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Merge remote-tracking branch 'secret/local-fpga-arty-harnessbinders' into local-fpga-support

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This commit is contained in:
abejgonzalez
2020-11-05 11:08:36 -08:00
parent c619df2c00 895dcd6831
commit 3994bcecdf
9 changed files with 203 additions and 501 deletions
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73
fpga/src/main/scala/arty/Configs.scala Normal file
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// See LICENSE for license details.
package chipyard.fpga.arty
import freechips.rocketchip.config._
import freechips.rocketchip.subsystem._
import freechips.rocketchip.devices.debug._
import freechips.rocketchip.devices.tilelink._
import freechips.rocketchip.diplomacy.{DTSModel, DTSTimebase}
import freechips.rocketchip.system._
import freechips.rocketchip.tile._
import sifive.blocks.devices.gpio._
import sifive.blocks.devices.pwm._
import sifive.blocks.devices.spi._
import sifive.blocks.devices.uart._
import sifive.blocks.devices.i2c._
import chipyard.{BuildSystem}
import chipyard.iobinders
class E300DevKitExtra extends Config((site, here, up) => {
case PeripheryGPIOKey => List(
GPIOParams(address = 0x10012000, width = 32, includeIOF = true))
case PeripheryPWMKey => List(
PWMParams(address = 0x10015000, cmpWidth = 8),
PWMParams(address = 0x10025000, cmpWidth = 16),
PWMParams(address = 0x10035000, cmpWidth = 16))
case PeripherySPIKey => List(
SPIParams(csWidth = 4, rAddress = 0x10024000, defaultSampleDel = 3),
SPIParams(csWidth = 1, rAddress = 0x10034000, defaultSampleDel = 3))
case PeripherySPIFlashKey => List(
SPIFlashParams(
fAddress = 0x20000000,
rAddress = 0x10014000,
defaultSampleDel = 3))
case PeripheryUARTKey => List(
UARTParams(address = 0x10013000),
UARTParams(address = 0x10023000))
case PeripheryI2CKey => List(
I2CParams(address = 0x10016000))
case DTSTimebase => BigInt(32768)
case JtagDTMKey => new JtagDTMConfig (
idcodeVersion = 2,
idcodePartNum = 0x000,
idcodeManufId = 0x489,
debugIdleCycles = 5)
})
class WithE300System extends Config((site, here, up) => {
case BuildSystem => (p: Parameters) => new E300DigitalTop()(p)
})
class E300ArtyDevKitConfig extends Config(
new WithE300System ++
new WithArtyJTAGHarnessBinder ++
new WithArtyUARTHarnessBinder ++
new chipyard.iobinders.WithDebugIOCells ++
new chipyard.iobinders.WithUARTIOCells ++
new E300DevKitExtra ++
new chipyard.config.WithBootROM ++
new chipyard.config.WithL2TLBs(1024) ++
new freechips.rocketchip.subsystem.With1TinyCore ++
new freechips.rocketchip.subsystem.WithNBanks(0) ++
new freechips.rocketchip.subsystem.WithNoMemPort ++
new freechips.rocketchip.subsystem.WithNMemoryChannels(0) ++
new freechips.rocketchip.subsystem.WithNBreakpoints(2) ++
new freechips.rocketchip.subsystem.WithJtagDTM ++
new freechips.rocketchip.subsystem.WithNoMMIOPort ++
new freechips.rocketchip.subsystem.WithNoSlavePort ++
new freechips.rocketchip.subsystem.WithInclusiveCache ++
new freechips.rocketchip.subsystem.WithNExtTopInterrupts(0) ++
new freechips.rocketchip.subsystem.WithIncoherentBusTopology ++
new freechips.rocketchip.system.BaseConfig)

21
fpga/src/main/scala/arty/DigitalTop.scala Normal file
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package chipyard.fpga.arty
import chisel3._
import freechips.rocketchip.subsystem._
import freechips.rocketchip.system._
import freechips.rocketchip.config.Parameters
import freechips.rocketchip.devices.tilelink._
import chipyard.{DigitalTop, DigitalTopModule}
// ------------------------------------
// E300 DigitalTop
// ------------------------------------
