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[Interchange] PhysNetlistReader to align with Vivado on SRST routing #636

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merged 4 commits into from
Mar 28, 2023

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Imitate how Vivado represents SLICE SRST* connections by clearing out the intra site routing when connected to GND (i.e. no sensitivity to set or reset). This allows DesignTools.createCeSrRstPinsToVcc() to create the corresponding SitePinInst and attach to the VCC net, using the in-built inverter to achieved ground.

@eddieh-xlnx eddieh-xlnx requested a review from clavin-xlnx March 27, 2023 22:13
@eddieh-xlnx eddieh-xlnx changed the title PhysNetlistReader to align with Vivado on SRST routing [Interchange] PhysNetlistReader to align with Vivado on SRST routing Mar 27, 2023
Signed-off-by: Eddie Hung <[email protected]>
@eddieh-xlnx eddieh-xlnx marked this pull request as ready for review March 28, 2023 00:25
Signed-off-by: Eddie Hung <[email protected]>
@eddieh-xlnx eddieh-xlnx merged commit dc8ac2e into master Mar 28, 2023
@eddieh-xlnx eddieh-xlnx deleted the if_srst_inv branch March 28, 2023 23:56
eddieh-xlnx added a commit that referenced this pull request May 3, 2023
eddieh-xlnx added a commit that referenced this pull request May 3, 2023
Signed-off-by: Eddie Hung <[email protected]>
eddieh-xlnx added a commit that referenced this pull request May 3, 2023
Signed-off-by: Eddie Hung <[email protected]>
eddieh-xlnx added a commit that referenced this pull request May 9, 2023
Signed-off-by: Eddie Hung <[email protected]>
eddieh-xlnx added a commit that referenced this pull request May 10, 2023
* DesignTools.createCeSrRstPinsToVCC() to detect gnd to invert

Signed-off-by: Eddie Hung <[email protected]>

* Update src/com/xilinx/rapidwright/design/DesignTools.java

Signed-off-by: eddieh-xlnx <[email protected]>

* Undo part of #636

Signed-off-by: Eddie Hung <[email protected]>

* Tidy up and add test

Signed-off-by: Eddie Hung <[email protected]>

* Remove unused imports

Signed-off-by: Eddie Hung <[email protected]>

* Update year

Signed-off-by: Eddie Hung <[email protected]>

---------

Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: eddieh-xlnx <[email protected]>
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2 participants