Error or data is addr test at i.MX8 DXL system

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Error or data is addr test at i.MX8 DXL system

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jongkyu
Contributor I

We got i.MX 8DXL A1 System from NXP in munich

It attached Micron (16-bit, LP42400, 1GB). I replaced it samsung memory "K4F4E164HD-THCL"

it's a 16-bt, LP4 2400, 0.5GB

So, I changed some parameters in RPA files. 

Device Information  
SoC:iMX8DXL
Memory type:LPDDR4
Manufacturer:Micron
Memory part number:MT53D512M16D1
Density per channel per chip select (Gb)1:4
Number of Channels (based on Bus Width)31
Number of Chip Selects used21
Total DRAM density (Gb)4
Number of bits for ROW address216
Number of bits for COLUMN address210
Number of bits for BANK address23
Number of BANKS28
Bus Width16
Clock Cycle Freq (MHz)1200
Clock Cycle Time (ns)0.833333333
DDRC0 Base Address (do not modify)5C000000
PHY0 Base Address (do not modify)5C010000

after run stress test, It shows fail as below,

 

DDR configuration

DDR type is LPDDR4

Data width: 16, bank num: 8

Row size: 16, col size: 10

One chip select is used 

Number of DDR controllers used on the SoC: 1

Density per chip select:   1024MB 

Density per controller is: 1024MB 

Total density detected on the board is: 1024MB 

 

Command Bus Training was executed 

No DDR data training errors detected for DDRC0

============================================

 

MX8QXP: Cortex-A35 is found

 

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

DDR Stress Test Iteration 1

  -------------------------------- 

  --Running DDR test on region 1-- 

  -------------------------------- 

 

t0.1: data is addr test

...Address of failure: 0x00000000A0000000

Data read was:   0x0000000084000000

But pattern was: 0x0000000080000000

Also I tried to change row address from 16 to 15, 14 It that case shows as below as below

 

VREF training error detected 

  Write DQS2DQ training error detected 

 

 

 

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igorpadykov
NXP Employee
NXP Employee

Hi Jongkyu

 

unfortunately i.MX8DXL processors are not publicly released yet and support

for them can be provided through local marketing channels.

 

Best regards
igor

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dineshkumark
Contributor I

What maximum density of LPDDR4 i.MX8 DXL supports, Please suggest the part number for 4GB density. [or More].

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