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Fri, 22 May 2026 12:55:01 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb5695f05sm33541155ad.6.2026.05.22.12.54.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 12:55:01 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Marko , Guru Das Srinagesh Cc: cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha Subject: [PATCH v3 15/18] arm64: dts: qcom: sm6350: Add minidump SRAM config to SCM node Date: Sat, 23 May 2026 01:20:06 +0530 Message-ID: <20260522195009.2961022-16-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260522195009.2961022-1-mukesh.ojha@oss.qualcomm.com> References: <20260522195009.2961022-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIyMDE5OCBTYWx0ZWRfXwvEkh436NI/X 7Ecu2cBpnU/pNd66g5g6EbV0PihixTdf1lb2zF9lniAqcFHwek+NzKBXqjHwg19RCdk+2HyncAm nJUI/oaEqdWCjAKaNVU03u08r0cX1cDcEWDnuy5U3wX+bpSVArHt73P9VwDtIywJ/iy1bXHws4v hKalDKJ/jbZssxLnnZ0/GY3zUQIvffOd6pnfWROvjsjJAT7GUolPeXNiGlNsKJoBrvTVcLAuZep M14eKwWMHv+fzUWrRsmJYhuYn+d4zHkSyyxRMerVOmeEWtjgsoPyIGm+Ut5i8WbHn5dchIr8Z8i 4IRfcForVSj5A+6zXE9m+Jh4soxicvZBmbPpHvsSC9LZjvLnOEUMgDo/yOIlSRMkMJcsGJCLOwz 4a6pvFeajKVRPkwOU43M5Y7zPVCkIRt9zLlYk5VFsdV4j6mj9kzV6ZLMdZe7xuFWjibhE5VoIe5 kwCbICEOg+6AEPS1qEw== X-Proofpoint-ORIG-GUID: K1NzEHwwDT2WY3NYsEhnMsIXqf3W7rwJ X-Authority-Analysis: v=2.4 cv=d8fFDxjE c=1 sm=1 tr=0 ts=6a10b497 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=VytTfPOW3k6kkw8Luf8A:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: K1NzEHwwDT2WY3NYsEhnMsIXqf3W7rwJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-22_05,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 phishscore=0 impostorscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605220198 Point the SCM node at the minidump config slot in the always-on SRAM. Boot firmware reads this word before DDR is initialised on a warm reset to decide where to deliver the minidump. Signed-off-by: Mukesh Ojha --- arch/arm64/boot/dts/qcom/sm6350.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi index d6adf68563cb..06892ba22875 100644 --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi @@ -363,6 +363,7 @@ big_cpu_sleep_1: cpu-sleep-1-1 { firmware { scm: scm { compatible = "qcom,scm-sm6350", "qcom,scm"; + sram = <&minidump_config>; #reset-cells = <1>; }; }; @@ -2808,6 +2809,10 @@ sram@14680000 { ranges = <0 0 0x14680000 0x2e000>; + minidump_config: minidump-sram@1c { + reg = <0x1c 0x4>; + }; + ipa_modem_tables: modem-tables@28000 { reg = <0x28000 0x2000>; }; -- 2.53.0