1
0

separate Coreplex and TopLevel parameter traits

This commit is contained in:
Howard Mao 2016-08-10 09:49:56 -07:00
parent f95d319162
commit 0ee1ce4366
3 changed files with 38 additions and 34 deletions

View File

@ -41,12 +41,27 @@ case object ExportBusPort extends Field[Boolean]
/** Function for building Coreplex */ /** Function for building Coreplex */
case object BuildCoreplex extends Field[Parameters => Coreplex] case object BuildCoreplex extends Field[Parameters => Coreplex]
trait HasCoreplexParameters {
implicit val p: Parameters
lazy val nTiles = p(NTiles)
lazy val nCachedTilePorts = p(NCachedTileLinkPorts)
lazy val nUncachedTilePorts = p(NUncachedTileLinkPorts)
lazy val nMemChannels = p(NMemoryChannels)
lazy val nBanksPerMemChannel = p(NBanksPerMemoryChannel)
lazy val nBanks = nMemChannels*nBanksPerMemChannel
lazy val lsb = p(BankIdLSB)
lazy val outermostParams = p.alterPartial({ case TLId => "Outermost" })
lazy val outermostMMIOParams = p.alterPartial({ case TLId => "MMIO_Outermost" })
lazy val exportBus = p(ExportBusPort)
lazy val exportMMIO = p(ExportMMIOPort)
}
/** Wrapper around everything that isn't a Tile. /** Wrapper around everything that isn't a Tile.
* *
* Usually this is clocked and/or place-and-routed separately from the Tiles. * Usually this is clocked and/or place-and-routed separately from the Tiles.
*/ */
class Uncore(implicit val p: Parameters) extends Module class Uncore(implicit val p: Parameters) extends Module
with HasTopLevelParameters { with HasCoreplexParameters {
val io = new Bundle { val io = new Bundle {
val mem = Vec(nMemChannels, new ClientUncachedTileLinkIO()(outermostParams)) val mem = Vec(nMemChannels, new ClientUncachedTileLinkIO()(outermostParams))
@ -60,7 +75,7 @@ class Uncore(implicit val p: Parameters) extends Module
} }
val outmemsys = if (nCachedTilePorts + nUncachedTilePorts > 0) val outmemsys = if (nCachedTilePorts + nUncachedTilePorts > 0)
Module(new OuterMemorySystem) // NoC, LLC and SerDes Module(new DefaultOuterMemorySystem) // NoC, LLC and SerDes
else Module(new DummyOuterMemorySystem) else Module(new DummyOuterMemorySystem)
outmemsys.io.incoherent foreach (_ := false) outmemsys.io.incoherent foreach (_ := false)
outmemsys.io.tiles_uncached <> io.tiles_uncached outmemsys.io.tiles_uncached <> io.tiles_uncached
@ -126,8 +141,8 @@ class Uncore(implicit val p: Parameters) extends Module
} }
} }
abstract class AbstractOuterMemorySystem(implicit val p: Parameters) abstract class OuterMemorySystem(implicit val p: Parameters)
extends Module with HasTopLevelParameters { extends Module with HasCoreplexParameters {
val io = new Bundle { val io = new Bundle {
val tiles_cached = Vec(nCachedTilePorts, new ClientTileLinkIO).flip val tiles_cached = Vec(nCachedTilePorts, new ClientTileLinkIO).flip
val tiles_uncached = Vec(nUncachedTilePorts, new ClientUncachedTileLinkIO).flip val tiles_uncached = Vec(nUncachedTilePorts, new ClientUncachedTileLinkIO).flip
@ -139,7 +154,7 @@ abstract class AbstractOuterMemorySystem(implicit val p: Parameters)
} }
/** Use in place of OuterMemorySystem if there are no clients to connect. */ /** Use in place of OuterMemorySystem if there are no clients to connect. */
class DummyOuterMemorySystem(implicit p: Parameters) extends AbstractOuterMemorySystem()(p) { class DummyOuterMemorySystem(implicit p: Parameters) extends OuterMemorySystem()(p) {
require(nCachedTilePorts + nUncachedTilePorts == 0) require(nCachedTilePorts + nUncachedTilePorts == 0)
require(io.bus.isEmpty) require(io.bus.isEmpty)
@ -155,7 +170,7 @@ class DummyOuterMemorySystem(implicit p: Parameters) extends AbstractOuterMemory
/** The whole outer memory hierarchy, including a NoC, some kind of coherence /** The whole outer memory hierarchy, including a NoC, some kind of coherence
* manager agent, and a converter from TileLink to MemIO. * manager agent, and a converter from TileLink to MemIO.
*/ */
class OuterMemorySystem(implicit p: Parameters) extends AbstractOuterMemorySystem()(p) { class DefaultOuterMemorySystem(implicit p: Parameters) extends OuterMemorySystem()(p) {
// Create a simple L1toL2 NoC between the tiles and the banks of outer memory // Create a simple L1toL2 NoC between the tiles and the banks of outer memory
// Cached ports are first in client list, making sharerToClientId just an indentity function // Cached ports are first in client list, making sharerToClientId just an indentity function
// addrToBank is sed to hash physical addresses (of cache blocks) to banks (and thereby memory channels) // addrToBank is sed to hash physical addresses (of cache blocks) to banks (and thereby memory channels)
@ -212,15 +227,18 @@ class OuterMemorySystem(implicit p: Parameters) extends AbstractOuterMemorySyste
io.mem <> mem_ic.io.out io.mem <> mem_ic.io.out
} }
abstract class Coreplex(implicit val p: Parameters) extends Module class CoreplexIO(implicit val p: Parameters) extends ParameterizedBundle()(p)
with HasTopLevelParameters { with HasCoreplexParameters {
val io = new Bundle {
val mem = Vec(nMemChannels, new ClientUncachedTileLinkIO()(outermostParams)) val mem = Vec(nMemChannels, new ClientUncachedTileLinkIO()(outermostParams))
val bus = if (p(ExportBusPort)) Some(new ClientUncachedTileLinkIO().flip) else None val bus = if (p(ExportBusPort)) Some(new ClientUncachedTileLinkIO().flip) else None
val mmio = if(p(ExportMMIOPort)) Some(new ClientUncachedTileLinkIO()(outermostMMIOParams)) else None val mmio = if(p(ExportMMIOPort)) Some(new ClientUncachedTileLinkIO()(outermostMMIOParams)) else None
val interrupts = Vec(p(NExtInterrupts), Bool()).asInput val interrupts = Vec(p(NExtInterrupts), Bool()).asInput
val debug = new DebugBusIO()(p).flip val debug = new DebugBusIO()(p).flip
} }
abstract class Coreplex(implicit val p: Parameters) extends Module
with HasCoreplexParameters {
val io = new CoreplexIO
} }
class DefaultCoreplex(topParams: Parameters) extends Coreplex()(topParams) { class DefaultCoreplex(topParams: Parameters) extends Coreplex()(topParams) {

