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Creating jffs2 for NOR flash file system

Referring to the wiki :http://processors.wiki.ti.com/index.php/DM816x_AM389x_PSP_U-Boot#Creating_JFFS2_File-system

The command to create a jffs2 file system is shown as below:

mkfs.jffs2 -lqn –e 128 -r target -o /tftpboot/rd-jffs2.bin

The argument -e 128 indicates the block erase size for NAND, however, I could not find the block erase size in the datasheet for the NOR. I'm using the DM816x, C6A816x, AM389x EVM, and the NOR used is Spansion S29GL512P11TFI010.

Do I remove the argument "-e 128" while creating jffs2 for NOR flash since NOR is random accessible ?

 

Sorry if I'm asking something obvious, thanks for any help !