[meta-ti] Trouble booting BeagleBone Black

[Christian Gagneraud]

On 08/12/2013 07:03 AM, Bernard Mentink wrote:
> Hi All,
>
> I have just used Yocto with the meta-ti layer to build the minimal 
> image, placed all the files on an SD card and tried to boot ..
> It gets a couple of seconds into the kernel and hangs on mmc pin 
> setting, copy of the boot --> http://pastebin.com/0asaJ9tf
>
> Question: I built for MACHINE=beaglebone but I don't know if that is 
> for the while or black targets, or if there is a difference.
> I suspect the issue is with the device-tree file .. the tool built a 
> file called  uImage-am335x-bone.dtb, but when the kernel tried to 
> boot, it wanted a file called am335x-boneblack.dtb, so I just re-named 
> the produced file to that and I got the above boot sequence ..

Hi Bernie,

I did the same kind of build recently (10/15days ago, can't remember), 
and it worked like a charm, the same build (and images) can be used on 
all am335x boards (EVM, BB black/white, etc, but I tested only with the 
EVM and the BB black).

Basically, the bootloader detect the board it is running on and select 
the right DTB for you, cute! ;)
This imply that all DTB files have been installed on /boot of course, 
but you only need one MLO, u-boot and linux image.

Didn't try again since then.

My 2 cents, Chris.

>
> Maybe that is the wrong thing to do? Is there a way to get the build 
> to produce the am335x-boneblack.dtb file?
>
> Thanks,
> Bernie
>
>
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