class E300DigitalTop(implicit p: Parameters) extends DigitalTop
{
override lazy val module = new E300DigitalTopModule(this)
}
class E300DigitalTopModule[+L <: E300DigitalTop](l: L) extends DigitalTopModule(l)

73
fpga/src/main/scala/arty/HarnessBinders.scala Normal file
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package chipyard.fpga.arty
import chisel3._
import chisel3.experimental.{Analog}
import freechips.rocketchip.config.{Field, Config, Parameters}
import freechips.rocketchip.diplomacy.{LazyModule, LazyModuleImpLike}
import freechips.rocketchip.amba.axi4.{AXI4Bundle, AXI4SlaveNode, AXI4MasterNode, AXI4EdgeParameters}
import freechips.rocketchip.devices.debug._
import freechips.rocketchip.jtag.{JTAGIO}
import freechips.rocketchip.system.{SimAXIMem}
import freechips.rocketchip.subsystem._
import sifive.blocks.devices.gpio._
import sifive.blocks.devices.uart._
import sifive.blocks.devices.spi._
import barstools.iocell.chisel._
import testchipip._
import chipyard.harness.OverrideHarnessBinder
import chipyard.HasHarnessSignalReferences
import chipyard.iobinders.GetSystemParameters
import tracegen.{TraceGenSystemModuleImp}
import icenet.{CanHavePeripheryIceNIC, SimNetwork, NicLoopback, NICKey, NICIOvonly}
import scala.reflect.{ClassTag}
import sifive.fpgashells.ip.xilinx.{IBUFG, IOBUF, PULLUP, PowerOnResetFPGAOnly}
class WithArtyJTAGHarnessBinder extends chipyard.harness.OverrideHarnessBinder({
(system: HasPeripheryDebugModuleImp, th: ArtyFPGATestHarness, ports: Seq[JTAGIO]) => {
// (system: HasPeripheryDebugModuleImp, th: ArtyFPGATestHarness, ports: Seq[Data]) => {
// ports.map {
// case d: ClockedDMIIO =>
// // Want to error here.
// case j: JTAGIO =>
// //val dtm_success = WireInit(false.B)
// //when (dtm_success) { th.success := true.B }
// //val jtag = Module(new SimJTAG(tickDelay=3)).connect(j, th.harnessClock, th.harnessReset.asBool, ~(th.harnessReset.asBool), dtm_success)
// j.TCK.i.ival := IBUFG(IOBUF(th.jd_2).asClock).asUInt
// IOBUF(th.jd_5, j.TMS)
// PULLUP(th.jd_5)
// IOBUF(th.jd_4, j.TDI)
// PULLUP(th.jd_4)
// IOBUF(th.jd_0, j.TDO)
// // mimic putting a pullup on this line (part of reset vote)
// th.SRST_n := IOBUF(th.jd_6)
// PULLUP(th.jd_6)
// IOBUF(th.jd_1, j.TRSTn)
// PULLUP(th.jd_1)
// }
Nil
}
})
class WithArtyUARTHarnessBinder extends chipyard.harness.OverrideHarnessBinder({
(system: HasPeripheryUARTModuleImp, th: ArtyFPGATestHarness, ports: Seq[UARTPortIO]) => {
// (system: HasPeripheryUARTModuleImp, th: ArtyFPGATestHarness, ports: Seq[UARTPortIO]) => {
// UARTAdapter.connect(ports)(system.p)
// IOBUF(th.ck_io(2), ports.txd)
// IOBUF(th.ck_io(3), ports.rxd)
Nil
}
})

69
fpga/src/main/scala/arty/TestHarness.scala
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//package chipyard.fpga.arty
//
//import chisel3._
//import chisel3.experimental.{Analog}
//
//import freechips.rocketchip.diplomacy.{LazyModule}
//import freechips.rocketchip.config.{Parameters}
//
//import sifive.fpgashells.shell.xilinx.artyshell.{ArtyShell}
//
//import chipyard.{BuildTop, HasHarnessSignalReferences}
//
//class ArtyFPGATestHarness(override implicit val p: Parameters) extends ArtyShell with HasHarnessSignalReferences {
//
// val ldut = LazyModule(p(BuildTop)(p)).suggestName("chiptop")
//
// // turn IO clock into Reset type
// val hReset = Wire(Reset())
// hReset := ck_rst
//
// // default to 32MHz clock
// withClockAndReset(clock_32MHz, hReset) {
// val dut = Module(ldut.module)
// }
//
// val harnessClock = clock_32MHz
// val harnessReset = hReset
// val success = false.B
// val dutReset = hReset
//
// // must be after HasHarnessSignalReferences assignments
