Hi Sharma-san,
If I use u-boot to write kernel image to onenand that the kernel image
across bad blocks, will u-boot able to skip blocks during read and
successfully boot up the kernel?
Also, same case for rootfs, if I write JFFS2 format rootfs to onenand
using u-boot, how does the kernel handle the rootfs if rootfs across bad
blocks?
Many thanks.
Best regards,
Geiger
Amit Kumar Sharma wrote:
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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