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OMAP-L138: What hat happened with http://processors.wiki.ti.com. Is there any replacement?

Flaviu Popp-Nowak
Prodigy 20 points
Part Number: OMAP-L138
Other Parts Discussed in Thread: OMAPL138

Hi,

I'm trying to update the DSP lab exercises at our institute. The actually installed DSK6713 boards seem to lack support in the actual environments and they are quite old anyway.  While searching for replacement we found the C6748_LCDK and its OMAP version. I have also found in our lab some Zoom Experimenter OMAP-L138 boards that use a similar chip. The boards are still marked as "active" by some distributors like Farnell. DSP Book examples do work, but not out of the box. Manual fixes are required for migrating from CCS6 to CCS9. However, attempting to rebuild Uboot/Linux for the ARM looks really bad -  all resources are linked to processors.wiki.ti.com, which is dead. So, my first question: is there any replacement for these resources? And another one pops up immediatly: does it still make sense to use the somewhat newer (2015?) OMAP-L138 LCDK for a lab intended to run at least 4 years? The lab would include a FPGA board as a DSP platform anyway.

  • 0
    TI__Guru** 101260 points

    Hello Flaviu,

    If you are interested in using OMAP-L138 boards and software in your lab, take a look at the design & development section of the OMAP-L138 product page. It looks like another company designed the Zoom Experimenter board. They may still support it, but I do not think the TI software team has tested our code on that board for years.

    We released Linux and TI-RTOS SDKs for OMAP-L138 in 2020. They should be documented here: Linux SDK 6.3, TI-RTOS SDK 6.3. I do not believe there are any plans for 2021 SDK releases for OMAP-L138. However, we still may release additional OMAP-L138 SDKs at some point.

    In general, if a wiki page does not redirect you to a resource you can see, then we did not move the information to a new location on the web.

    I support processors from the Linux context, so another note: I can support questions on the Linux SDK 6.3 release, but I cannot provide support for years-old versions of Linux. If you were looking for the html code for specific wiki pages I could fish them out of the archives and attach them here, but that's the extent to which I would be able to help if you wanted to continue using an older version of Linux in the labs. Support might look different for the TI-RTOS software, I can reassign the thread to someone else if you want a comment on what that support would look like.

    Regards,

    Nick

  • 0 in reply to Nick Saulnier
    TI__Guru** 101260 points

    Hello Flaviu,

    I double checked with some engineers who have more experience with DSP cores than I do. Here is their feedback here:

    "For DSP labs, C6748 is the recommendation for replacing C6713. If ARM+DSP device is required OMAPL138 is the best fit. It also has a low cost evaluation platform (LCDK) which should be recommended for creation of new labs. There are already some books and trainings using this platform that can be used as starting point.

    https://www.wiley.com/en-us/Digital+Signal+Processing+and+Applications+with+the+OMAP+L138+eXperimenter-p-9781118228951

    https://training.ti.com/sites/default/files/docs/TI_RTOS_Kernel_Workshop_Student_Guide_rev4.00.pdf "

    Hope this helps,

    Nick