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Date:   Fri, 10 Jul 2020 09:35:01 -0700
From:   rishabhb@codeaurora.org
To:     Bjorn Andersson <bjorn.andersson@linaro.org>
Cc:     Andy Gross <agross@kernel.org>, Ohad Ben-Cohen <ohad@wizery.com>,
        Rob Herring <robh+dt@kernel.org>,
        linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Vinod Koul <vkoul@kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        linux-remoteproc-owner@vger.kernel.org
Subject: Re: [PATCH v7 3/5] remoteproc: qcom: Update PIL relocation info on
 load
In-Reply-To: <20200622191942.255460-4-bjorn.andersson@linaro.org>
References: <20200622191942.255460-1-bjorn.andersson@linaro.org>
 <20200622191942.255460-4-bjorn.andersson@linaro.org>
Message-ID: <4ddca08d7fdd6b5c77c5e5f855c6d8a3@codeaurora.org>
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On 2020-06-22 12:19, Bjorn Andersson wrote:
> Update the PIL relocation information in IMEM with information about
> where the firmware for various remoteprocs are loaded.
> 
> Reviewed-by: Vinod Koul <vkoul@kernel.org>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> 
> Changes since v6:
> - None
> 
>  drivers/remoteproc/Kconfig          |  5 +++++
>  drivers/remoteproc/qcom_q6v5_adsp.c | 16 +++++++++++++---
>  drivers/remoteproc/qcom_q6v5_mss.c  |  3 +++
>  drivers/remoteproc/qcom_q6v5_pas.c  | 15 ++++++++++++---
>  drivers/remoteproc/qcom_q6v5_wcss.c | 14 +++++++++++---
>  drivers/remoteproc/qcom_wcnss.c     | 14 +++++++++++---
>  6 files changed, 55 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> index f4bd96d1a1a3..3e8d5d1a2b9e 100644
> --- a/drivers/remoteproc/Kconfig
> +++ b/drivers/remoteproc/Kconfig
> @@ -135,6 +135,7 @@ config QCOM_Q6V5_ADSP
>  	depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
>  	depends on QCOM_SYSMON || QCOM_SYSMON=n
>  	select MFD_SYSCON
> +	select QCOM_PIL_INFO
>  	select QCOM_MDT_LOADER
>  	select QCOM_Q6V5_COMMON
>  	select QCOM_RPROC_COMMON
> @@ -151,6 +152,7 @@ config QCOM_Q6V5_MSS
>  	depends on QCOM_SYSMON || QCOM_SYSMON=n
>  	select MFD_SYSCON
>  	select QCOM_MDT_LOADER
> +	select QCOM_PIL_INFO
>  	select QCOM_Q6V5_COMMON
>  	select QCOM_Q6V5_IPA_NOTIFY
>  	select QCOM_RPROC_COMMON
> @@ -167,6 +169,7 @@ config QCOM_Q6V5_PAS
>  	depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
>  	depends on QCOM_SYSMON || QCOM_SYSMON=n
>  	select MFD_SYSCON
> +	select QCOM_PIL_INFO
>  	select QCOM_MDT_LOADER
>  	select QCOM_Q6V5_COMMON
>  	select QCOM_RPROC_COMMON
> @@ -185,6 +188,7 @@ config QCOM_Q6V5_WCSS
>  	depends on QCOM_SYSMON || QCOM_SYSMON=n
>  	select MFD_SYSCON
>  	select QCOM_MDT_LOADER
> +	select QCOM_PIL_INFO
>  	select QCOM_Q6V5_COMMON
>  	select QCOM_RPROC_COMMON
>  	select QCOM_SCM
> @@ -218,6 +222,7 @@ config QCOM_WCNSS_PIL
>  	depends on QCOM_SMEM
>  	depends on QCOM_SYSMON || QCOM_SYSMON=n
>  	select QCOM_MDT_LOADER
> +	select QCOM_PIL_INFO
>  	select QCOM_RPROC_COMMON
>  	select QCOM_SCM
>  	help
> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c
> b/drivers/remoteproc/qcom_q6v5_adsp.c
> index d2a2574dcf35..efb2c1aa80a3 100644
> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> @@ -26,6 +26,7 @@
>  #include <linux/soc/qcom/smem_state.h>
> 
>  #include "qcom_common.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_q6v5.h"
>  #include "remoteproc_internal.h"
> 
> @@ -82,6 +83,7 @@ struct qcom_adsp {
>  	unsigned int halt_lpass;
> 
>  	int crash_reason_smem;
> +	const char *info_name;
> 
>  	struct completion start_done;
>  	struct completion stop_done;
> @@ -164,10 +166,17 @@ static int qcom_adsp_shutdown(struct qcom_adsp 
> *adsp)
>  static int adsp_load(struct rproc *rproc, const struct firmware *fw)
>  {
>  	struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> +	int ret;
> +
> +	ret = qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> +				    adsp->mem_region, adsp->mem_phys,
> +				    adsp->mem_size, &adsp->mem_reloc);
> +	if (ret)
> +		return ret;
> +
> +	qcom_pil_info_store(adsp->info_name, adsp->mem_phys, adsp->mem_size);
> 
> -	return qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> -			     adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> -			     &adsp->mem_reloc);
> +	return 0;
>  }
> 
>  static int adsp_start(struct rproc *rproc)
> @@ -436,6 +445,7 @@ static int adsp_probe(struct platform_device *pdev)
>  	adsp = (struct qcom_adsp *)rproc->priv;
>  	adsp->dev = &pdev->dev;
>  	adsp->rproc = rproc;
> +	adsp->info_name = desc->sysmon_name;
>  	platform_set_drvdata(pdev, adsp);
> 
>  	ret = adsp_alloc_memory_region(adsp);
> diff --git a/drivers/remoteproc/qcom_q6v5_mss.c
> b/drivers/remoteproc/qcom_q6v5_mss.c
