am335x-bone.dts not exist

Tim Kientzle tim at kientzle.com
Mon May 25 22:19:44 UTC 2015


> On May 25, 2015, at 8:25 AM, Warner Losh <imp at bsdimp.com> wrote:
> 
>> 
>> On May 24, 2015, at 7:44 PM, Tim Kientzle <tim at kientzle.com> wrote:
>> 
>>> 
>>> On May 24, 2015, at 12:55 AM, Oleksandr Tymoshenko <gonzo at bluezbox.com> wrote:
>>> 
>>> 
>>>> On May 24, 2015, at 12:12 AM, Garrett Cooper <yaneurabeya at gmail.com> wrote:
>>>> 
>>>> On May 24, 2015, at 0:07, Oleksandr Tymoshenko <gonzo at bluezbox.com> wrote:
>>>> 
>>>>>> On May 23, 2015, at 7:21 PM, Andrey Fesenko <f0andrey at gmail.com> wrote:
>>>>>> 
>>>>>> # uname -a
>>>>>> FreeBSD des.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r283306: Sat
>>>>>> May 23 11:56:46 MSK 2015
>>>>>> root at des.local:/usr/obj/usr/src/sys/GENERIC  amd64
>>>>>> 
>>>>>> I'm build BEAGLEBONE with crochet.
>>>>>> 
>>>>>> build error
>>>>>> 
>>>>>> Mounting UFS partition 1 at /usr/obj/_.mount.freebsd
>>>>>> Installing U-Boot from : /usr/local/share/u-boot/u-boot-beaglebone
>>>>>> Error: beaglebone.dts:29.1-2 syntax error
>>>>>> FATAL ERROR: Unable to parse input tree
>>>>>> 
>>>>>> 
>>>>>> file /usr/src/sys/boot/fdt/dts/arm/beaglebone.dts contain #include
>>>>>> "am335x-bone.dts" but this file not existence. Need use am335x-evm.dts
>>>>>> or else?
>>>>> 
>>>>> 
>>>>> am335x-bone.dts in in sys/gnu/dts/arm/, it's a file provided by vendor (TI)
>>>>> 
>>>>> I guess crochet does not have this path as include path when compiling
>>>>> dts files.
>>>> 
>>>> Pardon me for being a bit daft potentially, but shouldn’t #include work for all dts files (look for #include in this doc: http://events.linuxfoundation.org/sites/events/files/slides/petazzoni-device-tree-dummies.pdf )?
>>>> Thanks!
>>>> 
>>> 
>>> 
>>> #include in dts file is handled by cpp(1). /include/ is handled
>>> by dtc I believe
>>> 
>>> You can take a look at how FreeBSD compiles dts files in
>>> sys/tools/fdt/make_dtb.sh
>>> 
>>> crochet does not have cpp stage of compilation and before my TI
>>> code/devicetree refactoring none of the dts files referenced in
>>> crochet used #include. That's why problem never appeared.
>>> 
>>> Fix is just a matter of fixing freebsd_install_fdt in lib/freebsd.sh.
>>> If nobody beats me to it I'll try to fix it and submit pull request to Tim.
>> 
>> I’m testing a fix for this now.
>> 
>> Thanks for providing such detailed information.
> 
> Is there any reason the standard dts to dtb script isn’t being used instead of enshrining another copy of that outside the tree which may break if/when we need to enhance the current script?

Until recently, this didn’t seem necessary; it was a lot simpler to just invoke dtc.

But times change:  https://github.com/freebsd/crochet/commit/22d7555

Tim



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