How to change DDR voltage setting before DDR calibration

[george]

Dear all,

Our product uses i.MX6UL and PF3000.

For some special reason, we need to change the DDR voltage setting before performing the DDR calibration.

I think that is possible by using Plugin instead of DCD.

Is there any helpful information on how to access the PMIC using assembler?

BR,

George

[igorpadykov · Accepted solution]

Hi George

unfortunately I am not aware of assembler examples, in general

one can look at baremetal sdk PF0100 (similar to PF3000) example

https://github.com/RT-Thread/rt-thread/blob/master/bsp/imx6sx/iMX6_Platform_SDK/sdk/common/pmic/pfus...

Best regards
igor

[george]

Dear @igorpadykov 

Thank you very much for your reply.

I see, I will try coding with reference to the SDK.

*Please let me know if you find any other better way.

BR,

George.