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   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # Arty S7: Spartan7 25/50 FPGA Board for Makers and Hobbyists
   5 #
   6 # https://www.xilinx.com/products/boards-and-kits/1-pnziih.html
   7 # https://store.digilentinc.com/arty-s7-spartan-7-fpga-board-for-makers-and-hobbyists/
   8
   9 source [find interface/ftdi/digilent-hs1.cfg]
  10
  11 # Xilinx Spartan7-25/50 FPGA (XC7S{25,50}-CSGA324)
  12 source [find cpld/xilinx-xc7.cfg]
  13 source [find cpld/jtagspi.cfg]
  14
  15 adapter speed 25000
  16
  17 # Usage:
  18 #
  19 # Load Bitstream into FPGA:
  20 #    openocd -f board/arty_s7.cfg -c "init;\
  21 #    pld load 0 bitstream.bit;\
  22 #    shutdown"
  23 #
  24 # Write Bitstream to Flash:
  25 #    openocd -f board/arty_s7.cfg -c "init;\
  26 #    jtagspi_init 0 bscan_spi_xc7s??.bit;\
  27 #    jtagspi_program bitstream.bin 0;\
  28 #    xc7_program xc7.tap;\
  29 #    shutdown"
  30 #
  31 # jtagspi flash proxies can be found at:
  32 # https://github.com/quartiq/bscan_spi_bitstreams
  33 #
  34 # For the Spartan 50 variant, use
  35 #  - https://github.com/quartiq/bscan_spi_bitstreams/raw/master/bscan_spi_xc7s50.bit
  36 # For the Spartan 25 variant, use
  37 #  - https://github.com/quartiq/bscan_spi_bitstreams/raw/master/bscan_spi_xc7s25.bit