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Fri, 22 May 2026 12:54:26 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb5695f05sm33541155ad.6.2026.05.22.12.54.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 12:54:25 -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 06/18] arm64: dts: qcom: sm8450: Add minidump SRAM config to SCM node Date: Sat, 23 May 2026 01:19:57 +0530 Message-ID: <20260522195009.2961022-7-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=JN0LdcKb c=1 sm=1 tr=0 ts=6a10b473 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=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=ih2dppi7jw4BXePuyMoA:9 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIyMDE5OCBTYWx0ZWRfX7qQq3niLQ5A7 MpW9DYkqsRjW6hP3uD5AkSHTeBGBPZ/WEOo8sZ8HQvPwqFRts32YR1QONQNEIjPEYXqgCYKwhni uARJ97F08H1W61wcY5m4Cvdbkd8DyLgpBWQ78ZiZlYjlP+a6pQGlezI9AUi9z/bglAJwGRhQ2rd wa9wYFYJDAZvfg6a4brHpbpX03EHPFSaOYDjo4WXVzxqHz/XAagObcQssregrPvijzNoNzyvc5K pwMrzjgyX1dSFQV1Bu5y6qo5ZCsjRt7fmrhf7o4WX3Z6bRgKrkQ8XD+/2y8FfUcSde6Gb/C25sq nTyVqTqf0GalwhAB9Iy9StZGrUOqZkl1i7qWR/nTQfDgBje/hh9b+7PwQCXfomI/EFU2dHpz26y ppdXDeIiTaw4fLTRUGYSPmU4qgihwotK27hazsmXvDg6177TC6oDmsRbZKGiGInagddv7HbEYbm lSYxTRIeXsvB+FnUFpQ== X-Proofpoint-GUID: lj6-ZOpc2Q0pq5P2rs4OnsmqgL_Si4tj X-Proofpoint-ORIG-GUID: lj6-ZOpc2Q0pq5P2rs4OnsmqgL_Si4tj 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 adultscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 impostorscore=0 phishscore=0 bulkscore=0 clxscore=1015 spamscore=0 priorityscore=1501 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/sm8450.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index e0c37ce3042a..d1fc5ef63a78 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -479,6 +479,7 @@ scm: scm { compatible = "qcom,scm-sm8450", "qcom,scm"; qcom,dload-mode = <&tcsr 0x13000>; interconnects = <&aggre2_noc MASTER_CRYPTO 0 &mc_virt SLAVE_EBI1 0>; + sram = <&minidump_config>; #reset-cells = <1>; }; }; @@ -4978,6 +4979,10 @@ sram@146aa000 { #address-cells = <1>; #size-cells = <1>; + minidump_config: minidump-sram@1c { + reg = <0x1c 0x4>; + }; + pil-reloc@94c { compatible = "qcom,pil-reloc-info"; reg = <0x94c 0xc8>; -- 2.53.0