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  1. # Copyright (C) 2014-2016,2020 Synopsys, Inc.
  2. # Anton Kolesov <anton.kolesov@synopsys.com>
  3. # Didin Evgeniy <didin@synopsys.com>
  4. #
  5. # SPDX-License-Identifier: GPL-2.0-or-later
  6. #
  7. # Synopsys DesignWare ARC EM Starter Kit v2.1
  8. #
  9. # Configure JTAG cable
  10. # EM Starter Kit has built-in FT2232 chip, which is similar to Digilent HS-1.
  11. source [find interface/ftdi/digilent-hs1.cfg]
  12. # JTAG 10MHz is too fast for EM7D FPU in EM SK 2.1 which has core frequency
  13. # 20MHz. 7.5 MHz seems to work fine.
  14. adapter speed 7500
  15. # ARCs support only JTAG.
  16. transport select jtag
  17. # Configure FPGA. This script supports both LX45 and LX150.
  18. source [find target/snps_em_sk_fpga.cfg]