Initial commit.
This commit is contained in:
37
src/main/scala/everywhere/e300artydevkit/Configs.scala
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37
src/main/scala/everywhere/e300artydevkit/Configs.scala
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@ -0,0 +1,37 @@
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// See LICENSE for license details.
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package sifive.freedom.everywhere.e300artydevkit
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import config._
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import coreplex._
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import rocketchip._
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class DefaultFreedomEConfig extends Config(
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new WithStatelessBridge ++
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new WithNBreakpoints(2) ++
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new WithRV32 ++
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new DefaultSmallConfig
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)
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class WithBootROMFile(bootROMFile: String) extends Config(
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(pname, site, here) => pname match {
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case BootROMFile => bootROMFile
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case _ => throw new CDEMatchError
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}
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)
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class E300ArtyDevKitConfig extends Config(
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new WithBootROMFile("./bootrom/e300artydevkit.img") ++
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new WithNExtTopInterrupts(0) ++
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new WithJtagDTM ++
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new WithL1ICacheSets(8192/32) ++ // 8 KiB **per set**
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new WithCacheBlockBytes(32) ++
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new WithL1ICacheWays(2) ++
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new WithDefaultBtb ++
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new WithFastMulDiv ++
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new WithDataScratchpad(16384) ++
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new WithNMemoryChannels(0) ++
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new WithoutFPU ++
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new WithTLMonitors ++
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new DefaultFreedomEConfig
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)
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230
src/main/scala/everywhere/e300artydevkit/Top.scala
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230
src/main/scala/everywhere/e300artydevkit/Top.scala
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@ -0,0 +1,230 @@
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// See LICENSE for license details.
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package sifive.freedom.everywhere.e300artydevkit
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import Chisel._
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import config._
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import diplomacy._
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import coreplex._
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import rocketchip._
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import uncore.devices.DebugBusIO
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import sifive.blocks.devices.gpio.{GPIOConfig, PeripheryGPIO, PeripheryGPIOBundle, PeripheryGPIOModule, GPIOPin, GPIOPinToIOF, GPIOPinIOFCtrl, GPIOInputPinCtrl, JTAGPinsIO, JTAGGPIOPort}
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import sifive.blocks.devices.mockaon.{MockAONConfig, PeripheryMockAON, PeripheryMockAONBundle, PeripheryMockAONModule, MockAONWrapperPadsIO}
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import sifive.blocks.devices.pwm.{PWMConfig, PeripheryPWM, PeripheryPWMBundle, PeripheryPWMModule, PWMGPIOPort}
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import sifive.blocks.devices.spi.{SPIConfig, PeripherySPI, PeripherySPIBundle, PeripherySPIModule, SPIFlashConfig, PeripherySPIFlash, PeripherySPIFlashBundle, PeripherySPIFlashModule, SPIPinsIO, SPIGPIOPort}
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import sifive.blocks.devices.uart.{UARTConfig, PeripheryUART, PeripheryUARTBundle, PeripheryUARTModule, UARTGPIOPort}
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import sifive.blocks.util.ResetCatchAndSync
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import util._
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// Coreplex and Periphery
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trait E300ArtyDevKitPeripheryConfigs {
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val mockAONConfig = MockAONConfig(address = 0x10000000)
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val gpioConfig = GPIOConfig(address = 0x10012000, width = 32)
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val pwmConfigs = List(
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PWMConfig(address = 0x10015000, cmpWidth = 8),
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PWMConfig(address = 0x10025000, cmpWidth = 16),
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PWMConfig(address = 0x10035000, cmpWidth = 16))
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val spiConfigs = List(
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SPIConfig(csWidth = 4, rAddress = 0x10024000, sampleDelay = 3),
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SPIConfig(csWidth = 1, rAddress = 0x10034000, sampleDelay = 3))
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val spiFlashConfig = SPIFlashConfig(
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fAddress = 0x20000000, rAddress = 0x10014000, sampleDelay = 3)
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val uartConfigs = List(
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UARTConfig(address = 0x10013000),
