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subsystem: more buswrapper coupling methods

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This commit is contained in:
Henry Cook
2018-02-22 23:45:21 -08:00
parent 78883d13e8
commit 099bbec666
5 changed files with 120 additions and 87 deletions
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25
src/main/scala/subsystem/FrontBus.scala
View File

@@ -17,29 +17,32 @@ class FrontBus(params: FrontBusParams, val crossing: SubsystemClockCrossing = Sy
with HasTLXbarPhy
with HasCrossing {
def fromPort[D,U,E,B <: Data](
name: Option[String] = None,
buffers: Int = 1)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle]): InwardNodeHandle[D,U,E,B] = {
def fromPort[D,U,E,B <: Data]
(name: Option[String] = None, buffers: Int = 1)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle] =
TLIdentity.gen): InwardNodeHandle[D,U,E,B] = {
from("port" named name) {
val nodes = TLFIFOFixer(TLFIFOFixer.all) +: TLBuffer.chain(buffers)
inwardNode :=* nodes.reduce(_ :=* _) :=* gen
}
}
def fromMaster(name: Option[String] = None, buffers: Int = 1)
(gen: => TLNode): TLInwardNode = {
from("master" named name) {
inwardNode :=* TLBuffer.chain(buffers).reduce(_ :=* _) :=* gen
}
def fromMasterNode( name: Option[String] = None, buffers: Int = 1)(gen: TLOutwardNode) {
from("master" named name) { bufferFrom(buffers) :=* gen }
}
def fromMaster[D,U,E,B <: Data]
(name: Option[String] = None, buffers: Int = 1)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle] =
TLIdentity.gen): InwardNodeHandle[D,U,E,B] = {
from("master" named name) { bufferFrom(buffers) :=* gen }
}
def fromCoherentChip(gen: => TLNode): TLInwardNode = {
from("coherent_subsystem") { inwardNode :=* gen }
}
def toSystemBus(buffer: BufferParams = BufferParams.none)
(gen: => TLInwardNode) {
def toSystemBus(buffer: BufferParams = BufferParams.none)(gen: => TLInwardNode) {
to("sbus") { gen :=* TLBuffer(buffer) :=* outwardNode }
}
}

35
src/main/scala/subsystem/MemoryBus.scala
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@@ -44,33 +44,34 @@ case object MemoryBusKey extends Field[MemoryBusParams]
class MemoryBus(params: MemoryBusParams)(implicit p: Parameters) extends TLBusWrapper(params, "memory_bus")(p)
with HasTLXbarPhy {
private def bufferTo(buffer: BufferParams): TLOutwardNode =
TLBuffer(buffer) :*= delayNode :*= outwardNode
def fromCoherenceManager(
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: => TLNode): TLInwardNode = {
from("coherence_manager" named name) {
inwardNode :*= TLBuffer(buffer) :*= gen
inwardNode := TLBuffer(buffer) := gen
}
}
def toDRAMController[D,U,E,B <: Data](
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: => NodeHandle[
TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,
D,U,E,B] = TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
def toDRAMController[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.none)
(gen: => NodeHandle[ TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle, D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("memory_controller" named name) { gen := bufferTo(buffer) }
}
def toVariableWidthSlave(
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: => TLNode): TLOutwardNode = {
to("slave" named name) {
gen :*= TLFragmenter(params.beatBytes, params.blockBytes) :*= bufferTo(buffer)
}
def toVariableWidthSlave[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.none)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) { gen :*= fragmentTo(buffer) }
}
def toFixedWidthSlave[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.none)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) { gen :*= fixedWidthTo(buffer) }
}
}

