[meta-freescale] Image building and deployment to SMARC-sAMX6i

[Dirk Berar]

Hello Heikki,

once more, thank you!

I am currently not working on the project related with the yocto stuff.
Soon I will come back to the project. I will report on my progress.

Regards
Dirk

Heikki Sarkanen schrieb:
> Hello Dirk,
> 
> If you are running something GPU intensive I would recommend
> upgrading at least to 3.10.53 kernel so then you could use the newer
> GPU drivers. With daisy/3.10.17 you cannot:
> https://lists.yoctoproject.org/pipermail/meta-freescale/2015-April/013234.html
> I have tried Qt 5.4 on X11 and Wayland. Both of them got some
> performance boost from that update. Although I have not tested how
> this benefits on FB. It's a bit hard to follow what have changed in
> Vivante GPU but documents like this one:
> http://cache.freescale.com/files/32bit/doc/support_info/IMX6YOCTOPATCHRN.pdf
> at Freescale listing:
> http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX6Q&fpsp=1&tab=Documentation_Tab
> gives some hints. Also this:
> https://community.freescale.com/docs/DOC-104266 explains something
> about the compatible versions and all things around Yocto and iMX6.
> 
> I didn't have any big issues on the upgrade to 3.10.53 although I
> skipped some of the backlight related patches. Biggest thing for me
> was LVDS driver related changes in devicetree:
> http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/commit/arch/arm/boot/dts?h=imx_3.10.53_1.1.0_ga&id=b8a5656180f4eee73437263c58d1973a89454843
> But following the Freescale and Congatec examples:
> https://git.congatec.com/arm/qmx6_kernel/commit/23ba00c5aeabc44decbaf151c733a1add38390cf
> it was easy though. I would be interested of the results especially
> if you go straigth to 3.14.28.
> 
> And let's hope that Kontron does the official update soonish.
> 
> BR, Heikki
> 
> ________________________________________ From:
> meta-freescale-bounces at yoctoproject.org
> <meta-freescale-bounces at yoctoproject.org> on behalf of Dirk Berar
> <d.berar at stagetec.com> Sent: 09 July 2015 14:35 To:
> meta-freescale at yoctoproject.org Subject: Re: [meta-freescale] Image
> building and deployment to SMARC-sAMX6i
> 
> Hello Heikki,
> 
> thank you for the informations!
> 
> Especially the link to the "gpu performance" thread is very
> interesting for me, because we're running a javafx project on top of
> FB based opengl.
> 
> I didn't make the step to fido yet. So it's also interesting for me
> to hear about your success.
> 
> Kind Regards Dirk
> 
> Heikki Sarkanen schrieb:
>> Hello Andreas and Dirk,
>> 
>> Nice to see other SMARC-sAMX6i users. I have also tried to ask 
>> Kontron official support for FSL Community BSP but without luck
>> yet. I hope if there is enough of us so we may get it someday.
>> 
>> As I have understood there was some intention to add the FSL 
>> Community BSP support last December: 
>> https://lists.yoctoproject.org/pipermail/meta-freescale/2014-December/011842.html.
>>
>> 
But when Otavio asked for some more things like support for master
>> branch and U-boot recipe they didn't continue.
>> 
>> They did some experiments on March with newer meta-fsl-arm master, 
>> but for some reason they haven't released nothing more than the
>> patch for daisy. Maybe the reason for that was this GPU performance
>> gap between master(current fido) and dizzy branches: 
>> https://lists.yoctoproject.org/pipermail/meta-freescale/2015-March/013135.html.
>>
>> 
I have done my own experiment to rebase their daisy patch on top of
>> fido and 3.10.53 kernel. It seems to work pretty well, just
>> waiting if Kontron comes up with official patch someday.
>> 
>> When you get access to their EMD Customer section you will find
>> that PDF documentation provided with the patch is pretty good. I
>> have found using NFS boot the easiest way to deploy the rootfs and
>> device tree to eMMC. It is also well documented by Kontron (chapter
>> 7.5). Also they have great support (must go through your HW
>> supplier) for their own U-boot fork if you need to change something
>> there. Good luck!
>> 
>> BR, Heikki Sarkanen
>> 
>> ________________________________________ From: 
>> meta-freescale-bounces at yoctoproject.org 
>> <meta-freescale-bounces at yoctoproject.org> on behalf of Andreas 
>> Enbacka <andreas.enbacka at gasera.fi> Sent: 08 July 2015 18:53 To:
>> Dirk Berar Cc: meta-freescale at yoctoproject.org; Otavio Salvador
>> Subject: Re: [meta-freescale] Image building and deployment to
>> SMARC-sAMX6i
>> 
>> Hello Dirk,
>> 
>> Thank you very much for the detailed steps, it will be of great
>> help. I have still to wait for access to the Kontron customer
>> support section, will be able to test it out after that.
>> 
>> Best regards, Andreas
>> 
>>> 8 jul 2015 kl. 18:27 skrev Dirk Berar <d.berar at stagetec.com>:
>>> 
>>> Hi Andreas,
>>> 
>>> I asked Kontron to contribute to the community. Unfortunately
>>> they didn't until today. Poor.
>>> 
>>> I'll try to give you a little help from my documentation. Do the 
>>> following from scratch:
>>> 
>>> # to install the repo tool (and a bunch of other software) under 
>>> Ubuntu # 12.04 or 14.04 $ sudo apt-get install phablet-tools
>>> 
>>> $ mkdir fsl-community-bsp; cd fsl-community-bsp $ repo init -u 
>>> https://github.com/Freescale/fslcommunity-bsp-platform \ -b
>>> daisy
>>> 
>>> # The Kontron BSP is based on daisy. I also tried dizzy 
>>> successfully.
>>> 
>>> # pull the sources $ repo sync
>>> 
>>> # apply the Kontron Patch for SMARC-sAMX6i $ cd 
>>> sources/meta-fsl-arm-extra $ patch -p1 < 
>>> /path/to/smarc-samx6i-support-R01.00.diff
>>> 
>>> # initialise Yocto Build Environment $ cd ~/fsl-community-bsp $ 
>>> MACHINE=smarc-samx6i . ./setup-environment [build-directory]
>>> 
>>> # start Yocto Build $ bitbake core-image-full-cmdline
>>> 
>>> I also tried "core-image-sato" successfully. Interesting, if you 
>>> have connected a LVDS display.
>>> 
>>> To flash the Yocto image to the board, use the live media of the 
>>> Linaro based BSP (Linux_BSP_SMX6 1.2): 
>>> http://emdcustomersection.kontron.com/wp-content/plugins/download-monitor/download.php?id=1164
>>>
>>>
>>>
>>> 
Good luck
>>> Dirk
>>> 
>>> Otavio Salvador schrieb:
>>>> On Wed, Jul 8, 2015 at 11:00 AM, Andreas Enbacka 
>>>> <andreas.enbacka at gasera.fi> wrote:
>>>>> I am currently trying to build a Yocto image for the 
>>>>> SMARC-sAMX6i (SMARC evaluation kit from Kontron), and have
>>>>> some questions regarding it. First, what reference image
>>>>> recipe is suitable for the SMARC-sAMX6i eval kit? And second,
>>>>> what is the optimal way to deploy / flash the Yocto image to
>>>>> the board? Any information would be greately appreciated.
>>>> Kontron is not supported by the FSL Community BSP so the right 
>>>> place to ask for help is their support channel. Plus, pester
>>>> them to add proper support to the community so your turn-key 
>>>> experience will be nicer next time ;)
>>>> 
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> 
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