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From: Jens Rehsack <rehsack@gmail.com>
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To: Daiane Angolini <daiane.list@gmail.com>
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Subject: Re: Right lib-imx/firmware-imx ... versions
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Am 23.07.2014 um 17:45 schrieb Daiane Angolini <daiane.list@gmail.com>:

> On Wed, Jul 23, 2014 at 11:51 AM, Jens Rehsack <rehsack@gmail.com> =
wrote:
>>=20
>> Am 23.07.2014 um 16:19 schrieb Daiane Angolini =
<daiane.list@gmail.com>:
>>=20
>>> On Tue, Jul 22, 2014 at 2:24 AM, Jens Rehsack <rehsack@gmail.com> =
wrote:
>>>> Hi,
>>>>=20
>>>> as mentioned in my very first post here, we're trying to get a =
board
>>>> running with yocto with a bsp for linux-imx-3.0.35_4.1.0 (bdde708).
>>>>=20
>>>> As firmware-imx we have 3.0.35_4.0.0 (tried 3.10.17, too - without
>>>> difference).
>>>=20
>>> Long story short: Stick to one branch and use it, with the kernel
>>> version and the imx-lib/gpu/imx-vpu/firmware version already there. =
It
>>> was what we tested someway.
>>=20
>> But there is no Yocto support for imx-lib-3.0.35_4.1.0, neither that
>> imx-vpu nor gpu-viv-lib-mxq version. Only 3.10.9 and 3.10.17 is =
included
>> (daisy has only 3.10.17).
>=20
> I don=B4t remember exactly which version was used in each branch. =
Sorry.
> I can only say to you that using the branch as-is, was enough to my
> uses.
>=20
>=20
>>> Or, let=B4s be more practical. Have you tested your GPU integration?
>>> What is the GPU driver version in your kernel, and your GPU =
user-space
>>> version?
>>=20
>> Nope, how can I do that (fsl for dummies - I'm happy controlling =
Yocto
>> meanwhile). Just bitbake imx-test or something more?
>=20
>=20
> For this kernel:
> =
http://git.yoctoproject.org/cgit/cgit.cgi/meta-fsl-arm/tree/recipes-kernel=
/linux/linux-imx_3.0.35.bb?h=3Ddora
>=20
> Use this GPU user space
> =
http://git.yoctoproject.org/cgit/cgit.cgi/meta-fsl-arm/tree/recipes-graphi=
cs/gpu-viv-bin-mx6q?h=3Ddora
>=20
> hfp or sfp....
>=20
> The Original 3.0.35-4.0.1 is not compatible with
> gpu-viv-bin-mx6q_3.10.9-1.0.0, that=B4s why there is a patch to =
upgrade
> 3.0.35 to GPU driver p13

I didn't see that patch, digging for unless ... bsp porting isn't an =
option.

> However, it does not mean that this combination is free of bug.
>=20
> And remember it=B4s only a hint. As you said at first, community does
> not support linux-imx-3.0.35 any more.

I took a look into differences between imx_3.10.17_1.0.0_ga and
wandboard_imx_3.10.17_1.0.0_ga to get a picture what I have to hack to
port the bsp from 3.0.35 to 3.10.17 - but I miss the place where
previously platform initialization happened =
(arch/arm/mach-mx6/board-mx6q_sabresd.*)

Is there a suitable guide explaining bsp porting from imx_3.0.35_4.1.0 =
to
imx_3.10.17_1.0.0?

Cheers
--=20
Jens Rehsack
rehsack@gmail.com