> index 903b2bb97e12..4b8567f970f9 100644
> --- a/drivers/remoteproc/qcom_q6v5_mss.c
> +++ b/drivers/remoteproc/qcom_q6v5_mss.c
> @@ -30,6 +30,7 @@
> 
>  #include "remoteproc_internal.h"
>  #include "qcom_common.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_q6v5.h"
> 
>  #include <linux/qcom_scm.h>
> @@ -1190,6 +1191,8 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
>  	else if (ret < 0)
>  		dev_err(qproc->dev, "MPSS authentication failed: %d\n", ret);
> 
> +	qcom_pil_info_store("modem", qproc->mpss_phys, qproc->mpss_size);
> +
>  release_firmware:
>  	release_firmware(fw);
>  out:
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c
> b/drivers/remoteproc/qcom_q6v5_pas.c
> index 61791a03f648..3837f23995e0 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -25,6 +25,7 @@
>  #include <linux/soc/qcom/smem_state.h>
> 
>  #include "qcom_common.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_q6v5.h"
>  #include "remoteproc_internal.h"
> 
> @@ -64,6 +65,7 @@ struct qcom_adsp {
>  	int pas_id;
>  	int crash_reason_smem;
>  	bool has_aggre2_clk;
> +	const char *info_name;
> 
>  	struct completion start_done;
>  	struct completion stop_done;
> @@ -117,11 +119,17 @@ static void adsp_pds_disable(struct qcom_adsp
> *adsp, struct device **pds,
>  static int adsp_load(struct rproc *rproc, const struct firmware *fw)
>  {
>  	struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> +	int ret;
> 
> -	return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> -			     adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> -			     &adsp->mem_reloc);
> +	ret = qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> +			    adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> +			    &adsp->mem_reloc);
> +	if (ret)
> +		return ret;
> 
> +	qcom_pil_info_store(adsp->info_name, adsp->mem_phys, adsp->mem_size);
> +
> +	return 0;
>  }
> 
>  static int adsp_start(struct rproc *rproc)
> @@ -405,6 +413,7 @@ static int adsp_probe(struct platform_device *pdev)
>  	adsp->rproc = rproc;
>  	adsp->pas_id = desc->pas_id;
>  	adsp->has_aggre2_clk = desc->has_aggre2_clk;
> +	adsp->info_name = desc->sysmon_name;
>  	platform_set_drvdata(pdev, adsp);
> 
>  	device_wakeup_enable(adsp->dev);
> diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c
> b/drivers/remoteproc/qcom_q6v5_wcss.c
> index 88c76b9417fa..8846ef0b0f1a 100644
> --- a/drivers/remoteproc/qcom_q6v5_wcss.c
> +++ b/drivers/remoteproc/qcom_q6v5_wcss.c
> @@ -14,6 +14,7 @@
>  #include <linux/reset.h>
>  #include <linux/soc/qcom/mdt_loader.h>
>  #include "qcom_common.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_q6v5.h"
> 
>  #define WCSS_CRASH_REASON		421
> @@ -424,10 +425,17 @@ static void *q6v5_wcss_da_to_va(struct rproc
> *rproc, u64 da, size_t len)
>  static int q6v5_wcss_load(struct rproc *rproc, const struct firmware 
> *fw)
>  {
>  	struct q6v5_wcss *wcss = rproc->priv;
> +	int ret;
> +
> +	ret = qcom_mdt_load_no_init(wcss->dev, fw, rproc->firmware,
> +				    0, wcss->mem_region, wcss->mem_phys,
> +				    wcss->mem_size, &wcss->mem_reloc);
> +	if (ret)
> +		return ret;
> +
> +	qcom_pil_info_store("wcnss", wcss->mem_phys, wcss->mem_size);
> 
> -	return qcom_mdt_load_no_init(wcss->dev, fw, rproc->firmware,
> -				     0, wcss->mem_region, wcss->mem_phys,
> -				     wcss->mem_size, &wcss->mem_reloc);
> +	return ret;
>  }
> 
>  static const struct rproc_ops q6v5_wcss_ops = {
> diff --git a/drivers/remoteproc/qcom_wcnss.c 
> b/drivers/remoteproc/qcom_wcnss.c
> index 5d65e1a9329a..e2573f79a137 100644
> --- a/drivers/remoteproc/qcom_wcnss.c
> +++ b/drivers/remoteproc/qcom_wcnss.c
> @@ -27,6 +27,7 @@
> 
>  #include "qcom_common.h"
>  #include "remoteproc_internal.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_wcnss.h"
> 
>  #define WCNSS_CRASH_REASON_SMEM		422
> @@ -145,10 +146,17 @@ void qcom_wcnss_assign_iris(struct qcom_wcnss 
> *wcnss,
>  static int wcnss_load(struct rproc *rproc, const struct firmware *fw)
>  {
>  	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
> +	int ret;
> +
> +	ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,
> +			    wcnss->mem_region, wcnss->mem_phys,
> +			    wcnss->mem_size, &wcnss->mem_reloc);
> +	if (ret)
> +		return ret;
> +
> +	qcom_pil_info_store("wcnss", wcnss->mem_phys, wcnss->mem_size);
> 
> -	return qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,
> -			     wcnss->mem_region, wcnss->mem_phys,
> -			     wcnss->mem_size, &wcnss->mem_reloc);
> +	return 0;
>  }
> 
>  static void wcnss_indicate_nv_download(struct qcom_wcnss *wcnss)

Reviewed-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Tested-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>