From: nm@ti.com (Nishanth Menon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: OMAP5/DRA7: realtime_counter: Configure CNTFRQ register
Date: Wed, 18 Sep 2013 08:00:13 -0500 [thread overview]
Message-ID: <20130918130012.GB3579@kahuna> (raw)
In-Reply-To: <1379503416-26318-1-git-send-email-r.sricharan@ti.com>
On 16:53-20130918, Sricharan R wrote:
> The realtime counter called master counter, produces the count
> used by the private timer peripherals in the MPU_CLUSTER. The
> CNTFRQ per cpu register is used to denote the frequency of the counter.
> Currently the frequency value is passed from the
> DT file, but this is not scalable when we have other non-DT guest
> OS. This register must be set to the right value by the
> host OS, as this will be propagated to the guests as well.
>
> More discussions and the reason for adding this in a non-DT
> way can be seen from below.
> http://www.mail-archive.com/linux-omap at vger.kernel.org/msg93832.html
>
> So configuring this secure register for all the cpus here.
>
> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
> Cc: Nishanth Menon <nm@ti.com>
> Cc: Rajendra Nayak <rnayak@ti.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Tony Lindgren <tony@atomide.com>
> Signed-off-by: Sricharan R <r.sricharan@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
thanks for a better alternative.
[...]
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2013-09-18 13:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-18 11:23 [PATCH] ARM: OMAP5/DRA7: realtime_counter: Configure CNTFRQ register Sricharan R
2013-09-18 13:00 ` Nishanth Menon [this message]
2013-09-18 13:31 ` Santosh Shilimkar
2013-09-18 13:44 ` Sricharan R
2013-09-18 13:49 ` Santosh Shilimkar
2013-09-18 13:51 ` Sricharan R
2013-09-18 13:44 ` Nishanth Menon
2013-09-18 13:45 ` Santosh Shilimkar
2013-09-18 14:05 ` [PATCH] ARM: OMAP5: id: Remove ES1.0 support Nishanth Menon
2013-09-18 14:07 ` Santosh Shilimkar
2013-10-08 21:31 ` Tony Lindgren
2013-10-08 21:34 ` Santosh Shilimkar
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