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From: Shawn Guo <shawnguo@kernel.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Frank Li <Frank.Li@nxp.com>
Subject: Re: [PATCH 1/1] arm64: dts: imx8mq: Add coresight trace components
Date: Tue, 18 Jul 2023 09:46:49 +0800	[thread overview]
Message-ID: <20230718014649.GT9559@dragon> (raw)
In-Reply-To: <20230616075914.2315189-1-alexander.stein@ew.tq-group.com>

On Fri, Jun 16, 2023 at 09:59:14AM +0200, Alexander Stein wrote:
> Add coresight trace components (ETM, ETF, ETB and Funnel).
> 
> ┌───────┐  ┌───────┐  ┌───────┐
> │ CPU0  ├─►│ ETM0  ├─►│       │
> └───────┘  └───────┘  │       │
>                       │       │
> ┌───────┐  ┌───────┐  │  ATP  │
> │ CPU1  ├─►│ ETM1  ├─►│       │
> └───────┘  └───────┘  │       │
>                       │ FUNNEL│
> ┌───────┐  ┌───────┐  │       │
> │ CPU2  ├─►│ ETM2  ├─►│       │
> └───────┘  └───────┘  │       │   ┌─────┐
>                       │       │   │     │
> ┌───────┐  ┌───────┐  │       │   │ M4  │
> │ CPU3  ├─►│ ETM3  ├─►│       │   │     │
> └───────┘  └───────┘  └───┬───┘   └──┬──┘                        AXI
>                           │          │                            ▲
>                           ▼          ▼                            │
>                       ┌───────────────────────────┐   ┌─────┐   ┌─┴──┐
>                       │          ATP FUNNEL       ├──►│ ETF ├─► │ETR │
>                       └───────────────────────────┘   └─────┘   └────┘
> 
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> ---
> This is a 1:1 copy from commit 71c2ac9a2a3da ("arm64: dts: imx8mp: Add
> coresight trace components") with the following changes:
> * Adjust clock names
> * Replace (Cortex-)M7 with M4 in comment
> * Remove Audio DSP funnel port
> 
> This is untested, but the base addresses for the components are
> identical in the reference manuals.

I prefer to have it tested in some way before we apply it.

Shawn

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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Frank Li <Frank.Li@nxp.com>
Subject: Re: [PATCH 1/1] arm64: dts: imx8mq: Add coresight trace components
Date: Tue, 18 Jul 2023 09:46:49 +0800	[thread overview]
Message-ID: <20230718014649.GT9559@dragon> (raw)
In-Reply-To: <20230616075914.2315189-1-alexander.stein@ew.tq-group.com>

On Fri, Jun 16, 2023 at 09:59:14AM +0200, Alexander Stein wrote:
> Add coresight trace components (ETM, ETF, ETB and Funnel).
> 
> ┌───────┐  ┌───────┐  ┌───────┐
> │ CPU0  ├─►│ ETM0  ├─►│       │
> └───────┘  └───────┘  │       │
>                       │       │
> ┌───────┐  ┌───────┐  │  ATP  │
> │ CPU1  ├─►│ ETM1  ├─►│       │
> └───────┘  └───────┘  │       │
>                       │ FUNNEL│
> ┌───────┐  ┌───────┐  │       │
> │ CPU2  ├─►│ ETM2  ├─►│       │
> └───────┘  └───────┘  │       │   ┌─────┐
>                       │       │   │     │
> ┌───────┐  ┌───────┐  │       │   │ M4  │
> │ CPU3  ├─►│ ETM3  ├─►│       │   │     │
> └───────┘  └───────┘  └───┬───┘   └──┬──┘                        AXI
>                           │          │                            ▲
>                           ▼          ▼                            │
>                       ┌───────────────────────────┐   ┌─────┐   ┌─┴──┐
>                       │          ATP FUNNEL       ├──►│ ETF ├─► │ETR │
>                       └───────────────────────────┘   └─────┘   └────┘
> 
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> ---
> This is a 1:1 copy from commit 71c2ac9a2a3da ("arm64: dts: imx8mp: Add
> coresight trace components") with the following changes:
> * Adjust clock names
> * Replace (Cortex-)M7 with M4 in comment
> * Remove Audio DSP funnel port
> 
> This is untested, but the base addresses for the components are
> identical in the reference manuals.

I prefer to have it tested in some way before we apply it.

Shawn

  reply	other threads:[~2023-07-19  5:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-16  7:59 [PATCH 1/1] arm64: dts: imx8mq: Add coresight trace components Alexander Stein
2023-06-16  7:59 ` Alexander Stein
2023-07-18  1:46 ` Shawn Guo [this message]
2023-07-18  1:46   ` Shawn Guo

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