[Buildroot] [PATCH v3 0/7] Add rpi3 b+ support

[Peter Seiderer <ps.report@gmx.net>]

Hello Martin,

On Fri, 16 Mar 2018 23:35:48 +0100, Thomas Petazzoni <thomas.petazzoni@bootlin.com> wrote:

> Hello,
> 
> On Fri, 16 Mar 2018 21:06:52 +0000, Martin Bark wrote:
> 
> > The only reason for this seems to be the use of the pi3-miniuart-bt
> > overlay.  Personally i never use this overlay, I set enable_uart=1 in
> > config.txt (the same as raspi-config does).  Is there a reason
> > buildroot favours the pi3-miniuart-bt overlay?  
> 
> I am not familiar with those configuration details of the RPi platform,
> but I remember they have been discussed in the past. Perhaps you can
> check the commit log for some details about them.
> 
> Especially this commit log:
> 
> commit 1e03cc2290f98fc7434254d2abd9afd504de8360
> Author: Peter Seiderer <ps.report@gmx.net>
> Date:   Mon May 2 22:25:44 2016 +0200
> 
>     raspberrypi3: fix serial console (load pi3-miniuart-bt overlay)
>     
>     - enable BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS in raspberrypi3_defconfig
>     - add copy of rpi-firmware/overlays directory to boot partition in genimage-raspberrypi3.cfg
>     - enhance post-image.sh script to add 'dtoverlay=pi3-miniuart-bt' on request
>     - add BR2_ROOTFS_POST_SCRIPT_ARGS="--add-pi3-miniuart-bt-overlay" in raspberrypi3_defconfig
>     
>     Signed-off-by: Peter Seiderer <ps.report@gmx.net>
>     Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> 

And the full discussion about the different solutions, see [1]...

I am still in prefer the overlay solutions ;-)

Regards,
Peter
 

[1] https://patchwork.ozlabs.org/patch/617683/
> Best regards,
> 
> Thomas