[meta-freescale] [meta-fsl-arm][PATCH] linux-imx (3.0.35): Add Boundary Devices changes for imx6qsabrelite

[Daiane Angolini]

On Fri, Nov 30, 2012 at 10:16 AM, Gary Thomas <samoht.yrag at gmail.com> wrote:
> On 2012-11-29 08:48, Otavio Salvador wrote:
>>
>> We import the changes done in Bondary Devices tree and the defconfig
>> file provided by them.
>>
>> Change-Id: I63e2d7560735586581fd13d5df60b3d5e90d73a3
>> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>
>
> This does make my touch screen work, thanks.  My camera module (OV5640
> based) does
> not work though, but I've not researched it much yet.
>
> A couple of comments:
> * Could you put the changes under mx6q instead of imx6qsabrelite, much like
> the other
>   files/changes that are present?  I ask because I have a derivative
> platform which has
>   a different name (just sabrelite - I got tired of mistyping
> imx6qsabrelite) and the
>   patch was not applied until I moved it about.
I don´t think this patch must be applied for imx6qsabresd or
imx6qsabreauto. I prefer to keep it under imx6qsabrelite.

I understand you have derivative platform based on imx6 sabrelite
board. Let´s think a way to cover this kind of thing.

You may up-stream your derivative platform to meta-fsl-arm-extra and
proper configure its kernel.

> * More changes are necessary to make this useful for the target "out of the
> box", in particular:
>   - U-Boot needs to pass additional command line parameters to make the LCD
> panel work properly
You can generate a patch to be applied to your board only.

I don´t think it´s good to change the u-boot default for other boards.

>   - I use the micro-SD slot as does the BoundaryDevices setup, but U-Boot
> only wants to boot
>     from the full size SD card
What do you mean?
Are your internal memory properly configured?

>   - The touch screen needs some additional files/tuning for X to work
> correctly (the X axis
>     is backwards, etc)
I already saw something like that in the past.
A calibration file is needed under udev rules (as I remember).
It´s easy to include this file under meta-fsl-arm and I think it would
be great for imx6qsabrelite board.


>   - I'll investigate the camera soon (not top on my list yet)
Ok, when you do, please, send a different email regarding only this one.

>   - The recent changes, in particular xf86-video-imxfb-vivante, do not build
> under Yocto/master
>     which has moved to Xorg server version 1.13.
What do you mean? Is there any log? What was the used branch?

>   - Why is GCC not tuned for the Cortex-A9 (currently armv7a is used)?  I
> rebuilt using
>         DEFAULTTUNE = "cortexa9hf-neon"
>     which works fine and is more in line with other Cortex-A9 platforms,
> e.g. PandaBoard.
>
> I'll see about proposing patches for all of these soon
>
> Thanks
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