48
src/main/scala/subsystem/PeripheryBus.scala
View File

@@ -21,18 +21,6 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
with HasTLXbarPhy
with HasCrossing {
private def bufferTo(buffer: BufferParams): TLOutwardNode =
TLBuffer(buffer) :*= delayNode :*= outwardNode
private def bufferTo(buffers: Int): TLOutwardNode =
TLBuffer.chain(buffers).foldRight(delayNode)(_ :*= _) :*= outwardNode
private def fragmentTo(minSize: Int, maxSize: Int, buffer: BufferParams): TLOutwardNode =
TLFragmenter(minSize, maxSize) :*= bufferTo(buffer)
private def fixedWidthTo(buffer: BufferParams): TLOutwardNode =
TLWidthWidget(params.beatBytes) :*= bufferTo(buffer)
def toSlave[D,U,E,B <: Data](
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
@@ -42,6 +30,15 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
to("slave" named name) { gen :*= bufferTo(buffer) }
}
def toVariableWidthSlaveNode(
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: TLInwardNode) {
to("slave" named name) {
gen :*= fragmentTo(params.beatBytes, params.blockBytes, buffer)
}
}
def toVariableWidthSlave[D,U,E,B <: Data](
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
@@ -53,6 +50,13 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
}
}
def toFixedWidthSlaveNode(
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: TLInwardNode) {
to("slave" named name) { gen :*= fixedWidthTo(buffer) }
}
def toFixedWidthSlave[D,U,E,B <: Data](
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
@@ -62,6 +66,16 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
to("slave" named name) { gen :*= fixedWidthTo(buffer) }
}
def toFixedWidthSingleBeatSlaveNode(
widthBytes: Int,
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: TLInwardNode) {
to("slave" named name) {
gen :*= TLFragmenter(widthBytes, params.blockBytes) :*= fixedWidthTo(buffer)
}
}
def toFixedWidthSingleBeatSlave[D,U,E,B <: Data](
widthBytes: Int,
name: Option[String] = None,
@@ -108,7 +122,7 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: => TLNode): TLInwardNode = {
from("master" named name) { inwardNode :*= TLBuffer(buffer) :*= gen }
from("master" named name) { bufferFrom(buffer) :=* gen }
}
@@ -116,10 +130,8 @@ class PeripheryBus(params: PeripheryBusParams, val crossing: SubsystemClockCross
name: Option[String] = None,
buffers: Int = 0)
(gen: => TLNode): TLOutwardNode = {
to("tile" named name) {
FlipRendering { implicit p =>
gen :*= bufferTo(buffers)
}
}
to("tile" named name) { FlipRendering { implicit p =>
gen :*= bufferTo(buffers)
}}
}
}

