[Freedreno] Prebuild fedora kernel for IFC6410

XoD xoddark at gmail.com
Tue Aug 26 10:27:57 PDT 2014


You are really fast to respond :)

Ok for connector, I just have a new multimeter to be tested. :)

For the kernel I have detail what I do here :
https://lists.fedoraproject.org/pipermail/arm/2014-August/008225.html

I look-at and test your upstream boot img.

Thank you.


2014-08-26 19:20 GMT+02:00 Rob Clark <robdclark at gmail.com>:

> On Tue, Aug 26, 2014 at 11:54 AM, XoD <xoddark at gmail.com> wrote:
> > Big, thank you Rob, with your help I have do progress.
> >
> > For heatsink I not found with thermal paste, I prefer to, it's more
> "clean".
> > you have add a fan in addition ? And if yes, do you plug it on the board
> > (for supply) ?
>
> there is a two pin 5V connector, between the CSI/camera connector and
> the expansion connector, which should be fine to run a 5V fan..  check
> which pin is +5 and which is GND with a multimeter before hooking
> anything up.
>
> > I have sucessfully build kernel and ifc6410 dtb. And create an boot
> image,
> > but the image don't boot the board (no output on serial console).
> > I have send, in this regard, an email on fedora-arm mailing list to not
> > bother you more (peraps not the more appropriate mailing list).
>
> what branch?  what kernel cmdline?  what config?
>
> I have a random semi-recent upstream kernel here, which does boot:
>
> https://people.freedesktop.org/~robclark/tmp/ifc6410-boot-upstream.img
>
> you can check the cmdline and /proc/config.gz to get the config I was
> using, and use those as a starting point
>
> BR,
> -R
>
> > XoD
> >
> > 2014-08-21 17:36 GMT+02:00 Rob Clark <robdclark at gmail.com>:
> >
> >> On Thu, Aug 21, 2014 at 11:09 AM, XoD <xoddark at gmail.com> wrote:
> >> > Hello Rob, sorry to bother you again, I have some new question for you
> >> > :).
> >> >
> >> > First it's about heat sink and fan, do you have fixed it on board ?
> >> > The thermal paste I have is fuild, so the heat sink move when I touch
> >> > them.
> >> > And how you have supply the fan ? I have by one, but not use it for
> now.
> >>
> >> hmm, the small heatsink I'm using had thermal tape, rather than paste.
> >> Maybe thermal tap is less efficient than paste (not sure), but it is
> >> probably a better choice given that there are no mounting holes for a
> >> heatsink
> >>
> >> > Second it's about prebuild kernel image. I have tried to build a
> >> > up-to-date
> >> > kernel, and I like to integrade them into a prebuild image for
> fastboot.
> >> >
> >> > I have a zImage for kernel, I have append dtb.
> >> > I have the bootimg.cfg from the prebuild image on freedreno.
> >> > But I need a initrd.img, How I can build it for my kernel, or can I
> use
> >> > the
> >> > one in your prebuild kernel ?
> >> > Or do you think I can create a kernel boot image from kernel and
> initrd
> >> > file
> >> > instaled by fedora ?
> >>
> >> easiest way is probably to extract the initrd.img from one of my
> >> prebuilt kernels.  Fwiw, the way I generated it was just to take a
> >> generic arm fedora initrd and strip out unneeded kernel modules to
> >> reduce the size.
> >>
> >> > And last, about fastboot, for now I don't have removed the android
> from
> >> > board memory.
> >> > for now to reboot in fastboot mode, I launch the board in android, and
> >> > use
> >> > the commande "adb reboot-bootloader" tu restart the board in fastboot
> >> > mode.
> >> > There is a method to do this from linux ? Or I should use a jumper to
> >> > force
> >> > fastboot startup.
> >>
> >> I use the jumper method
> >>
> >> BR,
> >> -R
> >>
> >>
> >> >
> >> > Thank you.
> >> >
> >> > XoD
> >> >
> >
> >
>
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