Continuous booting for i.MX6ULL

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Continuous booting for i.MX6ULL

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jimmyli
Contributor III

Hi,

      Before, we have developed MCIMX6G2CVM05AB.

      Now, we are changing to MCIMX6Y2CVM05AB,and checking the hardware is OK.

      But, the board is booting in continuously.

      Below is the boot log, hope you can help us.

      Thanks. 

 

--------booting  log

U-Boot 2016.03 (May 27 2020 - 10:11:49 +0800)

CPU: Freescale i.MX6ULL rev1.1 69 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 45C
Reset cause: POR
Board: MX6ULL 14x14 EVK
I2C: ready
DRAM: 256 MiB
NAND: 1024 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment

Display: TFT70AB-1024x600 (1024x600)
Video: 1024x600x24
Card did not respond to voltage select!

NAND read: device 0 offset 0x400000, size 0x200000
2097152 bytes read: OK
Error: no valid bmp image at 83800000
In: serial
Out: serial
Err: serial
Net: FEC0
Error: FEC0 address not set.

Normal Boot
Press SPACE to abort autoboot in 1 seconds
boot from nand 路路路

NAND read: device 0 offset 0xa00000, size 0x800000
8388608 bytes read: OK

NAND read: device 0 offset 0x780000, size 0x40000
262144 bytes read: OK
Kernel image @ 0x80800000 [ 0x000000 - 0x640d00 ]
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300c788
ft_system_setup for mx6

Starting kernel ...

prefetch abort
pc : [<01000004>] lr : [<80801018>]
reloc pc : [<1c7e0000>] lr : [<9bfe1014>]
sp : 80e41ce0 ip : 8080188b fp : 80e40cfc
r10: 80008000 r9 : 80800190 r8 : 01000000
r7 : 80e51d20 r6 : 80008000 r5 : 80008000 r4 : 80e40cd4
r3 : 01000000 r2 : 80008000 r1 : 00000000 r0 : 80801978
Flags: Nzcv IRQs off FIQs off Mode SVC_32
Resetting CPU ...

resetting ...


U-Boot 2016.03 (May 27 2020 - 10:11:49 +0800)

CPU: Freescale i.MX6ULL rev1.1 69 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 49C
Reset cause: WDOG
Board: MX6ULL 14x14 EVK
I2C: ready
DRAM: 256 MiB
NAND: 1024 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment

Display: TFT70AB-1024x600 (1024x600)
Video: 1024x600x24
Card did not respond to voltage select!

NAND read: device 0 offset 0x400000, size 0x200000
2097152 bytes read: OK
Error: no valid bmp image at 83800000
In: serial
Out: serial
Err: serial
Net: FEC0
Er

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Jimmy

 

"prefetch abort" usually happens due to ddr errors, may be recommended to run ddr

test https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-6-7-DDR-Stress-Test-Tool/ta-p/11082...

and follow sect.3.2.1 Changing the DCD table for i.MX DDR initialization   i.MX Porting Guide

 

Best regards
igor

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jimmyli
Contributor III

Hi igor,

      Thanks for your suggestion.

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