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Message-ID: <0f4b901a-d907-4a10-aaa5-06eb9cb5eb32@linaro.org>
Date:   Thu, 26 Oct 2023 20:52:56 +0200
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Subject: Re: [PATCH] arm64: dts: qcom: ipq5018: add few more reserved memory
 regions
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To:     Kathiravan Thirumoorthy <quic_kathirav@quicinc.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20231025-ipq5018-misc-v1-1-7d14fde97fe7@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20231025-ipq5018-misc-v1-1-7d14fde97fe7@quicinc.com>
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On 10/25/23 18:42, Kathiravan Thirumoorthy wrote:
> Like all other IPQ SoCs, bootloader will collect the system RAM contents
> upon crash for the post morterm analysis. If we don't reserve the memory
> region used by bootloader, obviously linux will consume it and upon next
> boot on crash, bootloader will be loaded in the same region, which will
> lead to loose some of the data, sometimes we may miss out critical
> information. So lets reserve the region used by the bootloader.
> 
> Similarly SBL copies some data into the reserved region and it will be
> used in the crash scenario. So reserve 1MB for SBL as well.
> 
> While at it, enable the SMEM support along with TCSR mutex.
> 
> Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@quicinc.com>
> ---
Bit of a "many things at once" but okay

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad