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Miodrag Milanović b8a6559a3f gatemate: add CP lines as clock and general routing [sc-184] (#1638)
* gatemate: add alternate clock routes

* use additional pins

* Fix clock router and timings

* Fix DDR nets

* Test passtrough concept

* remove not used variable

* wip

* handle pip masks

* Cleanup

* create CPE_CPLINES cells and set properties on them

* Fix pip masking

* rough code to break cplines into subnets

* add ports to cell

* mux bridges need cell bel pins too

* fix multiplier output register packing

* remove empty if

* Fix ODDR

* Add options to disable some pips

* Use resources info

* mask field to resource field

* produce valid netlist with propagation netlist at least

* adapt reassign_cplines for internal resource pips

* Handle block and resources

* fix formatting

* It is required to set all mandatory properties now

* arch API for resources

* current progress

* Add option to skip bridges

* perform per-wire resource congestion costing

* Added no-cpe-cp option

* resource bugfix

* comment out spammy debug message

* Fix routing conflicts issues

* allow only some pass trough for clock router

* handle inversion bits for pass signals

* verify inversion before/after assigning bridges

* we care only if there is net

* Revert "we care only if there is net"

This reverts commit 3da2769e31.

* Revert "verify inversion before/after assigning bridges"

This reverts commit 8613ee17c8.

* chipdb version bump

* clangformat

* cleanup

* cleanup

* Initial conversion to GroupId

* Keep group info in pip extra

* Cleanup headers

* Initialize resource efficiently

* Addressing review comments

* improve resource docs

* Make CP lines not use as clocks as default

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Co-authored-by: Lofty <dan.ravensloft@gmail.com>
2026-02-25 08:22:16 +01:00
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