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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5f62557a151sm7209483a12.32.2025.04.23.02.30.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Apr 2025 02:30:18 -0700 (PDT) Message-ID: Date: Wed, 23 Apr 2025 11:30:16 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/6] arm64: dts: qcom: qcs615: Add IMEM and PIL info region To: Lijuan Gao , Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Konrad Dybcio Cc: kernel@quicinc.com, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250423-add_qcs615_remoteproc_support-v1-0-a94fe8799f14@quicinc.com> <20250423-add_qcs615_remoteproc_support-v1-4-a94fe8799f14@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250423-add_qcs615_remoteproc_support-v1-4-a94fe8799f14@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNDIzMDA2NCBTYWx0ZWRfX7QQoQDHbWdS1 rfxk1DCEu6r2NuLG7XTCaaDBCvwtyjx0CbMYwvvetwQtZ0emQCSjXU6II5RcSfcg90B+n6j5tQy LEwZxQjfYvfvycaRoo/ZBmIqNnat1MIVncHVyaf+zNch8etf7IgL7p04B6KJ3QahvpVxS3JDnn4 wbVNkepRNf+wGMd6UllLDeb/nHn8O6D5KBYPC62N80g+Clm68tyLmcnksJq6x+Rz7BWEfMt0pIp 6sLQGXQPMVmd6BBG9cJi9ywzayCpoWpVAtQk4s7LtsPpTb/J/TTz127/XgsP1Z9WcDyGbAx9n0M mXmGI/arAQvB2wJXDtJiR9G/ajsLeCYh0WKUu7rQTki0xx805VETs/hn3z8dOUZcYsxtXXHJzc7 OlAMct2IqtvAfpDZxDukkYdzU5aiwwMfBIbq9rkBJXqTnS5ERQ6D9Z3s3wla/cUEr6xdZxCr X-Proofpoint-GUID: oO4wLiki_k_9xDFg7d_hKprjia_381ld X-Proofpoint-ORIG-GUID: oO4wLiki_k_9xDFg7d_hKprjia_381ld X-Authority-Analysis: v=2.4 cv=M5VNKzws c=1 sm=1 tr=0 ts=6808b32c cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=COk6AnOGAAAA:8 a=SE4aMjCliAL7rhkqCSYA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-23_06,2025-04-22_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=800 malwarescore=0 impostorscore=0 clxscore=1015 suspectscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2504230064 On 4/23/25 11:17 AM, Lijuan Gao wrote: > Add a simple-mfd representing IMEM on QCS615 and define the PIL > relocation info region, so that post mortem tools will be able > to locate the loaded remoteprocs. > > Signed-off-by: Lijuan Gao > --- > arch/arm64/boot/dts/qcom/qcs615.dtsi | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi > index ab3c6ba5842b..fe9fda6b71c4 100644 > --- a/arch/arm64/boot/dts/qcom/qcs615.dtsi > +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi > @@ -3297,6 +3297,20 @@ sram@c3f0000 { > reg = <0x0 0x0c3f0000 0x0 0x400>; > }; > > + sram@146aa000 { > + compatible = "qcom,qcs615-imem", "syscon", "simple-mfd"; > + reg = <0x0 0x146aa000 0x0 0x1000>; > + ranges = <0 0 0x146aa000 0x1000>; IMEM is a lot bigger than what you describe here Konrad