riscv/rocket-chip
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add multiclock support to Coreplex

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This commit is contained in:
Yunsup Lee
2016-09-21 16:54:35 -07:00
parent 8e63f4a1a5
commit 7afd630d3e
12 changed files with 442 additions and 204 deletions
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16
src/main/scala/rocketchip/BaseTop.scala
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@ -18,7 +18,7 @@ case object GlobalAddrMap extends Field[AddrMap]
case object ConfigString extends Field[String]
case object NCoreplexExtClients extends Field[Int]
/** Function for building Coreplex */
case object BuildCoreplex extends Field[(Parameters, CoreplexConfig) => Coreplex]
case object BuildCoreplex extends Field[(CoreplexConfig, Parameters) => BaseCoreplexModule[BaseCoreplex, BaseCoreplexBundle]]
/** Base Top with no Periphery */
abstract class BaseTop(q: Parameters) extends LazyModule {
@ -53,20 +53,22 @@ abstract class BaseTop(q: Parameters) extends LazyModule {
peripheryBus.node := TLBuffer(TLWidthWidget(TLHintHandler(legacy.node), legacy.tlDataBytes))
}
class BaseTopBundle(val p: Parameters, val c: Coreplex) extends ParameterizedBundle()(p) {
abstract class BaseTopBundle(val p: Parameters) extends Bundle {
val success = Bool(OUTPUT)
}
abstract class BaseTopModule[+L <: BaseTop, +B <: BaseTopBundle](val p: Parameters, l: L, b: Coreplex => B) extends LazyModuleImp(l) {
abstract class BaseTopModule[+L <: BaseTop, +B <: BaseTopBundle](
val p: Parameters, l: L, b: => B) extends LazyModuleImp(l) {
val outer: L = l
val io: B = b
val coreplex = p(BuildCoreplex)(p, outer.c)
val io: B = b(coreplex)
val coreplex = p(BuildCoreplex)(outer.c, p)
val coreplexIO = coreplex.io
val mmioNetwork =
Module(new TileLinkRecursiveInterconnect(1, p(GlobalAddrMap).subMap("io:ext"))(
p.alterPartial({ case TLId => "L2toMMIO" })))
mmioNetwork.io.in.head <> coreplex.io.master.mmio.get
mmioNetwork.io.in.head <> coreplexIO.master.mmio.get
outer.legacy.module.io.legacy <> mmioNetwork.port("TL2")
println("Generated Address Map")
@ -86,5 +88,5 @@ abstract class BaseTopModule[+L <: BaseTop, +B <: BaseTopBundle](val p: Paramete
println(p(ConfigString))
ConfigStringOutput.contents = Some(p(ConfigString))
io.success := coreplex.io.success
io.success := coreplexIO.success
}

2
src/main/scala/rocketchip/Configs.scala
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@ -40,7 +40,7 @@ class BasePlatformConfig extends Config(
idBits = Dump("MEM_ID_BITS", site(MIFTagBits)))
}
case BuildCoreplex =>
(p: Parameters, c: CoreplexConfig) => Module(new DefaultCoreplex(p, c))
(c: CoreplexConfig, p: Parameters) => uncore.tilelink2.LazyModule(new DefaultCoreplex(c)(p)).module
case NExtTopInterrupts => 2
// Note that PLIC asserts that this is > 0.
