def main():
parser = argparse.ArgumentParser(description='Unpack Gowin bitstream')
parser.add_argument('netlist')
parser.add_argument('-d', '--device', required=True)
parser.add_argument('-o', '--output', default='pack.fs')
parser.add_argument('--png')
args = parser.parse_args()
with importlib.resources.open_binary("apycula",
f"{args.device}.pickle") as f:
db = pickle.load(f)
with open(args.netlist) as f:
pnr = json.load(f)
tilemap = chipdb.tile_bitmap(db, db.template, empty=True)
bels = get_bels(pnr)
place(db, tilemap, bels)
pips = get_pips(pnr)
route(db, tilemap, pips)
res = chipdb.fuse_bitmap(db, tilemap)
header_footer(db, res)
if args.png:
bslib.display(args.png, res)
bslib.write_bitstream(args.output, res, db.cmd_hdr, db.cmd_ftr)
def main():
parser = argparse.ArgumentParser(description='Pack Gowin bitstream')
parser.add_argument('netlist')
parser.add_argument('-d', '--device', required=True)
parser.add_argument('-o', '--output', default='pack.fs')
parser.add_argument('-c', '--compress', default=False, action='store_true')
parser.add_argument('--png')
args = parser.parse_args()
device = args.device
# For tool integration it is allowed to pass a full part number
m = re.match("GW1N([A-Z]*)-(LV|UV|UX)([0-9])C?([A-Z]{2}[0-9]+)(C[0-9]/I[0-9])", device)
if m:
luts = m.group(3)
device = f"GW1N-{luts}"
with importlib.resources.open_binary("apycula", f"{device}.pickle") as f:
db = pickle.load(f)
with open(args.netlist) as f:
pnr = json.load(f)
tilemap = chipdb.tile_bitmap(db, db.template, empty=True)
bels = get_bels(pnr)
place(db, tilemap, bels)
pips = get_pips(pnr)
route(db, tilemap, pips)
res = chipdb.fuse_bitmap(db, tilemap)
header_footer(db, res, args.compress)
if args.png:
bslib.display(args.png, res)
bslib.write_bitstream(args.output, res, db.cmd_hdr, db.cmd_ftr, args.compress)
def main():
parser = argparse.ArgumentParser(description='Pack Gowin bitstream')
parser.add_argument('netlist')
parser.add_argument('-d', '--device', required=True)
parser.add_argument('-o', '--output', default='pack.fs')
parser.add_argument('-c', '--compress', default=False, action='store_true')
parser.add_argument('-s', '--cst', default=None)
parser.add_argument('--allow_pinless_io', action='store_true')
parser.add_argument('--jtag_as_gpio', action='store_true')
parser.add_argument('--sspi_as_gpio', action='store_true')
parser.add_argument('--mspi_as_gpio', action='store_true')
parser.add_argument('--ready_as_gpio', action='store_true')
parser.add_argument('--done_as_gpio', action='store_true')
parser.add_argument('--reconfign_as_gpio', action='store_true')
parser.add_argument('--png')
args = parser.parse_args()
device = args.device
# For tool integration it is allowed to pass a full part number
m = re.match(
"GW1N(S?)[A-Z]*-(LV|UV|UX)([0-9])C?([A-Z]{2}[0-9]+P?)(C[0-9]/I[0-9])",
device)
if m:
mods = m.group(1)
luts = m.group(3)
device = f"GW1N{mods}-{luts}"
with importlib.resources.open_binary("apycula", f"{device}.pickle") as f:
db = pickle.load(f)
with open(args.netlist) as f:
pnr = json.load(f)
tilemap = chipdb.tile_bitmap(db, db.template, empty=True)
cst = codegen.Constraints()
bels = get_bels(pnr)
place(db, tilemap, bels, cst, args)
pips = get_pips(pnr)
route(db, tilemap, pips)
dualmode_pins(db, tilemap, args)
res = chipdb.fuse_bitmap(db, tilemap)
header_footer(db, res, args.compress)
if args.png:
bslib.display(args.png, res)
bslib.write_bitstream(args.output, res, db.cmd_hdr, db.cmd_ftr,
args.compress)
if args.cst:
with open(args.cst, "w") as f:
cst.write(f)