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Can read the exact size of the image from NAND Flash device in u-boot?

Surendra Dhobale92789
Intellectual 670 points

Hi,

I am trying to read  the image data from NAND device. I flashed the MLO, u-boot.img ,uImage in entire indivisual raw partition.

I able to read the particular partitions in u-boot using nand read api provided in u-boot.

But when i am flashing the ubi.img with exact size , it flashed and boots properly. But for reading the image from NAND , with exact size of ubi.img , getting the error like  ECC: uncorrectable . What might be the issue?

Can we able to read the exact size of the image from the NAND ? or need to read the entire page?

Can any one help me ?