4-bits ECC correction

[Danesh Daroui]

Hello all,

We are using a NAND flash memory which requires  4-bit ECC per 540 bytes. Since this is usually done by the MCU in a circuit and our MCU supports only 1-bit ECC, I wanted to ask whether it is possible (or maybe it has been done) to implement 4-bit ECC at driver/UBI or UBIFS level for the cases like we have that hardware, that is not able to support higher levels of ECC? 

Regards,

Danesh Daroui