
+    pbus.toVariableWidthSlave(name) { qspi.rnode }
+    qspi.fnode := pbus.toFixedWidthSlave(name) {
+      TLFragmenter(1, pbus.blockBytes) :=
+        TLBuffer(BufferParams(params.fBufferDepth), BufferParams.none)
+    }
+    ibus.fromSync := qspi.intnode
+    qspi
+  }
 }
 
-trait HasPeripherySPIFlashBundle extends HasTopLevelNetworksBundle {
-  val outer: HasPeripherySPIFlash 
-  val qspi = new SPIPortIO(outer.spiFlashParams)
+trait HasPeripherySPIFlashBundle {
+  val qspi: HeterogeneousBag[SPIPortIO]
+
 }
 
-trait HasPeripherySPIFlashModule extends HasTopLevelNetworksModule {
+trait HasPeripherySPIFlashModuleImp extends LazyModuleImp with HasPeripherySPIFlashBundle {
   val outer: HasPeripherySPIFlash
-  val io: HasPeripherySPIFlashBundle
-  io.qspi <> outer.qspi.module.io.port
+  val qspi = IO(HeterogeneousBag(outer.spiFlashParams.map(new SPIPortIO(_))))
+
+  (qspi zip outer.qspis) foreach { case (io, device) => 
+    io <> device.module.io.port
+  }
 }