[U-Boot] Flash not Erased
Stefan Roese
sr at denx.de
Thu Jun 20 08:00:21 CEST 2013
Hi Jan,
On 19.06.2013 17:35, Jan Schunke wrote:
> I am trying to compile my own U-Boot for microblaze.
> Version:
> U-Boot 2013.01-dirty (Jun 19 2013 - 16:26:51)
> microblazeel-xilinx-linux-gnu-gcc (crosstool-NG 1.15.3) 4.6.4 20120924
> (prerelease)
> GNU ld (crosstool-NG 1.15.3) 2.22.90.20121010
>
> I have demo where Flash access works fine.
> Verion:
> U-Boot 2012.10 (Feb 13 2013 - 20:16:43)
> microblazeel-xilinx-linux-gnu-gcc (crosstool-NG 1.15.3) 4.6.2 20111018
> (prerelease)
> GNU ld (crosstool-NG 1.15.3) 2.21.53.20110813
>
>
> When I use my own u-boot and try to write to flash I always get
>
> "Flash not erased"
>
> it seems to be a problem that my flash is x16 but recognized as x8.
>
> Are there any Config variables to set the mode to x16?
This is a known problem. Those chips connected in x8 mode are known to
currently not work correctly with the common CFI NOR flash driver. Could
you please try the following patch:
http://patchwork.ozlabs.org/patch/249707/
And let us know if this fixes the problem?
Thanks,
Stefan
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