Genode on i.MX6Q Sabre Lite

[Stefan Kalkowski]

On 11/10/2017 12:05 PM, Yevgeny Lavrov wrote:
> Hi Stefan, Martin,
> 
> Thank you for your suggestions. Switching from .elf to uImage for
> Wandboard Quad actually did the trick, and now I can observe serial
> output. This is interesting, bootelf never failed me before. 

well, that's interesting indeed. Would be interesting to know what the
u-boot ELF loader makes different.

But it is good to hear that you can now proceed at least.

> 
> On Wed, Nov 8, 2017 at 3:06 PM, Martin Stein
> <martin.stein at ...1... <mailto:martin.stein at ...1...>> wrote:
> 
>     Hi Yevgeny, Stefan,
> 
>     Am 08.11.2017 um 11:29 schrieb Stefan Kalkowski:
>     > Actually, I have no idea why the HW kernel should not work for you. We
>     > test it all night, and currently _all_ tests for HW on Wandboard are
>     > green. I can confirm the trouble you experience with init.run and
>     > bomb.run on top of sel4. I think there exist resource limitations
>     > regarding Genode/Sel4 that lead to those problems.
>     >
>     > The only difference in between your setup, and our nightly test scenario
>     > is that we use u-boot's "uImage" format and the "bootm" command instead
>     > of the "bootelf" command, because the latter is not enabled in most
>     > pre-installed u-boot variants. You can produce a ready to use uImage
>     > when adding the following run-tool option to your "etc/build.conf":
>     >
>     >   RUN_OPT += --include image/uboot
>     >
>     > I should wonder if it makes any difference to boot the uImage instead of
>     > the ELF image, but maybe you can give it a try.
> 
>     Might it be that the u-boot versions differ and therefore the
>     pre-Genode hardware/uart initialization causes troubles with HW?
> 
>     Martin
> 
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-- 
Stefan Kalkowski
Genode Labs

https://github.com/skalk · http://genode.org/