[U-Boot] [U-Boot, v2, 1/2] common: Add support for Android DT image

[Tom Rini]

On Fri, May 18, 2018 at 09:47:55PM +0300, Sam Protsenko wrote:
> On 16 May 2018 at 15:08, Tom Rini <trini at konsulko.com> wrote:
> > On Thu, Apr 19, 2018 at 11:51:36PM +0300, Sam Protsenko wrote:
> >
> >> Android documentation recommends new image format for storing DTB/DTBO
> >> files: [1]. To support that format, two things should be done:
> >>
> >> 1. Add dt_table.h file from Android (BSD-3 relicensed version): [2].
> >>    This header defines structures and constants that we need to work
> >>    with that DT image format.
> >>
> >>    Changes:
> >>     - re-licensed from Apache to BSD-3
> >>     - removed functions declarations
> >>     - change the coding style to kernel (make checkpatch happy)
> >>
> >> 2. Add helper functions for Android DTB/DTBO format. In
> >>    image-android-dt.* files you can find helper functions to work with
> >>    Android DT image format, such us routines for:
> >>     - printing the dump of image structure
> >>     - getting the address and size of desired dtb/dtbo file
> >>
> >> [1] https://source.android.com/devices/architecture/dto/partitions
> >> [2] https://android.googlesource.com/platform/system/libufdt/+/58a7582180f477032cd6c74f8d9afad0038e74c3/utils/src/dt_table.h
> >>
> >> Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
> >
> > Why is it OK to change the license on the code?  AFAICT someone can't
> > just relicense Apache to BSD-3.  What happened for
> > include/android_image.h was that Google relicensed the Android code in
> > question to BSD-2 (which in turn allows us in GPL projects).  Thanks!
> 
> Ok, I will try to ask Google to do the same for the header I used. Do
> you know what exactly should be done? Do they need to publish
> relicensed file somewhere, or exactly in Android, or we just need a
> confirmation from their side? Also, which license is preferable for
> us?

I believe Alex helped us last time, and it was done, iirc, by someone
from Google submitting the file with the license we need and a
Signed-off-by from their google.com address.

-- 
Tom
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