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Fri, 22 May 2026 12:55:09 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb5695f05sm33541155ad.6.2026.05.22.12.55.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 12:55:09 -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 17/18] arm64: dts: qcom: qcs615: Add minidump SRAM config to SCM node Date: Sat, 23 May 2026 01:20:08 +0530 Message-ID: <20260522195009.2961022-18-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: AW1haW4tMjYwNTIyMDE5OCBTYWx0ZWRfX82Mc6grYqY5k a3/Zizy3A++xrwEfTc4PBfisn+M5QeC8c4cWiFSKXWDEA7l0PcswDpSHlZ7Hrm+mgQUQedIu1QB rmK3boPIhOqwo/lTu2gQQHbj6JIN7jvAeLOFznsYiWj2PGavZF/eWmYRdid5T9xzrNF1IF6NxDp daVYPiuSij9XZc4sCravSB8OO/tVig7p1mahDbz27ZcGRsJnwiYUx5FMRsyjtTon4MEaujn6GCp Iua8k3FLq3TkLgdEezmHCJQkIADs4KHjhLkbzZLmlh6RTCKn1OUh+x6eIGgsgz2l75EZy8fvs1S asYI5RPeGMYiyIgqYBzP0xV8mLl9C38jezTmz2AykxH4x4+AmcWXLbkawlDa+cpc4RwgA6Bx9cp fAvpraWEu0HJZLWxvyeWwHYxeS20L5ACab/xmAXIjGPH5QSgug72eKKOlgpfgNz4zqdX4dWNDlh 5AJusqP9T5fDIMsoxow== X-Proofpoint-GUID: huen4OtsOd7TENlVXE4PYnFSvWDQDRs7 X-Proofpoint-ORIG-GUID: huen4OtsOd7TENlVXE4PYnFSvWDQDRs7 X-Authority-Analysis: v=2.4 cv=ar2CzyZV c=1 sm=1 tr=0 ts=6a10b49f cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=Y2DO1TD2eDIuzSEqJuEA:9 a=GvdueXVYPmCkWapjIL-Q:22 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 impostorscore=0 bulkscore=0 spamscore=0 malwarescore=0 adultscore=0 clxscore=1015 priorityscore=1501 phishscore=0 lowpriorityscore=0 suspectscore=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/talos.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi index fb1bbc51bb8a..a358d5441fa9 100644 --- a/arch/arm64/boot/dts/qcom/talos.dtsi +++ b/arch/arm64/boot/dts/qcom/talos.dtsi @@ -473,6 +473,7 @@ firmware { scm { compatible = "qcom,scm-qcs615", "qcom,scm"; qcom,dload-mode = <&tcsr 0x13000>; + sram = <&minidump_config>; }; }; @@ -4654,6 +4655,10 @@ sram@14680000 { #address-cells = <1>; #size-cells = <1>; + minidump_config: minidump-sram@1c { + reg = <0x1c 0x4>; + }; + pil-reloc@2a94c { compatible = "qcom,pil-reloc-info"; reg = <0x2a94c 0xc8>; -- 2.53.0