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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » DaVinci™ Video Processors » DM814x and AM387x Processors Forum » All Tags » AVB
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DaVinci™ Video Processors

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AVB
  • 1588
  • 802.1AS
  • 802.1QAT
  • 802.1QAV
  • dm8148
  • DM814x
  • IEEE 802.1AS
  • IEEE-1588
  • RateLimiting
Related Posts
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    Albert I have been asking the same questions for a while now. The answers will hopefully be revealed in the next version of the TRM , which is due out soon??. Also, don't forget about the 3-port switch. This also needs to support 802.1AS and Qav for the device to be AVB compliant. -steve
    on Jun 28, 2011
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    Hi Any updates on the TRM for the DM8148?. Specifically the EMAC/SW section regarding AVB?. thanks steve
    on Jul 19, 2011
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    Hi Benoit To be AVB compliant, the ethernet subsystem including the switch must support: 802.1AS (gPTP) - the time sync standard 802.1Qav (FQTSS) the packet "shaping" standard 802.1Qat (SRP) the stream reservation standard To support IEEE1722, the AVB audio/video transport protocol...
    on Aug 20, 2011
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    Hi Any updates on AVB support on the DM814x? -steve
    on Sep 22, 2011
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    Benoit I have reviewed the 3PSW section of the latest DM8148 TRM. I find it poorly written. There is a section on AVB, that is basically a tutorial. It does not, however, discuss the DM8148's actual support for AVB. Where or to whom should feedback on this section be directed?. thanks...
    on Oct 27, 2011
  • Forum Post: Re: AVB compliant EMAC on DM8148

    Stephen Turner Stephen Turner
    The Ethernet subsystem chapter in the DM33xx TRM seems in much better shape the the 3PSW chapter in the DM814x TRM. Both document 3 port 10/100/1000 ethernet subsystems and seem to have the same feature set. Is this true?. Can we use that documentation for the DM814x?. thanks steve
    on Oct 30, 2011
  • Forum Post: Re: Does DM814x AVB support is dependent on choice of PHY

    Viet Dinh Viet Dinh
    Hi Prateek, Currently there are no support for AVB. BR, Viet
    on Dec 19, 2011
  • Forum Post: Re: Does DM814x AVB support is dependent on choice of PHY

    Stephen Turner Stephen Turner
    Prateek I don't think (and am assuming this in our DM814x AVB design) that the manufacturer/type of the external PHY does not matter to the AVB functionality, as the 802.1AS timestamping is done at the EMAC level inside the DM814x. This is what the new CPTS subsystem is for. Currently the problem...
    on Dec 19, 2011
  • Forum Post: Re: Does DM814x AVB support is dependent on choice of PHY

    Albert David Albert David
    Prateek, I have been looking around for getting AVB support on DM8148 platform for my design. Unfortunately, some of 802.1 AVB ethernet standards are in their early phase and you hardly find needed s/w support on Linux for these standards. As I am not a big customer of DM8148 for TI, I cannot push...
    on Jan 26, 2012
  • Forum Post: Re: Which processors support AVB?

    Viet Dinh Viet Dinh
    Annie, I am supporting only DM814x so I cannot speak for all TI devices. Please check with your local sale office for more accurate answer. BR, Viet
    on Mar 21, 2012
  • Forum Post: RE: DM814x CPTS Driver Note for IEEE1588/802.1AS Implementation

    Albert David Albert David
    As per Ti's wiki, ptpd2 which uses 1588 h/w time stamping was not compliant(802.1AS) when EVM boards were connected through AVB switch(there is an old discussion here ). AudioScience guys fixed this problem on existing ptpd2, now i am able to connect two of my DM8148_EVM's through Harman-BSS...
    on Feb 9, 2013
  • Forum Post: RE: DM814x CPTS Driver Note for IEEE1588/802.1AS Implementation

    Stephen Turner Stephen Turner
    Further to what Andrew said, we have switched from ptpd to linuxptp. http://linuxptp.sourceforge.net/ We have it working in 802.1AS mode on our DM814x platform and have tested with several AVB switches. our codebase is here: https://github.com/audioscience/linuxptp Steve Turner AudioScience
    on Feb 20, 2013
  • Forum Post: TMS320DM814x - PRI(0..7)_IDLE_CNT and PRI(0..7)_SEND_CNT fields in TRM VS idleSlope and sendSlope params in 802.1Qav

    Delio Brignoli Delio Brignoli
    Hello, Could someone clarify how the PRI(0..7)_IDLE_CNT and PRI(0..7)_SEND_CNT fields (described in sections 9.2.1.1.4 and 9.4.1.51 of the TRM) map to the idleSlope and sendSlope parameters of the credit based traffic shaper spec'ed in the 802.1Qav standard? (The TRM says rate limiting mode follows...
    on Jun 4, 2012
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