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Linux/AM4376: QSPI boot questions

Part Number: AM4376

Tool/software: Linux

Hello All,

 We are using AM4376 based custom board and trying to boot from QSPI-NOR flash with size 64MB.

 We create partiton of 58 MB for rootfilesystem in QSPI

 We remove unwanted component from rootfilesystem provided by TI and create rootfilesystem around 120 MB.

 We create jffs2 image using this rootfilesystem which have size 55 MB.

 can we use jffs2 filesystem with above mention size to boot board from QSPI-NOR flash?

 is there any limitation since original size(120 MB) of rootfilesystem is larger than size(58) rootfs partioin created for  QSPI-NOR flash?

Regards,

Dhananjay Patil