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UARTConfig(address = 0x10023000))
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}
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// This custom E300ArtyDevKit coreplex has no port into the L2 and no memory subsystem
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class E300ArtyDevKitCoreplex(implicit p: Parameters) extends BareCoreplex
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with CoreplexNetwork
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with CoreplexRISCVPlatform
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with RocketTiles {
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override lazy val module = new E300ArtyDevKitCoreplexModule(this, () => new E300ArtyDevKitCoreplexBundle(this))
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}
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class E300ArtyDevKitCoreplexBundle[+L <: E300ArtyDevKitCoreplex](_outer: L) extends BareCoreplexBundle(_outer)
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with CoreplexNetworkBundle
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with CoreplexRISCVPlatformBundle
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with RocketTilesBundle
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class E300ArtyDevKitCoreplexModule[+L <: E300ArtyDevKitCoreplex, +B <: E300ArtyDevKitCoreplexBundle[L]](_outer: L, _io: () => B)
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extends BareCoreplexModule(_outer, _io)
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with CoreplexNetworkModule
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with CoreplexRISCVPlatformModule
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with RocketTilesModule
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class E300ArtyDevKitSystem(implicit p: Parameters) extends BaseTop
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with E300ArtyDevKitPeripheryConfigs
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with PeripheryBootROM
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with PeripheryDebug
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with PeripheryMockAON
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with PeripheryUART
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with PeripherySPIFlash
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with PeripherySPI
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with PeripheryGPIO
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with PeripheryPWM
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with HardwiredResetVector {
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override lazy val module = new E300ArtyDevKitSystemModule(this, () => new E300ArtyDevKitSystemBundle(this))
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val coreplex = LazyModule(new E300ArtyDevKitCoreplex)
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socBus.node := coreplex.mmio
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coreplex.mmioInt := intBus.intnode
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}
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class E300ArtyDevKitSystemBundle[+L <: E300ArtyDevKitSystem](_outer: L) extends BaseTopBundle(_outer)
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with E300ArtyDevKitPeripheryConfigs
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with PeripheryBootROMBundle
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with PeripheryDebugBundle
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with PeripheryUARTBundle
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with PeripherySPIBundle
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with PeripheryGPIOBundle
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with PeripherySPIFlashBundle
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with PeripheryMockAONBundle
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with PeripheryPWMBundle
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with HardwiredResetVectorBundle
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class E300ArtyDevKitSystemModule[+L <: E300ArtyDevKitSystem, +B <: E300ArtyDevKitSystemBundle[L]](_outer: L, _io: () => B)
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extends BaseTopModule(_outer, _io)
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with E300ArtyDevKitPeripheryConfigs
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with PeripheryBootROMModule
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with PeripheryDebugModule
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with PeripheryUARTModule
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with PeripherySPIModule
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with PeripheryGPIOModule
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with PeripherySPIFlashModule
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with PeripheryMockAONModule
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with PeripheryPWMModule
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with HardwiredResetVectorModule
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// Top
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class E300ArtyDevKitTopIO(implicit val p: Parameters) extends Bundle with E300ArtyDevKitPeripheryConfigs {
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val pads = new Bundle {
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val jtag = new JTAGPinsIO
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val gpio = Vec(gpioConfig.width, new GPIOPin)
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val qspi = new SPIPinsIO(spiFlashConfig)
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val aon = new MockAONWrapperPadsIO()
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}
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}
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class E300ArtyDevKitTop(implicit val p: Parameters) extends Module with E300ArtyDevKitPeripheryConfigs {
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val sys = Module(LazyModule(new E300ArtyDevKitSystem).module)
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val io = new E300ArtyDevKitTopIO
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// This needs to be de-asserted synchronously to the coreClk.
