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Flash change issue

Mario Raffin
Expert 2405 points


Dear all,

    The flash K9F1G08U0B for my DM365 board is no more available. The new component has the K9F1G08U0D.


The main difference is that the first has 1bit/512 byte ECC while the second 1bit/528 byte ECC.

I tried to update u-boot 1.3.4 installig the patch

http://processors.wiki.ti.com/index.php/DM365_Nand_ECC_layout

but I am still unable to write. Looking at the documentation it seems that davinci supports only 512 bytes ECC. But looking at the forum it seems that someone was able to write this flash.

Moreover the u-boot 2100.12-rc2 seems to work.

I am a bit confuse and I would understand if I can use this component.

  • 0
    Intellectual 565 points

    As for the physical device, I am it on some of my products. I haven't had any issues with it to date.

    As for firmware, I'm not using the TI supplied UBL or U-Boot, so I can't attest to what is going on there. Perhaps someone more familiar with them can comment.

  • 0 in reply to JPM
    Expert 2405 points

    Yes the u-boot 2010.12-rc2 works, even if I wonder why, supposed that the problem is the 1bit/512bytes vs 1bit/528 bytes of the new flash.

    The problem is that with this uboot the Montavista kernel does not boot I think I have to patch it in some way.