diff options
Diffstat (limited to 'ecp5/trellis_import.py')
| -rwxr-xr-x | ecp5/trellis_import.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/ecp5/trellis_import.py b/ecp5/trellis_import.py index d9892a28..31f136a2 100755 --- a/ecp5/trellis_import.py +++ b/ecp5/trellis_import.py @@ -185,16 +185,24 @@ def process_timing_data(): else: assert False, entry["type"] cells.append((celltype, delays, setupholds)) - pip_class_delays = [(50, 50, 0, 0)] # default: 50ps delay, 0ps fanout + pip_class_delays = [] + for i in range(len(pip_class_to_idx)): + pip_class_delays.append((50, 50, 0, 0)) + with open(timing_dbs.interconnect_db_path("ECP5", grade)) as f: interconn_data = json.load(f) for pipclass, pipdata in sorted(interconn_data.items()): - pip_class_to_idx[pipclass] = len(pip_class_delays) + min_delay = pipdata["delay"][0] max_delay = pipdata["delay"][2] min_fanout = pipdata["fanout"][0] max_fanout = pipdata["fanout"][2] - pip_class_delays.append((min_delay, max_delay, min_fanout, max_fanout)) + if grade == "6": + pip_class_to_idx[pipclass] = len(pip_class_delays) + pip_class_delays.append((min_delay, max_delay, min_fanout, max_fanout)) + else: + if pipclass in pip_class_to_idx: + pip_class_delays[pip_class_to_idx[pipclass]] = (min_delay, max_delay, min_fanout, max_fanout) speed_grade_cells[grade] = cells speed_grade_pips[grade] = pip_class_delays |