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val async_corerst = sys.io.aon.rsts.corerst
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sys.reset := ResetCatchAndSync(clock, async_corerst, 20)
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// ------------------------------------------------------------
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// Check for unsupported RCT Connections
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// ------------------------------------------------------------
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require (p(NExtTopInterrupts) == 0, "No Top-level interrupts supported");
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// ------------------------------------------------------------
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// Build GPIO Pin Mux
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// ------------------------------------------------------------
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// Pin Mux for UART, SPI, PWM
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// First convert the System outputs into "IOF" using the respective *GPIOPort
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// converters.
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val sys_uarts = sys.io.uarts
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val sys_pwms = sys.io.pwms
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val sys_spis = sys.io.spis
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val uart_pins = uartConfigs.map { c => Module (new UARTGPIOPort) }
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val pwm_pins = pwmConfigs.map { c => Module (new PWMGPIOPort(c.bc)) }
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val spi_pins = spiConfigs.map { c => Module (new SPIGPIOPort(c)) }
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(uart_pins zip sys_uarts) map {case (p, r) => p.io.uart <> r}
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(pwm_pins zip sys_pwms) map {case (p, r) => p.io.pwm <> r}
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(spi_pins zip sys_spis) map {case (p, r) => p.io.spi <> r}
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// ------------------------------------------------------------
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// Default Pin connections before attaching pinmux
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for (iof_0 <- sys.io.gpio.iof_0) {
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iof_0.o := GPIOPinIOFCtrl()
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}
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for (iof_1 <- sys.io.gpio.iof_1) {
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iof_1.o := GPIOPinIOFCtrl()
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}
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// ------------------------------------------------------------
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// TODO: Make this mapping more programmatic.
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val iof_0 = sys.io.gpio.iof_0
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val iof_1 = sys.io.gpio.iof_1
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// SPI1 (0 is the dedicated)
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GPIOPinToIOF(spi_pins(0).io.pins.cs(0), iof_0(2))
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GPIOPinToIOF(spi_pins(0).io.pins.dq(0), iof_0(3))
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GPIOPinToIOF(spi_pins(0).io.pins.dq(1), iof_0(4))
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GPIOPinToIOF(spi_pins(0).io.pins.sck, iof_0(5))
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GPIOPinToIOF(spi_pins(0).io.pins.dq(2), iof_0(6))
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GPIOPinToIOF(spi_pins(0).io.pins.dq(3), iof_0(7))
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GPIOPinToIOF(spi_pins(0).io.pins.cs(1), iof_0(8))
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GPIOPinToIOF(spi_pins(0).io.pins.cs(2), iof_0(9))
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GPIOPinToIOF(spi_pins(0).io.pins.cs(3), iof_0(10))
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// SPI2
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GPIOPinToIOF(spi_pins(1).io.pins.cs(0), iof_0(26))
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GPIOPinToIOF(spi_pins(1).io.pins.dq(0), iof_0(27))
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GPIOPinToIOF(spi_pins(1).io.pins.dq(1), iof_0(28))
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GPIOPinToIOF(spi_pins(1).io.pins.sck, iof_0(29))
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GPIOPinToIOF(spi_pins(1).io.pins.dq(2), iof_0(30))
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GPIOPinToIOF(spi_pins(1).io.pins.dq(3), iof_0(31))
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// UART0
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GPIOPinToIOF(uart_pins(0).io.pins.rxd, iof_0(16))
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GPIOPinToIOF(uart_pins(0).io.pins.txd, iof_0(17))
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// UART1
