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DM8148 DP/DM calibration procedure

william pranaitis
Prodigy 50 points
Other Parts Discussed in Thread: TMS320DM8148

Does anyone know where the DP/DM calibration procedure referenced in the TMS320DM814x errata advisory 3.0.70 is described

  • 0
    TI__Guru**** 170625 points

    Hi William,

    See if the below wiki page (and links inside it) will be in help:

    http://processors.wiki.ti.com/index.php/Hardware_Design_Checklist#USB

    Note also that we have USB bugs fixed in the latest PSP04.04.00.02:

    http://processors.wiki.ti.com/index.php/TI81XX_PSP_04.04.00.02_Release_Notes#USB_2

    TI81XX

    Issue: USB: Truncated packets with CRC error observed during transmit operation causing multiple resets while creating a file on HP flash drive

    Known Workaround(s): The requires both (a) following the TI recommended USB PCB Design guideline and (b) SW workaround to fine-tune USBPHY calibration parameters. The SW patch is available as part of release package.

    The latest PSP can be found:

    http://arago-project.org/git/projects/?p=linux-omap3.git;a=shortlog;h=refs/heads/ti81xx-master

    Regards,
    Pavel

  • 0 in reply to Pavel Botev
    Prodigy 120 points

    Can we use that  PSP with RDK 4.01? if not where do we get a new RDK release with this bug fixed?

  • 0 in reply to Richard Buteau
    TI__Guru**** 170625 points

    Richard,

    I am not familiar with RDK. What I find is the PSP linux kernel branch:

    http://arago-project.org/git/projects/?p=linux-omap3.git;a=shortlog;h=refs/heads/ti81xx-master - for EZSDK

    http://arago-project.org/git/projects/?p=linux-dvr-rdk-dm81xx.git;a=shortlog;h=refs/heads/dvrrdk_kernel_int_branch - for DVR RDK

    http://arago-project.org/git/projects/?p=linux-ipnc-rdk-dm81xx.git;a=shortlog;h=refs/heads/ipncrdk_psp_dm81xx_kernel - for IPNC RDK

    You can check if your linux kernel is up to date with the corresponding branch.

    Regards,
    Pavel

  • 0 in reply to Pavel Botev
    Prodigy 120 points

    Pavel, what I am trying to find out is that code and bug fix are in the following software release because we are seeing still seeing USB lockup with 3G device.

    http://www.ti.com/product/TMS320DM8148/toolssoftware#softTools

    DVRRDK ver4.1
    DVRRDK ver4.1 Docs Package
    DVRRDK ver4.1 Binary Package

    there is no direct mention of PSP version in documentation except this in release notes.

    **** PSP Release documents are from "TI PSP 04.04.00.02". Refer Migration Guide for exact DVR RDK PSP

    Version.

    and the migration document point to this dead link.

    PSP Changes

    Refer release specific branch in DVR RDK PSP Arago Git. Refer DVR RDK PSP Arago.

    http://ap-fpdsp-swapps.dal.design.ti.com/index.php/DVR_RDK_Main_Page