From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/7] ARM: mvebu: Enable Performance Monitor Unit on Armada 375 SoC
Date: Wed, 22 Oct 2014 15:04:22 +0100 [thread overview]
Message-ID: <20141022140421.GL22642@leverpostej> (raw)
In-Reply-To: <1413985427-20918-6-git-send-email-ezequiel.garcia@free-electrons.com>
On Wed, Oct 22, 2014 at 02:43:45PM +0100, Ezequiel Garcia wrote:
> The Armada 375 SoC has a Cortex-A9 CPU, and so the PMU is available
> to be used. This commit enables it in the devicetree.
>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
> ---
> arch/arm/boot/dts/armada-375.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
> index de65714..f131cd2 100644
> --- a/arch/arm/boot/dts/armada-375.dtsi
> +++ b/arch/arm/boot/dts/armada-375.dtsi
> @@ -55,6 +55,11 @@
> };
> };
>
> + pmu {
> + compatible = "arm,cortex-a9-pmu";
> + interrupts-extended = <&mpic 3>;
> + };
Just to check - the interrupts from both CPUs are muxed into a single
line into the interrupt controller?
This isn't gonig to work at the moment -- the perf code will associate
this interrupt with CPU0 and you'll lose events on CPU1.
Hopefully there's a separate interrupt for CPU1?
Mark.
> +
> soc {
> compatible = "marvell,armada375-mbus", "marvell,armada370-mbus", "simple-bus";
> #address-cells = <2>;
> --
> 2.1.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
next prev parent reply other threads:[~2014-10-22 14:04 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-22 13:43 [PATCH 0/7] Armada 375/38x perf support, and a bonus irqchip driver simplification Ezequiel Garcia
2014-10-22 13:43 ` [PATCH 1/7] irqchip: armada-370-xp: Simplify interrupt map, mask and unmask Ezequiel Garcia
2014-10-31 16:36 ` Gregory CLEMENT
2014-11-04 15:11 ` Ezequiel Garcia
2014-11-10 17:09 ` Gregory CLEMENT
2014-10-22 13:43 ` [PATCH 2/7] irqchip: armada-370-xp: Initialize per cpu registers when CONFIG_SMP=N Ezequiel Garcia
2014-11-12 10:30 ` Gregory CLEMENT
2014-10-22 13:43 ` [PATCH 3/7] irqchip: armada-370-xp: Introduce a is_percpu_irq() helper for readability Ezequiel Garcia
2014-10-22 13:58 ` Mark Rutland
2014-10-22 15:14 ` Ezequiel Garcia
2014-10-22 13:43 ` [PATCH 4/7] irqchip: armada-370-xp: Enable Performance Counter interrupts Ezequiel Garcia
2014-10-22 13:43 ` [PATCH 5/7] ARM: mvebu: Enable Performance Monitor Unit on Armada 375 SoC Ezequiel Garcia
2014-10-22 14:04 ` Mark Rutland [this message]
2014-10-22 22:16 ` Ezequiel Garcia
2014-10-23 9:14 ` Thomas Petazzoni
2014-10-23 11:51 ` Ezequiel Garcia
2014-10-23 12:07 ` Thomas Petazzoni
2014-10-23 12:19 ` Ezequiel Garcia
2014-10-23 13:18 ` Mark Rutland
2014-10-31 16:23 ` Ezequiel Garcia
2014-10-23 9:41 ` Mark Rutland
2014-10-22 13:43 ` [PATCH 6/7] ARM: mvebu: Enable Performance Monitor Unit on Armada 380/385 SoC Ezequiel Garcia
2014-10-22 14:06 ` Mark Rutland
2014-10-22 22:18 ` Ezequiel Garcia
2014-10-22 13:43 ` [PATCH 7/7] ARM: mvebu: Enable perf support in mvebu_v7_defconfig Ezequiel Garcia
2014-10-22 14:11 ` Mark Rutland
2014-10-22 15:33 ` Ezequiel Garcia
2014-10-22 15:38 ` Mark Rutland
2014-11-09 5:23 ` [PATCH 0/7] Armada 375/38x perf support, and a bonus irqchip driver simplification Jason Cooper
2014-11-09 9:41 ` Thomas Petazzoni
2014-11-09 12:18 ` Ezequiel Garcia
2014-11-09 22:50 ` Jason Cooper
2014-11-23 0:45 ` Ezequiel Garcia
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141022140421.GL22642@leverpostej \
--to=mark.rutland@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).