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Groups > linux.kernel > #1589601 > unrolled thread
| Started by | Florian Vaussard <florian.vaussard@gmail.com> |
|---|---|
| First post | 2017-02-28 17:30 +0100 |
| Last post | 2017-03-08 16:40 +0100 |
| Articles | 3 — 2 participants |
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[PATCH 0/2] ARM: dts: socfpga: Add support for PMU on Arria5/Cyclone5 Florian Vaussard <florian.vaussard@gmail.com> - 2017-02-28 17:30 +0100
[PATCH 2/2] ARM: dts: socfpga: Add support for PMU Florian Vaussard <florian.vaussard@gmail.com> - 2017-02-28 17:30 +0100
Re: [PATCH 0/2] ARM: dts: socfpga: Add support for PMU on Arria5/Cyclone5 Dinh Nguyen <dinguyen@kernel.org> - 2017-03-08 16:40 +0100
| From | Florian Vaussard <florian.vaussard@gmail.com> |
|---|---|
| Date | 2017-02-28 17:30 +0100 |
| Subject | [PATCH 0/2] ARM: dts: socfpga: Add support for PMU on Arria5/Cyclone5 |
| Message-ID | <tfSvD-6NI-11@gated-at.bofh.it> |
Hi, These patches add suport for ARM Performance Monitor Units on Arria5 and Cyclone5 SoCFPGA. This was tested on a Cyclone 5 SoC DK board. Side note: the same change can be probably applied to Arria10 as well, but we do not have the hardware here to test. Regards, Florian Florian Vaussard (2): ARM: dts: socfpga: Add labels for CPU nodes ARM: dts: socfpga: Add support for PMU arch/arm/boot/dts/socfpga.dtsi | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) -- 2.7.4
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| From | Florian Vaussard <florian.vaussard@gmail.com> |
|---|---|
| Date | 2017-02-28 17:30 +0100 |
| Subject | [PATCH 2/2] ARM: dts: socfpga: Add support for PMU |
| Message-ID | <tfSOZ-6Wr-21@gated-at.bofh.it> |
| In reply to | #1589601 |
The dual Cortex-A9 MPCore inside socfpga has a standard PMU unit for
each core mapped in the DAP memory space. Add support for it!
Tested with perf on a Cyclone 5 SoC DK.
Reported-by: Alberto Dassatti <alberto.dassatti@heig-vd.ch>
Signed-off-by: Florian Vaussard <florian.vaussard@heig-vd.ch>
Tested-by: Alberto Dassatti <alberto.dassatti@heig-vd.ch>
---
arch/arm/boot/dts/socfpga.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 478047e..a892de9 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -52,6 +52,15 @@
};
};
+ pmu: pmu@ff111000 {
+ compatible = "arm,cortex-a9-pmu";
+ interrupt-parent = <&intc>;
+ interrupts = <0 176 4>, <0 177 4>;
+ interrupt-affinity = <&cpu0>, <&cpu1>;
+ reg = <0xff111000 0x1000>,
+ <0xff113000 0x1000>;
+ };
+
intc: intc@fffed000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
--
2.7.4
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| From | Dinh Nguyen <dinguyen@kernel.org> |
|---|---|
| Date | 2017-03-08 16:40 +0100 |
| Subject | Re: [PATCH 0/2] ARM: dts: socfpga: Add support for PMU on Arria5/Cyclone5 |
| Message-ID | <tiLR1-8we-43@gated-at.bofh.it> |
| In reply to | #1589601 |
On 02/28/2017 09:52 AM, Florian Vaussard wrote: > Hi, > > These patches add suport for ARM Performance Monitor Units on Arria5 and > Cyclone5 SoCFPGA. This was tested on a Cyclone 5 SoC DK board. > > Side note: the same change can be probably applied to Arria10 as well, > but we do not have the hardware here to test. > > Regards, > Florian > > Florian Vaussard (2): > ARM: dts: socfpga: Add labels for CPU nodes > ARM: dts: socfpga: Add support for PMU > > arch/arm/boot/dts/socfpga.dtsi | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > Applied! Thanks, Dinh
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