32 lines
1.8 KiB
Scala
32 lines
1.8 KiB
Scala
// See LICENSE.SiFive for license details.
|
|
|
|
package freechips.rocketchip.amba.ahb
|
|
|
|
import Chisel._
|
|
import chisel3.internal.sourceinfo.SourceInfo
|
|
import freechips.rocketchip.config.Parameters
|
|
import freechips.rocketchip.diplomacy._
|
|
|
|
object AHBImp extends SimpleNodeImp[AHBMasterPortParameters, AHBSlavePortParameters, AHBEdgeParameters, AHBBundle]
|
|
{
|
|
def edge(pd: AHBMasterPortParameters, pu: AHBSlavePortParameters, p: Parameters, sourceInfo: SourceInfo) = AHBEdgeParameters(pd, pu, p, sourceInfo)
|
|
def bundle(e: AHBEdgeParameters) = AHBBundle(e.bundle)
|
|
def render(e: AHBEdgeParameters) = RenderedEdge(colour = "#00ccff" /* bluish */, label = (e.slave.beatBytes * 8).toString)
|
|
|
|
override def mixO(pd: AHBMasterPortParameters, node: OutwardNode[AHBMasterPortParameters, AHBSlavePortParameters, AHBBundle]): AHBMasterPortParameters =
|
|
pd.copy(masters = pd.masters.map { c => c.copy (nodePath = node +: c.nodePath) })
|
|
override def mixI(pu: AHBSlavePortParameters, node: InwardNode[AHBMasterPortParameters, AHBSlavePortParameters, AHBBundle]): AHBSlavePortParameters =
|
|
pu.copy(slaves = pu.slaves.map { m => m.copy (nodePath = node +: m.nodePath) })
|
|
}
|
|
|
|
// Nodes implemented inside modules
|
|
case class AHBMasterNode(portParams: Seq[AHBMasterPortParameters])(implicit valName: ValName) extends SourceNode(AHBImp)(portParams)
|
|
case class AHBSlaveNode(portParams: Seq[AHBSlavePortParameters])(implicit valName: ValName) extends SinkNode(AHBImp)(portParams)
|
|
case class AHBNexusNode(
|
|
masterFn: Seq[AHBMasterPortParameters] => AHBMasterPortParameters,
|
|
slaveFn: Seq[AHBSlavePortParameters] => AHBSlavePortParameters)(
|
|
implicit valName: ValName)
|
|
extends NexusNode(AHBImp)(masterFn, slaveFn)
|
|
|
|
case class AHBIdentityNode()(implicit valName: ValName) extends IdentityNode(AHBImp)()
|