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| author | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-02-23 13:35:45 -0800 |
|---|---|---|
| committer | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-02-23 14:09:28 -0800 |
| commit | a30043c8da1b1cc46a2dcfb90aa3a06d4f4ed4e9 (patch) | |
| tree | 7d9558216c7b9858bd31323ff3482b50e9d5c05f /docs/archapi.md | |
| parent | 184665652eaf351bf9337b524c5d82a50ce54041 (diff) | |
| download | nextpnr-a30043c8da1b1cc46a2dcfb90aa3a06d4f4ed4e9.tar.gz nextpnr-a30043c8da1b1cc46a2dcfb90aa3a06d4f4ed4e9.tar.bz2 nextpnr-a30043c8da1b1cc46a2dcfb90aa3a06d4f4ed4e9.zip | |
Fix assorted bugs in FPGA interchange.
Fixes:
- Only use map constant pins during routing, and not during placement.
- Unmapped cell ports have no BEL pins.
- Fix SiteRouter congestion not taking into account initial expansion.
- Fix psuedo-site pip output.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
Diffstat (limited to 'docs/archapi.md')
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