// ldut.harnessFunctions.foreach(_(this))
//}
//
package chipyard.fpga.arty
import chisel3._
import chisel3.experimental.{Analog}
import scala.collection.mutable.{ArrayBuffer}
import freechips.rocketchip.diplomacy.{LazyModule}
import freechips.rocketchip.config.{Field, Parameters}
import sifive.fpgashells.shell.xilinx.artyshell.{ArtyShell}
import chipyard.{BuildTop, HasHarnessSignalReferences, HasTestHarnessFunctions}
import chipyard.harness.{ApplyHarnessBinders, HarnessBinders}
class ArtyFPGATestHarness(override implicit val p: Parameters) extends ArtyShell with HasHarnessSignalReferences {
val ldut = LazyModule(p(BuildTop)(p)).suggestName("chiptop")
// turn IO clock into Reset type
val hReset = Wire(Reset())
hReset := ck_rst
// default to 32MHz clock
withClockAndReset(clock_32MHz, hReset) {
val dut = Module(ldut.module)
}
val harnessClock = clock_32MHz
val harnessReset = hReset
val success = false.B
val dutReset = reset_core
// must be after HasHarnessSignalReferences assignments
ldut match { case d: HasTestHarnessFunctions =>
d.harnessFunctions.foreach(_(this))
ApplyHarnessBinders(this, d.lazySystem, p(HarnessBinders), d.portMap.toMap)
}
}

72
fpga/src/main/scala/arty/e300/Configs.scala
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//// See LICENSE for license details.
//package chipyard.fpga.arty.e300
//
//import freechips.rocketchip.config._
//import freechips.rocketchip.subsystem._
//import freechips.rocketchip.devices.debug._
//import freechips.rocketchip.devices.tilelink._
//import freechips.rocketchip.diplomacy.{DTSModel, DTSTimebase}
//import freechips.rocketchip.system._
//import freechips.rocketchip.tile._
//
//import sifive.blocks.devices.mockaon._
//import sifive.blocks.devices.gpio._
//import sifive.blocks.devices.pwm._
//import sifive.blocks.devices.spi._
//import sifive.blocks.devices.uart._
//import sifive.blocks.devices.i2c._
//
//import chipyard.{BuildSystem}
//
//class E300DevKitExtra extends Config((site, here, up) => {
// case PeripheryGPIOKey => List(
// GPIOParams(address = 0x10012000, width = 32, includeIOF = true))
// case PeripheryPWMKey => List(
// PWMParams(address = 0x10015000, cmpWidth = 8),
// PWMParams(address = 0x10025000, cmpWidth = 16),
// PWMParams(address = 0x10035000, cmpWidth = 16))
// case PeripherySPIKey => List(
// SPIParams(csWidth = 4, rAddress = 0x10024000, defaultSampleDel = 3),
// SPIParams(csWidth = 1, rAddress = 0x10034000, defaultSampleDel = 3))
// case PeripherySPIFlashKey => List(
// SPIFlashParams(
// fAddress = 0x20000000,
// rAddress = 0x10014000,
// defaultSampleDel = 3))
// case PeripheryUARTKey => List(
// UARTParams(address = 0x10013000),
// UARTParams(address = 0x10023000))
// case PeripheryI2CKey => List(
// I2CParams(address = 0x10016000))
// case PeripheryMockAONKey =>
// MockAONParams(address = 0x10000000)
// case DTSTimebase => BigInt(32768)
// case JtagDTMKey => new JtagDTMConfig (
// idcodeVersion = 2,
// idcodePartNum = 0x000,
// idcodeManufId = 0x489,
// debugIdleCycles = 5)
//})
//
//class WithE300System extends Config((site, here, up) => {
// case BuildSystem => (p: Parameters) => new E300DigitalTop()(p)
//})
//
//class E300ArtyDevKitConfig extends Config(
// new WithE300System ++
// new WithE300Connections ++
// new E300DevKitExtra ++
// new chipyard.config.WithBootROM ++
// new chipyard.config.WithL2TLBs(1024) ++
// new freechips.rocketchip.subsystem.With1TinyCore ++
// new freechips.rocketchip.subsystem.WithNBanks(0) ++
// new freechips.rocketchip.subsystem.WithNoMemPort ++
// new freechips.rocketchip.subsystem.WithNMemoryChannels(0) ++
// new freechips.rocketchip.subsystem.WithNBreakpoints(2) ++