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GPIOPinToIOF(uart_pins(1).io.pins.rxd, iof_0(24))
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GPIOPinToIOF(uart_pins(1).io.pins.txd, iof_0(25))
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//PWM
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GPIOPinToIOF(pwm_pins(0).io.pins.pwm(0), iof_1(0) )
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GPIOPinToIOF(pwm_pins(0).io.pins.pwm(1), iof_1(1) )
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GPIOPinToIOF(pwm_pins(0).io.pins.pwm(2), iof_1(2) )
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GPIOPinToIOF(pwm_pins(0).io.pins.pwm(3), iof_1(3) )
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GPIOPinToIOF(pwm_pins(1).io.pins.pwm(1), iof_1(19))
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GPIOPinToIOF(pwm_pins(1).io.pins.pwm(0), iof_1(20))
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GPIOPinToIOF(pwm_pins(1).io.pins.pwm(2), iof_1(21))
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GPIOPinToIOF(pwm_pins(1).io.pins.pwm(3), iof_1(22))
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GPIOPinToIOF(pwm_pins(2).io.pins.pwm(0), iof_1(10))
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GPIOPinToIOF(pwm_pins(2).io.pins.pwm(1), iof_1(11))
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GPIOPinToIOF(pwm_pins(2).io.pins.pwm(2), iof_1(12))
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GPIOPinToIOF(pwm_pins(2).io.pins.pwm(3), iof_1(13))
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// ------------------------------------------------------------
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// Drive actual Pads
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// ------------------------------------------------------------
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// Result of Pin Mux
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io.pads.gpio <> sys.io.gpio.pins
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val dedicated_spi_pins = Module (new SPIGPIOPort(spiFlashConfig, syncStages=3, driveStrength=Bool(true)))
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dedicated_spi_pins.clock := sys.clock
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dedicated_spi_pins.reset := sys.reset
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io.pads.qspi <> dedicated_spi_pins.io.pins
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dedicated_spi_pins.io.spi <> sys.io.qspi
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// JTAG Debug Interface
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val jtag_pins = Module (new JTAGGPIOPort(true))
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io.pads.jtag <> jtag_pins.io.pins
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sys.io.jtag.get <> jtag_pins.io.jtag
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// Override TRST to reset this logic IFF the core is in reset.
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// This will require 3 ticks of TCK before the debug logic
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// comes out of reset, but JTAG needs 5 ticks anyway.
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// This means that the "real" TRST is never actually used in this design.
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sys.io.jtag.get.TRST := ResetCatchAndSync(sys.io.jtag.get.TCK, async_corerst)
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// AON Pads
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io.pads.aon <> sys.io.aon.pads
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}
|
28
src/main/scala/unleashed/u500vc707devkit/Configs.scala
Normal file
28
src/main/scala/unleashed/u500vc707devkit/Configs.scala
Normal file
@ -0,0 +1,28 @@
|
||||
// See LICENSE for license details.
|
||||
package sifive.freedom.unleashed.u500vc707devkit
|
||||
|
||||
import config._
|
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import coreplex.{WithL1DCacheWays, WithSmallCores, WithoutFPU, BootROMFile}
|
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import rocketchip.{BaseConfig,WithRTCPeriod,WithJtagDTM}
|
||||
|
||||
// Don't use directly. Requires additional bootfile configuration
|
||||
class DefaultFreedomUConfig extends Config(
|
||||
new WithJtagDTM ++ new BaseConfig
|
||||
)
|
||||
|
||||
class WithBootROMFile(bootROMFile: String) extends Config(
|
||||
(pname, site, here) => pname match {
|
||||
case BootROMFile => bootROMFile
|
||||
case _ => throw new CDEMatchError
|
||||
}
|
||||
)
|
||||
|
||||
//----------------------------------------------------------------------------------
|
||||
// Freedom U500 VC707 Dev Kit
|
||||
|
||||
class U500VC707DevKitConfig extends Config(
|
||||
new WithBootROMFile("./bootrom/u500vc707devkit.img") ++
|
||||
new WithRTCPeriod(62) ++ //Default value of 100 generates 1 Mhz clock @ 100Mhz, then corrected in sbi_entry.c
|
||||
//Value 62 generates ~ 1Mhz clock @ 62.5Mhz
|
||||
new WithoutFPU ++
|
||||
new DefaultFreedomUConfig)
|
299
src/main/scala/unleashed/u500vc707devkit/Top.scala
Normal file
299
src/main/scala/unleashed/u500vc707devkit/Top.scala
Normal file
@ -0,0 +1,299 @@
|
||||
// See LICENSE for license details.
