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RTOS: Support for AVB (802.1AS/1588) on TDA3x

Tool/software: TI-RTOS

We have a requirement for developing a gPTP component for a gPTP slave executing on a TDA3x.   The CPTS module within the GMAC_SW Ethernet subsystem appears to provide the required functionality. 

However when on reads:

“Vision Software Development Kit

Version 03.01.00
Release Notes
Oct 2017"

AVB is only mentioned as being supported on the TDA2X.

Does this mean that the SDK does not support AVB (gPTP in particular) on the TDA3x?

In general is there BIOS support (i.e. a driver)  for the CPTS  module (to support 802.1AS/1588)  within BIOS for the TDA3x?

Your insights are appreciated.

Thanks

Jim