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- Re: Yocto on Nitrogen6x board ?
Yocto on Nitrogen6x board ?
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Hi,
I am currently working on a Boundary Devices Nitrogen6x board, on which I would like to use a Yocto-based image since it's the only adequate image I could build for my BD-SL iMX6Q board.
I followed this guide to build an image for my Nitrogen6x board, but when I turn it on it doesn't seem to be working: nothing appears on the HDMI monitor connected to it, and I don't get anything on my serial console. The boot switches are on the "Fuses" position.
Is this the proper way to build a Yocto image for the Nitrogen6x board? If not, how should I build one?
Any help would be greatly appreciated.
Solved! Go to Solution.
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Which Yocto branch are you using?
Poring through the logs, I can see that:
- You're running a recent U-Boot (February 2013)
- Your kernel command-line looks good
- The kernel is seeing two partitions on the SD card:
mmcblk0: mmc0:b368 3.73 GiB mmcblk0: p1 p2
- Your kernel looks quite old:
Linux version 3.0.35-2026-geaaf30e-12.09.01+yocto+g0596856
- Your kernel is also a straight Freescale release from 12.09:
~/linux-imx6$ git show eaaf30e | head commit eaaf30efdc8dfeb03418bde1499a76c9903bd211 Author: Chen Liangjun Date: Thu Sep 13 21:28:11 2012 +0800 ENGR00224245 HDMI AUDIO: stop/start PCM while unplug,blank/plug, unblank
- Your CPU is Silicon Revision 1.2:
CPU: Freescale i.MX6Q rev1.2 at 792 MHz
It's very likely that the crash you're experiencing is because the 12.09 kernel release didn't fully support TO 1.2.
Can you try using the latest (dylan) Yocto branch?
If so, you'll also want to switch to the nitrogen6x machine type (even on SABRE Lite).
There's a demo image on-line here:
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GParted doesn't show the full details. In particular, it doesn't say whether that leading 4MiB is given a partition or whether it's simply un-allocated.
Can you run fdisk -l instead
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Ok. This looks good.
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I'm not sure what to do. It is a problem with U-Boot witch is stored in flash of the board.
Have a look at this
http://boundarydevices.com/u-boot-conventions-for-i-mx6-nitrogen6x-and-sabrelite/
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Here are two posts on the subject:
http://boundarydevices.com/yocto
Yocto with Boundary Device's Nitrogen6X: 5 steps only! - O.S. Systems live
The O.S. Systems link has the step-by-step instructions.
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Hello Eric,
I followed the O.S Systems guide is the one I followed to build my Yocto image which doesn't seem to work on my Nitrogen6X board.
