error on ddr4 training on imx8mn

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error on ddr4 training on imx8mn

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_angelo_
Contributor III

Hi all,

i am using 

MX8 DDR Stress Test V3.30
Built on Nov 24 2021 11:14:49
*****************************************

 

On imx8mn, and MT40A1G16RC-062E:B 

After launching ddr training, i get:

- MMU and cache setup complete

*************************************************************************
ARM clock(CA53) rate: 1500MHz
DDR Clock: 1200MHz

============================================
DDR configuration
DDR type is DDR4
Data width: 16, bank num: 8
For DDR4, bank num is the total of 2 bank groups and 4 banks per group
Row size: 17, col size: 10
One chip select is used
Number of DDR controllers used on the SoC: 1
Density per chip select: 2048MB
Density per controller is: 2048MB
Total density detected on the board is: 2048MB
============================================

MX8M-nano: Cortex-A53 is found

*************************************************************************

============ Step 1: DDRPHY Training... ============
---DDR 1D-Training @1200Mhz...
[Process] End of initialization
PMU: Error: Dbyte 0 couldn't find the rising edge of DQS during RxEn Training
PMU: ***** Assertion Error - terminating *****
[Result] FAILED

 

PCA9450 is initialized properly, i can see 1.2V generated.

Every help is appreciated.

 

 

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hector_delgado
NXP TechSupport
NXP TechSupport

Hi @_angelo_ ,

I hope you're doing well!

You can try using version 3.31 from i.MX 8M Family DDR Tool Release - NXP Community to see if it makes a difference. 

But what I'd recommend is using Config Tools for i.MX (Config Tools for i.MX Applications Processors | NXP Semiconductors) which has DDR testing features through it's DDR Tool component. 

Let me know if this was of any help.

Best regards,
Hector.

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_angelo_
Contributor III

Thanks for the help.

We had some hw issues. Regards,

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hector_delgado
NXP TechSupport
NXP TechSupport

Hi @_angelo_ ,

I hope you're doing well!

You can try using version 3.31 from i.MX 8M Family DDR Tool Release - NXP Community to see if it makes a difference. 

But what I'd recommend is using Config Tools for i.MX (Config Tools for i.MX Applications Processors | NXP Semiconductors) which has DDR testing features through it's DDR Tool component. 

Let me know if this was of any help.

Best regards,
Hector.

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