[U-Boot] Remove sparc archiecture?

[Masahiro Yamada]

2015-10-19 23:54 GMT+09:00 Francois Retief <fgretief at spaceteq.co.za>:
> Hallo Daniel,
>
>> -----Original Message-----
>> From: Daniel Hellstrom [mailto:daniel at gaisler.com]
>> Sent: 18 October 2015 11:30 PM
>> To: Masahiro Yamada <yamada.masahiro at socionext.com>
>> Subject: Re: [U-Boot] Remove sparc archiecture?
>>
>> On 10/18/2015 05:20 PM, Masahiro Yamada wrote:
>> > (+CC Francois)
>> >
>> >
>> > 2015-10-18 21:24 GMT+09:00 Tom Rini <trini at konsulko.com>:
>> >> On Sun, Oct 18, 2015 at 06:19:16AM -0600, Simon Glass wrote:
>> >>
>> >>> Hi,
>> >>>
>> >>> It looks like sparc has no maintainer and has not been converted to
>> >>> generic board. Should we remove it?
>> >> Well, not quite "no maintainer", but... Daniel?  SPARC is in need of
>> >> some work (and possibly a new toolchain too, I stopped building it all
>> >> the time due to a false positive warning the 3.4.4 toolchain I have
>> >> gives).  Thanks!
>> >>
>> >> --
>> >> Tom
>> >
>> > I see generic board work for SPARC
>> >
>> > http://patchwork.ozlabs.org/patch/404616/
>> > http://patchwork.ozlabs.org/patch/404618/
>> > http://patchwork.ozlabs.org/patch/404617/
>> > http://patchwork.ozlabs.org/patch/404619/
>> > http://patchwork.ozlabs.org/patch/404620/
>> > http://patchwork.ozlabs.org/patch/404622/
>> > http://patchwork.ozlabs.org/patch/404621/
>> > http://patchwork.ozlabs.org/patch/404624/
>> > http://patchwork.ozlabs.org/patch/404623/
>> >
>> > but, Daniel was not responding...
>> >
>> >
>> > Perhaps, replace the maintainer if Francois agrees?
>>
>> I regret to say that I've been too busy last two years and I don't see a
>> change during 2015 either.
>>
>> I would not like to see the SPARC port removed now that the LEON
>> community grows as new LEON3 and LEON4 chips comes to market. WIth
>> multi-core and higher frequency there is a growing interest in u-boot
>> from the LEON community.
>>
>> Nowadays there are LEON GCC targets mcpu=leon,leon3,leon3v7 so it should
>> be possible to setup a working toolchain based on GCC-4.9 which we use
>> for Linux and RTEMS. In the past I've used a GCC-4.4 toolchain from
>> Cobham Gaisler.
>>
>> If Francois agrees it is probably a good idea to let him take over the
>> SPARC as he has put work into both BSP and architecture. Although I
>> would like to acknowledge my interest in u-boot and I hope and believe
>> that my efforts will be resumed in the future. Francois, if you feel it
>> is too much a temporary replacement could also be an option if the
>> u-boot project allows it.
>
> Yes, I am willing to take over as maintainer until such time that Daniel is ready
> to resume his effort in future. We are investing in the LEON as archtecture and
> would like to see U-Boot support for SPARC continuing into the future.
>
> Daniel, I would just like to ask if you could stay on as an advisor, if at all possible.
> I have only access to one LEON3FT board at the moment and may require advice
> on other devices as time goes by.  I will try to keep questions consise and as
> infrequent as possible for you.
>
> Will rebase my patch set to the latest release this week and resend them for review.
> Masahiro, what version of GCC is prefered (if any) for the next release  of U-Boot.
> I am currently using the GCC-4.4 toolchain from Cobham Gaisler.


I am not familiar with SPARC architecture at all, but
I use kernel.org one for build test.

https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/

x86_64-gcc-4.9.0-nolibc_sparc-linux.tar.xz


Please note, I have not tested it on any real sparc boards.


-- 
Best Regards
Masahiro Yamada