[yocto] Where to look when literally nothing happens?

[Outback Dingo]

On Thu, Nov 1, 2018 at 6:50 PM Outback Dingo <outbackdingo at gmail.com> wrote:
>
> On Thu, Nov 1, 2018 at 6:33 PM Erik Hoogeveen
> <erik.hoogeveen at outlook.com> wrote:
> >
> > Hello,
> >
> > I’m rather new to embedded software and Yocto. I hope this is the right place to ask. If not I’d appreciate it if someone could point me the right way to do so.
> >
> > I’m trying to make a Yocto build for a raspberry pi 3. I’ve got it booting and doing things on a regular plain vanilla Raspberry pi 3 board. It boots and over serial console I can log in and do things.
> > But the ultimate target is to run this image on my own board which is built around a Raspberry Pi Compute Module 3 Lite. Since regular Raspbian (what’ I’ve used so far) works fine on both boards without modification I assumed that this would be the case as well with this image I made myself. But it turns out I was wrong.
> >
> > When I take the image from the build and stick it in my compute module board, literally nothing happens. The boot sequence doesn’t seem to even begin, I get nothing on the serial console, and none of the peripherals like the ethernet ever come to life either.
> >
> > And since nothing happens I really have no idea where to look for a solution. I’m guessing this is a bit of a noob issue? It would be great if someone could point me in a direction to look at.
>
> you probably built for a raspberrypi3 or raspberrypi3-64 ffor the 64bit
>
> i believe the compute module 3 target is raspberrypi-cm3
>
> you could pretty muuchh do a diff uunder the meta-raspberryypi ffor
> the differences in whats built


Yupp see
The choices for MACHINE are

raspberrypi (BCM2835)
raspberrypi0 (BCM2835)
raspberrypi0-wifi (BCM2835)
raspberrypi2 (BCM2836 or BCM2837 v1.2+)
raspberrypi3 (BCM2837)
raspberrypi-cm (BCM2835)
raspberrypi-cm3 (BCM2837)


see.... https://jumpnowtek.com/rpi/Raspberry-Pi-Systems-with-Yocto.html

its a good read on PIs


>
> >
> > Kind regards,
> > Erik Hoogeveen.
> > --
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