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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b70ada0c289sm513580566b.3.2025.11.03.04.52.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Nov 2025 04:52:23 -0800 (PST) Message-ID: <83c3aea5-764e-4e60-8b16-67b474f19357@oss.qualcomm.com> Date: Mon, 3 Nov 2025 13:52:21 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sdm630/660: Add CDSP-related nodes To: Nickolay Goppen , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux@mainlining.org References: <20251023-qcom-sdm660-cdsp-adsp-dts-v2-0-895ffe50ab5f@mainlining.org> <20251023-qcom-sdm660-cdsp-adsp-dts-v2-1-895ffe50ab5f@mainlining.org> <07066c46-4121-48da-846a-3a180d245589@oss.qualcomm.com> <47b40a91-8365-4431-9fd9-1e48fad2a4e1@mainlining.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=OrdCCi/t c=1 sm=1 tr=0 ts=6908a58a cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OuZLqq7tAAAA:8 a=ITMobWRzqwyUaGoyGfYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-ORIG-GUID: KK2bI8eOlI82T7eTN84lrNtxzbkVhdF0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAzMDExNyBTYWx0ZWRfX6vpROYAPzRei V3lDkGFxpYhmq17WuKGjgU0tr9bL2gg/E1S3xUBxYucnrmdJaiNdX3BI5imiqXivvdoDtoTydX8 CscLaBpIXR68no/YZYGjJGgo1XiLemN7+wasyr1OGoL4WmGNAOMwjcVyL6WuIZxXyPHV1Cub2b/ 7I7dDSVncva4z8VUtuKpmlkz8s261rXwxd/QTwNt/vwUnyovVHbKY+63luWW+KYJHSfd9zmluB3 gAVLAPCrwN4QIHJ94p4MFTZDq30fMmb3rk5+S9LxvWm5tijbGl/2HEAj0uWE1BmQfPz56JP+RYM 53SBXfQbFLAPPoq1NagehnphRIEKOn8ewkj2lR44oa5iFbwIgPkEV21A1EzIOqZLVbHlnIYmmHT 8dLRD91603DRsLWZIIw8r60R6hWkSQ== X-Proofpoint-GUID: KK2bI8eOlI82T7eTN84lrNtxzbkVhdF0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-03_01,2025-11-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511030117 On 10/31/25 12:30 PM, Nickolay Goppen wrote: > > 24.10.2025 16:58, Nickolay Goppen пишет: >> >> 24.10.2025 11:28, Konrad Dybcio пишет: >>> On 10/23/25 9:51 PM, Nickolay Goppen wrote: >>>> In order to enable CDSP support for SDM660 SoC: >>>>   * add shared memory p2p nodes for CDSP >>>>   * add CDSP-specific smmu node >>>>   * add CDSP peripheral image loader node >>>> >>>> Memory region for CDSP in SDM660 occupies the same spot as >>>> TZ buffer mem defined in sdm630.dtsi (which does not have CDSP). >>>> In sdm660.dtsi replace buffer_mem inherited from SDM630 with >>>> cdsp_region, which is also larger in size. >>>> >>>> SDM636 also doesn't have CDSP, so remove inherited from sdm660.dtsi >>>> related nodes and add buffer_mem back. >>>> >>>> Signed-off-by: Nickolay Goppen >>>> --- >>> [...] >>> >>>> +            label = "turing"; >>> "cdsp" >> Ok, I'll change this in the next revision. >>>> +            mboxes = <&apcs_glb 29>; >>>> +            qcom,remote-pid = <5>; >>>> + >>>> +            fastrpc { >>>> +                compatible = "qcom,fastrpc"; >>>> +                qcom,glink-channels = "fastrpcglink-apps-dsp"; >>>> +                label = "cdsp"; >>>> +                qcom,non-secure-domain; >>> This shouldn't matter, both a secure and a non-secure device is >>> created for CDSP >> I've added this property, because it is used in other SoC's, such as SDM845 and SM6115 for both ADSP and CDSP > Is this property not neccessary anymore? +Srini? Konrad