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revert module imp && fix for 4gb ram

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This commit is contained in:
Lori Li
2022-11-30 03:51:56 +09:00
parent 37f2578f6c
commit a2d1f16488
2 changed files with 62 additions and 50 deletions
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85
fpga/src/main/scala/vc707/TestHarness.scala
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@@ -26,8 +26,8 @@ class VC707FPGATestHarness(override implicit val p: Parameters) extends VC707She
// Order matters; ddr depends on sys_clock
val uart = Overlay(UARTOverlayKey, new UARTVC707ShellPlacer(this, UARTShellInput()))
val pcie = Overlay(PCIeOverlayKey, new PCIeVC707ShellPlacer(this, PCIeShellInput()))
val uart = Overlay(UARTOverlayKey, new UARTVC707ShellPlacer(this, UARTShellInput()))
val pcie = Overlay(PCIeOverlayKey, new PCIeVC707ShellPlacer(this, PCIeShellInput()))
val topDesign = LazyModule(p(BuildTop)(dp)).suggestName("chiptop")
@@ -63,8 +63,8 @@ class VC707FPGATestHarness(override implicit val p: Parameters) extends VC707She
dp(SPIOverlayKey).head.place(SPIDesignInput(dp(PeripherySPIKey).head, io_spi_bb))
/*** DDR ***/
val ddrNode = dp(DDROverlayKey).head.place(DDRDesignInput(dp(ExtTLMem).get.master.base, dutWrangler.node, harnessSysPLL)).overlayOutput.ddr
// Modify the last field of `DDRDesignInput` for 1GB RAM size
val ddrNode = dp(DDROverlayKey).head.place(DDRDesignInput(dp(ExtTLMem).get.master.base, dutWrangler.node, harnessSysPLL, true)).overlayOutput.ddr
// connect 1 mem. channel to the FPGA DDR
val inParams = topDesign match { case td: ChipTop =>
@@ -76,47 +76,52 @@ class VC707FPGATestHarness(override implicit val p: Parameters) extends VC707She
ddrNode := ddrClient
// module implementation
override lazy val module = new LazyRawModuleImp(this) with HasHarnessSignalReferences {
val reset = IO(Input(Bool()))
xdc.addBoardPin(reset, "reset")
override lazy val module = new VC707FPGATestHarnessImp(this)
}
val resetIBUF = Module(new IBUF)
resetIBUF.io.I := reset
class VC707FPGATestHarnessImp(_outer: VC707FPGATestHarness) extends LazyRawModuleImp(_outer) with HasHarnessSignalReferences {
val vc707Outer = _outer
val sysclk: Clock = sysClkNode.out.head._1.clock
// val sysclk: Clock = sys_clock.get() match {
// case Some(x: SysClockVC707PlacedOverlay) => x.clock
// }
val reset = IO(Input(Bool()))
_outer.xdc.addBoardPin(reset, "reset")
val powerOnReset: Bool = PowerOnResetFPGAOnly(sysclk)
sdc.addAsyncPath(Seq(powerOnReset))
val resetIBUF = Module(new IBUF)
resetIBUF.io.I := reset
val ereset: Bool = chiplink.get() match {
case Some(x: ChipLinkVC707PlacedOverlay) => !x.ereset_n
case _ => false.B
}
val sysclk: Clock = _outer.sysClkNode.out.head._1.clock
// val sysclk: Clock = sys_clock.get() match {
// case Some(x: SysClockVC707PlacedOverlay) => x.clock
// }
pllReset := (resetIBUF.io.O || powerOnReset || ereset)
val powerOnReset: Bool = PowerOnResetFPGAOnly(sysclk)
_outer.sdc.addAsyncPath(Seq(powerOnReset))
// reset setup
val hReset = Wire(Reset())
hReset := dutClock.in.head._1.reset
val buildtopClock = dutClock.in.head._1.clock
val buildtopReset = WireInit(hReset)
val dutReset = hReset.asAsyncReset
val success = false.B
childClock := buildtopClock
childReset := buildtopReset
// harness binders are non-lazy
topDesign match { case d: HasIOBinders =>
ApplyHarnessBinders(this, d.lazySystem, d.portMap)
}
// check the top-level reference clock is equal to the default
// non-exhaustive since you need all ChipTop clocks to equal the default
require(getRefClockFreq == p(DefaultClockFrequencyKey))
val ereset: Bool = _outer.chiplink.get() match {
case Some(x: ChipLinkVC707PlacedOverlay) => !x.ereset_n
case _ => false.B
}
_outer.pllReset := (resetIBUF.io.O || powerOnReset || ereset)
// reset setup
val hReset = Wire(Reset())
hReset := _outer.dutClock.in.head._1.reset
val buildtopClock = _outer.dutClock.in.head._1.clock
val buildtopReset = WireInit(hReset)
val dutReset = hReset.asAsyncReset
val success = false.B
childClock := buildtopClock
childReset := buildtopReset
// harness binders are non-lazy
_outer.topDesign match { case d: HasIOBinders =>
ApplyHarnessBinders(this, d.lazySystem, d.portMap)
}
// check the top-level reference clock is equal to the default
// non-exhaustive since you need all ChipTop clocks to equal the default
require(getRefClockFreq == p(DefaultClockFrequencyKey))
}