how to use watchdog in imx8 m40 without modifing scfw

[974782852]

My project will use the watchdog in imx8 m40/

In code i test a situation---trigger the watchdog, but the whole system hangs on include linux of A core。

By reading the scfw_port.pdf, there is a way to use watchdog correctly that is to modify the scfw to create the partition for m40 watchdog.

But the scfw operation is dangerous, so afraid to

[igorpadykov]

Hi Eric

I am afraid it is not possible as all resource management is handled by SCU using

SCFW APIs. On link below there is example for moving FlexCAN resources to  A cores partition:

System Controller Firmware 101 - Resource management service 

Best regards
igor
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