// new freechips.rocketchip.subsystem.WithJtagDTM ++
// new freechips.rocketchip.subsystem.WithNoMMIOPort ++
// new freechips.rocketchip.subsystem.WithNoSlavePort ++
// new freechips.rocketchip.subsystem.WithInclusiveCache ++
// new freechips.rocketchip.subsystem.WithNExtTopInterrupts(0) ++
// new freechips.rocketchip.subsystem.WithIncoherentBusTopology ++
// new freechips.rocketchip.system.BaseConfig)

23
fpga/src/main/scala/arty/e300/DigitalTop.scala
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//package chipyard.fpga.arty.e300
//
//import chisel3._
//
//import freechips.rocketchip.subsystem._
//import freechips.rocketchip.system._
//import freechips.rocketchip.config.Parameters
//import freechips.rocketchip.devices.tilelink._
//
//import chipyard.{DigitalTop, DigitalTopModule}
//
//// ------------------------------------
//// E300 DigitalTop
//// ------------------------------------
//
//class E300DigitalTop(implicit p: Parameters) extends DigitalTop
// with sifive.blocks.devices.mockaon.HasPeripheryMockAON
//{
// override lazy val module = new E300DigitalTopModule(this)
//}
//
//class E300DigitalTopModule[+L <: E300DigitalTop](l: L) extends DigitalTopModule(l)
// with sifive.blocks.devices.mockaon.HasPeripheryMockAONModuleImp

365
fpga/src/main/scala/arty/e300/IOBinders.scala
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//package chipyard.fpga.arty.e300
//
//import chisel3._
//import chisel3.experimental.{attach, IO}
//
//import freechips.rocketchip.util._
//import freechips.rocketchip.devices.debug._
//import freechips.rocketchip.subsystem.{NExtTopInterrupts}
//
//import sifive.blocks.devices.gpio._
//import sifive.blocks.devices.uart._
//import sifive.blocks.devices.spi._
//import sifive.blocks.devices.pwm._
//import sifive.blocks.devices.i2c._
//import sifive.blocks.devices.mockaon._
//import sifive.blocks.devices.jtag._
//import sifive.blocks.devices.pinctrl._
//
//import sifive.fpgashells.shell.xilinx.artyshell.{ArtyShell}
//import sifive.fpgashells.ip.xilinx.{IBUFG, IOBUF, PULLUP, PowerOnResetFPGAOnly}
//
//import chipsalliance.rocketchip.config._
//
//import chipyard.iobinders.{OverrideIOBinder, GetSystemParameters}
//import chipyard.{HasHarnessSignalReferences}
//
//class WithE300Connections extends OverrideIOBinder({
// (system: HasPeripheryGPIOModuleImp
// with HasPeripheryUARTModuleImp
// with HasPeripherySPIModuleImp
// with HasPeripheryDebugModuleImp
// with HasPeripheryPWMModuleImp
// with HasPeripherySPIFlashModuleImp
// with HasPeripheryMockAONModuleImp
// with HasPeripheryI2CModuleImp) => {
//
// implicit val p: Parameters = GetSystemParameters(system)
//
// //-----------------------------------------------------------------------
// //-----------------------------------------------------------------------
// // E300DigitalTop <-> ChipTop connections
// //-----------------------------------------------------------------------
// //-----------------------------------------------------------------------
//
// object PinGen {
// def apply(): BasePin = {
// val pin = new BasePin()
// pin
// }
// }
//
// val io_jtag = IO(new JTAGPins(() => PinGen(), false)).suggestName("jtag")
// val io_gpio = IO(new GPIOPins(() => PinGen(), p(PeripheryGPIOKey)(0))).suggestName("gpio")
// val io_qspi = IO(new SPIPins(() => PinGen(), p(PeripherySPIFlashKey)(0))).suggestName("qspi")
// val io_aon = IO(new MockAONWrapperPins()).suggestName("aon")
// val io_jtag_reset = IO(Input(Bool())).suggestName("jtag_reset")
// val io_ndreset = IO(Output(Bool())).suggestName("ndreset")
//
// // This needs to be de-asserted synchronously to the coreClk.
