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Date: Fri, 10 Jan 2020 14:19:58 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Ohad Ben-Cohen <ohad@...ery.com>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
Sibi Sankar <sibis@...eaurora.org>,
Rishabh Bhatnagar <rishabhb@...eaurora.org>
Subject: Re: [PATCH v2 3/8] remoteproc: qcom: Update IMEM PIL info on load
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@...aro.org>
> ---
>
> 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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