mirror of https://github.com/openXC7/prjxray.git
69 lines
1.9 KiB
Python
69 lines
1.9 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 json
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from prjxray.segmaker import Segmaker
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#Decouple interconnect bits from PRESELECT property bits
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def bitfilter(frame, bit):
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if frame == 7 or frame == 21:
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return False
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return True
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def main():
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segmk = Segmaker("design.bits")
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print("Loading tags")
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with open('params.json') as f:
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params = json.load(f)
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for row in params:
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base_name = 'BUFGCTRL_X{}Y{}'.format(row['x'], row['y'])
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segmk.add_site_tag(
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row['site'], '{}.IN_USE'.format(base_name), row['IN_USE'])
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if not row['IN_USE']:
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continue
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for param in (
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'INIT_OUT',
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'IS_IGNORE0_INVERTED',
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'IS_IGNORE1_INVERTED',
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):
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segmk.add_site_tag(
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row['site'], '{}.{}'.format(base_name, param), row[param])
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for param in ('PRESELECT_I0', ):
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segmk.add_site_tag(
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row['site'], '{}.Z{}'.format(base_name, param), 1 ^ row[param])
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for param in ('PRESELECT_I1', ):
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segmk.add_site_tag(
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row['site'], '{}.{}'.format(base_name, param), row[param])
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for param, tag in (('IS_CE0_INVERTED', 'ZINV_CE0'), ('IS_S0_INVERTED',
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'ZINV_S0'),
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('IS_CE1_INVERTED', 'ZINV_CE1'), ('IS_S1_INVERTED',
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'ZINV_S1')):
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segmk.add_site_tag(
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row['site'], '{}.{}'.format(base_name, tag), 1 ^ row[param])
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segmk.compile(bitfilter=bitfilter)
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segmk.write()
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if __name__ == '__main__':
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main()
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