linux-kernel - Re: [PATCH v2 4/4] arm64: dts: qcom: sm8550: Enable download mode register write

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Date:   Thu, 23 Nov 2023 19:37:28 +0530
From:   Mukesh Ojha <quic_mojha@...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>, <conor+dt@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: sm8550: Enable download mode
 register write



On 10/25/2023 10:36 PM, Mukesh Ojha wrote:
> Enable download mode setting for sm8550 which can help collect
> ramdump for this SoC.
> 
> Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
> ---
> Changes in v2:
>   - Improved commit text.
> 
>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 7bafb3d88d69..c94d06a9290c 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -324,6 +324,7 @@
>   	firmware {
>   		scm: scm {
>   			compatible = "qcom,scm-sm8550", "qcom,scm";
> +			qcom,dload-mode = <&tcsr 0x13000>;

Sorry for this but made a mistake here for sm8550.

it should be

qcom,dload-mode = <&tcsr 0x19000>;

will send a v3 for this patch.

-Mukesh

>   			interconnects = <&aggre2_noc MASTER_CRYPTO 0 &mc_virt SLAVE_EBI1 0>;
>   		};
>   	};