Hello.
I'm trying to create a custom linux distribution from yocto project and
running it in a Nanopi Neo2 board, so I'm using your meta-sunxi layer in
order to use the correct kernel and u-boot version for this board.
However, I'm having this error when the board tries to boot from a SD card:
*U-Boot 2018.03-gf95ab1f (Oct 07 2018 - 23:32:30 +0000) Allwinner
Technology*
*CPU: Allwinner H5 (SUN50I)*
*Model: FriendlyARM NanoPi NEO 2*
*DRAM: 512 MiB*
*MMC: SUNXI SD/MMC: 0*
*Loading Environment from FAT... *** Warning - bad CRC, using default
environment*
*Failed (-5)
*
*Loading Environment from MMC... *** Warning - bad CRC, using default
environment*
*Failed (-5)
*
*In: serial
*
*Out: serial
*
*Err: serial
*
*Net: No ethernet found.
*
*starting USB...
*
*No controllers found
*
*Hit any key to stop autoboot: 0
*
*switch to partitions #0, OK
*
*mmc0 is current device
*
*Scanning mmc 0:1...
*
*Found U-Boot script /boot.scr
*
*495 bytes read in 13 ms (37.1 KiB/s)
*
*## Executing script at 4fc00000
*
*** Unable to read file allwinner/sun50i-h5-nanopi-neo2.dtb **
*
*19495424 bytes read in 973 ms (19.1 MiB/s)
*
*ERROR: Did not find a cmdline Flattened Device Tree
*
*Could not find a valid device tree
*
*SCRIPT FAILED: continuing... *
*(...)*
So basically sun50i-h5-nanopi-neo2.dtb file is not found although I have
confirmed that it is stored in the ext3/ext4 partition, under the /boot/
directory.
Do you have any idea why this is happening?
What I am currently doing to generate the image is:
1- Clone the poky repository, as well as the sunxi meta-layer and
its dependency: meta-openembedded.
2- Change MACHINE variable to nanopi-neo2 in build/conf/local.conf
3- Add the meta-openembedded meta-oe, meta-python and meta-networking
layers to build/conf/bblayers.conf file.
4- Generate core-image-base using bitbake.
The image is generated without errors and I'm using dd command to write
core-image-base-nanopi-neo2.sunxi-sdimg
into SD card.
I hope you understand what I'm asking and, hopefully, you will be able to
help me with the information I gave you. Nevertheless, I'm available to
explain anything that was not quite clear.
Thank you in advance.
Ana Almeida
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