Dear [email protected],

In message <[email protected]> you 
wrote:
>
> in my project, u-boot (2009.11) loads a large jffs2-rootfs  image (80 MB, w
> ith an attached crc32-checksum)  from SD-card into a NAND-Flash.
> To ensure the validity of the rootfs, i let u-boot then clear the RAM-part,
>  read back the rootfs from NAND into RAM, do a crc32 checksum over it and c
> ompare this
> checksum with the crc32- checksum that was attached to the image.
> This validity check takes about 70 seconds. Do you know a faster/better way
>  of checking the validity?

Please make sure your line length does not exceed some 70 characters
or so.  Thanks.


I smell this is on an ARM system? In this case you should update and
use a more recent version of U-Boot, where we have support for
caches.  This usually helps a _lot_.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected]
"It's when they say 2 + 2 = 5 that I begin to argue."    - Eric Pepke
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