[U-Boot] onenand bad block handling

[Amit Kumar Sharma]

Hi,


> Hi all,
>
>  I am working on an ARM platform with OneNAND as the 
> permanent storage
> for u-boot, Linux kernel and rootfs. I am using 
> u-boot-2009.03 and linux
> kernel 2.6.27. I have some questions about the bad block 
> handling of
> OneNAND.
>
>  1. How does the u-boot handle bad block for onenand?
        Jsut skip the bad block and use only good bloks
>  2. If u-boot is creating a bad block table, does it need 
> to pass to
> the kernel? If not, how to ensure their bad block table 
> are in sync?
    no need to pass bad block from uboot, kernel will create 
table of bad blocks.
>  3. How to deal with bad blocks after the writing of the 
> u-boot, kernel
> and rootfs image? Is it the job of UBI?
        yes,  UBI will manage
>
>  Thanks in advance.
>
> Best regards,
> Geiger
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