mirror of https://github.com/openXC7/prjxray.git
63 lines
1.7 KiB
Python
63 lines
1.7 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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def write_ram_ext_tags(segmk, tile_param):
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for param in ["RAM_EXTENSION_A", "RAM_EXTENSION_B"]:
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set_val = tile_param[param]
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for opt in ["LOWER"]:
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segmk.add_site_tag(
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tile_param['site'], "{}_{}".format(param, opt), set_val == opt)
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segmk.add_site_tag(
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tile_param['site'], "{}_NONE_OR_UPPER".format(param),
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set_val != "LOWER")
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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 tile_param in params:
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if tile_param['BRAM36_IN_USE']:
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write_ram_ext_tags(segmk, tile_param)
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segmk.add_site_tag(
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tile_param['site'], 'EN_ECC_READ', tile_param['EN_ECC_READ'])
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segmk.add_site_tag(
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tile_param['site'], 'EN_ECC_WRITE', tile_param['EN_ECC_WRITE'])
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for ab in 'ab':
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for rw in 'rw':
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if rw == 'r':
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dir = 'READ'
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else:
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dir = 'WRITE'
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width = tile_param['bram36_{}{}_width'.format(rw, ab)]
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tag = 'BRAM36_{}_WIDTH_{}_1'.format(dir, ab.upper())
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if width == 1:
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segmk.add_site_tag(
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tile_param['site'], tag, tile_param['BRAM36_IN_USE'])
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segmk.compile()
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segmk.write()
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if __name__ == '__main__':
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main()
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