Adds support for VCU118

Makefile.u500vcu118devkit

@@ -0,0 +1,24 @@
+# See LICENSE for license details.
+base_dir := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
+BUILD_DIR := $(base_dir)/builds/u500vcu118devkit
+FPGA_DIR := $(base_dir)/fpga-shells/xilinx
+MODEL := U500VCU118DevKitFPGAChip
+PROJECT := sifive.freedom.unleashed.u500vcu118devkit
+export CONFIG_PROJECT := sifive.freedom.unleashed.u500vcu118devkit
+export CONFIG := U500VCU118DevKitConfig
+export BOARD := vcu118
+export BOOTROM_DIR := $(base_dir)/bootrom/sdboot
+
+rocketchip_dir := $(base_dir)/rocket-chip
+sifiveblocks_dir := $(base_dir)/sifive-blocks
+VSRCS := \
+	$(rocketchip_dir)/vsrc/AsyncResetReg.v \
+	$(rocketchip_dir)/vsrc/plusarg_reader.v \
+	$(sifiveblocks_dir)/vsrc/SRLatch.v \
+	$(FPGA_DIR)/common/vsrc/PowerOnResetFPGAOnly.v \
+	$(FPGA_DIR)/$(BOARD)/vsrc/sdio.v \
+	$(FPGA_DIR)/$(BOARD)/vsrc/vcu118reset.v \
+	$(BUILD_DIR)/$(CONFIG_PROJECT).$(CONFIG).rom.v \
+	$(BUILD_DIR)/$(CONFIG_PROJECT).$(CONFIG).v
+
+include common.mk

bootrom/sdboot/sd.c

@@ -162,7 +162,7 @@ static int copy(void)
 	dputs("CMD18");
 	kprintf("LOADING  ");
 
-	REG32(spi, SPI_REG_SCKDIV) = (F_CLK / 20000000UL);
+	REG32(spi, SPI_REG_SCKDIV) = (F_CLK / 16666666UL);
 	if (sd_cmd(0x52, 0, 0xE1) != 0x00) {
 		sd_cmd_end();
 		return 1;

src/main/scala/unleashed/u500vcu118devkit/Config.scala

@@ -0,0 +1,54 @@
+// See LICENSE for license details.
+package sifive.freedom.unleashed.u500vcu118devkit
+
+import freechips.rocketchip.config._
+import freechips.rocketchip.subsystem._
+import freechips.rocketchip.devices.debug._
+import freechips.rocketchip.devices.tilelink._
+import freechips.rocketchip.diplomacy._
+import freechips.rocketchip.system._
+import freechips.rocketchip.tile._
+
+import sifive.blocks.devices.gpio._
+import sifive.blocks.devices.spi._
+import sifive.blocks.devices.uart._
+
+import sifive.fpgashells.devices.xilinx.xilinxvcu118mig.{MemoryXilinxDDRKey,XilinxVCU118MIGParams}
+
+// Default FreedomUVCU118Config
+class FreedomUVCU118Config extends Config(
+  new WithJtagDTM            ++
+  new WithNMemoryChannels(1) ++
+  new WithNBigCores(4)       ++
+  new BaseConfig
+)
+
+// Freedom U500 VCU118 Dev Kit Peripherals
+class U500VCU118DevKitPeripherals extends Config((site, here, up) => {
+  case PeripheryUARTKey => List(
+    UARTParams(address = BigInt(0x64000000L)))
+  case PeripherySPIKey => List(
+    SPIParams(rAddress = BigInt(0x64001000L)))
+  case PeripheryGPIOKey => List(
+    GPIOParams(address = BigInt(0x64002000L), width = 4))
+  case PeripheryMaskROMKey => List(
+    MaskROMParams(address = 0x10000, name = "BootROM"))
+})
+
+// Freedom U500 VCU118 Dev Kit
+class U500VCU118DevKitConfig extends Config(
+  new WithNExtTopInterrupts(0)   ++
+  new U500VCU118DevKitPeripherals ++
+  new FreedomUVCU118Config().alter((site,here,up) => {
+    case ErrorParams => ErrorParams(Seq(AddressSet(0x3000, 0xfff)), maxAtomic=site(XLen)/8, maxTransfer=128)
+    case PeripheryBusKey => up(PeripheryBusKey, site).copy(frequency = 50000000) // 50 MHz hperiphery
+    case MemoryXilinxDDRKey => XilinxVCU118MIGParams(address = Seq(AddressSet(0x80000000L,0x80000000L-1))) //2GB
+    case DTSTimebase => BigInt(1000000)
+    case ExtMem => up(ExtMem).copy(size = 0x80000000L)
+    case JtagDTMKey => new JtagDTMConfig (
+      idcodeVersion = 2,      // 1 was legacy (FE310-G000, Acai).
+      idcodePartNum = 0x000,  // Decided to simplify.
+      idcodeManufId = 0x489,  // As Assigned by JEDEC to SiFive. Only used in wrappers / test harnesses.
+      debugIdleCycles = 5)    // Reasonable guess for synchronization
+  })
+)

