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Wed, 24 Jun 2026 12:09:55 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a412e5e9sm2932120b3a.54.2026.06.24.12.09.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2026 12:09:54 -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 , Konrad Dybcio Subject: [PATCH v4 18/19] arm64: dts: qcom: qcs615: Add minidump SRAM config to SCM node Date: Thu, 25 Jun 2026 00:38:29 +0530 Message-ID: <20260624190830.3131112-19-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260624190830.3131112-1-mukesh.ojha@oss.qualcomm.com> References: <20260624190830.3131112-1-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-ORIG-GUID: TBbyqzY2Bn-II2CFlPqYtnQ2U-9rUfum X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfXzqhK7jRu0Gz7 4N7+lABLuXV1mbvqhmKrRoJ1dfys0iICJ72Z5f1Z6z5SFFoNeiOnUPspbalVxAtoLK/e52R+akm 3cgm1pltqmMYI6IGV2UjxJEYTAHSD5X1ErHIq07ZDcbedDngS49PjScqb82hj4WU3TiVtWdBehZ trPjGbarQuU3ErCvYzmeLPb7UupVKVCU3BmMQXLFpxeY6O/uukfGD6KiHBmQLVNG9aNfP4ynXCL nTBz1UbeFAdDTSQGAz17gPSk9oB56Njgw3Rw73+X6D5lCLY4RE0+WdE5GwoBHWdkVsz/YG5PQBU GqiO1KugjWIEbZ8xON40TJrkcqRKdPTp5lRFcdWItY7DmNsLxeIp3apyZALUOZjD7rZSJ7rAXDB lGEUQ+fQH12QtrQ5ETkDj5so0hCM0Q== X-Authority-Analysis: v=2.4 cv=QLhYgALL c=1 sm=1 tr=0 ts=6a3c2b84 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=ih2dppi7jw4BXePuyMoA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfX2SaUSlRP5ngQ rU22A6Isbku3NVhy/0w/ZKLB4VQrJE0qcvqnN9yMX44Enjm1A4HF8OnGhXtkEbjGYiAn8R3rEsN y09sCrqKCcmroEbsq/ZQ/cw/yZwR444= X-Proofpoint-GUID: TBbyqzY2Bn-II2CFlPqYtnQ2U-9rUfum X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-24_03,2026-06-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606240160 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. Reviewed-by: Konrad Dybcio 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