linux-kernel - Re: [PATCH v2 2/4] arm64: dts: qcom: sm8250: Add TCSR halt register space

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Date:   Wed, 25 Oct 2023 20:59:13 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Mukesh Ojha <quic_mojha@...cinc.com>
Cc:     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,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] arm64: dts: qcom: sm8250: Add TCSR halt register space

On Wed, 25 Oct 2023 at 20:07, Mukesh Ojha <quic_mojha@...cinc.com> wrote:
>
> Enable download mode for sm8250 which can help collect
> ramdump for this SoC.
>
> Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
> ---
> Changes in v2:
>  - Improved commit text.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

>
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index be970472f6c4..76f470a78608 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -671,6 +671,7 @@
>         firmware {
>                 scm: scm {
>                         compatible = "qcom,scm-sm8250", "qcom,scm";
> +                       qcom,dload-mode = <&tcsr 0x13000>;
>                         #reset-cells = <1>;
>                 };
>         };
> @@ -2543,6 +2544,11 @@
>                         #hwlock-cells = <1>;
>                 };
>
> +               tcsr: syscon@...0000 {
> +                       compatible = "qcom,sm8250-tcsr", "syscon";
> +                       reg = <0x0 0x1fc0000 0x0 0x30000>;
> +               };
> +
>                 wsamacro: codec@...0000 {
>                         compatible = "qcom,sm8250-lpass-wsa-macro";
>                         reg = <0 0x03240000 0 0x1000>;
> --
> 2.7.4
>


-- 
With best wishes
Dmitry