On Wed, Apr 5, 2017 at 12:50 AM, 나종식 <[email protected]> wrote:
> hi,
>
> I connected the bbb board and the 4dcape-70 display device.
> When the bbb board booting, it is not displayed.
>
> I added the following to the file.(uEnv.txt )
> -> dtb=am335x-boneblack-4dcape-70t.dtb

don't set that.. (it was only for v3.14.x)

>
> There is no file(am335x-boneblack-4dcape-70t.dtb) called dtd in the folder
> below. Is that the cause?
>   -> /boot/dtbs/4.9.20-ti-r27/
>
> Or are there other causes?
>
> My bbb board environment.
> -  Kernel : 4.9.20-ti-r27
> -  RootfIle : Ubuntu 16.04 LTS

switch to u-boot overlays:

http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays

and the 4dcape-70t will be auto detected by u-boot

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

-- 
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