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#!/usr/bin/env python
import argparse
import tempfile
import os
import subprocess
header_template = \
"""
source [find interface/ftdi/digilent_jtag_smt2.cfg]
adapter_khz 10000
set PL_TAPID 0x03727093
set SMP 1
source {cfg_dir}/zynq-7000.cfg
source {cfg_dir}/xilinx-tcl.cfg
source {cfg_dir}/ps7_init.tcl
reset_config srst_only srst_push_pull
set XC7_JSHUTDOWN 0x0d
set XC7_JPROGRAM 0x0b
set XC7_JSTART 0x0c
set XC7_BYPASS 0x3f
proc xc7_program {{tap}} {{
global XC7_JSHUTDOWN XC7_JPROGRAM XC7_JSTART XC7_BYPASS
irscan $tap $XC7_JSHUTDOWN
irscan $tap $XC7_JPROGRAM
runtest 60000
#JSTART prevents this from working...
#irscan $tap $XC7_JSTART
runtest 2000
irscan $tap $XC7_BYPASS
runtest 2000
}}
pld device virtex2 zynq.tap 1
init
xc7_program zynq.tap
xilinx_ps7_init
# Disable MMU
targets $_TARGETNAME_1
arm mcr 15 0 1 0 0 [expr [arm mrc 15 0 1 0 0] & ~0xd]
targets $_TARGETNAME_0
arm mcr 15 0 1 0 0 [expr [arm mrc 15 0 1 0 0] & ~0xd]
"""
def get_argparser():
parser = argparse.ArgumentParser()
parser.add_argument("action", nargs="*",
default="gateware firmware run stop".split())
return parser
def main():
args = get_argparser().parse_args()
with tempfile.NamedTemporaryFile(delete=False) as f:
cfg_file = f.name
cfg_dir = os.path.dirname(os.path.realpath(__file__))
header = header_template.format(cfg_dir=cfg_dir)
f.write(header.encode())
if "firmware" in args.action:
f.write(b"load_image misoc_zedboard_zedboard/software/runtime/runtime.bin 0x100000 bin\n")
if "gateware" in args.action:
f.write(b"pld load 0 misoc_zedboard_zedboard/gateware/top.bit\n")
if "run" in args.action:
f.write(b"targets $_TARGETNAME_1\nreg pc 0x100000\n")
f.write(b"targets $_TARGETNAME_0\nresume 0x100000\n")
if "stop" in args.action:
f.write(b"sleep 2000\n")
f.write(b"targets $_TARGETNAME_0\nhalt\nreg\n")
# f.write(b"targets $_TARGETNAME_1\nhalt\nreg\n")
if not ("noexit" in args.action):
f.write(b"exit\n")
subprocess.run(["openocd", "-f", cfg_file])
if __name__=="__main__":
main()