From: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 01/05] ARM: shmobile: r8a73a4 SMP prototype v1 (CA15 x 4)
Date: Wed, 05 Jun 2013 08:29:52 +0000 [thread overview]
Message-ID: <51AEF700.7010003@renesas.com> (raw)
In-Reply-To: <20130530085201.24374.97084.sendpatchset@w520>
Hi Magnus,
On 5/30/2013 5:52 PM, Magnus Damm wrote:
> --- 0003/arch/arm/boot/dts/r8a73a4.dtsi
> +++ work/arch/arm/boot/dts/r8a73a4.dtsi 2013-05-22 13:21:21.000000000 +0900
> @@ -25,6 +25,27 @@
> reg = <0>;
> clock-frequency = <1500000000>;
> };
> +
> + cpu1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <1>;
> + clock-frequency = <1500000000>;
> + };
> +
> + cpu2: cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <2>;
> + clock-frequency = <1500000000>;
> + };
> +
> + cpu3: cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <3>;
> + clock-frequency = <1500000000>;
> + };
> };
The frequency of the EXTAL on APE6EVM machine is 26MHz, and the Generic
Timers are clocked at EXTAL x1/2 (\x13MHz). Do not copy-and-paste wrong
clock-frequency properties currently we have, but fix cpu0 along with
adding cpu1..3, please.
Furthermore you don't have (should not) to use clock-frequency property
if you set up CNTFRQ to an appropriate value one by one in PATCH 05/05.
--
Shinya Kuribayashi
Renesas Electronics
WARNING: multiple messages have this Message-ID (diff)
From: shinya.kuribayashi.px@renesas.com (Shinya Kuribayashi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/05] ARM: shmobile: r8a73a4 SMP prototype v1 (CA15 x 4)
Date: Wed, 05 Jun 2013 17:29:52 +0900 [thread overview]
Message-ID: <51AEF700.7010003@renesas.com> (raw)
In-Reply-To: <20130530085201.24374.97084.sendpatchset@w520>
Hi Magnus,
On 5/30/2013 5:52 PM, Magnus Damm wrote:
> --- 0003/arch/arm/boot/dts/r8a73a4.dtsi
> +++ work/arch/arm/boot/dts/r8a73a4.dtsi 2013-05-22 13:21:21.000000000 +0900
> @@ -25,6 +25,27 @@
> reg = <0>;
> clock-frequency = <1500000000>;
> };
> +
> + cpu1: cpu at 1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <1>;
> + clock-frequency = <1500000000>;
> + };
> +
> + cpu2: cpu at 2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <2>;
> + clock-frequency = <1500000000>;
> + };
> +
> + cpu3: cpu at 3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <3>;
> + clock-frequency = <1500000000>;
> + };
> };
The frequency of the EXTAL on APE6EVM machine is 26MHz, and the Generic
Timers are clocked at EXTAL x1/2 (=13MHz). Do not copy-and-paste wrong
clock-frequency properties currently we have, but fix cpu0 along with
adding cpu1..3, please.
Furthermore you don't have (should not) to use clock-frequency property
if you set up CNTFRQ to an appropriate value one by one in PATCH 05/05.
--
Shinya Kuribayashi
Renesas Electronics
next prev parent reply other threads:[~2013-06-05 8:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-30 8:51 [PATCH 00/05] ARM: shmobile: r8a73a4 SMP and CPU Hotplug prototype v2 Magnus Damm
2013-05-30 8:51 ` Magnus Damm
2013-05-30 8:52 ` [PATCH 01/05] ARM: shmobile: r8a73a4 SMP prototype v1 (CA15 x 4) Magnus Damm
2013-05-30 8:52 ` Magnus Damm
2013-06-05 8:29 ` Shinya Kuribayashi [this message]
2013-06-05 8:29 ` Shinya Kuribayashi
2013-05-30 8:52 ` [PATCH 02/05] ARM: shmobile: r8a73a4 CPU Hotplug " Magnus Damm
2013-05-30 8:52 ` Magnus Damm
2013-05-30 8:52 ` [PATCH 03/05] ARM: shmobile: r8a73a4 CA15 setup WFE as NOP Magnus Damm
2013-05-30 8:52 ` Magnus Damm
2013-05-30 8:52 ` [PATCH 04/05] ARM: shmobile: r8a73a4 SMP CA7 prototype (+ CA7 x 4) Magnus Damm
2013-05-30 8:52 ` Magnus Damm
2013-05-30 8:52 ` [PATCH 05/05] ARM: shmobile: r8a73a4 CA7 setup arch timer Magnus Damm
2013-05-30 8:52 ` Magnus Damm
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