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Wed, 24 Jun 2026 12:09:42 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a412e5e9sm2932120b3a.54.2026.06.24.12.09.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2026 12:09:42 -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 15/19] arm64: dts: qcom: sc7180: Add minidump SRAM config to SCM node Date: Thu, 25 Jun 2026 00:38:26 +0530 Message-ID: <20260624190830.3131112-16-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: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfXzxyG0ejDsWwb BCQRCprVQHCUC2Ajdj98bLdXGYwzezHPy4nwdUN0T4IdOBnytksHTyrv4OE83mJqgksY228+jet TsI/vlmqHU8/kOrpktYuMu7bpNiHNiI= X-Proofpoint-GUID: As_VVT9ctf2TRULBMlP9XuvUOmmQ-RKG X-Proofpoint-ORIG-GUID: As_VVT9ctf2TRULBMlP9XuvUOmmQ-RKG X-Authority-Analysis: v=2.4 cv=DbUnbPtW c=1 sm=1 tr=0 ts=6a3c2b78 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=uif5S2Ty6xZypC2F6NQA:9 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI0MDE2MCBTYWx0ZWRfX0Psdm1rFjlsk IsWe0DGhpNxszfWvgU2BxIe1sIVwf5+bNSfXwwLaZ9gQHYyMijtEDujbeebBccENy+1YTQQtRqT 63vR0hPjdvdJzVRdrGQNdTFT4sjhbAgjUFlF6azF9iqmzdQb4+JmFRH7fgGqsGt3iNu8vQLx6Pn h5jnjQgBvVGLHX8EsHsx2flWIfkAEVw8JjrCqw8zvqYQ7bVG4yn4UwDrVkmbPIn5lmlbFEcb+RE XRttcaoMl7w6DCRJXjPgMsGiecBZU+6M7Jgm8d7E09tNKqYIJ/fJz/S2uFXeLcw6axjBic+SQNP uK5hT/2UTi8E7Qyij4kald5StglElAmrWfZ4lvrZh2l77n48LUGThns7VI7uVntIkwHjszYH3q+ pgh+Ioy16KJcWUVMyxFK547bpCaptg== 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 adultscore=0 bulkscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=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/sc7180.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index fa65c485172f..1f51fd431ce5 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -385,6 +385,7 @@ cluster_aoss_sleep: cluster-sleep-2 { firmware { scm: scm { compatible = "qcom,scm-sc7180", "qcom,scm"; + sram = <&minidump_config>; }; }; @@ -3596,6 +3597,10 @@ sram@14680000 { ranges = <0 0 0x14680000 0x2e000>; + minidump_config: minidump-sram@1c { + reg = <0x1c 0x4>; + }; + ipa_modem_tables: modem-tables@28000 { reg = <0x28000 0x2000>; }; -- 2.53.0