|
||||
package sifive.freedom.unleashed.u500vc707devkit
|
||||
|
||||
import Chisel._
|
||||
import config._
|
||||
import util._
|
||||
import junctions._
|
||||
import diplomacy._
|
||||
import uncore.tilelink._
|
||||
import uncore.devices._
|
||||
import uncore.util._
|
||||
import uncore.converters._
|
||||
import rocket._
|
||||
import coreplex._
|
||||
import rocketchip._
|
||||
|
||||
import sifive.blocks.devices.xilinxvc707mig._
|
||||
import sifive.blocks.devices.xilinxvc707pciex1._
|
||||
import sifive.blocks.devices.gpio.{GPIOConfig, PeripheryGPIO, PeripheryGPIOBundle, PeripheryGPIOModule}
|
||||
import sifive.blocks.devices.spi.{SPIConfig, PeripherySPI, PeripherySPIBundle, PeripherySPIModule}
|
||||
import sifive.blocks.devices.uart._
|
||||
import sifive.blocks.util.ResetCatchAndSync
|
||||
|
||||
trait PeripheryConfigs {
|
||||
val uartConfigs = List(UARTConfig(address = BigInt(0x54000000L)))
|
||||
val spiConfigs = List(SPIConfig(rAddress = BigInt(0x54001000L)))
|
||||
val gpioConfig = GPIOConfig(address = BigInt(0x54002000L), width = 4)
|
||||
}
|
||||
|
||||
class U500VC707DevKitSystem(implicit p: Parameters) extends BaseTop
|
||||
with PeripheryConfigs
|
||||
with PeripheryBootROM
|
||||
with PeripheryDebug
|
||||
with PeripheryCounter
|
||||
with PeripheryUART
|
||||
with PeripherySPI
|
||||
with PeripheryGPIO
|
||||
with PeripheryXilinxVC707MIG
|
||||
with PeripheryXilinxVC707PCIeX1
|
||||
with HardwiredResetVector
|
||||
with RocketPlexMaster {
|
||||
override lazy val module = new U500VC707DevKitSystemModule(this, () => new U500VC707DevKitSystemBundle(this))
|
||||
|
||||
// scalastyle:off method.length
|
||||
ConfigStringOutput.contents = Some {
|
||||
"""platform {
|
||||
| vendor ucb;
|
||||
| arch spike;
|
||||
|};
|
||||
|plic {
|
||||
| interface "plic";
|
||||
| ndevs 9;
|
||||
| priority { mem { 0x0c000000 0x0c00ffff; }; };
|
||||
| pending { mem { 0x0c001000 0x0c00107f; }; };
|
||||
| 0 {
|
||||
| 0 {
|
||||
| m {
|
||||
| ie { mem { 0x0c002000 0x0c00207f; }; };
|
||||
| ctl { mem { 0x0c200000 0x0c200007; }; };
|
||||
| };
|
||||
| s {
|
||||
| ie { mem { 0x0c002080 0x0c0020ff; }; };
|
||||
| ctl { mem { 0x0c201000 0x0c201007; }; };
|
||||
| };
|
||||
| };
|
||||
| };
|
||||
|};
|
||||
|pcie {
|
||||
| interface "xilinx-pcie-rv";
|
||||
| bus {
|
||||
| mem { 0x60000000 0x7fffffff; } { 0x200000000 0x3ffffffff; };
|
||||
| bus { 1 63; };
|
||||
| };
|
||||
| bridge {
|
||||
| mem { 0x50000000 0x53ffffff; };
|
||||
| bus 0;
|
||||
| irq 6;
|
||||
| };
|
||||
|};
|
||||
|leds {
|
||||
| interface "gpio";
|
||||
| ngpio 4;
|
||||
| mem { 0x54002000 0x54002003; };
|
||||
|};
|
||||
|rtc {
|
||||
| addr 0x200bff8;
|
||||
|};
|
||||
|ram {
|
||||
| 0 {
|
||||
| addr 0x80000000;
|
||||
| size 0x10000000;
|
||||
| };
|
||||
|};
|
||||
|uart {
|
||||
| addr 0x54000000;
|
||||
|};
|
||||
|core {
|
||||
| 0 {
