v19.3.0

We are pleased to announce the release of TT Zephyr Platforms firmware version 19.3.0 🥳🎉.

Major enhancements with this release include:

What’s Changed

New and Experimental Features

• Update Blackhole ERISC FW to v1.7.0

  • ETH msg DYNAMIC_NOC_INIT: Initialize dynamic NOC state for the ethernet core

• Doppler Power Management

  • Low-latency power management optimizing bursty workloads on p100a and p150* boards

  • 100 kHz tick rate, switched to a tick-less kernel

• Support BAR4 resizing

• New ARC message for blinking the board fault LED for board identification purposes

• New firmware bundle for Debian

• Improved GDDR bandwidth utilization

Drivers

• snps,designware-dma-arc-hs: integrated ARC DMA driver into codebase

  • ARC DMA driver follows the upstream Zephyr DMA driver API

Stability Improvements

• Update Blackhole ERISC FW to v1.7.1

  • Enable all TX/RXQ to be in packet mode after initial training for SYS-2294

  • Implement NOC counters in L1 for SYS-2489

  • Fixed left vs right chip logic in manual EQ override for P300

  • Changed default training mode back to ANLT for P150s and P300 on-PCB traces

  • Fixed bug that clears live status counters unnecessarily

  • Removed BIST check altogether from SerDes init sequence

  • Minimized SerDes access during retraining to reduce NOC traffic

  • Improve one sided reset and retrain logic for ANLT

  • Reduced ETH training timeouts

• Fixed a potential hang when Tensix is generating NOC traffic to idle GDDR

• Added more tests for ARC and I2C messaging

• Made tensix idle before clock gating in our reset flows

  • More graceful cleanup in cases of crashes, and more robust power down flows

Migration guide

An overview of required and recommended changes to make when migrating from the previous v19.2.0 release can be found in v19.3 Migration Guide.

Full ChangeLog

The full ChangeLog from the previous v19.2.0 release can be found at the link below.

https://github.com/tenstorrent/tt-zephyr-platforms/compare/v19.2.0…v19.3.0