src/main/scala/unleashed/u500vcu118devkit/FPGAChip.scala

@@ -0,0 +1,70 @@
+// See LICENSE for license details.
+package sifive.freedom.unleashed.u500vcu118devkit
+
+import Chisel._
+import chisel3.experimental.{withClockAndReset}
+
+import freechips.rocketchip.config._
+import freechips.rocketchip.diplomacy._
+
+import sifive.blocks.devices.gpio._
+import sifive.blocks.devices.pinctrl.{BasePin}
+
+import sifive.fpgashells.shell.xilinx.vcu118shell._
+import sifive.fpgashells.ip.xilinx.{IOBUF}
+
+//-------------------------------------------------------------------------
+// PinGen
+//-------------------------------------------------------------------------
+
+object PinGen {
+  def apply(): BasePin = {
+    new BasePin()
+  }
+}
+
+//-------------------------------------------------------------------------
+// U500VCU118DevKitFPGAChip
+//-------------------------------------------------------------------------
+
+class U500VCU118DevKitFPGAChip(implicit override val p: Parameters)
+    extends VCU118Shell
+    with HasDDR3 {
+
+  //-----------------------------------------------------------------------
+  // DUT
+  //-----------------------------------------------------------------------
+
+  // Connect the clock to the 50 Mhz output from the PLL
+  dut_clock := clk50
+  withClockAndReset(dut_clock, dut_reset) {
+    val dut = Module(LazyModule(new U500VCU118DevKitSystem).module)
+
+    //---------------------------------------------------------------------
+    // Connect peripherals
+    //---------------------------------------------------------------------
+
+    connectDebugJTAG(dut)
+    connectSPI      (dut)
+    connectUART     (dut)
+    connectMIG      (dut)
+
+    //---------------------------------------------------------------------
+    // GPIO
+    //---------------------------------------------------------------------
+
+    val gpioParams = p(PeripheryGPIOKey)
+    val gpio_pins = Wire(new GPIOPins(() => PinGen(), gpioParams(0)))
+
+    GPIOPinsFromPort(gpio_pins, dut.gpio(0))
+
+    gpio_pins.pins.foreach { _.i.ival := Bool(false) }
+    //gpio_pins.pins.zipWithIndex.foreach {
+    //  case(pin, idx) => led(idx) := pin.o.oval
+    //}
+
+    // tie to zero
+    //for( idx <- 7 to 4 ) { led(idx) := false.B }
+  }
+
+}

src/main/scala/unleashed/u500vcu118devkit/System.scala

@@ -0,0 +1,45 @@
+// See LICENSE for license details.
+package sifive.freedom.unleashed.u500vcu118devkit
+
+import Chisel._
+
+import freechips.rocketchip.config._
+import freechips.rocketchip.subsystem._
+import freechips.rocketchip.devices.debug._
+import freechips.rocketchip.devices.tilelink._
+import freechips.rocketchip.diplomacy._
+import freechips.rocketchip.system._
+
+import sifive.blocks.devices.gpio._
+import sifive.blocks.devices.spi._
+import sifive.blocks.devices.uart._
+
+import sifive.fpgashells.devices.xilinx.xilinxvcu118mig._
+
+//-------------------------------------------------------------------------
+// U500VCU118DevKitSystem
+//-------------------------------------------------------------------------
+
+class U500VCU118DevKitSystem(implicit p: Parameters) extends RocketSubsystem
+    with HasPeripheryMaskROMSlave
+    with HasPeripheryDebug
+    with HasSystemErrorSlave
+    with HasPeripheryUART
+    with HasPeripherySPI
+    with HasPeripheryGPIO
+    with HasMemoryXilinxVCU118MIG {
+  override lazy val module = new U500VCU118DevKitSystemModule(this)
+}
+
+class U500VCU118DevKitSystemModule[+L <: U500VCU118DevKitSystem](_outer: L)
+  extends RocketSubsystemModuleImp(_outer)
+    with HasRTCModuleImp
+    with HasPeripheryDebugModuleImp
+    with HasPeripheryUARTModuleImp
+    with HasPeripherySPIModuleImp
+    with HasPeripheryGPIOModuleImp
+    with HasMemoryXilinxVCU118MIGModuleImp {
+  // Reset vector is set to the location of the mask rom
+  val maskROMParams = p(PeripheryMaskROMKey)
+  global_reset_vector := maskROMParams(0).address.U
+}