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19 lines
554 B
Tcl
19 lines
554 B
Tcl
# SPDX-License-Identifier: CERN-OHL-S-2.0
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#
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# Copyright (c) 2020-2025 FPGA Ninja, LLC
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#
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# Authors:
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# - Alex Forencich
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#
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# reset synchronizer timing constraints
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foreach inst [get_cells -hier -filter {(ORIG_REF_NAME == taxi_sync_reset || REF_NAME == taxi_sync_reset)}] {
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puts "Inserting timing constraints for taxi_sync_reset instance $inst"
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# reset synchronization
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set reset_ffs [get_cells -quiet -hier "sync_reg_reg[*]" -filter "PARENT == $inst"]
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set_false_path -to [get_pins -of_objects $reset_ffs -filter {IS_PRESET || IS_RESET}]
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}
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