AnsweredAssumed Answered

i.MX6 POR_B pin behaviour

Question asked by Sonu Kurian on Nov 6, 2014
Latest reply on Nov 6, 2014 by Sonu Kurian

Hello All,

 

We have a custom board based on i.MX6 ( Quad core version) and we are running linux on it.

The board is booting from emmC.

 

The POR_B pin of i.MX6 is connected to the RESETB_MCU pin of PMIC ( PF0100).

I tried to reset the i.MX6 on the board by explicitly pulling the POR_B pin to GND ( I soldered a wire out from this pin).

 

 

If I am in uboot and reset the processor , it will get reset and will reboot.

But after booting completely,  that is , once we get the linux prompt, if I reset the processor , it is not rebooting.

 

Can somebody help me to know why is this so?

Is it because Linux configures the core voltages to a low voltage ?

 

Thank you!

 

Regards,

Sonu

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