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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-23 09:38:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-23 09:38:10 -0800
commita3919caaa27a5fde1cbda46e394bb17953e104a1 (patch)
tree9b4e8ec6df45722380c4255ac019a260757ae1cb /drivers/remoteproc/qcom_adsp_pil.c
parent15192b029509316af4977d2cd389c1eb11183d13 (diff)
parent01625cc5e65f420dbea57f7de6b9552a0f807a84 (diff)
Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson: "This introduces support for booting the dedicated sensor core in the Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to utilize SMD subdevice helpers for properly handle shutdowns and restarts of the remoteproc, add virtio support to the ST remoteproc and refactor the Qualcomm Hexagon driver to handle variations between platforms. The support code for parsing, loading and authenticating Qualcomm firmware files (MDT) is refactored and move to drivers/soc/qcom, to allow for non-remoteproc drivers to utilize this. Finally it brings some cleanups to the remoteproc core" * tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits) remoteproc: qcom: mdt_loader: Use signed type for offset remoteproc: st: add virtio communication support remoteproc: st: correct probe error management remoteproc: Modify the function names remoteproc: Reduce asynchronous request_firmware to auto-boot only remoteproc: Drop qcom_scm_pas_supported() from adsp_probe() MAINTAINERS: Add missing rpmsg include path remoteproc: qcom: Use common SMD edge handler remoteproc: qcom: wcnss: Make SMD handling common remoteproc: Move qcom_mdt_loader into drivers/soc/qcom remoteproc: qcom: mdt_loader: Refactor MDT loader remoteproc: qcom: mdt_loader: Don't overwrite firmware object remoteproc: qcom: Extract non-mdt related helper remoteproc: qcom: q6v5: Decouple driver from MDT loader remoteproc: qcom: q6v5: Remove mss supply from 8916 remoteproc: qcom: fix initializers for qcom_mss_reg_res array remoteproc: Drop firmware_loading_complete remoteproc: Add RPROC_DELETED state remoteproc: Move rproc_delete_debug_dir() to rproc_del() remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc. ...
Diffstat (limited to 'drivers/remoteproc/qcom_adsp_pil.c')
-rw-r--r--drivers/remoteproc/qcom_adsp_pil.c134
1 files changed, 85 insertions, 49 deletions
diff --git a/drivers/remoteproc/qcom_adsp_pil.c b/drivers/remoteproc/qcom_adsp_pil.c
index 43a4ed2f346c..49fe2f807e1d 100644
--- a/drivers/remoteproc/qcom_adsp_pil.c
+++ b/drivers/remoteproc/qcom_adsp_pil.c
@@ -1,5 +1,5 @@
/*
- * Qualcomm ADSP Peripheral Image Loader for MSM8974 and MSM8996
+ * Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
*
* Copyright (C) 2016 Linaro Ltd
* Copyright (C) 2014 Sony Mobile Communications AB
@@ -26,15 +26,19 @@
#include <linux/qcom_scm.h>
#include <linux/regulator/consumer.h>
#include <linux/remoteproc.h>
+#include <linux/soc/qcom/mdt_loader.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
-#include "qcom_mdt_loader.h"
+#include "qcom_common.h"
#include "remoteproc_internal.h"
-#define ADSP_CRASH_REASON_SMEM 423
-#define ADSP_FIRMWARE_NAME "adsp.mdt"
-#define ADSP_PAS_ID 1
+struct adsp_data {
+ int crash_reason_smem;
+ const char *firmware_name;
+ int pas_id;
+ bool has_aggre2_clk;
+};
struct qcom_adsp {
struct device *dev;
@@ -50,8 +54,14 @@ struct qcom_adsp {
unsigned stop_bit;
struct clk *xo;
+ struct clk *aggre2_clk;
struct regulator *cx_supply;
+ struct regulator *px_supply;
+
+ int pas_id;
+ int crash_reason_smem;
+ bool has_aggre2_clk;
struct completion start_done;
struct completion stop_done;
@@ -60,39 +70,16 @@ struct qcom_adsp {
phys_addr_t mem_reloc;
void *mem_region;
size_t mem_size;
+
+ struct qcom_rproc_subdev smd_subdev;
};
static int adsp_load(struct rproc *rproc, const struct firmware *fw)
{
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
- phys_addr_t fw_addr;
- size_t fw_size;
- bool relocate;
- int ret;
-
- ret = qcom_scm_pas_init_image(ADSP_PAS_ID, fw->data, fw->size);
- if (ret) {
- dev_err(&rproc->dev, "invalid firmware metadata\n");
- return ret;
- }
-
- ret = qcom_mdt_parse(fw, &fw_addr, &fw_size, &relocate);
- if (ret) {
- dev_err(&rproc->dev, "failed to parse mdt header\n");
- return ret;
- }
- if (relocate) {
- adsp->mem_reloc = fw_addr;
-
- ret = qcom_scm_pas_mem_setup(ADSP_PAS_ID, adsp->mem_phys, fw_size);
- if (ret) {
- dev_err(&rproc->dev, "unable to setup memory for image\n");
- return ret;
- }
- }
-
- return qcom_mdt_load(rproc, fw, rproc->firmware);
+ return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
+ adsp->mem_region, adsp->mem_phys, adsp->mem_size);
