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AM5728: DSP TI RTOS firmware and Linux on A15 not running parallely

Part Number: AM5728


Hi,

    We are working on an application which employs TI RTOS app on DSP core and another app on Linux A15 core. The TI RTOS app has never ending task, so when we load TI RTOS firmware on DSP using remote proc as:

root@am57xx-evm:~# echo 40800000.dsp > bind

The DSP firmware gets loaded properly but we are not getting the Linux console back.

As per our understanding TI RTOS firmware on DSP core should run independently / parallelly with Linux on A15 core but it seems due to never ending task it never returns to Linux console. Why TI RTOS on DSP and Linux on A15 not running simultaneously? Is there a way to achieve parallel execution so that DSP core executes the TI RTOS firmware without holding the Linux on A15 core?

Please let us know.

Thanks and Regards

Raj Johri