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  1. #1

    Problems with JFFS2 on MCS8144


    I'm working on a project using an MCS8144.

    I have built the kernel and flash filing system binaries, and if I load them onto an evaluation board with an M25P128 flash fitted it runs successfully. If I copy the same code to a board fitted with S25FL512S I get the following error "jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0080000: 0x2398 instead". For both flash devices I see the following message:
    Flash Found: 10220

    mcspi spi0.0: S25FL512S (65536 Kbytes)

    Creating 4 MTD partitions on "SPI Flash":

    0x00000000-0x00040000 : "Bootloader"

    0x00040000-0x00080000 : "Enviroment"

    0x00080000-0x00280000 : "bZimage"

    0x00280000-0x04000000 : "RootFS"

    This confirms to me that both flash devices are being identified and setup correctly.

    Can someone please explain why the S25FL512S device won't work?

    Kind regards

    Last edited by AJEllisuk; 08-22-2012 at 03:53 PM.

  2. #2

    I have fixed the problem I was having. I had specified the wrong page size for the flash chip I was using.


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