X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fspi%2FTLSPI.scala;h=5c5b9bfe5409fd91a1bd411e16d5cbc420a14283;hb=c1872c574b1e471778ec28e6a782b6547e6917da;hp=f9954ce7c58d8189e135061388d1eb1871586e5f;hpb=45c491cd69b3dad347d88fdec3484d51814ee243;p=sifive-blocks.git diff --git a/src/main/scala/devices/spi/TLSPI.scala b/src/main/scala/devices/spi/TLSPI.scala index f9954ce..5c5b9bf 100644 --- a/src/main/scala/devices/spi/TLSPI.scala +++ b/src/main/scala/devices/spi/TLSPI.scala @@ -3,14 +3,13 @@ package sifive.blocks.devices.spi import Chisel._ import config._ -import uncore.tilelink2._ import diplomacy._ import regmapper._ -import junctions._ -import rocketchip.PeripheryBusConfig +import uncore.tilelink2._ + import sifive.blocks.util.{NonBlockingEnqueue, NonBlockingDequeue} -trait SPIConfigBase { +trait SPIParamsBase { val rAddress: BigInt val rSize: BigInt val rxDepth: Int @@ -30,10 +29,9 @@ trait SPIConfigBase { lazy val txDepthBits = log2Floor(txDepth) + 1 lazy val rxDepthBits = log2Floor(rxDepth) + 1 - lazy val bc = new SPIBundleConfig(csWidth) } -case class SPIConfig( +case class SPIParams( rAddress: BigInt, rSize: BigInt = 0x1000, rxDepth: Int = 8, @@ -43,24 +41,15 @@ case class SPIConfig( delayBits: Int = 8, divisorBits: Int = 12, sampleDelay: Int = 2) - extends SPIConfigBase { + extends SPIParamsBase { require(frameBits >= 4) require(sampleDelay >= 0) } -case class SPIBundleConfig(csWidth: Int) - { - def union(that: SPIBundleConfig): SPIBundleConfig = - SPIBundleConfig(scala.math.max(csWidth, that.csWidth)) - - def toSPIConfig: SPIConfig = new SPIConfig(rAddress = -1, - csWidth = csWidth) - } - -class SPITopBundle(val i: Vec[Vec[Bool]], val r: Vec[TLBundle]) extends Bundle +class SPITopBundle(val i: util.HeterogeneousBag[Vec[Bool]], val r: util.HeterogeneousBag[TLBundle]) extends Bundle -class SPITopModule[B <: SPITopBundle](c: SPIConfigBase, bundle: => B, outer: TLSPIBase) +class SPITopModule[B <: SPITopBundle](c: SPIParamsBase, bundle: => B, outer: TLSPIBase) extends LazyModuleImp(outer) { val io = new Bundle { @@ -118,13 +107,14 @@ class SPITopModule[B <: SPITopBundle](c: SPIConfigBase, bundle: => B, outer: TLS RegField.r(1, ip.rxwm))) } -abstract class TLSPIBase(c: SPIConfigBase)(implicit p: Parameters) extends LazyModule { +abstract class TLSPIBase(w: Int, c: SPIParamsBase)(implicit p: Parameters) extends LazyModule { require(isPow2(c.rSize)) - val rnode = TLRegisterNode(address = AddressSet(c.rAddress, c.rSize-1), beatBytes = p(PeripheryBusConfig).beatBytes) - val intnode = IntSourceNode(1) + val device = new SimpleDevice("spi", Seq("sifive,spi0")) + val rnode = TLRegisterNode(address = Seq(AddressSet(c.rAddress, c.rSize-1)), device = device, beatBytes = w) + val intnode = IntSourceNode(IntSourcePortSimple(resources = device.int)) } -class TLSPI(c: SPIConfig)(implicit p: Parameters) extends TLSPIBase(c)(p) { +class TLSPI(w: Int, c: SPIParams)(implicit p: Parameters) extends TLSPIBase(w,c)(p) { lazy val module = new SPITopModule(c, new SPITopBundle(intnode.bundleOut, rnode.bundleIn), this) { mac.io.link <> fifo.io.link rnode.regmap(regmapBase:_*)