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Fri, 22 May 2026 12:55:13 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb5695f05sm33541155ad.6.2026.05.22.12.55.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 12:55:13 -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 18/18] arm64: dts: qcom: sdm845: Add minidump SRAM config to SCM node Date: Sat, 23 May 2026 01:20:09 +0530 Message-ID: <20260522195009.2961022-19-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-Authority-Analysis: v=2.4 cv=dt/rzVg4 c=1 sm=1 tr=0 ts=6a10b4a2 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=0qvS_bSzHNCwZkaZnqgA:9 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-ORIG-GUID: LD_VQZz0xm01iwoahNbflYXV5mprFYcb X-Proofpoint-GUID: LD_VQZz0xm01iwoahNbflYXV5mprFYcb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIyMDE5OCBTYWx0ZWRfXxaYCkdo2d79n 0Z3I88RX+wEKMUJqnIxwhntPYyHOD2KTKrK+kL1/w+PkvaVRQNxf8qvs/wPIq+AkOhlCgq3lT8D hZJ00ogfgN7OS2NWor1fVuiEdYBIBgM2f+QJjhuKnRInCYbOG1/DA7zymS5tQOnhqQ87KLWwMQ/ WbSVjDHkSoWNOrByBqKGOoyemuHyMnF4YJXmh+uiPG/y4nI9I4hwcn2VdnCrJRmNxccWOFEh/Lf PLkFrDXQLwFLjPYV3ohSt8SEw4VUtebzSOMBbcihdxAodpCiAMtiVOusMIsYiKn12a2kUCES8h7 Q1WoEuER+uCtwKjy1iColrsFSPhzQpYPObhFBIaGSPDgQUGKCFkYnor+b5wI7dKfPYReQ4GUNaS KnAcB6DtTph1iEQbRFY9AvJckBO8nm9XMOZFrJoHnBepETgpN08tTptzydCgKxkmeijNdbjkfB/ DV53fIq4um547BtgxKw== 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 bulkscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 phishscore=0 adultscore=0 lowpriorityscore=0 spamscore=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/sdm845.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 4ae8627d6dbc..2179988dbaaf 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -363,6 +363,7 @@ cluster_sleep_0: cluster-sleep-0 { firmware { scm { compatible = "qcom,scm-sdm845", "qcom,scm"; + sram = <&minidump_config>; }; }; @@ -5192,6 +5193,10 @@ sram@14680000 { ranges = <0 0 0x14680000 0x40000>; + minidump_config: minidump-sram@1c { + reg = <0x1c 0x4>; + }; + ipa_modem_tables: modem-tables@3d000 { reg = <0x3d000 0x2000>; }; -- 2.53.0