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Wed, 05 Aug 2026 06:44:44 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 00721157ae682-8201341d3bcsm20647057b3.24.2026.08.05.06.44.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 06:44:44 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha , Konrad Dybcio Subject: [PATCH v5] arm64: dts: qcom: sm8650: Add minidump SRAM config to SCM node Date: Wed, 5 Aug 2026 19:14:36 +0530 Message-ID: <20260805134436.2817251-1-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 2X16J6pZJsnge6SllU_wRlGBKsXScnds X-Authority-Analysis: v=2.4 cv=aOfAb79m c=1 sm=1 tr=0 ts=6a733e4d cx=c_pps a=g1v0Z557R90hA0UpD/5Yag==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=TzvV3HYDIdy8bbtRLkAA:9 a=MFSWADHSvvjO3QEy5MdX:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA1MDExMSBTYWx0ZWRfX74QI8Q5X/y5l 1wRT+xuVamCmhG9YdBzf/qNb7lUnTxjiDT+/CL6XORRmSXdQZVrdOpHdgjA2+IxUC+TJGO1vR2G CCQjTm90LfZEl4ZlEzyQmbNjNasLsM4= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA1MDExMSBTYWx0ZWRfX57UQS1mxmY2M i7zlLtx4I3e5LpfVGOfYJ2RM5etrFVLm8D2QVR/8R35s5aMUs/7mpqnL7cJnrrSqWnHTA84UO7B 6WC39a57c/oYD4YURS0I9Z+3UgrXRjnHPxV8h5cAjvZyCAxyZOQkeeVIDcc8B+XQ01VoIQ++3Yj 5gMpmwC5Tkv5uipXKZppMBZYRoGbxM0z21ZO3/1efR4xvsJkw0s6zReP0ChXfzHJaps/AYHeC+s HaLJG7VHlHFLKW4xgH1nACOt4R7YDREf7ZbMXtc9/v1cmXhAk8KePCDzrsrsT1ewnrhohfNqsLy EJ1yfAlVao7ljAzNmf8ja3QAQYrwI6IZlQwvPy2yEELrPkPxLYZTeEVAIEK+/A5+g+mBvWROwGg gAl3yn0XjOkTDFHlwwtr/f6erMwjvfn0TAuk5cZ4gvAVgZay/lKo0cg0pOLSWat7kXaWCc0t7HA 2ZngFoWkNSid+Xpm23A== X-Proofpoint-GUID: 2X16J6pZJsnge6SllU_wRlGBKsXScnds X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-05_04,2026-08-04_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 clxscore=1015 phishscore=0 malwarescore=0 bulkscore=0 impostorscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608050111 Content-Type: text/plain; charset="utf-8" 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 --- Changes in v5: - Separate patch, as other patches in the series got merged. - Resolved conflict. - Rebased it next-20260731. - Link to v4: https://lore.kernel.org/lkml/20260624190830.3131112-13-mukes= h.ojha@oss.qualcomm.com/ arch/arm64/boot/dts/qcom/sm8650.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qco= m/sm8650.dtsi index 075985ad7995..44d33f1bb0fb 100644 --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi @@ -701,6 +701,7 @@ scm: scm { qcom,dload-mode =3D <&tcsr 0x19000>; interconnects =3D <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; + sram =3D <&minidump_config>; }; }; =20 @@ -7154,6 +7155,10 @@ sram@14680000 { =20 ranges =3D <0 0 0x14680000 0x2c000>; =20 + minidump_config: minidump-sram@1c { + reg =3D <0x1c 0x4>; + }; + ipa_modem_tables: modem-tables@3000 { reg =3D <0x3000 0x2000>; }; --=20 2.53.0