|
||||
| 0 {
|
||||
| isa rv64ima;
|
||||
| timecmp 0x02004000;
|
||||
| ipi 0x02000000;
|
||||
| };
|
||||
| };
|
||||
|};
|
||||
|\u0000""".stripMargin
|
||||
}
|
||||
// scalastyle:on method.length
|
||||
}
|
||||
|
||||
class U500VC707DevKitSystemBundle[+L <: U500VC707DevKitSystem](_outer: L) extends BaseTopBundle(_outer)
|
||||
with PeripheryConfigs
|
||||
with PeripheryBootROMBundle
|
||||
with PeripheryDebugBundle
|
||||
with PeripheryCounterBundle
|
||||
with PeripheryUARTBundle
|
||||
with PeripherySPIBundle
|
||||
with PeripheryGPIOBundle
|
||||
with PeripheryXilinxVC707MIGBundle
|
||||
with PeripheryXilinxVC707PCIeX1Bundle
|
||||
with HardwiredResetVectorBundle
|
||||
with RocketPlexMasterBundle
|
||||
|
||||
class U500VC707DevKitSystemModule[+L <: U500VC707DevKitSystem, +B <: U500VC707DevKitSystemBundle[L]](_outer: L, _io: () => B) extends BaseTopModule(_outer, _io)
|
||||
with PeripheryConfigs
|
||||
with PeripheryBootROMModule
|
||||
with PeripheryDebugModule
|
||||
with PeripheryCounterModule
|
||||
with PeripheryUARTModule
|
||||
with PeripherySPIModule
|
||||
with PeripheryGPIOModule
|
||||
with PeripheryXilinxVC707MIGModule
|
||||
with PeripheryXilinxVC707PCIeX1Module
|
||||
with HardwiredResetVectorModule
|
||||
with RocketPlexMasterModule
|
||||
|
||||
/////
|
||||
|
||||
class ResetDone extends Module {
|
||||
//unused - in future io.resetdone can set rocketchip STOP_COND/PRINTF_COND
|
||||
val io = new Bundle{
|
||||
val reset = Bool(INPUT)
|
||||
val resetdone = Bool(OUTPUT)
|
||||
}
|
||||
val resetdonereg = Reg(init = Bool(false))
|
||||
val resetff = Reg(init = Bool(false))
|
||||
resetff := io.reset;
|
||||
resetdonereg := Mux( ((!io.reset)&&resetff), UInt("b1"), resetdonereg)
|
||||
io.resetdone := resetdonereg
|
||||
}
|
||||
|
||||
/////
|
||||
|
||||
class U500VC707DevKitIO(implicit val p: Parameters) extends Bundle
|
||||
with PeripheryConfigs
|
||||
with PeripheryUARTBundle
|
||||
with PeripherySPIBundle
|
||||
with PeripheryGPIOBundle
|
||||
{
|
||||
val debug = (!p(IncludeJtagDTM)).option(new DebugBusIO()(p).flip)
|
||||
val jtag = p(IncludeJtagDTM).option(new JTAGIO(true).flip)
|
||||
//MIG
|
||||
val xilinxvc707mig = new XilinxVC707MIGPads
|
||||
//PCIe
|
||||
val xilinxvc707pcie = new XilinxVC707PCIeX1Pads
|
||||
//Clocks
|
||||
val sys_clk_n = Bool(INPUT)
|
||||
val sys_clk_p = Bool(INPUT)
|
||||
val pcie_refclk_p = Bool(INPUT)
|
||||
val pcie_refclk_n = Bool(INPUT)
|
||||
//Reset
|
||||
val sys_reset = Bool(INPUT)
|
||||
//Misc outputs used in system.v
|
||||
val core_reset = Bool(OUTPUT)
|
||||
val core_clock = Clock(OUTPUT)
|
||||
}
|
||||
|
||||
/////
|
||||
|
||||
class U500VC707DevKitTop(implicit val p: Parameters) extends Module {
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// Instantiate U500 VC707 Dev Kit system (sys)
|
||||
// ------------------------------------------------------------
