Re: [PATCH v5 3/5] remoteproc: qcom: Update PIL relocation info on load

From: rishabhb
Date: Tue May 19 2020 - 14:15:06 EST

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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@xxxxxxxxxx>
---

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)

Next message: Jonathan Cameron: "Re: [PATCH v7 2/7] IIO: Ingenic JZ47xx: Error check clk_enable calls."
Previous message: John Hubbard: "Re: [PATCH v5.5 10/10] mmap locking API: rename mmap_sem to mmap_lock"
Next in thread: Bjorn Andersson: "Re: [PATCH v5 3/5] remoteproc: qcom: Update PIL relocation info on load"
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