[U-Boot] [PATCH] LaCie kirkwood boards: allow disk > 2TB

["Frédéric Leroy" <fredo@starox.org>]

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Le 10/06/2013 15:44, Simon Guinot a ?crit :
> On Mon, Jun 10, 2013 at 03:30:53PM +0200, Frederic Leroy wrote:
> > From: Fr?d?ric Leroy <fredo@starox.org>
> >
> > For big disk support, we need LBA addressing on 64 bits
> > ---
> >  include/configs/lacie_kw.h | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/include/configs/lacie_kw.h b/include/configs/lacie_kw.h
> > index 09b5798..847afcd 100644
> > --- a/include/configs/lacie_kw.h
> > +++ b/include/configs/lacie_kw.h
> > @@ -111,6 +111,7 @@
> >  #define CONFIG_ENV_SPI_MAX_HZ           20000000 /* 20Mhz */
> >  #define CONFIG_SYS_IDE_MAXBUS           1
> >  #define CONFIG_SYS_IDE_MAXDEVICE        1
> > +#define CONFIG_SYS_64BIT_LBA /* Allow disk > 2.1TB */
>
> Hi Frederic,
>
> I see a comment at disk/part_efi.c:25. It claims that maximum size of
> addressable storage is limited to 2TB even with CONFIG_SYS_64BIT_LBA
> enabled. Is that not true anymore ?
I didn't see this comment.
With my patch, the "ide reset" command recognize nicely a 3TB harddrive.
Else, it reports the size % 2TB and then u-boot reports error in the GPT.

I can read the GPT and boot from a loaded file from the first partition.
However, an "ext2ls" on a partition at the end of the disk outputs garbage.

At least, the patch allow to use the first 2 TB for booting.

Regards,

- -- 
Fr?d?ric
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