View File

@ -8,10 +8,8 @@ import uncore.agents._
case object ExportGroundTestStatus extends Field[Boolean] case object ExportGroundTestStatus extends Field[Boolean]
class DirectGroundTestTop(topParams: Parameters) extends Module class DirectGroundTestCoreplex(topParams: Parameters) extends Coreplex()(topParams) {
with HasTopLevelParameters { override val io = new CoreplexIO {
implicit val p = topParams
val io = new TopIO {
// Need to export this for FPGA testing, but not for simulator // Need to export this for FPGA testing, but not for simulator
val status = if (p(ExportGroundTestStatus)) Some(new GroundTestStatus) else None val status = if (p(ExportGroundTestStatus)) Some(new GroundTestStatus) else None
} }
@ -20,8 +18,8 @@ class DirectGroundTestTop(topParams: Parameters) extends Module
io.debug.req.ready := Bool(false) io.debug.req.ready := Bool(false)
io.debug.resp.valid := Bool(false) io.debug.resp.valid := Bool(false)
require(io.mmio_axi.isEmpty && io.mmio_ahb.isEmpty && io.mmio_tl.isEmpty) require(!exportMMIO)
require(io.mem_ahb.isEmpty && io.mem_tl.isEmpty) require(!exportBus)
require(nMemChannels == 1) require(nMemChannels == 1)
require(nTiles == 1) require(nTiles == 1)
@ -39,9 +37,8 @@ class DirectGroundTestTop(topParams: Parameters) extends Module
nBanksPerMemChannel, nMemChannels)(outermostParams)) nBanksPerMemChannel, nMemChannels)(outermostParams))
mem_ic.io.in <> test.io.mem mem_ic.io.in <> test.io.mem
io.mem_axi.zip(mem_ic.io.out).foreach { case (nasti, tl) => io.mem <> mem_ic.io.out
TopUtils.connectTilelinkNasti(nasti, tl)(outermostParams)
}
io.status.map { status => io.status.map { status =>
val s_running :: s_finished :: s_errored :: s_timeout :: Nil = Enum(Bits(), 4) val s_running :: s_finished :: s_errored :: s_timeout :: Nil = Enum(Bits(), 4)
val state = Reg(init = s_running) val state = Reg(init = s_running)

View File

@ -44,22 +44,11 @@ case object ExtMMIOPorts extends Field[Seq[AddrMapEntry]]
/** Utility trait for quick access to some relevant parameters */ /** Utility trait for quick access to some relevant parameters */
trait HasTopLevelParameters { trait HasTopLevelParameters {
implicit val p: Parameters implicit val p: Parameters
lazy val nTiles = p(NTiles)
lazy val nCachedTilePorts = p(NCachedTileLinkPorts)
lazy val nUncachedTilePorts = p(NUncachedTileLinkPorts)
lazy val csrAddrBits = 12
lazy val tMemChannels = p(TMemoryChannels) lazy val tMemChannels = p(TMemoryChannels)
lazy val nMemChannels = p(NMemoryChannels) lazy val nMemChannels = p(NMemoryChannels)
lazy val nMemAXIChannels = if (tMemChannels == BusType.AXI) nMemChannels else 0 lazy val nMemAXIChannels = if (tMemChannels == BusType.AXI) nMemChannels else 0
lazy val nMemAHBChannels = if (tMemChannels == BusType.AHB) nMemChannels else 0 lazy val nMemAHBChannels = if (tMemChannels == BusType.AHB) nMemChannels else 0
lazy val nMemTLChannels = if (tMemChannels == BusType.TL) nMemChannels else 0 lazy val nMemTLChannels = if (tMemChannels == BusType.TL) nMemChannels else 0
lazy val nBanksPerMemChannel = p(NBanksPerMemoryChannel)
lazy val nBanks = nMemChannels*nBanksPerMemChannel
lazy val lsb = p(BankIdLSB)
lazy val nMemReqs = p(NOutstandingMemReqsPerChannel)
lazy val mifAddrBits = p(MIFAddrBits)
lazy val mifDataBeats = p(MIFDataBeats)
lazy val xLen = p(XLen)
lazy val outermostParams = p.alterPartial({ case TLId => "Outermost" }) lazy val outermostParams = p.alterPartial({ case TLId => "Outermost" })
lazy val outermostMMIOParams = p.alterPartial({ case TLId => "MMIO_Outermost" }) lazy val outermostMMIOParams = p.alterPartial({ case TLId => "MMIO_Outermost" })
lazy val exportBus = p(ExportBusPort) lazy val exportBus = p(ExportBusPort)