case AsyncDebugBus => false

59
src/main/scala/rocketchip/ExampleTop.scala
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@ -4,33 +4,66 @@ package rocketchip
import Chisel._
import cde.{Parameters, Field}
import coreplex.Coreplex
import junctions._
import coreplex._
import rocketchip._
/** Example Top with Periphery */
class ExampleTop(q: Parameters) extends BaseTop(q)
with PeripheryBootROM with PeripheryDebug with PeripheryExtInterrupts with PeripheryCoreplexLocalInterrupter
with PeripheryMasterMem with PeripheryMasterMMIO with PeripherySlave {
override lazy val module = Module(new ExampleTopModule(p, this, new ExampleTopBundle(p, _)))
with PeripheryBootROM
with PeripheryDebug
with PeripheryExtInterrupts
with PeripheryCoreplexLocalInterrupter
with PeripheryMasterMem
with PeripheryMasterMMIO
with PeripherySlave {
override lazy val module = Module(new ExampleTopModule(p, this, new ExampleTopBundle(p)))
}
class ExampleTopBundle(p: Parameters, c: Coreplex) extends BaseTopBundle(p, c)
with PeripheryBootROMBundle with PeripheryDebugBundle with PeripheryExtInterruptsBundle with PeripheryCoreplexLocalInterrupterBundle
with PeripheryMasterMemBundle with PeripheryMasterMMIOBundle with PeripherySlaveBundle
class ExampleTopBundle(p: Parameters) extends BaseTopBundle(p)
with PeripheryBootROMBundle
with PeripheryDebugBundle
with PeripheryExtInterruptsBundle
with PeripheryCoreplexLocalInterrupterBundle
with PeripheryMasterMemBundle
with PeripheryMasterMMIOBundle
with PeripherySlaveBundle
class ExampleTopModule[+L <: ExampleTop, +B <: ExampleTopBundle](p: Parameters, l: L, b: Coreplex => B) extends BaseTopModule(p, l, b)
with PeripheryBootROMModule with PeripheryDebugModule with PeripheryExtInterruptsModule with PeripheryCoreplexLocalInterrupterModule
with PeripheryMasterMemModule with PeripheryMasterMMIOModule with PeripherySlaveModule
class ExampleTopModule[+L <: ExampleTop, +B <: ExampleTopBundle](p: Parameters, l: L, b: => B) extends BaseTopModule(p, l, b)
with PeripheryBootROMModule
with PeripheryDebugModule
with PeripheryExtInterruptsModule
with PeripheryCoreplexLocalInterrupterModule
with PeripheryMasterMemModule
with PeripheryMasterMMIOModule
with PeripherySlaveModule
with HardwiredResetVector
/** Example Top with TestRAM */
class ExampleTopWithTestRAM(q: Parameters) extends ExampleTop(q)
with PeripheryTestRAM {
override lazy val module = Module(new ExampleTopWithTestRAMModule(p, this, new ExampleTopWithTestRAMBundle(p, _)))
override lazy val module = Module(new ExampleTopWithTestRAMModule(p, this, new ExampleTopWithTestRAMBundle(p)))
}
class ExampleTopWithTestRAMBundle(p: Parameters, c: Coreplex) extends ExampleTopBundle(p, c)
class ExampleTopWithTestRAMBundle(p: Parameters) extends ExampleTopBundle(p)
with PeripheryTestRAMBundle
class ExampleTopWithTestRAMModule[+L <: ExampleTopWithTestRAM, +B <: ExampleTopWithTestRAMBundle](p: Parameters, l: L, b: Coreplex => B) extends ExampleTopModule(p, l, b)
class ExampleTopWithTestRAMModule[+L <: ExampleTopWithTestRAM, +B <: ExampleTopWithTestRAMBundle](p: Parameters, l: L, b: => B) extends ExampleTopModule(p, l, b)
with PeripheryTestRAMModule
/** Example Top with Multi Clock */
class ExampleMultiClockTop(q: Parameters) extends ExampleTop(q)
with PeripheryTestRAM {
override lazy val module = Module(new ExampleMultiClockTopModule(p, this, new ExampleMultiClockTopBundle(p)))
}
class ExampleMultiClockTopBundle(p: Parameters) extends ExampleTopBundle(p)
class ExampleMultiClockTopModule[+L <: ExampleMultiClockTop, +B <: ExampleMultiClockTopBundle](p: Parameters, l: L, b: => B) extends ExampleTopModule(p, l, b) {
val multiClockCoreplexIO = coreplexIO.asInstanceOf[MultiClockCoreplexBundle]
multiClockCoreplexIO.trcs foreach { trc =>
trc.clock := clock
trc.reset := reset
}
}

30
src/main/scala/rocketchip/Periphery.scala
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@ -101,16 +101,16 @@ trait PeripheryDebugModule {
implicit val p: Parameters
val outer: PeripheryDebug
val io: PeripheryDebugBundle
val coreplex: Coreplex
val coreplexIO: BaseCoreplexBundle
if (p(IncludeJtagDTM)) {
// JtagDTMWithSync is a wrapper which
// handles the synchronization as well.
