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Date: Tue, 19 May 2020 11:14:36 -0700
From: rishabhb@...eaurora.org
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Andy Gross <agross@...nel.org>, Ohad Ben-Cohen <ohad@...ery.com>,
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,
linux-remoteproc-owner@...r.kernel.org
Subject: Re: [PATCH v5 3/5] remoteproc: qcom: Update PIL relocation info on
load
On 2020-05-12 22:56, Bjorn Andersson wrote:
> Update the PIL relocation information in IMEM with information about
> where the firmware for various remoteprocs are loaded.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>
> Changes since v4:
> - Dropped unnecessary comment about ignoring return value.
>
> drivers/remoteproc/Kconfig | 3 +++
> 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, 53 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> index 8088ca4dd6dc..6bd42a411ca8 100644
> --- a/drivers/remoteproc/Kconfig
> +++ b/drivers/remoteproc/Kconfig
> @@ -126,6 +126,7 @@ 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
> @@ -158,6 +159,7 @@ 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
> @@ -209,6 +211,7 @@ 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..c539e89664cb 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_reloc,
> 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 c4936f4d1e80..fdbcae11ae64 100644
> --- a/drivers/remoteproc/qcom_q6v5_mss.c
> +++ b/drivers/remoteproc/qcom_q6v5_mss.c
> @@ -29,6 +29,7 @@
>
> #include "remoteproc_internal.h"
> #include "qcom_common.h"
> +#include "qcom_pil_info.h"
> #include "qcom_q6v5.h"
>
> #include <linux/qcom_scm.h>
> @@ -1221,6 +1222,8 @@ 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:
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c
> b/drivers/remoteproc/qcom_q6v5_pas.c
> index 3bb69f58e086..84cb19231c35 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_reloc,
> adsp->mem_size);
mem_reloc is used to calculate offset and then we again add that offset
to the
ioremapped region base. So we should pass adsp->mem_phys as start here?
> +
> + 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);
>
> ret = adsp_alloc_memory_region(adsp);
> diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c
> b/drivers/remoteproc/qcom_q6v5_wcss.c
> index f1924b740a10..962e37a86b8b 100644
> --- a/drivers/remoteproc/qcom_q6v5_wcss.c
> +++ b/drivers/remoteproc/qcom_q6v5_wcss.c
> @@ -421,10 +421,18 @@ 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;
> +
> + /* Failures only affect post mortem debugging, so ignore return value
> */
> + qcom_pil_info_store("wcnss", wcss->mem_reloc, 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..229482b3231f 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_reloc, 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)
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