imx6sl uboot shutdown

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imx6sl uboot shutdown

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yan2anfei
Contributor III

hi ,

   I have a imx6slevk board, I want't shutdown my system in uboot.

   I set the register SNVS_LPCR's TOP and DP_EN bit . 

   The system didn't power off but reboot.

   Is something else need set ?

thanks!

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi yan2

please check that pmic licell is attached, so there is permanent

vsnvs voltage applied to processor.

Best regards
igor
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yan2anfei
Contributor III

hi igorpadykov,

  Thanks for your reply !

  If add licell, the linux system halt function is ok. but the uboot power off  is reboot still.

 the VDD_SNVS_IN PIN is 3v didn't pull down.

 thanks!

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