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[PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC

Started byChanwoo Choi <cw00.choi@samsung.com>
First post2016-04-08 07:10 +0200
Last post2016-04-14 07:50 +0200
Articles 3 — 2 participants

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  [PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC Chanwoo Choi <cw00.choi@samsung.com> - 2016-04-08 07:10 +0200
    Re: [PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-04-12 10:20 +0200
      Re: [PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC Chanwoo Choi <cw00.choi@samsung.com> - 2016-04-14 07:50 +0200

#1373978 — [PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC

FromChanwoo Choi <cw00.choi@samsung.com>
Date2016-04-08 07:10 +0200
Subject[PATCH 3/7] ARM: dts: Add NoC Probe dt node for Exynos542x SoC
Message-ID<rlwQa-7k9-5@gated-at.bofh.it>
This patch adds the NoCP (Network on Chip Probe) Device Tree node
to measure the bandwidth of memory and g3d in Exynos542x SoC.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
 arch/arm/boot/dts/exynos5420.dtsi | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 7b99cb58d82d..d80f3b66f017 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -294,6 +294,42 @@
 		};
 	};
 
+	nocp_mem0_0: nocp_mem0_0@10CA1000 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x10CA1000 0x200>;
+		status = "disabled";
+	};
+
+	nocp_mem0_1: nocp_mem0_1@10CA1400 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x10CA1400 0x200>;
+		status = "disabled";
+	};
+
+	nocp_mem0_2: nocp_mem0_2@10CA1800 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x10CA1800 0x200>;
+		status = "disabled";
+	};
+
+	nocp_mem0_3: nocp_mem0_3@10CA1C00 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x10CA1C00 0x200>;
+		status = "disabled";
+	};
+
+	nocp_g3d_0: nocp_g3d_0@11A51000 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x11A51000 0x200>;
+		status = "disabled";
+	};
+
+	nocp_g3d_1: nocp_g3d_1@11A51400 {
+		compatible = "samsung,exynos5420-nocp";
+		reg = <0x11A51400 0x200>;
+		status = "disabled";
+	};
+
 	gsc_pd: power-domain@10044000 {
 		compatible = "samsung,exynos4210-pd";
 		reg = <0x10044000 0x20>;
-- 
1.9.1

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#1376546

FromKrzysztof Kozlowski <k.kozlowski@samsung.com>
Date2016-04-12 10:20 +0200
Message-ID<rn1If-3Wu-123@gated-at.bofh.it>
In reply to#1373978
On 04/08/2016 07:00 AM, Chanwoo Choi wrote:
> This patch adds the NoCP (Network on Chip Probe) Device Tree node
> to measure the bandwidth of memory and g3d in Exynos542x SoC.
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> ---
>  arch/arm/boot/dts/exynos5420.dtsi | 36 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 7b99cb58d82d..d80f3b66f017 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -294,6 +294,42 @@
>  		};
>  	};
>  
> +	nocp_mem0_0: nocp_mem0_0@10CA1000 {

The node name should describe general class of device, so:

	nocp_mem0_0: nocp@10CA1000 {
		...
	}
?

> +		compatible = "samsung,exynos5420-nocp";
> +		reg = <0x10CA1000 0x200>;
> +		status = "disabled";
> +	};
> +
> +	nocp_mem0_1: nocp_mem0_1@10CA1400 {
> +		compatible = "samsung,exynos5420-nocp";
> +		reg = <0x10CA1400 0x200>;
> +		status = "disabled";
> +	};
> +
> +	nocp_mem0_2: nocp_mem0_2@10CA1800 {

Shouldn't it be nocp_mem1_0?

> +		compatible = "samsung,exynos5420-nocp";
> +		reg = <0x10CA1800 0x200>;
> +		status = "disabled";
> +	};
> +
> +	nocp_mem0_3: nocp_mem0_3@10CA1C00 {

Shouldn't it be nocp_mem1_1?


Best regards,
Krzysztof

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#1378494

FromChanwoo Choi <cw00.choi@samsung.com>
Date2016-04-14 07:50 +0200
Message-ID<rnIkc-5eG-23@gated-at.bofh.it>
In reply to#1376546
On 2016년 04월 12일 17:14, Krzysztof Kozlowski wrote:
> On 04/08/2016 07:00 AM, Chanwoo Choi wrote:
>> This patch adds the NoCP (Network on Chip Probe) Device Tree node
>> to measure the bandwidth of memory and g3d in Exynos542x SoC.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>> ---
>>  arch/arm/boot/dts/exynos5420.dtsi | 36 ++++++++++++++++++++++++++++++++++++
>>  1 file changed, 36 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
>> index 7b99cb58d82d..d80f3b66f017 100644
>> --- a/arch/arm/boot/dts/exynos5420.dtsi
>> +++ b/arch/arm/boot/dts/exynos5420.dtsi
>> @@ -294,6 +294,42 @@
>>  		};
>>  	};
>>  
>> +	nocp_mem0_0: nocp_mem0_0@10CA1000 {
> 
> The node name should describe general class of device, so:
> 
> 	nocp_mem0_0: nocp@10CA1000 {
> 		...
> 	}
> ?

I'll modify it.

> 
>> +		compatible = "samsung,exynos5420-nocp";
>> +		reg = <0x10CA1000 0x200>;
>> +		status = "disabled";
>> +	};
>> +
>> +	nocp_mem0_1: nocp_mem0_1@10CA1400 {
>> +		compatible = "samsung,exynos5420-nocp";
>> +		reg = <0x10CA1400 0x200>;
>> +		status = "disabled";
>> +	};
>> +
>> +	nocp_mem0_2: nocp_mem0_2@10CA1800 {
> 
> Shouldn't it be nocp_mem1_0?

I was mistaken. I'll fix it.

> 
>> +		compatible = "samsung,exynos5420-nocp";
>> +		reg = <0x10CA1800 0x200>;
>> +		status = "disabled";
>> +	};
>> +
>> +	nocp_mem0_3: nocp_mem0_3@10CA1C00 {
> 
> Shouldn't it be nocp_mem1_1?

ditto.

Best Regards,
Chanwoo Choi

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