// val async_corerst = system.aon.rsts.corerst
// // Add in debug-controlled reset.
// system.reset := ResetCatchAndSync(system.clock, async_corerst, 20)
// Debug.connectDebugClockAndReset(system.debug, system.clock)
//
// //-----------------------------------------------------------------------
// // Check for unsupported rocket-chip connections
// //-----------------------------------------------------------------------
//
// require (p(NExtTopInterrupts) == 0, "No Top-level interrupts supported");
//
// //-----------------------------------------------------------------------
// // Build GPIO Pin Mux
// //-----------------------------------------------------------------------
// // Pin Mux for UART, SPI, PWM
// // First convert the System outputs into "IOF" using the respective *GPIOPort
// // converters.
//
// val sys_uart = system.uart
// val sys_pwm = system.pwm
// val sys_spi = system.spi
// val sys_i2c = system.i2c
//
// val uart_pins = p(PeripheryUARTKey).map { c => Wire(new UARTPins(() => PinGen()))}
// val pwm_pins = p(PeripheryPWMKey).map { c => Wire(new PWMPins(() => PinGen(), c))}
// val spi_pins = p(PeripherySPIKey).map { c => Wire(new SPIPins(() => PinGen(), c))}
// val i2c_pins = p(PeripheryI2CKey).map { c => Wire(new I2CPins(() => PinGen()))}
//
// (uart_pins zip sys_uart) map {case (p, r) => UARTPinsFromPort(p, r, clock = system.clock, reset = system.reset.asBool, syncStages = 0)}
// (pwm_pins zip sys_pwm) map {case (p, r) => PWMPinsFromPort(p, r) }
// (spi_pins zip sys_spi) map {case (p, r) => SPIPinsFromPort(p, r, clock = system.clock, reset = system.reset.asBool, syncStages = 0)}
// (i2c_pins zip sys_i2c) map {case (p, r) => I2CPinsFromPort(p, r, clock = system.clock, reset = system.reset.asBool, syncStages = 0)}
//
// //-----------------------------------------------------------------------
// // Default Pin connections before attaching pinmux
//
// for (iof_0 <- system.gpio(0).iof_0.get) {
// iof_0.default()
// }
//
// for (iof_1 <- system.gpio(0).iof_1.get) {
// iof_1.default()
// }
//
// //-----------------------------------------------------------------------
//
// val iof_0 = system.gpio(0).iof_0.get
// val iof_1 = system.gpio(0).iof_1.get
//
// // SPI1 (0 is the dedicated)
// BasePinToIOF(spi_pins(0).cs(0), iof_0(2))
// BasePinToIOF(spi_pins(0).dq(0), iof_0(3))
// BasePinToIOF(spi_pins(0).dq(1), iof_0(4))
// BasePinToIOF(spi_pins(0).sck, iof_0(5))
// BasePinToIOF(spi_pins(0).dq(2), iof_0(6))
// BasePinToIOF(spi_pins(0).dq(3), iof_0(7))
// BasePinToIOF(spi_pins(0).cs(1), iof_0(8))
// BasePinToIOF(spi_pins(0).cs(2), iof_0(9))
// BasePinToIOF(spi_pins(0).cs(3), iof_0(10))
//
// // SPI2
// BasePinToIOF(spi_pins(1).cs(0), iof_0(26))
// BasePinToIOF(spi_pins(1).dq(0), iof_0(27))
// BasePinToIOF(spi_pins(1).dq(1), iof_0(28))
// BasePinToIOF(spi_pins(1).sck, iof_0(29))
// BasePinToIOF(spi_pins(1).dq(2), iof_0(30))
// BasePinToIOF(spi_pins(1).dq(3), iof_0(31))