77
src/main/scala/subsystem/SystemBus.scala
View File

@@ -20,12 +20,6 @@ class SystemBus(params: SystemBusParams)(implicit p: Parameters) extends TLBusWr
def busView = master_splitter.node.edges.in.head
private def bufferTo(buffer: BufferParams): TLOutwardNode =
TLBuffer(buffer) :*= delayNode :*= outwardNode
private def fixedWidthTo(buffer: BufferParams): TLOutwardNode =
TLWidthWidget(params.beatBytes) :*= bufferTo(buffer)
def toPeripheryBus(buffer: BufferParams = BufferParams.none)
(gen: => TLNode): TLOutwardNode = {
to("pbus") {
@@ -37,30 +31,34 @@ class SystemBus(params: SystemBusParams)(implicit p: Parameters) extends TLBusWr
}
def toMemoryBus(gen: => TLInwardNode) {
to("mbus") { gen :*= delayNode :*= outwardNode }
to("mbus") { gen := delayNode := outwardNode }
}
def toSlave(name: Option[String] = None, buffer: BufferParams = BufferParams.default)
(gen: => TLNode): TLOutwardNode = {
def toSlave[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.default)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) { gen :*= bufferTo(buffer) }
}
def toSplitSlave(name: Option[String] = None)
(gen: => TLNode): TLOutwardNode = {
def toSplitSlave[D,U,E,B <: Data]
(name: Option[String] = None)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) { gen :=* master_splitter.node }
}
def toFixedWidthSlave(
name: Option[String] = None,
buffer: BufferParams = BufferParams.none)
(gen: => TLNode): TLOutwardNode = {
def toFixedWidthSlave[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.none)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) { gen :*= fixedWidthTo(buffer) }
}
def toVariableWidthSlave(
name: Option[String] = None,
buffer: BufferParams = BufferParams.default)
(gen: => TLNode): TLOutwardNode = {
def toVariableWidthSlave[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.default)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("slave" named name) {
gen :*= TLFragmenter(params.beatBytes, params.blockBytes) :*= bufferTo(buffer)
}
@@ -70,10 +68,8 @@ class SystemBus(params: SystemBusParams)(implicit p: Parameters) extends TLBusWr
from("front_bus") { master_splitter.node :=* gen }
}
def fromTile(
name: Option[String],
buffers: Int = 0,
cork: Option[Boolean] = None)
def fromTile
(name: Option[String], buffers: Int = 0, cork: Option[Boolean] = None)
(gen: => TLNode): TLInwardNode = {
from("tile" named name) {
(List(master_splitter.node, TLFIFOFixer(TLFIFOFixer.allUncacheable)) ++ TLBuffer.chain(buffers))
@@ -81,17 +77,17 @@ class SystemBus(params: SystemBusParams)(implicit p: Parameters) extends TLBusWr
}
}
def toFixedWidthPort[D,U,E,B <: Data](
name: Option[String] = None,
buffer: BufferParams = BufferParams.default)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B]): OutwardNodeHandle[D,U,E,B] = {
def toFixedWidthPort[D,U,E,B <: Data]
(name: Option[String] = None, buffer: BufferParams = BufferParams.default)
(gen: => NodeHandle[TLClientPortParameters,TLManagerPortParameters,TLEdgeIn,TLBundle,D,U,E,B] =
TLIdentity.gen): OutwardNodeHandle[D,U,E,B] = {
to("port" named name) { gen := fixedWidthTo(buffer) }
}
def fromPort[D,U,E,B <: Data](
name: Option[String] = None,
buffers: Int = 0)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle]): InwardNodeHandle[D,U,E,B] = {
def fromPort[D,U,E,B <: Data]
(name: Option[String] = None, buffers: Int = 0)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle] =
TLIdentity.gen): InwardNodeHandle[D,U,E,B] = {
from("port" named name) {
(List(
master_splitter.node,
@@ -100,22 +96,21 @@ class SystemBus(params: SystemBusParams)(implicit p: Parameters) extends TLBusWr
}
}
def fromCoherentMaster(
name: Option[String] = None,
buffers: Int = 0)
(gen: => TLNode): TLInwardNode = {
def fromCoherentMaster[D,U,E,B <: Data]
(name: Option[String] = None, buffers: Int = 0)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle] =
TLIdentity.gen): InwardNodeHandle[D,U,E,B] = {
from("coherent_master" named name) {
(inwardNode
:=* TLFIFOFixer(TLFIFOFixer.all)
:=* TLBuffer.chain(buffers).reduce(_ :=* _)
:=* TLBuffer.chain(buffers).foldLeft(TLFIFOFixer(TLFIFOFixer.all))(_ :=* _)
:=* gen)
}
}
def fromMaster(
name: Option[String] = None,
buffers: Int = 0)
(gen: => TLNode): TLInwardNode = {
def fromMaster[D,U,E,B <: Data]
(name: Option[String] = None, buffers: Int = 0)
(gen: => NodeHandle[D,U,E,B,TLClientPortParameters,TLManagerPortParameters,TLEdgeOut,TLBundle] =
TLIdentity.gen): InwardNodeHandle[D,U,E,B] = {
from("master" named name) {
(master_splitter.node
:=* TLFIFOFixer(TLFIFOFixer.all)

22
src/main/scala/tilelink/BusWrapper.scala
View File

@@ -29,6 +29,28 @@ abstract class TLBusWrapper(params: HasTLBusParams, val busName: String)(implici
protected def inwardNode: TLInwardNode
protected def outwardNode: TLOutwardNode
protected def bufferFrom(buffer: BufferParams): TLInwardNode =
inwardNode :=* TLBuffer(buffer)
protected def bufferFrom(buffers: Int): TLInwardNode =
TLBuffer.chain(buffers).foldLeft(inwardNode)(_ :=* _)
protected def bufferTo(buffer: BufferParams): TLOutwardNode =
TLBuffer(buffer) :*= delayNode :*= outwardNode
protected def bufferTo(buffers: Int): TLOutwardNode =
TLBuffer.chain(buffers).foldRight(delayNode)(_ :*= _) :*= outwardNode
protected def fixedWidthTo(buffer: BufferParams): TLOutwardNode =
TLWidthWidget(beatBytes) :*= bufferTo(buffer)
protected def fragmentTo(buffer: BufferParams): TLOutwardNode =
TLFragmenter(beatBytes, blockBytes) :*= bufferTo(buffer)
protected def fragmentTo(minSize: Int, maxSize: Int, buffer: BufferParams): TLOutwardNode =
TLFragmenter(minSize, maxSize) :*= bufferTo(buffer)
protected def delayNode(implicit p: Parameters): TLNode = {
val delayProb = p(TLBusDelayProbability)
if (delayProb > 0.0) {