flash

matt_hsu matt_hsu at openmoko.org
Wed Jul 9 04:29:37 CEST 2008


Werner Almesberger wrote:
> Andy Green wrote:
>   
>> Is this because U-Boot (active at DFU time) doesn't use hw ECC then?
>> Otherwise it would all come out in the wash?
>>     
>
> Yup. Or, alternatively, we could try to make u-boot use the same
> algorithm in software. Not sure what's easier to do.
>
> Matt, you figured that one out when we had the same problem a while
> ago on HXD8. Do you remember whether this was solved or if we just
> worked around it by using the kernel (and not u-boot) to write the
> rootfs ?
>   
Well, we just write the rootfs via mtd utility at kernel layer.
And DFU did not do hw ECC handling at U-boot. You will see countless ECC 
errors if you enable hw ECC logic for kernel and program the rootfs via 
u-boot.

Matt
> - Werner
>   




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