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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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77
src/main/scala/subsystem/SystemBus.scala
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@ -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)