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    • Florent Kermarrec's avatar
      targets/colorlight_5a_75b: switch to SoCCore, CPU and Etherbone working :) · dcc65b34
      Florent Kermarrec authored
      Tested with:
      ./colorlight_5a_75b.py --cpu-type=picorv32 --uart-name=crossover --with-etherbone --csr-csv=csr.csv
      
      Load with following script:
      #!/usr/bin/env python3
      
      # Load ---------------------------------------------------------------------------------------------
      
      def load():
          import os
          f = open("openocd.cfg", "w")
          f.write(
      """
      interface ftdi
      ftdi_vid_pid 0x0403 0x6011
      ftdi_channel 0
      ftdi_layout_init 0x0098 0x008b
      reset_config none
      adapter_khz 25000
      jtag newtap ecp5 tap -irlen 8 -expected-id 0x41111043
      """)
          f.close()
          os.system("openocd -f openocd.cfg -c \"transport select jtag; init; svf soc_etherbonesoc_colorlight_5a_75b/gateware/top.svf; exit\"")
          exit()
      
      if __name__ == "__main__":
          load()
      
      
      Then start lxserver:
      lxserver --udp
      
      And run following script:
      
      #!/usr/bin/env python3
      
      import sys
      
      from litex import RemoteClient
      
      wb = RemoteClient()
      wb.open()
      
      # # #
      
      while True:
          if wb.regs.uart_xover_rxempty.read() == 0:
              print(chr(wb.regs.uart_xover_rxtx.read()), end="")
              sys.stdout.flush()
      
      # # #
      
      wb.close()
      dcc65b34
    • Florent Kermarrec's avatar
      colorlight_5a_75b: fix rst_n · c07e4a6b
      Florent Kermarrec authored
      c07e4a6b