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i.MX6ull Change DDR3 from 512 Mb to 1Gb

Question asked by Analogics Tech India Limited on Nov 3, 2018
Latest reply on Nov 8, 2018 by igorpadykov

Dear Team,

 In our custom board i.MX6ull Changed DDR3 from 512 Mb to 1Gb ,facing the issue in DDR stress  test failed. we used ISSI part IS43TR16512BL-125KBL (attached datasheet),kindly resolve the problem.

 

below log will give the clear information:

============================================
DDR Stress Test (2.9.2)
Build: Sep 17 2018, 23:08:48
NXP Semiconductors.
============================================

============================================
Chip ID
CHIP ID = i.MX6 UltraLiteLite(0x65)
Internal Revision = TO1.1
============================================

============================================
Boot Configuration
SRC_SBMR1(0x020d8004) = 0x00000052
SRC_SBMR2(0x020d801c) = 0x01000001
============================================

ARM Clock set to 528MHz

============================================
DDR configuration
DDR type is DDR3
Data width: 16, bank num: 8
Row size: 16, col size: 10
Chip select CSD0 is used
Density per chip select: 1024MB
============================================


DDR Stress Test Iteration 1
Current Temperature: 46
============================================

DDR Freq: 396 MHz
t0.1: data is addr test
t0: memcpy11 SSN test
t1: memcpy8 SSN test
t2: byte-wise SSN test
t3: memcpy11 random pattern test
t4: IRAM_to_DDRv2 test
t5: IRAM_to_DDRv1 test
t6: read noise walking ones and zeros test

DDR Freq: 413 MHz
t0.1: data is addr test
t0: memcpy11 SSN test
Address of bank1 failure: 0x88270100
Data initally read was: 0x0100
Data re-read is: 0x0100
But pattern was: 0xffff
Error: failed to run stress test!!!

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