v18.5.0

We are pleased to announce the release of TT Zephyr Platforms firmware version 18.5.0 đŸ„łđŸŽ‰.

Major enhancements with this release include:

Stability Improvements

  • Update Blackhole ERISC FW to v1.4.1

    • Fixed bug in FW where training would stall when enabling training on P300 ports that do not connect outside of the Chip at all

  • Prevent invalid overwrite of DMC init time

  • Automatically recover firmware after hardware CI jobs

  • fan_ctrl: disable initial fan spin-up to 100%

  • pcie: drive perst of cem1 slot when operating in RC mode

Drivers

  • renamed tenstorrent,blackhole-reset to tenstorrent,bh-reset to be consistent with other compatibles

  • add tenstorrent,bh-watchdog driver + tests

  • add tenstorrent,bh-gpio driver + tests

Documentation

  • added beginning of Sphinx documentation generation

  • updated board doc for tt_blackhole

Migration guide

An overview of required and recommended changes to make when migrating from the previous v18.4.0 release can be found in v18.5.0 Migration Guide.

Full ChangeLog

The full ChangeLog from the previous v18.4.0 release can be found at the link below.

https://github.com/tenstorrent/tt-zephyr-platforms/compare/v18.4.0
v18.5.0