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how to use internal wdt ?

Question asked by zhang jie on Jan 2, 2019

hello

 

i use my imx6sll customized board with pfuze100

and because i have not add the reset ic,I suspend the wdog_b pin.

 

i check the source, and try to modify the dts.

delete the "fsl,ext-reset-output".

 

now i use the watchdog,when time out, it will reset only once.

but next time ,when time out, the system can not reset. it seems that the system halted(nothing i can do but power on again)...

 

it can reset normally in the evaluation BSP.

 

I wonder this case is because of not adding the reset circuit so that system can not work stablely?

or i do not configure the kernel correctly?

 

pls give me some advice.

 

best regards

 

zhang

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