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 F20921C6AE for ; Wed, 27 Sep 2023 15:22:19 +0000 (UTC) Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 631D9136; Wed, 27 Sep 2023 08:22:18 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 38RFM6KZ041525; Wed, 27 Sep 2023 10:22:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1695828126; bh=7RWl/7nLo78tgWYqwfylXzmBDhX2D8OKUnnzBKvnRZw=; h=Date:Subject:To:References:From:In-Reply-To; b=QHTs2OnwzvwFqdzBpCfASeevJD/F+oSVLmniLWhszOwIhgz7rZad5Vmc+/papL/p9 KLTcqlRwpKtcDo0k3i1Rv9lGYbAKrHd7n5Jag7RMoQ5EqEGBHBEvH+6Dzx9FkfHgY6 flVrsyfjZ3pAtG40SFJHbGLXhxkjq5PwiHvNQgQc= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 38RFM6UQ018595 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 27 Sep 2023 10:22:06 -0500 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 27 Sep 2023 10:22:05 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 27 Sep 2023 10:22:06 -0500 Received: from [10.249.141.75] (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 38RFM2er011376; Wed, 27 Sep 2023 10:22:02 -0500 Message-ID: <3e15e05f-7c4e-5460-d9ec-9b68f2828c79@ti.com> Date: Wed, 27 Sep 2023 20:52:01 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH v4 7/9] arm64: dts : ti: k3-am68-sk-som: Add DDR carveout memory nodes for C71x DSP Content-Language: en-US To: Apurva Nandan , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Hari Nagalla References: <20230906112422.2846151-1-a-nandan@ti.com> <20230906112422.2846151-8-a-nandan@ti.com> From: "Kumar, Udit" In-Reply-To: <20230906112422.2846151-8-a-nandan@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 9/6/2023 4:54 PM, Apurva Nandan wrote: > Two carveout reserved memory nodes each have been added for each of the > C71x DSP for the TI K3 AM68 SK boards. These nodes are assigned to the > respective rproc device nodes as well. The first region will be used as > the DMA pool for the rproc device, and the second region will furnish > the static carveout regions for the firmware memory. > > The current carveout addresses and sizes are defined statically for each > device. The C71x DSP processor supports a MMU called CMMU, but is not > currently supported and as such requires the exact memory used by the > firmware to be set-aside. > > Signed-off-by: Sinthu Raja > Signed-off-by: Apurva Nandan > --- > arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 52 ++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > index beab405274ab..20861a0a46b0 100644 > --- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > @@ -98,6 +98,30 @@ main_r5fss1_core1_memory_region: r5f-memory@a5100000 { > no-map; > }; Reviewed by: Udit Kumar > [...]