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From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
	robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org, Shawn Guo <shawnguo@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	"S.J. Wang" <shengjiu.wang@nxp.com>,
	Fabio Estevam <festevam@gmail.com>,
	devicetree@vger.kernel.org, Daniel Baluta <daniel.baluta@nxp.com>,
	Mpuaudiosw <Mpuaudiosw@nxp.com>,
	Iuliana Prodan <iuliana.prodan@nxp.com>,
	linux-arm-kernel@lists.infradead.org
Cc: linux-imx <linux-imx@nxp.com>,
	linux-remoteproc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	LnxRevLi <LnxRevLi@nxp.com>,
	"Iuliana Prodan (OSS)" <iuliana.prodan@oss.nxp.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP
Date: Wed, 11 Oct 2023 07:37:10 +0200	[thread overview]
Message-ID: <2301291.ElGaqSPkdT@steina-w> (raw)
In-Reply-To: <20231010090929.4371-3-iuliana.prodan@oss.nxp.com>

Hi Iuliana,

Am Dienstag, 10. Oktober 2023, 11:09:29 CEST schrieb Iuliana Prodan (OSS):
> From: Iuliana Prodan <iuliana.prodan@nxp.com>
> 
> Add the reserve-memory nodes used by DSP when the rpmsg
> feature is enabled.
> 
> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> cc406bb338fe..22815b3ea890 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -211,6 +211,22 @@
>  			reg = <0 0x92400000 0 0x2000000>;
>  			no-map;
>  		};
> +
> +		dsp_vdev0vring0: vdev0vring0@942f0000 {
> +			reg = <0 0x942f0000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0vring1: vdev0vring1@942f8000 {
> +			reg = <0 0x942f8000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0buffer: vdev0buffer@94300000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0 0x94300000 0 0x100000>;
> +			no-map;
> +		};

Please configure these reserved memories on board level. Not every i.MX8MP 
based board uses this DSP or has these memory addresses available.

Best regards,
Alexander

>  	};
> 
>  	pmu {


-- 
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/




WARNING: multiple messages have this Message-ID (diff)
From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
	robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org, Shawn Guo <shawnguo@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	"S.J. Wang" <shengjiu.wang@nxp.com>,
	Fabio Estevam <festevam@gmail.com>,
	devicetree@vger.kernel.org, Daniel Baluta <daniel.baluta@nxp.com>,
	Mpuaudiosw <Mpuaudiosw@nxp.com>,
	Iuliana Prodan <iuliana.prodan@nxp.com>,
	linux-arm-kernel@lists.infradead.org
Cc: linux-imx <linux-imx@nxp.com>,
	linux-remoteproc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	LnxRevLi <LnxRevLi@nxp.com>,
	"Iuliana Prodan (OSS)" <iuliana.prodan@oss.nxp.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP
Date: Wed, 11 Oct 2023 07:37:10 +0200	[thread overview]
Message-ID: <2301291.ElGaqSPkdT@steina-w> (raw)
In-Reply-To: <20231010090929.4371-3-iuliana.prodan@oss.nxp.com>

Hi Iuliana,

Am Dienstag, 10. Oktober 2023, 11:09:29 CEST schrieb Iuliana Prodan (OSS):
> From: Iuliana Prodan <iuliana.prodan@nxp.com>
> 
> Add the reserve-memory nodes used by DSP when the rpmsg
> feature is enabled.
> 
> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> cc406bb338fe..22815b3ea890 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -211,6 +211,22 @@
>  			reg = <0 0x92400000 0 0x2000000>;
>  			no-map;
>  		};
> +
> +		dsp_vdev0vring0: vdev0vring0@942f0000 {
> +			reg = <0 0x942f0000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0vring1: vdev0vring1@942f8000 {
> +			reg = <0 0x942f8000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0buffer: vdev0buffer@94300000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0 0x94300000 0 0x100000>;
> +			no-map;
> +		};

Please configure these reserved memories on board level. Not every i.MX8MP 
based board uses this DSP or has these memory addresses available.

Best regards,
Alexander

>  	};
> 
>  	pmu {


-- 
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/




_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-10-11  5:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-10  9:09 [PATCH v3 0/2] Rpmsg support for i.MX DSP with resource table Iuliana Prodan (OSS)
2023-10-10  9:09 ` Iuliana Prodan (OSS)
2023-10-10  9:09 ` [PATCH v3 1/2] remoteproc: imx_dsp_rproc: add mandatory find_loaded_rsc_table op Iuliana Prodan (OSS)
2023-10-10  9:09   ` Iuliana Prodan (OSS)
2023-10-10  9:09 ` [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP Iuliana Prodan (OSS)
2023-10-10  9:09   ` Iuliana Prodan (OSS)
2023-10-11  5:37   ` Alexander Stein [this message]
2023-10-11  5:37     ` Alexander Stein
2023-10-13  8:35     ` Iuliana Prodan
2023-10-13  8:35       ` Iuliana Prodan
2023-10-13  9:31       ` Alexander Stein
2023-10-13  9:31         ` Alexander Stein

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