mirror of https://github.com/openXC7/prjxray.git
113 lines
2.5 KiB
Python
113 lines
2.5 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 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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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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found_xadc = False
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for site_name, site_type in gridinfo.sites.items():
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if site_type in ['XADC']:
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found_xadc = True
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break
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if not found_xadc:
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continue
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int_grid_x = loc.grid_x + 3
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int_tile_type = 'INT_L'
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int_tile_locs = []
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for dy in range(-1, 1):
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int_tile_locs.append((int_grid_x, loc.grid_y + dy), )
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int_tiles = []
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for int_tile_loc in int_tile_locs:
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int_gridinfo = grid.gridinfo_at_loc(int_tile_loc)
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assert int_gridinfo.tile_type == int_tile_type, (
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int_gridinfo.tile_type, int_tile_type)
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int_tiles.append(grid.tilename_at_loc(int_tile_loc))
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yield tile_name, int_tiles
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def write_params(params):
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pinstr = 'tile,val\n'
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for tile, (val) in sorted(params.items()):
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pinstr += '%s,%s\n' % (tile, val)
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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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sites = list(gen_sites())
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# Only on CFG_CENTER_MID expected.
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assert len(sites) == 1
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tile_name, int_tiles = sites[0]
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# int_tiles[0]:
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# IMUX43 -> XADC_CONVST = 0
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# IMUX42 -> XADC_DWE = toggle 0/1
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# int_tiles[1]:
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# IMUX43 -> XADC_DI15 = 0
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# IMUX42 -> XADC_DI14 = toggle 0/1
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DWE = random.randint(0, 1)
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DI14 = random.randint(0, 1)
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params = {}
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params[int_tiles[0]] = DWE
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params[int_tiles[1]] = DI14
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print(
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"""
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wire [15:0] di;
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wire dwe;
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wire convst;
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assign convst = 0;
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assign dwe = {DWE};
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assign di[15] = 0;
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assign di[14] = {DI14};
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(* KEEP, DONT_TOUCH *)
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XADC xadc (
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.DI(di),
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.DWE(dwe),
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.CONVST(convst)
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);
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""".format(
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DWE=DWE,
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DI14=DI14,
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))
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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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