simultaneous watchdog availability

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simultaneous watchdog availability

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o_scherbinin
Contributor III

hello friends!
i use imx6sx - sd board.
m4 runs FreeRTOS and
a9 Linux. i would like manage WATCHDOG1 (be able reset a9 core ) by m4 core. In same time i would like a9 shuld manage WATCHDOG1 too. Precisely speaking may i set software reset through m4 and initialaze and feed watchdog by a9 while cores do their jobs.
Is it approved way?

best wishes.

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1 Solution
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igorpadykov
NXP Employee
NXP Employee

yes correct, default RDC settings are used.

 

Best regards
igor

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igorpadykov
NXP Employee
NXP Employee

Hi Oleg

 

in general it is possible by configuring proper permissions in RDC module
(described in Chapter 52 Resource Domain Controller (RDC) i.MX6SX Reference Manual).
However such approach is not used in nxp bsps.

 

Best regards
igor

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o_scherbinin
Contributor III

Hello Igor.

As i understand Linux does not provide RDP by default and there are not any resources initially that RDP controls.
is it correct?

best wishes.

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igorpadykov
NXP Employee
NXP Employee

yes correct, default RDC settings are used.

 

Best regards
igor

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