}
static const struct rproc_fw_ops adsp_fw_ops = {
@@ -109,31 +96,43 @@ static int adsp_start(struct rproc *rproc)
if (ret)
return ret;
+ ret = clk_prepare_enable(adsp->aggre2_clk);
+ if (ret)
+ goto disable_xo_clk;
+
ret = regulator_enable(adsp->cx_supply);
if (ret)
- goto disable_clocks;
+ goto disable_aggre2_clk;
+
+ ret = regulator_enable(adsp->px_supply);
+ if (ret)
+ goto disable_cx_supply;
- ret = qcom_scm_pas_auth_and_reset(ADSP_PAS_ID);
+ ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
if (ret) {
dev_err(adsp->dev,
"failed to authenticate image and release reset\n");
- goto disable_regulators;
+ goto disable_px_supply;
}
ret = wait_for_completion_timeout(&adsp->start_done,
msecs_to_jiffies(5000));
if (!ret) {
dev_err(adsp->dev, "start timed out\n");
- qcom_scm_pas_shutdown(ADSP_PAS_ID);
+ qcom_scm_pas_shutdown(adsp->pas_id);
ret = -ETIMEDOUT;
- goto disable_regulators;
+ goto disable_px_supply;
}
ret = 0;
-disable_regulators:
+disable_px_supply:
+ regulator_disable(adsp->px_supply);
+disable_cx_supply:
regulator_disable(adsp->cx_supply);
-disable_clocks:
+disable_aggre2_clk:
+ clk_disable_unprepare(adsp->aggre2_clk);
+disable_xo_clk:
clk_disable_unprepare(adsp->xo);
return ret;
@@ -157,7 +156,7 @@ static int adsp_stop(struct rproc *rproc)
BIT(adsp->stop_bit),
0);
- ret = qcom_scm_pas_shutdown(ADSP_PAS_ID);
+ ret = qcom_scm_pas_shutdown(adsp->pas_id);
if (ret)
dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
@@ -197,7 +196,7 @@ static irqreturn_t adsp_fatal_interrupt(int irq, void *dev)
size_t len;
char *msg;
- msg = qcom_smem_get(QCOM_SMEM_HOST_ANY, ADSP_CRASH_REASON_SMEM, &len);
+ msg = qcom_smem_get(QCOM_SMEM_HOST_ANY, adsp->crash_reason_smem, &len);
if (!IS_ERR(msg) && len > 0 && msg[0])
dev_err(adsp->dev, "fatal error received: %s\n", msg);
@@ -244,6 +243,17 @@ static int adsp_init_clock(struct qcom_adsp *adsp)
return ret;
}
+ if (adsp->has_aggre2_clk) {
+ adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
+ if (IS_ERR(adsp->aggre2_clk)) {
+ ret = PTR_ERR(adsp->aggre2_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(adsp->dev,
+ "failed to get aggre2 clock");
+ return ret;
+ }
+ }
+
return 0;
}
@@ -255,6 +265,10 @@ static int adsp_init_regulator(struct qcom_adsp *adsp)
regulator_set_load(adsp->cx_supply, 100000);
+ adsp->px_supply = devm_regulator_get(adsp->dev, "px");
+ if (IS_ERR(adsp->px_supply))
+ return PTR_ERR(adsp->px_supply);
+
return 0;
}
@@ -311,20 +325,20 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
static int adsp_probe(struct platform_device *pdev)
{
+ const struct adsp_data *desc;
struct qcom_adsp *adsp;
struct rproc *rproc;
int ret;
+ desc = of_device_get_match_data(&pdev->dev);
+ if (!desc)
+ return -EINVAL;
+
if (!qcom_scm_is_available())
return -EPROBE_DEFER;
- if (!qcom_scm_pas_supported(ADSP_PAS_ID)) {
- dev_err(&pdev->dev, "PAS is not available for ADSP\n");
- return -ENXIO;
- }
-
rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
- ADSP_FIRMWARE_NAME, sizeof(*adsp));
+ desc->firmware_name, sizeof(*adsp));
if (!rproc) {
dev_err(&pdev->dev, "unable to allocate remoteproc\n");
return -ENOMEM;
@@ -335,6 +349,9 @@ static int adsp_probe(struct platform_device *pdev)
adsp = (struct qcom_adsp *)rproc->priv;
adsp->dev = &pdev->dev;
adsp->rproc = rproc;
+ adsp->pas_id = desc->pas_id;
+ adsp->crash_reason_smem = desc->crash_reason_smem;
+ adsp->has_aggre2_clk = desc->has_aggre2_clk;
platform_set_drvdata(pdev, adsp);
init_completion(&adsp->start_done);
@@ -384,6 +401,8 @@ static int adsp_probe(struct platform_device *pdev)
goto free_rproc;
}
+ qcom_add_smd_subdev(rproc, &adsp->smd_subdev);
+
ret = rproc_add(rproc);
if (ret)
goto free_rproc;
@@ -402,14 +421,31 @@ static int adsp_remove(struct platform_device *pdev)
qcom_smem_state_put(adsp->state);
rproc_del(adsp->rproc);
+
+ qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);
rproc_free(adsp->rproc);
return 0;
}
+static const struct adsp_data adsp_resource_init = {
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .has_aggre2_clk = false,
+};
+
+static const struct adsp_data slpi_resource_init = {
+ .crash_reason_smem = 424,
+ .firmware_name = "slpi.mdt",
+ .pas_id = 12,
+ .has_aggre2_clk = true,
+};
+
static const struct of_device_id adsp_of_match[] = {
- { .compatible = "qcom,msm8974-adsp-pil" },
- { .compatible = "qcom,msm8996-adsp-pil" },
+ { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
+ { .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
+ { .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
{ },
};
MODULE_DEVICE_TABLE(of, adsp_of_match);