Merge pull request #1358 from ucb-bar/detcip

Remove TLHelper, directly use tilelink node constructors
This commit is contained in:
Jerry Zhao
2023-02-28 15:17:10 -08:00
committed by GitHub
9 changed files with 25 additions and 27 deletions

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@@ -173,7 +173,7 @@ lazy val tracegen = (project in file("generators/tracegen"))
.settings(commonSettings)
lazy val icenet = (project in file("generators/icenet"))
.dependsOn(testchipip, rocketchip)
.dependsOn(rocketchip)
.settings(libraryDependencies ++= rocketLibDeps.value)
.settings(commonSettings)
@@ -209,7 +209,7 @@ lazy val sha3 = (project in file("generators/sha3"))
.settings(commonSettings)
lazy val gemmini = (project in file("generators/gemmini"))
.dependsOn(testchipip, rocketchip)
.dependsOn(rocketchip)
.settings(libraryDependencies ++= rocketLibDeps.value)
.settings(chiselTestSettings)
.settings(commonSettings)

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@@ -20,7 +20,7 @@ that writes zeros to the memory at a configured address.
:start-after: DOC include start: DigitalTop
:end-before: DOC include end: DigitalTop
We use ``TLHelper.makeClientNode`` to create a TileLink client node for us.
We use ``TLClientNode`` to create a TileLink client node for us.
We then connect the client node to the memory system through the front bus (fbus).
For more info on creating TileLink client nodes, take a look at :ref:`TileLink-Diplomacy-Reference/NodeTypes:Client Node`.

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@@ -16,8 +16,7 @@ on the C channel, and send grant acknowledgements on the E channel.
The L1 caches and DMA devices in RocketChip/Chipyard have client nodes.
You can add a TileLink client node to your LazyModule using the TLHelper
object from testchipip like so:
You can add a TileLink client node to your LazyModule like so:
.. literalinclude:: ../../generators/chipyard/src/main/scala/example/NodeTypes.scala
:language: scala
@@ -48,8 +47,7 @@ generators optimize the hardware by not arbitrating the client to managers with
address ranges that don't overlap with its visibility.
Inside your lazy module implementation, you can call ``node.out`` to get a
list of bundle/edge pairs. If you used the TLHelper, you only specified a
single client edge, so this list will only have one pair.
list of bundle/edge pairs.
The ``tl`` bundle is a Chisel hardware bundle that connects to the IO of this
module. It contains two (in the case of TL-UL and TL-UH) or five (in the case
@@ -65,8 +63,7 @@ Manager Node
------------
TileLink managers take requests from clients on the A channel and send
responses back on the D channel. You can create a manager node using the
TLHelper like so:
responses back on the D channel. You can create a manager like so:
.. literalinclude:: ../../generators/chipyard/src/main/scala/example/NodeTypes.scala
:language: scala

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@@ -5,14 +5,14 @@ import chisel3.util._
import freechips.rocketchip.subsystem.{BaseSubsystem, CacheBlockBytes}
import freechips.rocketchip.config.{Parameters, Field, Config}
import freechips.rocketchip.diplomacy.{LazyModule, LazyModuleImp, IdRange}
import testchipip.TLHelper
import freechips.rocketchip.tilelink._
case class InitZeroConfig(base: BigInt, size: BigInt)
case object InitZeroKey extends Field[Option[InitZeroConfig]](None)
class InitZero(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeClientNode(
name = "init-zero", sourceId = IdRange(0, 1))
val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
name = "init-zero", sourceId = IdRange(0, 1))))))
lazy val module = new InitZeroModuleImp(this)
}

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@@ -3,7 +3,6 @@ package chipyard.example
import freechips.rocketchip.config.Parameters
import freechips.rocketchip.diplomacy._
import freechips.rocketchip.tilelink._
import testchipip.TLHelper
// These modules are not meant to be synthesized.
// They are used as examples in the documentation and are only here
@@ -11,11 +10,11 @@ import testchipip.TLHelper
// DOC include start: MyClient
class MyClient(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeClientNode(TLMasterParameters.v1(
val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
name = "my-client",
sourceId = IdRange(0, 4),
requestFifo = true,
visibility = Seq(AddressSet(0x10000, 0xffff))))
visibility = Seq(AddressSet(0x10000, 0xffff)))))))
lazy val module = new LazyModuleImp(this) {
val (tl, edge) = node.out(0)
@@ -29,7 +28,7 @@ class MyClient(implicit p: Parameters) extends LazyModule {
class MyManager(implicit p: Parameters) extends LazyModule {
val device = new SimpleDevice("my-device", Seq("tutorial,my-device0"))
val beatBytes = 8
val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
address = Seq(AddressSet(0x20000, 0xfff)),
resources = device.reg,
regionType = RegionType.UNCACHED,
@@ -40,7 +39,7 @@ class MyManager(implicit p: Parameters) extends LazyModule {
supportsPutFull = TransferSizes(1, beatBytes),
supportsPutPartial = TransferSizes(1, beatBytes),
supportsHint = TransferSizes(1, beatBytes),
fifoId = Some(0)))
fifoId = Some(0))), beatBytes)))
lazy val module = new LazyModuleImp(this) {
val (tl, edge) = node.in(0)
@@ -50,7 +49,8 @@ class MyManager(implicit p: Parameters) extends LazyModule {
// DOC include start: MyClient1+MyClient2
class MyClient1(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeClientNode("my-client1", IdRange(0, 1))
val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
"my-client1", IdRange(0, 1))))))
lazy val module = new LazyModuleImp(this) {
// ...
@@ -58,7 +58,8 @@ class MyClient1(implicit p: Parameters) extends LazyModule {
}
class MyClient2(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeClientNode("my-client2", IdRange(0, 1))
val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
"my-client2", IdRange(0, 1))))))
lazy val module = new LazyModuleImp(this) {
// ...
@@ -83,8 +84,8 @@ class MyClientGroup(implicit p: Parameters) extends LazyModule {
// DOC include start: MyManagerGroup
class MyManager1(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
address = Seq(AddressSet(0x0, 0xfff))))
val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
address = Seq(AddressSet(0x0, 0xfff)))), beatBytes)))
lazy val module = new LazyModuleImp(this) {
// ...
@@ -92,8 +93,8 @@ class MyManager1(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
}
class MyManager2(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
address = Seq(AddressSet(0x1000, 0xfff))))
val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
address = Seq(AddressSet(0x1000, 0xfff)))), beatBytes)))
lazy val module = new LazyModuleImp(this) {
// ...

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@@ -27,4 +27,4 @@ index ec36a85f..c0c2849a 100644
+// .settings(commonSettings)
lazy val gemmini = (project in file("generators/gemmini"))
.dependsOn(testchipip, rocketchip)
.dependsOn(rocketchip)