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Date: Mon, 30 Jan 2023 22:31:52 +0530
From: Kathiravan T <quic_kathirav@...cinc.com>
To: <agross@...nel.org>, <andersson@...nel.org>,
<konrad.dybcio@...aro.org>, <lee@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>,
<linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: Kathiravan T <quic_kathirav@...cinc.com>
Subject: [PATCH 0/3] Add the download mode support for IPQ5332
Enable the support for download mode to collect the RAM dumps if
system crashes, to perform the post mortem analysis.
During the bootup, bootloaders initialize the SMEM. However the bootup
after crash, SMEM will not be intialized again. If the memory for the
SMEM is not reserved, linux consumes that region, which leads to the
loss of SMEM data. So, during the next bootup after crash, bootloaders
will hang due to invalid data present in the SMEM region. Due to this,
added the SMEM support along with this series.
This series depends on the IPQ5332 baseport patches
https://lore.kernel.org/linux-arm-msm/20230130114702.20606-1-quic_kathirav@quicinc.com/T/#t
Kathiravan T (3):
dt-bindings: mfd: qcom,tcsr: add compatible for IPQ5332
arm64: dts: qcom: ipq5332: enable the download mode support
arm64: dts: qcom: ipq5332: add SMEM support
.../devicetree/bindings/mfd/qcom,tcsr.yaml | 1 +
arch/arm64/boot/dts/qcom/ipq5332.dtsi | 20 +++++++++++++++++++
2 files changed, 21 insertions(+)
--
2.17.1
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