mirror of https://github.com/openXC7/prjxray.git
105 lines
2.6 KiB
Python
105 lines
2.6 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2017-2020 The Project X-Ray Authors.
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#
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# Use of this source code is governed by a ISC-style
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# license that can be found in the LICENSE file or at
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# https://opensource.org/licenses/ISC
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#
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# SPDX-License-Identifier: ISC
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import os
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import re
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import random
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random.seed(int(os.getenv("SEED"), 16))
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from prjxray import util
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from prjxray.db import Database
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from prjxray.grid_types import GridLoc
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GTX_INT_Y_RE = re.compile("GTX_INT_INTERFACE.*X[0-9]+Y([0-9]+)")
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def get_gtx_int_tile(clock_region, grid):
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for tile_name in sorted(grid.tiles()):
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if not tile_name.startswith("GTX_INT_INTERFACE"):
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continue
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loc = grid.loc_of_tilename(tile_name)
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left_gridinfo = grid.gridinfo_at_loc(
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GridLoc(loc.grid_x - 1, loc.grid_y))
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right_gridinfo = grid.gridinfo_at_loc(
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GridLoc(loc.grid_x + 1, loc.grid_y))
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if left_gridinfo.tile_type in ["INT_L", "INT_R"]:
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cmt = left_gridinfo.clock_region
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elif right_gridinfo.tile_type in ["INT_L", "INT_R"]:
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cmt = right_gridinfo.clock_region
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else:
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assert False
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gridinfo = grid.gridinfo_at_loc(loc)
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m = GTX_INT_Y_RE.match(tile_name)
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assert m
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int_y = int(m.group(1))
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if clock_region == cmt and int_y % 50 == 26:
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return tile_name
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def gen_sites():
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db = Database(util.get_db_root(), util.get_part())
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grid = db.grid()
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for tile_name in sorted(grid.tiles()):
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loc = grid.loc_of_tilename(tile_name)
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gridinfo = grid.gridinfo_at_loc(loc)
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for site_name, site_type in gridinfo.sites.items():
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if site_type in ['GTXE2_COMMON']:
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gtx_int_tile = get_gtx_int_tile(gridinfo.clock_region, grid)
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yield gtx_int_tile, site_name
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def write_params(params):
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pinstr = 'tile,val,site\n'
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for tile, (site, val) in sorted(params.items()):
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pinstr += '%s,%s,%s\n' % (tile, val, site)
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open('params.csv', 'w').write(pinstr)
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def run():
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print('''
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module top();
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''')
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params = {}
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sites = list(gen_sites())
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for gtx_int_tile, site_name in sites:
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isone = random.randint(0, 1)
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params[gtx_int_tile] = (site_name, isone)
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print(
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'''
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wire QPLLLOCKEN_{site};
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(* KEEP, DONT_TOUCH *)
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LUT1 lut_{site} (.O(QPLLLOCKEN_{site}));
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(* KEEP, DONT_TOUCH, LOC = "{site}" *)
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GTXE2_COMMON gtxe2_common_{site} (
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.QPLLLOCKEN(QPLLLOCKEN_{site})
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);'''.format(site=site_name))
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print("endmodule")
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write_params(params)
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if __name__ == '__main__':
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run()
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