//
// // I2C
// if (p(PeripheryI2CKey).length == 1) {
// BasePinToIOF(i2c_pins(0).sda, iof_0(12))
// BasePinToIOF(i2c_pins(0).scl, iof_0(13))
// }
//
// // UART0
// BasePinToIOF(uart_pins(0).rxd, iof_0(16))
// BasePinToIOF(uart_pins(0).txd, iof_0(17))
//
// // UART1
// BasePinToIOF(uart_pins(1).rxd, iof_0(24))
// BasePinToIOF(uart_pins(1).txd, iof_0(25))
//
// //PWM
// BasePinToIOF(pwm_pins(0).pwm(0), iof_1(0) )
// BasePinToIOF(pwm_pins(0).pwm(1), iof_1(1) )
// BasePinToIOF(pwm_pins(0).pwm(2), iof_1(2) )
// BasePinToIOF(pwm_pins(0).pwm(3), iof_1(3) )
//
// BasePinToIOF(pwm_pins(1).pwm(1), iof_1(19))
// BasePinToIOF(pwm_pins(1).pwm(0), iof_1(20))
// BasePinToIOF(pwm_pins(1).pwm(2), iof_1(21))
// BasePinToIOF(pwm_pins(1).pwm(3), iof_1(22))
//
// BasePinToIOF(pwm_pins(2).pwm(0), iof_1(10))
// BasePinToIOF(pwm_pins(2).pwm(1), iof_1(11))
// BasePinToIOF(pwm_pins(2).pwm(2), iof_1(12))
// BasePinToIOF(pwm_pins(2).pwm(3), iof_1(13))
//
// //-----------------------------------------------------------------------
// // Drive actual Pads
// //-----------------------------------------------------------------------
//
// // Result of Pin Mux
// GPIOPinsFromPort(io_gpio, system.gpio(0))
//
// // Dedicated SPI Pads
// SPIPinsFromPort(io_qspi, system.qspi(0), clock = system.clock, reset = system.reset.asBool, syncStages = 3)
//
// // JTAG Debug Interface
// val sjtag = system.debug.get.systemjtag.get
// JTAGPinsFromPort(io_jtag, sjtag.jtag)
// sjtag.reset := io_jtag_reset
// sjtag.mfr_id := p(JtagDTMKey).idcodeManufId.U(11.W)
//
// io_ndreset := system.debug.get.ndreset
//
// // AON Pads -- direct connection is OK because
// // EnhancedPin is hard-coded in MockAONPads
// // and thus there is no .fromPort method.
// io_aon <> system.aon.pins
//
// //-----------------------------------------------------------------------
// //-----------------------------------------------------------------------
// // Harness Function (ArtyHarness <-> ChipTop)
// //-----------------------------------------------------------------------
// //-----------------------------------------------------------------------
// val harnessFn = (baseTh: HasHarnessSignalReferences) => {
// baseTh match { case th: ArtyShell =>
//
// //-----------------------------------------------------------------------
// // Clock divider
// //-----------------------------------------------------------------------
// val slow_clock = Wire(Bool())
//
// // Divide clock by 256, used to generate 32.768 kHz clock for AON block
// withClockAndReset(th.clock_8MHz, ~th.mmcm_locked) {
// val clockToggleReg = RegInit(false.B)
// val (_, slowTick) = chisel3.util.Counter(true.B, 256)
// when (slowTick) {clockToggleReg := ~clockToggleReg}
// slow_clock := clockToggleReg
// }
//
// //-----------------------------------------------------------------------
// // DUT
// //-----------------------------------------------------------------------
