barebox on RaspberryPi2 and Pi3

barebox on RaspberryPi2 and Pi3

[Jens Maus]

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Hello Barebox developers,

I am currently trying to use barebox for one of my embedded linux projects which is mainly targeted for the RaspberryPi hardware platform. I was already able to compile barebox (v2017.11 using rpi_defconfig) and successfully run it on an old RaspberryPi1 Model B version using the „barebox-raspberry-pi-1.img“ file as a kernel image. It shows up on my serial console using 115200/8N1 and I am able to play around with the console commands.

However, when I use the „barebox-raspberry-pi-2.img“ file together with a RaspberryPi2 nothing shows up on the serial console. Also using an old version (v2017.09) doesn’t show up anything and the green LED on the Pi2 just flashes in a 1 second interval. The same happens with a Pi3 and nothing shows up on the serial console or the HDMI connection.

As the changelog states that at least the Pi2 should be supported I wonder what could be the reason why I am only able to get barebox running on the old RaspberryPi1 Model B hardware but not on newer RaspberryPi models.

Any help would be appreciated.

Best Regards,

Jens
-- 
Jens Maus, Dresden/Germany
http://jens-maus.de/

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Re: barebox on RaspberryPi2 and Pi3

[Sascha Hauer]

Hi Jens,

On Sat, Dec 09, 2017 at 11:32:13PM +0100, Jens Maus wrote:
> Hello Barebox developers,
> 
> I am currently trying to use barebox for one of my embedded linux
> projects which is mainly targeted for the RaspberryPi hardware
> platform. I was already able to compile barebox (v2017.11 using
> rpi_defconfig) and successfully run it on an old RaspberryPi1 Model B
> version using the „barebox-raspberry-pi-1.img“ file as a kernel image.
> It shows up on my serial console using 115200/8N1 and I am able to
> play around with the console commands.
> 
> However, when I use the „barebox-raspberry-pi-2.img“ file together
> with a RaspberryPi2 nothing shows up on the serial console. Also using
> an old version (v2017.09) doesn’t show up anything and the green LED
> on the Pi2 just flashes in a 1 second interval. The same happens with
> a Pi3 and nothing shows up on the serial console or the HDMI
> connection.
> 
> As the changelog states that at least the Pi2 should be supported I
> wonder what could be the reason why I am only able to get barebox
> running on the old RaspberryPi1 Model B hardware but not on newer
> RaspberryPi models.

I don't have any hardware here, so all I can say is: It should work, at
least on the Pi2. Could you maybe try an older version? Lucas introduced
multiimage support with e8fab18835a1, so I believe a commit close to
this one should work since Lucas tested it.

Sascha


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