[U-Boot] cache support make DaVinci dm365 quicker reading emmc

[Raffaele Recalcati]

On Wed, Jun 1, 2011 at 3:09 PM, Raffaele Recalcati
<lamiaposta71 at gmail.com> wrote:
> Thanks to:
>
> commit c3330e9d6a11b6ead4a2346001338ce884b5832b
> Author: Heiko Schocher <hs at denx.de>
> Date:   Fri Sep 17 13:10:30 2010 +0200
>
>    ARM (ARM926ejs): add data cache support, tested on magnesium and tx25 board
>
>
> My 'Basi' board, based on DaVinci dm365, can read the uImage (1.5MB)
> in 0.7 sec (with ext2load) instead of 2 sec.
> If I read using mmc read I can reach 0.3 sec, but I need to know the dimension.
>
> Take in account only that tftpboot doesn't work with dcache/icache enabled.
>

I have discovered that if I leave only icache enabled tftp works (more
more quickly than without icache).
So at the moment I enable by default dcache and icache, but, when
I need to do tftp, I disable dcache.

Hoping it helps,
Raffaele