val dtm = Module (new JtagDTMWithSync()(p))
dtm.io.jtag <> io.jtag.get
coreplex.io.debug <> dtm.io.debug
coreplexIO.debug <> dtm.io.debug
} else {
coreplex.io.debug <>
coreplexIO.debug <>
(if (p(AsyncDebugBus)) AsyncDebugBusFrom(io.debug_clk.get, io.debug_rst.get, io.debug.get)
else io.debug.get)
}
@ -134,12 +134,12 @@ trait PeripheryExtInterruptsModule {
implicit val p: Parameters
val outer: PeripheryExtInterrupts
val io: PeripheryExtInterruptsBundle
val coreplex: Coreplex
val coreplexIO: BaseCoreplexBundle
{
val r = outer.pInterrupts.range("ext")
((r._1 until r._2) zipWithIndex) foreach { case (c, i) =>
coreplex.io.interrupts(c) := io.interrupts(i)
coreplexIO.interrupts(c) := io.interrupts(i)
}
}
}
@ -163,10 +163,10 @@ trait PeripheryMasterMemModule extends HasPeripheryParameters {
implicit val p: Parameters
val outer: PeripheryMasterMem
val io: PeripheryMasterMemBundle
val coreplex: Coreplex
val coreplexIO: BaseCoreplexBundle
// Abuse the fact that zip takes the shorter of the two lists
((io.mem_axi zip coreplex.io.master.mem) zipWithIndex) foreach { case ((axi, mem), idx) =>
((io.mem_axi zip coreplexIO.master.mem) zipWithIndex) foreach { case ((axi, mem), idx) =>
val axi_sync = PeripheryUtils.convertTLtoAXI(mem)(outermostParams)
axi_sync.ar.bits.cache := CACHE_NORMAL_NOCACHE_BUF
axi_sync.aw.bits.cache := CACHE_NORMAL_NOCACHE_BUF
@ -176,11 +176,11 @@ trait PeripheryMasterMemModule extends HasPeripheryParameters {
)
}
(io.mem_ahb zip coreplex.io.master.mem) foreach { case (ahb, mem) =>
(io.mem_ahb zip coreplexIO.master.mem) foreach { case (ahb, mem) =>
ahb <> PeripheryUtils.convertTLtoAHB(mem, atomics = false)(outermostParams)
}
(io.mem_tl zip coreplex.io.master.mem) foreach { case (tl, mem) =>
(io.mem_tl zip coreplexIO.master.mem) foreach { case (tl, mem) =>
tl <> TileLinkEnqueuer(mem, 2)(outermostParams)
}
}
@ -258,7 +258,7 @@ trait PeripherySlaveModule extends HasPeripheryParameters {
implicit val p: Parameters
val outer: PeripherySlave
val io: PeripherySlaveBundle
val coreplex: Coreplex
val coreplexIO: BaseCoreplexBundle
if (p(NExtBusAXIChannels) > 0) {
val arb = Module(new NastiArbiter(p(NExtBusAXIChannels)))
@ -273,7 +273,7 @@ trait PeripherySlaveModule extends HasPeripheryParameters {
val r = outer.pBusMasters.range("ext")
require(r._2 - r._1 == 1, "RangeManager should return 1 slot")
coreplex.io.slave(r._1) <> conv.io.tl
coreplexIO.slave(r._1) <> conv.io.tl
}
}
@ -299,10 +299,10 @@ trait PeripheryCoreplexLocalInterrupterModule extends HasPeripheryParameters {
implicit val p: Parameters
val outer: PeripheryCoreplexLocalInterrupter
val io: PeripheryCoreplexLocalInterrupterBundle
val coreplex: Coreplex
val coreplexIO: BaseCoreplexBundle
outer.clint.module.io.rtcTick := Counter(p(RTCPeriod)).inc()
coreplex.io.clint <> outer.clint.module.io.tiles
coreplexIO.clint <> outer.clint.module.io.tiles
}
/////
@ -371,6 +371,6 @@ trait PeripheryTestBusMasterModule {
/////
trait HardwiredResetVector {
val coreplex: Coreplex
coreplex.io.resetVector := UInt(0x1000) // boot ROM
val coreplexIO: BaseCoreplexBundle
coreplexIO.resetVector := UInt(0x1000) // boot ROM
}