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Linux/AM5728: About DSP function off issue

yimin bai34
Genius 4755 points
Part Number: AM5728

Tool/software: Linux

Hi SIr 

We used AM5728 with latest SDK for development.

In our case, we don't want to use DSP function at this stage.

Do you know how to disable the DSP memory usage & turn off DSP function on SDK 5.01 to pass the LTP memory test?

thanks in advance.

BR

Yimin

  • 0
    TI__Guru 50170 points
    Hi, Yimin,

    Please remove /lib/firmware/dra7-dspX-fw.xe66 files in the filesystem. These 2 files get downloaded to DSPs during kernel boot up if found in the filesystem. Without them, kernel will automatically idle DSPs.

    Is the ltp memory test failing on you? what's failing? If it is because the memory area reserved for DSP, try to remove them in am57xx-beagle-x15-common.dtsi file.

    Rex