[fedora-arm] Update on Allwinner / sunxi u-boot support

[Hans de Goede]

On 08/01/2014 09:57 AM, Dennis Gilmore wrote:
> On Fri, 01 Aug 2014 00:20:19 +0200
> Hans de Goede <hdegoede at redhat.com> wrote:
> 
>> Hi,
> 
>> On 07/31/2014 02:58 PM, Dennis Gilmore wrote:
>>> On Thu, 31 Jul 2014 10:16:00 +0200
>>> Hans de Goede <hdegoede at redhat.com> wrote:
>>>
>>>> Hi,
>>>
>>>> On 07/30/2014 10:48 AM, Hans de Goede wrote:
>>>>> Hi Dennis et al,
>>>>>
>>>>> As you may have heard Ian Campbell and I have become u-boot
>>>>> custodians for sunxi boards.
>>>>>
>>>>> As such we've been working hard to get sunxi support into
>>>>> shape for the upcoming v2014.10 release.
>>>>>
>>>>> Yesterday sun4i (the original A10) and sun5i (A13 / A10s)
>>>>> support got merged to complete the existing sun7i (A20) support,
>>>>> as well as most of the PSCI code needed to do smp + hyp mode on
>>>>> the A20.
>>>>>
>>>>> I've just send a pull-request adding AHCI, EHCI and PSCI support +
>>>>> support for 14 new boards. You can find the branch for this here:
>>>>>
>>>>> http://git.denx.de/?p=u-boot/u-boot-sunxi.git;a=shortlog
>>>>>
>>>>> So assuming that F-21 will use v2014.10 that should put us in
>>>>> pretty good shape wrt sunxi support. I would like to make sure
>>>>> that Fedora can use upstream u-boot as-is. AFAIK we still need
>>>>> to do some work wrt unified distro support /
>>>>> config_distro_defaults.h e.g. I think we need to specify the dts
>>>>> file name for each board config somewhere for thinks to work ootb,
>>>>> correct ?
>>>>>
>>>>> Dennis, can you provide a minimal patch on top of the above branch
>>>>> needed to get things to work ootb on one board, e.g. the
>>>>> cubietruck ?
>>>
>>>> A quick update on this, Stephen Warren (nvidia) has posted an
>>>> updated version of your "config: introduce a generic $bootcmd",
>>>> and that just got Acked, so hopefully that will make it into
>>>> v2014.10:
>>>
>>>> http://patchwork.ozlabs.org/patch/375060/
>>>
>>>> It would be nice to also sunxi converted to this upstream.
>>>
>>>> This means that you need to post a conversion patch this weekend
>>>> the latest, otherwise it will be too late for the freeze (freezes
>>>> in u-boot are based on the posting of v1 of a patch).
>>>
>>>> I can try to do this myself this weekend, but chances are that
>>>> I won't have time for this.
>>>
>>> I can try and get something together for you. I was not planning on
>>> using 2014.10 at all. But I think that given whats going in, we
>>> should move to it. I do need to get a Fedora 21 Test Compose out
>>> this week. sorry for the slow response, because i was directly
>>> copied on the email it went though an unusual path of my procmail
>>> recipes and ended up in a folder I do not often check. as it gets
>>> mostly spam.
> 
>> Ok, so I've managed to get write a patch for this myself, currently it
>> only sets the dtb filename for the bananapi, I will add to all the
>> other boards tomorrow and then submit it upstream, in the mean time
>> you can find it here:
> 
>> https://github.com/jwrdegoede/u-boot-sunxi/commits/next
> 
>> The last commit there is a slightly cleaned-up version of your:
>> "automatically add console= to bootline when not existing"
> 
>> patch, I would also like to submit that one upstream, may I add
>> your (Dennis)' Signed-off-by to it ?
> 
> NAK, I was planning to drop the patch entirely, while its useful in
> some cases, it breaks things like plymouth working, as well it will
> force anaconda installs to always be text over the serial port.
> wandboard and cubox-i for instance boot happily without a console= line
> and you get plymouth on the screen when video is initialised. having it
> add the console line if u-boot has the console set to serial would be
> okay. I think it needs some more thought and careful planning.

Ok, note I had already send the patch to the u-boot list for review
(without your Signed-off-by for now). I've replied to it just now
quoting your reply from above.

Lets discuss this further on the u-boot list.

Regards,

Hans