linux-kernel - Re: [PATCH 1/4] arm64: dts: qcom: sm8750: Add CDSP

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Message-ID: <8e359b6c-ee68-4606-a485-057df0b27d92@linaro.org>
Date: Fri, 6 Dec 2024 10:10:51 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: qcom: sm8750: Add CDSP

On 05/12/2024 18:32, Konrad Dybcio wrote:
> On 22.11.2024 4:26 PM, Krzysztof Kozlowski wrote:
>> Add nodes for the CDSP and its SMP2P.  These are compatible with earlier
>> SM8650 with difference in one more interrupt.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
> 
> [...]
> 
>> +
>> +		remoteproc_cdsp: remoteproc@...00000 {
>> +			compatible = "qcom,sm8750-cdsp-pas", "qcom,sm8650-cdsp-pas";
>> +			reg = <0x0 0x32300000 0x0 0x1400000>;
> 
> The size seems to be 0x100000
Even 0x10000 (one less 0) according to downstream DTS. 0x100000 would be
entire touring qdsp6v7 map (1 MB).

However we always - sm8450, sm8550, sm8650 - map here 20 MB for some
reason. Any ideas? Let's correct all platforms to 0x100000?

For the record, there were no differences in downstream kernel.

Best regards,
Krzysztof