BeagleBone Black Networking (wifi and/or wired)

[Sebastian Huber]

On 11/06/2019 10:19, Christian Mauderer wrote:
>> For example running libbsd with a beaglebone booted without a device tree
>> crashes with a NULL pointer access when libbsd checks the magic value in the DTB
>> header (I could not quickly find how libbsd is passed the DTB pointer from the
>> BSP). If you provide a DTB but use `mkimage` with the RTEMS output format (`-O
>> rtems`) libbsd crashes because the RTEMS format image loading in u-boot does not
>> handle device trees. We need to use the Linux format which is not an obvious
>> thing to do. As a result you need to have a very precise set up or you get a low
>> level crash.
>>
> I'm not entirely sure but I think that the Linux format should be the
> default now. I think the RTEMS format is more or less a legacy one. I
> did a grep in the rtems-docs and all three mkimage calls show a "-O linux".

If you use the device tree, then the image format must be "linux". See 
the U-Boot sources for the details.

-- 
Sebastian Huber, embedded brains GmbH

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