Re: [PATCH v2 3/8] remoteproc: qcom: Update IMEM PIL info on load

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On Thu, Dec 26, 2019 at 09:32:10PM -0800, Bjorn Andersson wrote:
> Update the PIL info region structure in IMEM with information about
> where the firmware for various remoteprocs are loaded.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
> 
> Changes since v1:
> - Squashed patches for the individual drivers into one
> - Probe defer on qcom_pil_info_available()
> 
>  drivers/remoteproc/Kconfig          |  3 +++
>  drivers/remoteproc/qcom_q6v5_adsp.c | 19 ++++++++++++++++---
>  drivers/remoteproc/qcom_q6v5_mss.c  |  6 ++++++
>  drivers/remoteproc/qcom_q6v5_pas.c  | 18 +++++++++++++++---
>  drivers/remoteproc/qcom_wcnss.c     | 17 ++++++++++++++---
>  5 files changed, 54 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> index 0798602e355a..84922bb922e0 100644
> --- a/drivers/remoteproc/Kconfig
> +++ b/drivers/remoteproc/Kconfig
> @@ -135,6 +135,7 @@ 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
> @@ -152,6 +153,7 @@ config QCOM_Q6V5_WCSS
>  	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
> @@ -183,6 +185,7 @@ 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 e953886b2eb7..1a942c92d974 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,

Line over 80 characters.

> +				    &adsp->mem_reloc);
> +	if (ret)
> +		return ret;
>  
> -	return qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> -			     adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> -			     &adsp->mem_reloc);
> +	qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);
> +
> +	return 0;
>  }
>  
>  static int adsp_start(struct rproc *rproc)
> @@ -413,6 +422,9 @@ static int adsp_probe(struct platform_device *pdev)
>  	struct rproc *rproc;
>  	int ret;
>  
> +	if (!qcom_pil_info_available())
> +		return -EPROBE_DEFER;
> +
>  	desc = of_device_get_match_data(&pdev->dev);
>  	if (!desc)
>  		return -EINVAL;
> @@ -427,6 +439,7 @@ 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 471128a2e723..6360e69b54e4 100644
> --- a/drivers/remoteproc/qcom_q6v5_mss.c
> +++ b/drivers/remoteproc/qcom_q6v5_mss.c
> @@ -28,6 +28,7 @@
>  
>  #include "remoteproc_internal.h"
>  #include "qcom_common.h"
> +#include "qcom_pil_info.h"
>  #include "qcom_q6v5.h"
>  
>  #include <linux/qcom_scm.h>
> @@ -1052,6 +1053,8 @@ 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", mpss_reloc, qproc->mpss_size);
> +
>  release_firmware:
>  	release_firmware(fw);
>  out:
> @@ -1400,6 +1403,9 @@ static int q6v5_probe(struct platform_device *pdev)
>  	if (desc->need_mem_protection && !qcom_scm_is_available())
>  		return -EPROBE_DEFER;
>  
> +	if (!qcom_pil_info_available())
> +		return -EPROBE_DEFER;
> +
>  	mba_image = desc->hexagon_mba_image;
>  	ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name",
>  					    0, &mba_image);
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> index b890e6e305f3..4dcdf1301e50 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;
> +
> +	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;
>  
> -	return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> -			     adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> -			     &adsp->mem_reloc);
> +	qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);
>  
> +	return 0;
>  }
>  
>  static int adsp_start(struct rproc *rproc)
> @@ -376,6 +384,9 @@ static int adsp_probe(struct platform_device *pdev)
>  	if (!qcom_scm_is_available())
>  		return -EPROBE_DEFER;
>  
> +	if (!qcom_pil_info_available())
> +		return -EPROBE_DEFER;
> +
>  	fw_name = desc->firmware_name;
>  	ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
>  				      &fw_name);
> @@ -396,6 +407,7 @@ 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);
>  
>  	ret = adsp_alloc_memory_region(adsp);
> diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
> index dc135754bb9c..2c1cefeacf97 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;
>  
> -	return qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,
> -			     wcnss->mem_region, wcnss->mem_phys,
> -			     wcnss->mem_size, &wcnss->mem_reloc);
> +	qcom_pil_info_store("wcnss", wcnss->mem_reloc, wcnss->mem_size);
> +
> +	return 0;
>  }
>  
>  static void wcnss_indicate_nv_download(struct qcom_wcnss *wcnss)
> @@ -469,6 +477,9 @@ static int wcnss_probe(struct platform_device *pdev)
>  	if (!qcom_scm_is_available())
>  		return -EPROBE_DEFER;
>  
> +	if (!qcom_pil_info_available())
> +		return -EPROBE_DEFER;
> +
>  	if (!qcom_scm_pas_supported(WCNSS_PAS_ID)) {
>  		dev_err(&pdev->dev, "PAS is not available for WCNSS\n");
>  		return -ENXIO;
> -- 
> 2.24.0
> 



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