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IMX6UL DDR Test tool Stress Test

Question asked by Alberto Lubeiro on Feb 19, 2016
Latest reply on Jun 6, 2016 by Yuri Muhin

Hi all,

 

I have a customized board based on a IMX6UL with the DDR3 ref MT41K64M16TW-107 from Micron.

Our script file is modified from the one of the MCIMX6UL-EVK. PLease find it attached.

 

The fact is that when i try to pass a Stress test it always fail at ADDR 0x80002100 and when i hit it again it increases the ADDR failed in blocks of 0x40 like 0x80002140, 0x80002180 etc...

I have also made this test:

1- Download the script.

1- Read 32 words from 0x87003000. They are rubish.

2- Try a stress tess. It fails at address 0x80002100

3- Read again 32 words from 0x87003000. Atonishly they are correctly written.

How does this tool work? does it write the whole memory despite the stress test fails for example in addr 0x80002100 and at the end it shows the addr in which the test has failed? it looks like it does.

 

Thanks and best regards

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