[fedora-arm] u-boot plans for Fedora 22 ?

Robert Moskowitz rgm at htt-consult.com
Mon Mar 23 11:01:41 UTC 2015



On 03/21/2015 02:49 PM, Dennis Gilmore wrote:
> On Saturday, March 21, 2015 03:40:20 PM Hans de Goede wrote:
>> Hi,
>>
>> On 21-03-15 15:21, Hans de Goede wrote:
>>> Hi,
>>>
>>> On 06-03-15 23:50, Peter Robinson wrote:
>>>>> I assume that we will be rebasing u-boot to the just released v2015.01
>>>>> for F-22? But I was wondering if there is any chance we can jump to
>>>>> v2015.04 ? The reason I'm asking is that things are progressing
>>>>> quite rapidly on the u-boot side, at least with Allwinner SoC support,
>>>>> I've just send a pull-req for v2015.04 with the following highlights:
>>>>>
>>>>> 1) Improved sun6i (A31) support, including support for the A31s variant
>>>>> and
>>>>>
>>>>>      automatic assignment of a SoC serial based MAC address for ethernet
>>>>>
>>>>> 2) Full sun8i (A23) support including DRAM controller init and SPL, so
>>>>> now
>>>>>
>>>>>      people can boot these boards using a full FOSS solution
>>>>>
>>>>> 3) Many improvement to the graphical console support, automatic
>>>>> selection
>>>>>
>>>>>      of the native mode for HDMI/DVI monitors via DDC + EDID, LCD panel
>>>>>
>>>>> support,
>>>>>
>>>>>      VGA output support
>>>>>
>>>>> 4) Preparation work for OTG controller support, together with 3) this
>>>>> allows using
>>>>>
>>>>>      u-boot on tablets effortlessly. The rest of the OTG support is going
>>>>>
>>>>> upstream
>>>>>
>>>>>      through the usb tree
>>>>>
>>>>> And if possible I would like to see this end up in Fedora 22 :)
>>>> An initial build of 2015.04rc3 will be in rawhide tomorrow, so please
>>>> test, I've enabled a few extra new devices and I'll be reviewing the
>>>> rest of the new devices over the next week or so.
>>>>
>>>> Please test, once it's settled down and we're fairly certain all the
>>>> usual suspects haven't regressed we'll move it into F-22 before beta
>>>> starts to get locked down.
>>> I noticed that -rc4 has also been build, so I've given that a test-run
>>> on sunxi instead:
>>> http://koji.fedoraproject.org/koji/buildinfo?buildID=622061
>>>
>>>   From a sunxi pov this build looks good.
>> I have to take this back, it seems that this build is appending:
>>
>> " console=ttyS0,115200"
>>
>> To the kernel cmdline, I've just double-checked and this is not upstream
>> behavior, is this being done by Fedora specific patches ?
>>
>> This breaks kernel output and systemd status messages output on
>> tty0 / the hdmi output, resulting in a blackscreen until gdm
>> starts.
>>
>> As discussed a while back, the proper way to do is set
>> stdout-path in the devicetree to the serial console, then the
>> kernel will automatically make it a second console, next to tty0
>> and output messages on both, and systemd will output messages
>> and spawn gettys on both too.
>>
>> Upstream u-boot is already setting stdout-path for all sunxi
>> devices, so from a sunxi pov the appending of " console=ttyS0,115200"
>> is a regression. If this is done for some other boards, it would
>> be better to either patch those boards dts files to set stdout-path,
>> or u-boot to set stdout-path rather then appending " console=ttyS0,115200"
>> and breaking video output. If you can tell me which specific boards
>> need work here I can whip up a patch (for others to test).
> I suspect that no other boards are doing so, I was not aware that you had
> gotten that upstream yet. we will need to drop the patch that automatically
> adds the console from u-boot. every other system will need to be looked at.

This sounds like the behaviour I reported a while back on my Cubies.  
That is the HDMI blanks out and it is some time before anything 
appears.  All messages only appear on the serial console.




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