|
||||
val sys = Module(LazyModule(new U500VC707DevKitSystem).module)
|
||||
val io = new U500VC707DevKitIO
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// Clock and Reset
|
||||
// ------------------------------------------------------------
|
||||
val mig_mmcm_locked = Wire(Bool())
|
||||
val mig_sys_reset = Wire(Bool())
|
||||
val init_calib_complete = Wire(Bool())
|
||||
val mmcm_lock_pcie = Wire(Bool())
|
||||
val do_reset = Wire(Bool())
|
||||
val mig_clock = Wire(Clock())
|
||||
val mig_resetn = Wire(Bool())
|
||||
val top_resetn = Wire(Bool())
|
||||
val pcie_dat_reset = Wire(Bool())
|
||||
val pcie_dat_resetn = Wire(Bool())
|
||||
val pcie_cfg_reset = Wire(Bool())
|
||||
val pcie_cfg_resetn = Wire(Bool())
|
||||
val pcie_dat_clock = Wire(Clock())
|
||||
val pcie_cfg_clock = Wire(Clock())
|
||||
val top_clock = Wire(Clock())
|
||||
val top_reset = Wire(Bool())
|
||||
val mig_reset = Wire(Bool())
|
||||
|
||||
do_reset := !mig_mmcm_locked || !mmcm_lock_pcie || mig_sys_reset
|
||||
mig_resetn := !mig_reset
|
||||
top_resetn := !top_reset
|
||||
pcie_dat_resetn := !pcie_dat_reset
|
||||
pcie_cfg_resetn := !pcie_cfg_reset
|
||||
// For now, run the CPU synchronous to the PCIe data bus
|
||||
top_clock := pcie_dat_clock
|
||||
val safe_reset = Module(new vc707reset)
|
||||
safe_reset.io.areset := do_reset
|
||||
safe_reset.io.clock1 := mig_clock
|
||||
mig_reset := safe_reset.io.reset1
|
||||
safe_reset.io.clock2 := pcie_dat_clock
|
||||
pcie_dat_reset := safe_reset.io.reset2
|
||||
safe_reset.io.clock3 := pcie_cfg_clock
|
||||
pcie_cfg_reset := safe_reset.io.reset3
|
||||
safe_reset.io.clock4 := top_clock
|
||||
top_reset := safe_reset.io.reset4
|
||||
|
||||
sys.clock := top_clock
|
||||
sys.reset := top_reset
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// UART
|
||||
// ------------------------------------------------------------
|
||||
io.uarts <> sys.io.uarts
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// SPI
|
||||
// ------------------------------------------------------------
|
||||
io.spis <> sys.io.spis
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// GPIO
|
||||
// ------------------------------------------------------------
|
||||
io.gpio <> sys.io.gpio
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// MIG
|
||||
// ------------------------------------------------------------
|
||||
sys.io.xilinxvc707mig.sys_clk_p := io.sys_clk_p
|
||||
sys.io.xilinxvc707mig.sys_clk_n := io.sys_clk_n
|
||||
mig_clock := sys.io.xilinxvc707mig.ui_clk
|
||||
mig_sys_reset := sys.io.xilinxvc707mig.ui_clk_sync_rst
|
||||
mig_mmcm_locked := sys.io.xilinxvc707mig.mmcm_locked
|
||||
sys.io.xilinxvc707mig.aresetn := mig_resetn
|
||||
init_calib_complete := sys.io.xilinxvc707mig.init_calib_complete
|
||||
sys.io.xilinxvc707mig.sys_rst := io.sys_reset
|
||||
