[U-Boot] Bug#897671: u-boot does not work on sheevaplug

[klaus.goger at theobroma-systems.com]

> On 09.05.2018, at 10:19, Markus Krebs <Markus.Krebs at web.de> wrote:
> 
> Am 08.05.2018 um 22:54 schrieb Vagrant Cascadian:
>> On 2018-05-08, Vagrant Cascadian wrote:
>>> On 2018-05-05, Tom Rini wrote:
>>>> On Sat, May 05, 2018 at 04:04:08PM -0700, Vagrant Cascadian wrote:
>>>>> Markus Krebs discovered that the sheevaplug target has again grown and
>>>>> installation overlaps where the u-boot env is saved since u-boot
>>>>> ~2017.09. Running saveenv overwrites u-boot, and installing u-boot
>>>>> overwrites any prior environment settings.
>> ...
>>>> I've added the maintainer to the list as well.  I would suggest looking
>>>> for things to trim out, perhaps CMD_MEMTEST ?
>>> 
>>> Thanks for the suggestsions. CMD_MEMTEST wasn't present, but disabling
>>> EFI_LOADER made u-boot 2018.05 go from 592k down to 548k. There's not a
>>> *lot* left to disable in the config, but that's a significant start...
>> And setting SYS_THUMB_BUILD=y as well as disabling EFI_LOADER gets it
>> down to 432k! Thanks to beeble for the suggestion.
>> Anyone who has a sheevaplug can test that it actually boots with
>> CONFIG_SYS_THUMB_BUILD=y enabled?
> 
> I could test it, but I don't know the config-file where I can change those options (EFI_LOADER, CONFIG_SYS_THUMB_BUILD).

Both are Kconfig options. So just disable it via menuconfig or in your .config file