[meta-freescale] R: Imx53 sd card read write timing

[Daiane Angolini]

On Thu, Oct 31, 2013 at 12:35 PM, Simone <cjb.sw.nospam at gmail.com> wrote:
> Nobody can help me?
>

I don´t know your kernel. And I´m not sure which u-boot you´re using.
It may be anything!

But, the only thing that came to my mind is L2 cache enabled or not.

Do you know if you have enabled L2 cache?


Daiane

> Simone
>
>
> -----Messaggio originale-----
> Da: Simone [mailto:cjb.sw.nospam at gmail.com]
> Inviato: mercoledì 30 ottobre 2013 20:22
> A: <meta-freescale at yoctoproject.org>
> Oggetto: Imx53 sd card read write timing
>
> Dear all,
> I've finished today to port our changes from the old FSL kernel we used
> (2011 version, v11.05) for our board based on imx53qsb.
>
> Everything is working fine now, using the FSL kernel from Master branch,
> except one thing.
> Compared to the previous (very old) version of the kernel, we noted that the
> uSD card read/write timings are a lot more slower than before (also the
> system kernel loading, seems two times than before)
>
> Now i really don't know where to point my finger first.
> Maybe something inserted in the sdhc driver? Or the journaled filesystem?
>
> Really i don't know.
>
> Does someone have faced a similar problem in the past?
>
> Thank you so much
> My best regards
> Simone
>
>
>
>
>
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