// withClockAndReset(th.clock_32MHz, th.ck_rst) {
//
// //---------------------------------------------------------------------
// // SPI flash IOBUFs
// //---------------------------------------------------------------------
//
// IOBUF(th.qspi_sck, io_qspi.sck)
// IOBUF(th.qspi_cs, io_qspi.cs(0))
//
// IOBUF(th.qspi_dq(0), io_qspi.dq(0))
// IOBUF(th.qspi_dq(1), io_qspi.dq(1))
// IOBUF(th.qspi_dq(2), io_qspi.dq(2))
// IOBUF(th.qspi_dq(3), io_qspi.dq(3))
//
// //---------------------------------------------------------------------
// // JTAG IOBUFs
// //---------------------------------------------------------------------
//
// io_jtag.TCK.i.ival := IBUFG(IOBUF(th.jd_2).asClock).asUInt
//
// IOBUF(th.jd_5, io_jtag.TMS)
// PULLUP(th.jd_5)
//
// IOBUF(th.jd_4, io_jtag.TDI)
// PULLUP(th.jd_4)
//
// IOBUF(th.jd_0, io_jtag.TDO)
//
// // mimic putting a pullup on this line (part of reset vote)
// th.SRST_n := IOBUF(th.jd_6)
// PULLUP(th.jd_6)
//
// // jtag reset
// val jtag_power_on_reset = PowerOnResetFPGAOnly(th.clock_32MHz)
// io_jtag_reset := jtag_power_on_reset
//
// // debug reset
// th.dut_ndreset := io_ndreset
//
// //---------------------------------------------------------------------
// // Assignment to package pins
// //---------------------------------------------------------------------
// // Pins IO0-IO13
// //
// // FTDI UART TX/RX are not connected to th.ck_io[0,1]
// // the way they are on Arduino boards. We copy outgoing
// // data to both places, switch 3 (sw[3]) determines whether
// // input to UART comes from FTDI chip or gpio_16 (shield pin PD0)
//
// val iobuf_ck0 = Module(new IOBUF())
// iobuf_ck0.io.I := io_gpio.pins(16).o.oval
// iobuf_ck0.io.T := ~io_gpio.pins(16).o.oe
// attach(iobuf_ck0.io.IO, th.ck_io(0)) // UART0 RX
//
// val iobuf_uart_txd = Module(new IOBUF())
// iobuf_uart_txd.io.I := io_gpio.pins(16).o.oval
// iobuf_uart_txd.io.T := ~io_gpio.pins(16).o.oe
// attach(iobuf_uart_txd.io.IO, th.uart_txd_in)
//
// // gpio(16) input is shared between FTDI TX pin and the Arduino shield pin using SW[3]
// val sw_3_in = IOBUF(th.sw_3)
// io_gpio.pins(16).i.ival := Mux(sw_3_in,
// iobuf_ck0.io.O & io_gpio.pins(16).o.ie,
// iobuf_uart_txd.io.O & io_gpio.pins(16).o.ie)
//
// IOBUF(th.uart_rxd_out, io_gpio.pins(17))
//
// // Shield header row 0: PD2-PD7
// IOBUF(th.ck_io(2), io_gpio.pins(18))
// IOBUF(th.ck_io(3), io_gpio.pins(19)) // PWM1(1)
// IOBUF(th.ck_io(4), io_gpio.pins(20)) // PWM1(0)
// IOBUF(th.ck_io(5), io_gpio.pins(21)) // PWM1(2)
// IOBUF(th.ck_io(6), io_gpio.pins(22)) // PWM1(3)
// IOBUF(th.ck_io(7), io_gpio.pins(23))
//
// // Header row 1: PB0-PB5
// IOBUF(th.ck_io(8), io_gpio.pins(0)) // PWM0(0)
// IOBUF(th.ck_io(9), io_gpio.pins(1)) // PWM0(1)
// IOBUF(th.ck_io(10), io_gpio.pins(2)) // SPI CS(0) / PWM0(2)
// IOBUF(th.ck_io(11), io_gpio.pins(3)) // SPI MOSI / PWM0(3)
// IOBUF(th.ck_io(12), io_gpio.pins(4)) // SPI MISO
