package sifive.blocks.devices.spi
import Chisel._
-import config.Field
-import diplomacy.{LazyModule,LazyMultiIOModuleImp}
-import rocketchip.HasSystemNetworks
-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 HasSystemNetworks {
+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_$i")
+ val spi = LazyModule(new TLSPI(pbus.beatBytes, params)).suggestName(name)
+ pbus.toVariableWidthSlave(name) { spi.rnode }
+ ibus.fromSync := spi.intnode
spi
}
}
trait HasPeripherySPIBundle {
- val spis: HeterogeneousBag[SPIPortIO]
+ val spi: HeterogeneousBag[SPIPortIO]
- def SPItoGPIOPins(dummy: Int = 1): Seq[SPIGPIOPort] = spis.map { s =>
- val pin = Module(new SPIGPIOPort(s.c))
- pin.io.spi <> s
- pin
- }
}
-trait HasPeripherySPIModuleImp extends LazyMultiIOModuleImp with HasPeripherySPIBundle {
+trait HasPeripherySPIModuleImp extends LazyModuleImp with HasPeripherySPIBundle {
val outer: HasPeripherySPI
- val spis = IO(HeterogeneousBag(outer.spiParams.map(new SPIPortIO(_))))
+ val spi = IO(HeterogeneousBag(outer.spiParams.map(new SPIPortIO(_))))
- (spis zip outer.spis).foreach { case (io, device) =>
+ (spi zip outer.spis).foreach { case (io, device) =>
io <> device.module.io.port
}
}
case object PeripherySPIFlashKey extends Field[Seq[SPIFlashParams]]
-trait HasPeripherySPIFlash extends HasSystemNetworks {
+trait HasPeripherySPIFlash { this: BaseSubsystem =>
val spiFlashParams = p(PeripherySPIFlashKey)
- val qspi = spiFlashParams map { params =>
- val qspi = LazyModule(new TLSPIFlash(peripheryBusBytes, params))
- qspi.rnode := TLFragmenter(peripheryBusBytes, cacheBlockBytes)(peripheryBus.node)
- qspi.fnode := TLFragmenter(1, cacheBlockBytes)(TLWidthWidget(peripheryBusBytes)(peripheryBus.node))
- intBus.intnode := qspi.intnode
+ val qspis = spiFlashParams.zipWithIndex.map { case(params, i) =>
+ val name = Some(s"qspi_$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 {
val qspi: HeterogeneousBag[SPIPortIO]
+
}
-trait HasPeripherySPIFlashModuleImp extends LazyMultiIOModuleImp with HasPeripherySPIFlashBundle {
+trait HasPeripherySPIFlashModuleImp extends LazyModuleImp with HasPeripherySPIFlashBundle {
val outer: HasPeripherySPIFlash
val qspi = IO(HeterogeneousBag(outer.spiFlashParams.map(new SPIPortIO(_))))
- (qspi zip outer.qspi) foreach { case (io, device) =>
+ (qspi zip outer.qspis) foreach { case (io, device) =>
io <> device.module.io.port
}
}
-