From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DA00847D for ; Wed, 11 Oct 2023 05:37:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.b="latyq0zX" Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D60359B; Tue, 10 Oct 2023 22:37:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1697002632; x=1728538632; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4d8MYiJTPkr6y5liMGmYPg5EU9exgPGQwO1jIwXnptM=; b=latyq0zXYulFMn6knInGCkwntc5f4ZDVh2Ng8nXk+iNQTiW8afMFnsvt +9lDEKz4QcTYxiVsV1JHndHm1NrQixGm/xtq6HifOkmwnqMNYNTz1nQh7 6ehbkEo6EvVdaDOuPHyEIexVMuSkCCbqdKXfPf6TS1N5N89Na92kmB4pw dwTXl6G4xOyf9E1BFXAGysafNaWJkOybZCc1TT33FjBnO8hYYojpP0sOF +sZAHfggItdVFOiozkwvgd+HWs2tzdJbZ/lB9bjMRB99wq5H7RMO2HNkB oPTPW/+QVvZEbmLrkF7Gg82Zv1YH0ML6H/JU2hG6pclBxR0cX415Yj7CB w==; X-IronPort-AV: E=Sophos;i="6.03,214,1694728800"; d="scan'208";a="33392644" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 11 Oct 2023 07:37:10 +0200 Received: from steina-w.localnet (steina-w.tq-net.de [10.123.53.18]) by vtuxmail01.tq-net.de (Postfix) with ESMTPA id AA1F0280082; Wed, 11 Oct 2023 07:37:09 +0200 (CEST) From: Alexander Stein To: Mathieu Poirier , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, Shawn Guo , Bjorn Andersson , Sascha Hauer , "S.J. Wang" , Fabio Estevam , devicetree@vger.kernel.org, Daniel Baluta , Mpuaudiosw , Iuliana Prodan , linux-arm-kernel@lists.infradead.org Cc: linux-imx , linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Pengutronix Kernel Team , LnxRevLi , "Iuliana Prodan (OSS)" Subject: Re: [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP Date: Wed, 11 Oct 2023 07:37:10 +0200 Message-ID: <2301291.ElGaqSPkdT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20231010090929.4371-3-iuliana.prodan@oss.nxp.com> References: <20231010090929.4371-1-iuliana.prodan@oss.nxp.com> <20231010090929.4371-3-iuliana.prodan@oss.nxp.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hi Iuliana, Am Dienstag, 10. Oktober 2023, 11:09:29 CEST schrieb Iuliana Prodan (OSS): > From: Iuliana Prodan >=20 > Add the reserve-memory nodes used by DSP when the rpmsg > feature is enabled. >=20 > Signed-off-by: Iuliana Prodan > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) >=20 > 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 =3D <0 0x92400000 0 0x2000000>; > no-map; > }; > + > + dsp_vdev0vring0: vdev0vring0@942f0000 { > + reg =3D <0 0x942f0000 0 0x8000>; > + no-map; > + }; > + > + dsp_vdev0vring1: vdev0vring1@942f8000 { > + reg =3D <0 0x942f8000 0 0x8000>; > + no-map; > + }; > + > + dsp_vdev0buffer: vdev0buffer@94300000 { > + compatible =3D "shared-dma-pool"; > + reg =3D <0 0x94300000 0 0x100000>; > + no-map; > + }; Please configure these reserved memories on board level. Not every i.MX8MP= =20 based board uses this DSP or has these memory addresses available. Best regards, Alexander > }; >=20 > pmu { =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/