Updating CVA6 for OpenPiton and add support for HPDC (!3155) · Merge requests · OpenHW Group / backup-20251207 / cva6

Placeholder Arnau Bigas requested to merge github/fork/bsc-loca/ft/op-ariane-hpdc-squashed into master Dec 05, 2025

This Pull Request adds support for using the HPDC in OpenPiton. To do so, I have added and updated the L1.5 adapters and hpdcache cache subsystems.

Because previously the L1.5 interface types & enums were in the wt_cache pkg and adapter files, I have moved the typedefs to a l15_pkg provided by openpiton. This allows any cache (and any core) to interface with the L1.5.

The changes are working as tested in OpenPiton.

Updating CVA6 for OpenPiton and add support for HPDC

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