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Wed, 24 Jun 2026 12:09:08 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a412e5e9sm2932120b3a.54.2026.06.24.12.09.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2026 12:09:07 -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 07/19] arm64: dts: qcom: sm8450: Add minidump SRAM config to SCM node Date: Thu, 25 Jun 2026 00:38:18 +0530 Message-ID: <20260624190830.3131112-8-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-Spam-Info: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfX0MLjGNn3Ho38 mF2cMaiiP4t+WpePFvnP++olwes3r4CDy0p1EsmgSb1c2JdUkCkI6Frae1ubXw47tL9kdQJVsuR 7o+eEYiaX5qLwVe09ajo8nzf9S1eO50= X-Proofpoint-ORIG-GUID: 1eFUXEk20h-iNGWIvRnm19DCO1Ypkrt0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfX29loCWmrbV8i 1YuP9q/1tSjXK4M3QnUjP+WaZTrPedZiwm6PkCPmtEYYkbzLmJvcGnpi1JKnFYaX8VbFCA4UB3M yOx2k15nmpejQ/joJbsoz1mSa0l/zr6n0X2SUVGj8JpFUK2B3UGjlzoXMaWpz7DNXmfK7pZqRAL m8chPerc82uFtluF48VrCs0njrV57oaa7H44UCF+m/WXvGhGG0AKb/iNb7eFCJ0rAgxmPlGJM55 JnRA4OgT8qXUMCghXjpVVoCjWTuhDKOl4Quvpr89DHl40zbh+4Cg9rN9V+M04X1nHQinAUoHdAx iy+sv653Vp3O6E+CMzlQqATTTCFPvUXF3IMDykHIoFjrEz5L8crjYnMblJBAa044ryUyjwnOec5 h2XsqWuf5uYwVtWcdXff0wtuTIkluPhBPZYcToWEKVzBF/KvPU9UTueH7GwQf1C358HcQtR6gKK HunZDTfsI6210BneNqg== X-Proofpoint-GUID: 1eFUXEk20h-iNGWIvRnm19DCO1Ypkrt0 X-Authority-Analysis: v=2.4 cv=TcSmcxQh c=1 sm=1 tr=0 ts=6a3c2b55 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=ih2dppi7jw4BXePuyMoA:9 a=IoOABgeZipijB_acs4fv:22 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 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 bulkscore=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/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 56cb6e959e4e..f819b4f7fdbc 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