linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: sm8750-mtp: Enable CDSP and mention MPSS

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Message-ID: <28afe0ac-5d16-4786-9259-6de5d090b491@linaro.org>
Date: Fri, 6 Dec 2024 09:56:03 +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 3/4] arm64: dts: qcom: sm8750-mtp: Enable CDSP and mention
 MPSS

On 05/12/2024 18:34, Konrad Dybcio wrote:
> On 22.11.2024 4:26 PM, Krzysztof Kozlowski wrote:
>> Enable the CDSP on MPT8750 board and add firmware for the modem, however
>> keep it as failed because modem crashes after booting for unknown
>> reasons.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 15 +++++++++++++++
>>  1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> index 8eeed7f2f7766326cfc7830002768087e9783b9b..e2562ea5996ddfb1bee03b367082f4e1890131f3 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> @@ -791,6 +791,21 @@ &remoteproc_adsp {
>>  	status = "okay";
>>  };
>>  
>> +&remoteproc_cdsp {
>> +	firmware-name = "qcom/sm8750/cdsp.mbn",
>> +			"qcom/sm8750/cdsp_dtb.mbn";
>> +
>> +	status = "okay";
>> +};
>> +
>> +&remoteproc_mpss {
>> +	firmware-name = "qcom/sm8750/modem.mbn",
>> +			"qcom/sm8750/modem_dtb.mbn";
>> +
>> +	/* Modem crashes with "DOG detects stalled initialization" */
>> +	status = "fail";
> 
> That is a bad sign, let's hold off merging this as we may be
> missing some resource..

Luckily there are reports that all modems on recent boards crash (sm8550
and newer), so probably nothing wrong was in this DTS. :)

Best regards,
Krzysztof