From: Kevin Hilman <khilman@kernel.org>
To: Mauro Ribeiro <mdrjr0@gmail.com>
Cc: Abhilash Kesavan <kesavan.abhilash@gmail.com>,
Abhijeet Dev <abhijeet@abhijeet-dev.net>,
Joonyoung Shim <jy0922.shim@samsung.com>,
linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
Chander Kashyap <k.chander@samsung.com>,
Kukjin Kim <kgene.kim@samsung.com>
Subject: Re: exynos5422-odroid-xu3: MCPM: only 6 of 8 CPUs coming online
Date: Mon, 27 Oct 2014 12:00:28 -0700 [thread overview]
Message-ID: <7hwq7ll4mr.fsf@deeprootsystems.com> (raw)
In-Reply-To: <CAGc3s_dEk6S82JgSbueML8_68-hdEKhLrY1G0k+kcg+YJ77JmQ@mail.gmail.com> (Mauro Ribeiro's message of "Sat, 25 Oct 2014 10:47:05 -0200")
Mauro Ribeiro <mdrjr0@gmail.com> writes:
> As I wrote you previously outside the list this is the commit "ARM:
> EXYNOS: SWRESET is needed to boot secondary CPU on exynos3250" that I
> was expecting it to fix XU3 as well and apparently it is..
I'm not sure about that, since I haven't been able to get that to work.
> Next week if everything goes as I plan I'll check if I can use the
> same code to enable the A7's on XU3 as well.
> If its possible to use the same code I'll try to upstream this next week.
Excellent. I'd love to see a patch against mainline that using that
function that works on the XU3. Note that mainline is using MCPM and
that patch solves the problem for the older platsmp method.
> It would be nice if Samsung could tell what in our u-boot (provided by
> LSI) is needed to be changed as I can just push any changes to our
> u-boot.
Yes, I completely agree. This seems to me like a bootloader bug and the
best solution here would be to have a bootloader fix.
Kevin
next prev parent reply other threads:[~2014-10-27 19:00 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-09 3:06 exynos5422-odroid-xu3: MCPM: only 6 of 8 CPUs coming online Abhilash Kesavan
2014-10-09 21:58 ` Kevin Hilman
2014-10-15 11:35 ` Joonyoung Shim
2014-10-17 12:06 ` Kevin Hilman
2014-10-23 1:04 ` Joonyoung Shim
2014-10-23 1:17 ` Joonyoung Shim
2014-10-23 1:25 ` Mauro Ribeiro
2014-10-23 1:36 ` Joonyoung Shim
2014-10-23 1:42 ` Mauro Ribeiro
2014-10-23 1:49 ` Joonyoung Shim
2014-10-23 1:54 ` Joonyoung Shim
2014-10-23 8:36 ` Abhijeet Dev
[not found] ` <CAG30XQJ29cM6=OFh=TTbR2rfWGt3AK1o2=PMqdoq6ejUJtUwGA@mail.gmail.com>
[not found] ` <A804D1798D614199AFA7AEDC00248EA9@sisodomain.com>
2014-10-23 15:56 ` Kevin Hilman
2014-10-24 14:33 ` Abhilash Kesavan
2014-10-24 16:00 ` Kevin Hilman
2014-10-25 12:47 ` Mauro Ribeiro
2014-10-27 19:00 ` Kevin Hilman [this message]
2014-10-23 18:01 ` Kevin Hilman
-- strict thread matches above, loose matches on Subject: below --
2014-10-08 18:58 Kevin Hilman
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