v18.2.0
We are pleased to announce the release of TT Zephyr Platforms firmware version 18.2.0 🥳🎉.
Major enhancements with this release include:
New Features
Update Blackhole ERISC FW to v1.4.0
Added ETH mailbox with 2 messages
ETH msg LINK_STATUS_CHECK: checks for link status
ETH msg RELEASE_CORE: Releases control of RISC0 to run function at specified L1 addr
Virtual UART now enabled by default for Blackhole firmware bundles
Creates an in-memory virtual uart for firmware observability and debugging
Use
tt-console
to viewprintk()
andLOG_*()
messages from the host
Stability Improvements
Update Blackhole ERISC FW to v1.4.0
Improve link training sequence for greater success rate on loopback cases
Fix synchronization issue in BMFW that could result in potential deadlock / failure to enumerate
Improve SMC I2C recovery function, resulting in reset and re-enumeration success rate of 99.6%
PCIe Maximum Payload Size (MPS) now set by TT-KMD, improving VM stability
Migration guide
An overview of required and recommended changes to make when migrating from the previous v80.18.1 release can be found in v18.2.0 Migration Guide.