From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54574E82CA1 for ; Wed, 27 Sep 2023 15:23:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232419AbjI0PXd (ORCPT ); Wed, 27 Sep 2023 11:23:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232350AbjI0PXb (ORCPT ); Wed, 27 Sep 2023 11:23:31 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDC8B126; Wed, 27 Sep 2023 08:23:27 -0700 (PDT) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 38RFNMFt122403; Wed, 27 Sep 2023 10:23:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1695828202; bh=9wsox5h/ZjHzgWkJJhcbLZ74uYArY52DiJ3BPfSTAqE=; h=Date:Subject:To:References:From:In-Reply-To; b=IWpU3Uv7gN2c/ZwCgShZlniggXQfVSriu8WSic4jcUQTufuHYS+5UlqXGK9n18PHa nDbn9fp0nfyTGhXNOXwp/R78pfJrrjp2mOYGMRmVITIOGYoI2XrNeqizC8KccvWe3/ NuUNVK77aWLxpELgqkpdXEXNslBQ8iCX6s/ZvibU= Received: from DFLE101.ent.ti.com (dfle101.ent.ti.com [10.64.6.22]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 38RFNMiO003317 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 27 Sep 2023 10:23:22 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE101.ent.ti.com (10.64.6.22) 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 10:23:22 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE101.ent.ti.com (10.64.6.22) 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 10:23:22 -0500 Received: from [10.249.141.75] (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 38RFNINi012235; Wed, 27 Sep 2023 10:23:19 -0500 Message-ID: <2e0698a1-fd00-7441-797e-97415a01fa1d@ti.com> Date: Wed, 27 Sep 2023 20:53:17 +0530 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 9/9] arm64: dts : ti: k3-am69-sk: 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> <20230906112422.2846151-10-a-nandan@ti.com> From: "Kumar, Udit" In-Reply-To: <20230906112422.2846151-10-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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 AM69 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-am69-sk.dts | 104 ++++++++++++++++++++++++++ > 1 file changed, 104 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts > index d5a39caf15af..1e6fb082d3d2 100644 > --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts > @@ -143,6 +143,54 @@ main_r5fss2_core1_memory_region: r5f-memory@a7100000 { > reg = <0x00 0xa7100000 0x00 0xf00000>; > no-map; > }; Reviewed by: Udit Kumar > [...]