[U-Boot] [PATCH 00/12] tegra: nyan-big: Support chainloading and add documentation

Simon Glass sjg at chromium.org
Fri Jul 7 03:58:48 UTC 2017


Hi Tom,

On 27 June 2017 at 14:09, Thomas Hoff <thomashoffltd at gmail.com> wrote:
> Thanks a bunch Simon (and everyone else who contributed)!
>
> I followed the instructions and was able to get uboot to boot successfully.
> :D
>
> Now I just got to figure out how to get the kernel to boot in HYP mode.
>
> Cheers,
>
> Thomas
>
>
>
>
>
> On Fri, Jun 9, 2017 at 5:27 AM, Simon Glass <sjg at chromium.org> wrote:
>>
>> Hi Stephen,
>>
>> On 7 June 2017 at 09:41, Stephen Warren <swarren at wwwdotorg.org> wrote:
>> > On 06/07/2017 09:32 AM, Tom Warren wrote:
>> >>
>> >> Simon,
>> >>
>> >>> From: Simon Glass
>> >
>> > ...
>> >>>
>> >>> On 1 June 2017 at 07:52, Matthew Gorski <matt.gorski at gmail.com> wrote:
>> >>>>
>> >>>>
>> >>>> On Wed, May 31, 2017 at 2:28 PM, Matthew Gorski
>> >>>> <matt.gorski at gmail.com> wrote:
>> >>>>>
>> >>>>> On Mon, May 22, 2017 at 7:17 AM, Simon Glass <sjg at chromium.org>>
>> >>>>> wrote:
>> >>>>>>
>> >>>>>>
>> >>>>>> Every now and then someone wants to chain-load U-Boot on a
>> >>>>>> Chromebook.
>> >>>>>> The procedure is not very complicated but there are some oddities.
>> >>>>>>
>> >>>>>> This series updates a few things with allow U-Boot to start on
>> >>>>>> nyan-big in this way and adds documentation on how to do it. This
>> >>>>>> provides a central place where the procedure on different devices
>> >>>>>> can
>> >>>>>> be documented.
>> >
>> > ...
>> >>>>>
>> >>>>> Thank You for this Simon!  Very much appreciated!  I am going to
>> >>>>> give
>> >>>>> this a try later tonight and report back my personal results...
>> >
>> > ...
>> >
>> >>>> Confirmed! Chain-loading working on my nyan_big.  I appreciate this
>> >>>> very much Simon and all who contributed.
>> >>>
>> >>>
>> >>> I'd like to pull in this series. Are there any comments / reviews? If
>> >>> affects both
>> >>> tegra and rockchip.
>> >>
>> >> I'm fine with it - I assume you'll pull it in to one of your repos and
>> >> post a PR to get it into mainstream U-Boot?
>> >> I don't have the HW to test on (my nyan-big has been shelved), but
>> >> trust
>> >> in Matthew's testing, and that Stephen's U-Boot test scripts will catch
>> >> any
>> >> problems, so LGTM.
>>
>> Thanks for looking at this.
>>
>> >
>> >
>> > Yes, my testing should catch most issues with any patches, although
>> > there
>> > are still some coverage holes:
>> >
>> > 1) I don't test cold boot; U-boot is always loaded over USB RCM which
>> > may
>> > hide bugs specific to cold booting.
>>
>> I tested cold bold on Nyan, but I use USB RCM also so don't normally
>> test cold boot.
>>
>> >
>> > 2) I only test on a few HW platforms (beaver, dalmore, Jetson TK1,
>> > p2371-0000, Jetson TX1)
>>
>> That's plenty :-)
>>
>> >
>> > 3) Obviously I don't test the new features introduced by this patch;
>> > chain-loading.
>>
>> It's OK I can rely on others for that so long as the changes are
>> acceptable to the normal boot case.

Is this ready to be applied at some point?

Regards,
Simon


More information about the U-Boot mailing list