[padring] Scan role parameters #6024
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msfschaffner
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tjaychen
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Apr 9, 2021
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btw, side question... do you think these kinds of scenarios will still be covered by Phil's aliasing proposal? |
The aliasing proposal from Phil will probably work for this as well, yes. |
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Rebased onto #6017 |
Ideally, the scan role (none, scan-in, scan-out) would be captured as part of the pinout Hjson description. However, due to the need to keep this information in the foundry repo, an approach with a separate SV package is taken. The open-source version is just a generic assignment of scan roles. The scan role parameters for the synthesized ASIC target are defined in the foundry repo and will be read in when the "fileset_partner" flag is defined in the build flow. Signed-off-by: Michael Schaffner <[email protected]>
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Ideally, the scan role of the pads (
None,ScanIn,ScanOut) would be captured as part of the pinout Hjson description.However, due to the need to keep this information in the foundry repo, this approach with a separate package is taken.
The open-source version is a generic assignment of scan roles (basically all are set to
None).The scan role parameters for the synthesized ASIC target are defined in the ASIC repo and will be read in when the "fileset_partner" flag is defined in the build flow.
Note that this is dependent on #6017, so only the last commit is relevant here.