[U-Boot] Question: booting Linux from ext4 mmc partition

[Robert Nelson]

On Tue, Jan 7, 2014 at 1:26 PM, nidalpres <nidalpres at gmail.com> wrote:
> Hi Robert!
>
> I have 4-5 microsd cards (Kingston, SanDisk, Samsung),
> 4 and 8GB in size, tried two, same thing.
>
> I also tried vfat partition and disabled support for ext2 AND ext4
> completely in u-boot, and basically same thing happened.
>
> Then I tried to list/load files manually from vfat/ext4 partitions
> using u-boot command prompt. I can list vfat and ext4 partitions
> and load files from them into memory.
>
> However, once I load uImage file everything regarding mmc access
> and loading files breaks. I seems to me that loading one big file
> somehow corrupts something (hahah, very precise explanation).
> uImage is little over 4MB.

So if it's a failing at 4MB, at what "size" does it work as you maybe
over writing memory..

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/