[PATCH v2 2/2] Add dts file to generate dtb binary file for Beaglebone black.
Sichen Zhao
zsc19940506 at outlook.com
Thu Jul 13 06:28:50 UTC 2017
在 2017年07月13日 14:10, Christian Mauderer 写道:
>
> Am 13.07.2017 um 08:05 schrieb Chris Johns:
>> On 13/07/2017 15:09, Christian Mauderer wrote:
>>> Am 13.07.2017 um 04:33 schrieb Chris Johns:
>>>> On 13/07/2017 12:22, Sichen Zhao wrote:
>>>>> 在 2017年07月12日 21:52, Gedare Bloom 写道:
>>>>>> On Tue, Jul 11, 2017 at 6:51 AM, Sichen Zhao <1473996754 at qq.com> wrote:
>>>>>>> +These files are imported from FreeBSD.
>>>>>>> +These files is licensed under the terms of the GNU General Public License * version 2.
>>>>>> We should not pollute the RTEMS sources with GPL2 code. Is there an
>>>>>> alternative approach to use?
>>>>> The another way is to directly use dtb binary file, but bin file also
>>>>> has a gpl2 license. So this way is not acceptable.
>>>>> Gedare said the scripts directory may be appropriate for rtems-tools.git
>>>>> or something. So i can provide a default one that can be used, it may be
>>>>> downloadable from somewhere e.g. in rtems-tools or from a FTP.
>>>>> And this is the way to keep GPL code from RTEMS sources.
>>>>> What do you think about?
>>>> The ftp site is ok but please make sure you have the source with any binary file
>>>> and all copyright details are valid.
>>>>
>>>> We should keep the rtems-tools.git repo as free of GPL as possible.
>>>>
>>>> Chris
>>>>
>>> Seems like no one wants the device tree files in any rtems repo. Do we
>>> need an extra rtems-devicetree repository for all BSPs that support
>>> device trees (currently two)?
>> Yeah, I do not really know. It is a sort of gray area and not only for the
>> licenses but how we integrate it. It is sort of like boot loaders and how they
>> fit in. I hope this discussion can finding a way we can make this work.
>>
>> My concern with rtems-tool.git is the license for it 2-clause BSD and then we
>> place some GPL code in it and users do not know and are caught out with
>> compliance issues. For example I have some GPL code in the rtemstoolkit which is
>> from libiberty [1]. I included as a way to get something working on all hosts
>> quickly. I would like to change this but need the time to do that. At the moment
>> rtems-tools is only on hosts so a bit simpler for users to manage.
>>
>>> Maybe one that just takes over the scripts
>>> from FreeBSD to import the device tree sources from Linux?
>> Does FreeBSD import the files into it's source tree from Linux?
>>
> Yes. See
> https://github.com/freebsd/freebsd/blob/master/sys/gnu/dts/FreeBSD-upgrade
>
>> Can I assume loading a GPL DTB does not pollute the application?
>>
> I can't say that for sure. But I'm quite sure there should be some
> discussion regarding that on the FreeBSD mailing list. They should have
> had the same problem when they initially imported the files.
>
> @Sichen Zhao: Maybe you can find something on the FreeBSD mailing list?
Yes, i will look at on FreeBSD ml about this topic.
>
>> Chris
>>
>> [1] https://git.rtems.org/rtems-tools/tree/rtemstoolkit/libiberty/pex-common.c
>>
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