[yocto] [meta-raspberrypi] Compute Module 3 machine .conf questions

[Steve Pavao]

Hi Andrei,

We were able to verify that we could directly use the raspberrypi3-64.conf for the cm3 as 64-bit, as you had suggested.  Thanks for that suggestion.

It just seemed a bit confusing that there is only one cm3 machine conf, and it tunnels through to a rpi2.  All the online doc about the cm3 mentions the rpi3.  A colleague wonders if there are any differences that 
someone was planning to eventually use that cm3 conf to enumerate, otherwise - having a cm3 conf seems like unnecessary duplication.

Thanks again for your help!

- Steve Pavao
Korg R&D


> On May 1, 2018, at 9:39 AM, Andrei Gherzan <andrei at gherzan.ro> wrote:
> 
> Hi Steve,
> 
> On Tue, May 1, 2018 at 12:40 AM, Steve Pavao <stevep at korgrd.com <mailto:stevep at korgrd.com>> wrote:
> Hello,
> 
> My company has bought a Raspberry Pi Compute Module 3 for evaluation, and I have a 2 questions about the supplied machine .conf files for it.
> 
> 1. Should the supplied raspberrypi-cm3.conf file internally refer to the Raspberry Pi 3 instead of the Raspberry Pi 2, since the RPi3 is the hardware basis of the Compute Module 3?
> 
> RaspberryPi 3 is currently almost the same as RaspberryPi 2 in terms of configuration. What is the problem you are facing? 
>  
> 2. Should there also be an additional .conf file supplied in the meta-raspberry pi layer for a 64-bit version of poky Linux for the Compute Module 3, just as there is a raspberrypi3-64 machine .conf for the RPi3?
> 
> You can use directly raspberrypi3-64 as far as I am aware. The cm confs are used as aliases right now. They point to one of the Raspberrypi 2 or 3 machine configurations.
> 
> --
> Andrei G.

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