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Author SHA1 Message Date
Klemens Schölhorn
e9625bf8ee Add initial ML507Shell stub based on VC707Shell 2018-04-12 00:42:46 +02:00
2 changed files with 283 additions and 0 deletions
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8
src/main/scala/ip/xilinx/Xilinx.scala
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@@ -94,6 +94,14 @@ object PowerOnResetFPGAOnly {
}
}
// ML507 clock generation
class ml507_sys_clock extends BlackBox {
val io = new Bundle {
val CLKIN_IN = Bool(INPUT)
val CLKFX_OUT = Clock(OUTPUT)
}
}
//-------------------------------------------------------------------------
// vc707_sys_clock_mmcm
//-------------------------------------------------------------------------

275
src/main/scala/shell/xilinx/ML507Shell.scala Normal file
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@@ -0,0 +1,275 @@
// See LICENSE for license details.
package sifive.fpgashells.shell.xilinx.ml507shell
import Chisel._
import chisel3.core.{Input, Output, attach}
import chisel3.experimental.{RawModule, Analog, withClockAndReset}
import freechips.rocketchip.config._
import freechips.rocketchip.devices.debug._
import freechips.rocketchip.util.{SyncResetSynchronizerShiftReg, ElaborationArtefacts, HeterogeneousBag}
import sifive.blocks.devices.gpio._
import sifive.blocks.devices.spi._
import sifive.blocks.devices.uart._
import sifive.blocks.devices.chiplink._
import sifive.fpgashells.ip.xilinx.{IBUFDS, PowerOnResetFPGAOnly, sdio_spi_bridge, ml507_sys_clock , vc707reset}
//-------------------------------------------------------------------------
// ML507Shell
//-------------------------------------------------------------------------
// TODO: trait HasDDR2 { … }
trait HasDebugJTAG { this: ML507Shell =>
// JTAG
val jtag_TCK = IO(Input(Clock()))
val jtag_TMS = IO(Input(Bool()))
val jtag_TDI = IO(Input(Bool()))
val jtag_TDO = IO(Output(Bool()))
def connectDebugJTAG(dut: HasPeripheryDebugModuleImp, fmcxm105: Boolean = true): SystemJTAGIO = {
ElaborationArtefacts.add(
"""debugjtag.vivado.tcl""",
"""set vc707debugjtag_vivado_tcl_dir [file dirname [file normalize [info script]]]
add_files -fileset [current_fileset -constrset] [glob -directory $vc707debugjtag_vivado_tcl_dir {*.vc707debugjtag.xdc}]"""
)
if(fmcxm105) {
//VC707 constraints for Xilinx FMC XM105 Debug Card
ElaborationArtefacts.add(
"""vc707debugjtag.xdc""",
"""set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets jtag_TCK_IBUF]
set_property -dict { PACKAGE_PIN R32 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TCK}]
set_property -dict { PACKAGE_PIN W36 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TMS}]
set_property -dict { PACKAGE_PIN W37 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TDI}]
set_property -dict { PACKAGE_PIN V40 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TDO}] """
)
} else {
//VC707 constraints for Olimex connect to LCD panel header
ElaborationArtefacts.add(
"""vc707debugjtag.xdc""",
"""
#Olimex Pin Olimex Function LCD Pin LCD Function FPGA Pin
#1 VREF 14 5V
#3 TTRST_N 1 LCD_DB7 AN40
#5 TTDI 2 LCD_DB6 AR39
#7 TTMS 3 LCD_DB5 AR38
#9 TTCK 4 LCD_DB4 AT42
#11 TRTCK NC NC NC
#13 TTDO 9 LCD_E AT40
#15 TSRST_N 10 LCD_RW AR42
#2 VREF 14 5V
#18 GND 13 GND
set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets jtag_TCK_IBUF]
set_property -dict { PACKAGE_PIN AT42 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TCK}]
set_property -dict { PACKAGE_PIN AR38 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TMS}]
set_property -dict { PACKAGE_PIN AR39 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TDI}]
set_property -dict { PACKAGE_PIN AT40 IOSTANDARD LVCMOS18 PULLUP TRUE } [get_ports {jtag_TDO}] """
)
}
val djtag = dut.debug.systemjtag.get
djtag.jtag.TCK := jtag_TCK
djtag.jtag.TMS := jtag_TMS
djtag.jtag.TDI := jtag_TDI
jtag_TDO := djtag.jtag.TDO.data
djtag.mfr_id := p(JtagDTMKey).idcodeManufId.U(11.W)
djtag.reset := PowerOnResetFPGAOnly(dut_clock)
dut_ndreset := dut.debug.ndreset
djtag
}
}
abstract class ML507Shell(implicit val p: Parameters) extends RawModule {
//-----------------------------------------------------------------------
// Interface
//-----------------------------------------------------------------------
// 100Mhz sysclk
val sys_clock_100 = IO(Input(Bool()))
