i.MX6D change from emmc4.51 to emmc5.0 keeps rebooting

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i.MX6D change from emmc4.51 to emmc5.0 keeps rebooting

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disheng
Contributor III

Hi,

Currently we are using 4G MTFC4GACAAAM-1M-WT (emmc 4.51) from Micron on our MX6DQSCM-QWKS board with Android 5.1 and need to replace with MTFC4GACAJCN-1M WT(emmc 5.0). However, with the new emmc, the board will keep restarting after boot animation screen. 

I have checked the kernel mmc.c that it already recognize emmc 5.0 and in the log there is no error message from mmc.

Compare the logs from current emmc(normal boot) and new emmc(keeps restarting), the only notable difference is the current emmc has "mmc3:0001 P1XXXX partition 3 128 KiB" while new emmc has "mmc3:0001 Q2J54A partition 3 512 KiB".

Does anyone have some ideas?

Thanks in advance!

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Bio_TICFSL
NXP TechSupport
NXP TechSupport

Hello disheng,

 

BootROM of MX6QD checks EXT_CSD_REV, but it does not support eMMC5.0

and fall back to flow for eMMC4.4. In general, one can try solutions on link below

https://community.nxp.com/t5/i-MX-Processors/eMMC-8GB-to-4GB-crash-on-linux-yocto-boot/m-p/373231

 

Regards

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322 Views
Bio_TICFSL
NXP TechSupport
NXP TechSupport

Hello disheng,

 

BootROM of MX6QD checks EXT_CSD_REV, but it does not support eMMC5.0

and fall back to flow for eMMC4.4. In general, one can try solutions on link below

https://community.nxp.com/t5/i-MX-Processors/eMMC-8GB-to-4GB-crash-on-linux-yocto-boot/m-p/373231

 

Regards

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disheng
Contributor III

Hello,

Thanks for your reply, we tried another board and it works so it is just hardware problem.

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