linux-kernel - Re: [PATCH v2 2/2] remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss

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Message-ID: <20210625044736.GA4974@workstation>
Date:   Fri, 25 Jun 2021 10:17:36 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] remoteproc: qcom: pas: Add SC8180X adsp, cdsp and
 mpss

On Tue, Jun 08, 2021 at 10:49:44AM -0700, Bjorn Andersson wrote:
> The Qualcomm SC8180X has the typical ADSP, CDSP and MPSS remote
> processors operated using the PAS interface, add support for these.
> 
> Attempts to configuring mss.lvl is failing, so a new adsp_data is
> provided that skips this resource, for now.
> 

What is the impact of this skipped resource? I guess it is enabled by
the bootloader so we can't change it in runtime?

> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Given that adsp remoteproc works without configuring mss power domain,

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
> 
> Changes since v1:
> - None
> 
>  drivers/remoteproc/qcom_q6v5_pas.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> index b921fc26cd04..a79bee901e9b 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -689,6 +689,25 @@ static const struct adsp_data mpss_resource_init = {
>  	.ssctl_id = 0x12,
>  };
>  
> +static const struct adsp_data sc8180x_mpss_resource = {
> +	.crash_reason_smem = 421,
> +	.firmware_name = "modem.mdt",
> +	.pas_id = 4,
> +	.has_aggre2_clk = false,
> +	.auto_boot = false,
> +	.active_pd_names = (char*[]){
> +		"load_state",
> +		NULL
> +	},
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		NULL
> +	},
> +	.ssr_name = "mpss",
> +	.sysmon_name = "modem",
> +	.ssctl_id = 0x12,
> +};
> +
>  static const struct adsp_data slpi_resource_init = {
>  		.crash_reason_smem = 424,
>  		.firmware_name = "slpi.mdt",
> @@ -811,6 +830,9 @@ static const struct of_device_id adsp_of_match[] = {
>  	{ .compatible = "qcom,qcs404-cdsp-pas", .data = &cdsp_resource_init },
>  	{ .compatible = "qcom,qcs404-wcss-pas", .data = &wcss_resource_init },
>  	{ .compatible = "qcom,sc7180-mpss-pas", .data = &mpss_resource_init},
> +	{ .compatible = "qcom,sc8180x-adsp-pas", .data = &sm8150_adsp_resource},
> +	{ .compatible = "qcom,sc8180x-cdsp-pas", .data = &sm8150_cdsp_resource},
> +	{ .compatible = "qcom,sc8180x-mpss-pas", .data = &sc8180x_mpss_resource},
>  	{ .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init},
>  	{ .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init},
>  	{ .compatible = "qcom,sdx55-mpss-pas", .data = &sdx55_mpss_resource},
> -- 
> 2.29.2
>