// IOBUF(th.ck_io(13), io_gpio.pins(5)) // SPI SCK
//
// io_gpio.pins(6).i.ival := 0.U
// io_gpio.pins(7).i.ival := 0.U
// io_gpio.pins(8).i.ival := 0.U
//
// // Header row 3: A0-A5 (we don't support using them as analog inputs)
// // just treat them as regular digital GPIOs
// IOBUF(th.ck_io(15), io_gpio.pins(9)) // A1 = CS(2)
// IOBUF(th.ck_io(16), io_gpio.pins(10)) // A2 = CS(3) / PWM2(0)
// IOBUF(th.ck_io(17), io_gpio.pins(11)) // A3 = PWM2(1)
// IOBUF(th.ck_io(18), io_gpio.pins(12)) // A4 = PWM2(2) / SDA
// IOBUF(th.ck_io(19), io_gpio.pins(13)) // A5 = PWM2(3) / SCL
//
// // Mirror outputs of GPIOs with PWM peripherals to RGB LEDs on Arty
// // assign RGB LED0 R,G,B inputs = PWM0(1,2,3) when iof_1 is active
// IOBUF(th.led0_r, io_gpio.pins(1))
// IOBUF(th.led0_g, io_gpio.pins(2))
// IOBUF(th.led0_b, io_gpio.pins(3))
//
// // Note that this is the one which is actually connected on the HiFive/Crazy88
// // Board. Same with RGB LED1 R,G,B inputs = PWM1(1,2,3) when iof_1 is active
// IOBUF(th.led1_r, io_gpio.pins(19))
// IOBUF(th.led1_g, io_gpio.pins(21))
// IOBUF(th.led1_b, io_gpio.pins(22))
//
// // and RGB LED2 R,G,B inputs = PWM2(1,2,3) when iof_1 is active
// IOBUF(th.led2_r, io_gpio.pins(11))
// IOBUF(th.led2_g, io_gpio.pins(12))
// IOBUF(th.led2_b, io_gpio.pins(13))
//
// // Only 19 out of 20 shield pins connected to GPIO pins
// // Shield pin A5 (pin 14) left unconnected
// // The buttons are connected to some extra GPIO pins not connected on the
// // HiFive1 board
// IOBUF(th.btn_0, io_gpio.pins(15))
// IOBUF(th.btn_1, io_gpio.pins(30))
// IOBUF(th.btn_2, io_gpio.pins(31))
//
// val iobuf_btn_3 = Module(new IOBUF())
// iobuf_btn_3.io.I := ~io_aon.pmu.dwakeup_n.o.oval
// iobuf_btn_3.io.T := ~io_aon.pmu.dwakeup_n.o.oe
// attach(th.btn_3, iobuf_btn_3.io.IO)
// io_aon.pmu.dwakeup_n.i.ival := ~iobuf_btn_3.io.O & io_aon.pmu.dwakeup_n.o.ie
//
// // UART1 RX/TX pins are assigned to PMOD_D connector pins 0/1
// IOBUF(th.ja_0, io_gpio.pins(25)) // UART1 TX
// IOBUF(th.ja_1, io_gpio.pins(24)) // UART1 RX
//
// // SPI2 pins mapped to 6 pin ICSP connector (standard on later
// // arduinos) These are connected to some extra GPIO pins not connected
// // on the HiFive1 board
// IOBUF(th.ck_ss, io_gpio.pins(26))
// IOBUF(th.ck_mosi, io_gpio.pins(27))
// IOBUF(th.ck_miso, io_gpio.pins(28))
// IOBUF(th.ck_sck, io_gpio.pins(29))
//
// // Use the LEDs for some more useful debugging things
// IOBUF(th.led_0, th.ck_rst)
// IOBUF(th.led_1, th.SRST_n)
// IOBUF(th.led_2, io_aon.pmu.dwakeup_n.i.ival)
// IOBUF(th.led_3, io_gpio.pins(14))
//
// //---------------------------------------------------------------------
// // Unconnected inputs
// //---------------------------------------------------------------------
//
// io_aon.erst_n.i.ival := ~th.reset_periph
// io_aon.lfextclk.i.ival := slow_clock
// io_aon.pmu.vddpaden.i.ival := 1.U
// }
//
// Nil
// }
// }
//
// Seq((Nil, Nil, Some(harnessFn)))
// }
//})
//