// active high reset
val reset = IO(Input(Bool()))
// LED
val led = IO(Vec(8, Output(Bool())))
// UART
val uart_tx = IO(Output(Bool()))
val uart_rx = IO(Input(Bool()))
val uart_rtsn = IO(Output(Bool()))
val uart_ctsn = IO(Input(Bool()))
// SDIO
val sdio_clk = IO(Output(Bool()))
val sdio_cmd = IO(Analog(1.W))
val sdio_dat = IO(Analog(4.W))
//Buttons
val btn_0 = IO(Analog(1.W))
val btn_1 = IO(Analog(1.W))
val btn_2 = IO(Analog(1.W))
val btn_3 = IO(Analog(1.W))
//Sliding switches
val sw_0 = IO(Analog(1.W))
val sw_1 = IO(Analog(1.W))
val sw_2 = IO(Analog(1.W))
val sw_3 = IO(Analog(1.W))
val sw_4 = IO(Analog(1.W))
val sw_5 = IO(Analog(1.W))
val sw_6 = IO(Analog(1.W))
val sw_7 = IO(Analog(1.W))
//-----------------------------------------------------------------------
// Wire declrations
//-----------------------------------------------------------------------
val sys_clock = Wire(Clock())
val sys_reset = Wire(Bool())
val dut_clock = Wire(Clock())
val dut_reset = Wire(Bool())
val dut_resetn = Wire(Bool())
val dut_ndreset = Wire(Bool())
val sd_spi_sck = Wire(Bool())
val sd_spi_cs = Wire(Bool())
val sd_spi_dq_i = Wire(Vec(4, Bool()))
val sd_spi_dq_o = Wire(Vec(4, Bool()))
val do_reset = Wire(Bool())
val mig_mmcm_locked = Wire(Bool())
val mig_sys_reset = Wire(Bool())
val mig_clock = Wire(Clock())
val mig_reset = Wire(Bool())
val mig_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 mmcm_lock_pcie = Wire(Bool())
//-----------------------------------------------------------------------
// System clock and reset
//-----------------------------------------------------------------------
// Clock that drives the clock generator and the MIG
sys_clock := sys_clock_100.asClock()
// Allow the debug module to reset everything. Resets the MIG
sys_reset := reset | dut_ndreset
//-----------------------------------------------------------------------
// Clock Generator
//-----------------------------------------------------------------------
//50MHz (37.5MHz)
val ml507_sys_clock = Module(new ml507_sys_clock)
ml507_sys_clock.io.CLKIN_IN := sys_clock.asUInt
val clk50 = ml507_sys_clock.io.CLKFX_OUT
// DUT clock
dut_clock := clk50
//-----------------------------------------------------------------------
// System reset
//-----------------------------------------------------------------------
do_reset := !mig_mmcm_locked || !mmcm_lock_pcie || mig_sys_reset
mig_resetn := !mig_reset
dut_resetn := !dut_reset
pcie_dat_resetn := !pcie_dat_reset
pcie_cfg_resetn := !pcie_cfg_reset
// TODO: adapt for ml507?
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 := dut_clock
dut_reset := safe_reset.io.reset4
//overrided in connectMIG and connect PCIe
//provide defaults to allow above reset sequencing logic to work without both
mig_clock := dut_clock
pcie_dat_clock := dut_clock
pcie_cfg_clock := dut_clock
mig_mmcm_locked := UInt("b1")
mmcm_lock_pcie := UInt("b1")
//-----------------------------------------------------------------------
// UART
//-----------------------------------------------------------------------
uart_rtsn := false.B
def connectUART(dut: HasPeripheryUARTModuleImp): Unit = {
val uartParams = p(PeripheryUARTKey)
if (!uartParams.isEmpty) {
// uart connections
dut.uart(0).rxd := SyncResetSynchronizerShiftReg(uart_rx, 2, init = Bool(true), name=Some("uart_rxd_sync"))
uart_tx := dut.uart(0).txd
}
}
//-----------------------------------------------------------------------
// SPI
//-----------------------------------------------------------------------
def connectSPI(dut: HasPeripherySPIModuleImp): Unit = {
// SPI
sd_spi_sck := dut.spi(0).sck
sd_spi_cs := dut.spi(0).cs(0)
dut.spi(0).dq.zipWithIndex.foreach {
case(pin, idx) =>
sd_spi_dq_o(idx) := pin.o
pin.i := sd_spi_dq_i(idx)
}
//-------------------------------------------------------------------
// SDIO <> SPI Bridge
//-------------------------------------------------------------------
val ip_sdio_spi = Module(new sdio_spi_bridge())
ip_sdio_spi.io.clk := dut_clock
ip_sdio_spi.io.reset := dut_reset
// SDIO
attach(sdio_dat, ip_sdio_spi.io.sd_dat)
attach(sdio_cmd, ip_sdio_spi.io.sd_cmd)
sdio_clk := ip_sdio_spi.io.spi_sck
// SPI
ip_sdio_spi.io.spi_sck := sd_spi_sck
ip_sdio_spi.io.spi_cs := sd_spi_cs
sd_spi_dq_i := ip_sdio_spi.io.spi_dq_i.toBools
ip_sdio_spi.io.spi_dq_o := sd_spi_dq_o.asUInt
}
}