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WDOG problem

Question asked by fabio mario poiatti on Feb 13, 2020
Latest reply on Feb 20, 2020 by igorpadykov

I'm debugging WDOG circuit coming from the EVK for IMX6ULL.

 

I tried to read the register WDOG1_WCR but with bus error

 

/unit_tests# ./memtoool 0x20bc000 1
Reading 0x1 count starting at adUnhandled fault: external abort on non-linefetch (0x1008) at 00
pgd = 88718000
[76f63000] *pgd=88c4f835, *pte=020bc703, *ppte=020bce33
dress 0x020BC000

Bus error

 

Why???

 

Do you have an examples about how WDOG works?

 

thanks

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