//the below bundle assignment is dangerous and relies on matching signal names
|
||||
// io.xilinxvc707 is of type XilinxVC707MIGPads
|
||||
// sys.io.xilinxvc707mig is of type XilinxVC707MIGIO
|
||||
io.xilinxvc707mig <> sys.io.xilinxvc707mig
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// PCIe
|
||||
// ------------------------------------------------------------
|
||||
sys.io.xilinxvc707pcie.axi_aresetn := pcie_dat_resetn
|
||||
pcie_dat_clock := sys.io.xilinxvc707pcie.axi_aclk_out
|
||||
pcie_cfg_clock := sys.io.xilinxvc707pcie.axi_ctl_aclk_out
|
||||
mmcm_lock_pcie := sys.io.xilinxvc707pcie.mmcm_lock
|
||||
sys.io.xilinxvc707pcie.axi_ctl_aresetn := pcie_dat_resetn
|
||||
sys.io.xilinxvc707pcie.REFCLK_rxp := io.pcie_refclk_p
|
||||
sys.io.xilinxvc707pcie.REFCLK_rxn := io.pcie_refclk_n
|
||||
//another dangerous bundle assignment which relies on matching signal names
|
||||
// io.xilinxvc707pcie is of type XilinxVC707PCIeX1Pads
|
||||
// sys.io.xilinxvc707pcie is of type XilinxVC707PCIeX1IO
|
||||
io.xilinxvc707pcie <> sys.io.xilinxvc707pcie
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// Debug
|
||||
// ------------------------------------------------------------
|
||||
if (p(IncludeJtagDTM)) {
|
||||
sys.io.jtag.get <> io.jtag.get
|
||||
//Override TRST to reset this logic IFF the core is in reset.
|
||||
// This will require 3 ticks of TCK before the debug logic
|
||||
// comes out of reset, but JTAG needs 5 ticks anyway.
|
||||
// This means that the "real" TRST is never actually used.
|
||||
sys.io.jtag.get.TRST := ResetCatchAndSync(sys.io.jtag.get.TCK, top_reset)
|
||||
}else{
|
||||
// SimDTM; only for simulation use
|
||||
sys.io.debug.get := io.debug.get
|
||||
// test_mode_clk shouldn't be used for simulation
|
||||
//sys.io.test_mode_clk := Bool(false).asClock
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// Misc outputs used in system.v
|
||||
// ------------------------------------------------------------
|
||||
io.core_clock := top_clock
|
||||
io.core_reset := top_reset
|
||||
|
||||
}
|
22
src/main/scala/unleashed/u500vc707devkit/vc707reset.scala
Normal file
22
src/main/scala/unleashed/u500vc707devkit/vc707reset.scala
Normal file
@ -0,0 +1,22 @@
|
||||
// See LICENSE for license details.
|
||||
package sifive.freedom.unleashed.u500vc707devkit
|
||||
|
||||
import Chisel._
|
||||
|
||||
//scalastyle:off
|
||||
//turn off linter: blackbox name must match verilog module
|
||||
class vc707reset() extends BlackBox
|
||||
{
|
||||
val io = new Bundle{
|
||||
val areset = Bool(INPUT)
|
||||
val clock1 = Clock(INPUT)
|
||||
val reset1 = Bool(OUTPUT)
|
||||
val clock2 = Clock(INPUT)
|
||||
val reset2 = Bool(OUTPUT)
|
||||
val clock3 = Clock(INPUT)
|
||||
val reset3 = Bool(OUTPUT)
|
||||
val clock4 = Clock(INPUT)
|
||||
val reset4 = Bool(OUTPUT)
|
||||
}
|
||||
}
|
||||
//scalastyle:on
|
Reference in New Issue
Block a user