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The sysmon client communicates either via a dedicated SMD/GLINK channel
or via QMI encoded messages over IPCROUTER with remote processors in
order to perform graceful shutdown and inform about other remote
processors shutting down.
Acked-By: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Register MDT segments with the remoteproc core dump functionality in
order to include them in a core dump, in case of a recovery of the remote
processor.
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In order to implement support for grabbing core dumps in remoteproc it's
necessary to know the relocated base of the image, as the offsets from
the virtual memory base might not be based on the physical address.
Return the adjusted physical base address to the caller.
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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remoteproc is writing '\0' in the shared mem region. This
region is shared among multiple clients that are also trying
to read. Hence they miss first character.
Remove this null character write, as this mem area is
supposed to be Read only.
Further during every subsystem reboot, this region is
initialized with default, hence no need to write this
region.
Signed-off-by: Jitendra Sharma <shajit@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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As the core now deals with the lack of a resource table, remove the
dangling custom dummy implementations of find_rsc_table from drivers.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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There are currently a few different schemes used for overriding fw_ops
or parts of fw_ops. Merge fw_ops into rproc_ops and expose the default
ELF-loader symbols so that they can be assigned by the drivers.
To keep backwards compatibility with the "default" case, a driver not
specifying the "load" operation is assumed to want the full ELF-loader
suit of functions.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Move the SMD edge handling to the Qualcomm common file to make it
reusable for other Qualcomm remoteproc drivers.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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With the remoteproc parts cleaned out of the MDT loader we can move it
to drivers/soc/qcom.
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pushing the SCM calls into the MDT loader reduces duplication in the
callers and allows for non-remoteproc clients to use the helper for
parsing and loading MDT files.
Cc: Andy Gross <andy.gross@linaro.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In preparation for moving the mdt loader out of remoteproc let's move
the somewhat unrelated resource table dummy helper to a Qualcomm
"common" file.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The tie between the main WCNSS driver and the IRIS driver causes a
circular dependency between the two modules. Neither part makes sense to
have on their own so lets merge them into one module.
For the sake of picking up the clock and regulator resources described
in the iris of_node we need an associated struct device. But, to keep
the size of the patch down we continue to represent the IRIS part as its
own platform_driver, within the same module, rather than setting up a
dummy device.
Fixes: aed361adca9f ("remoteproc: qcom: Introduce WCNSS peripheral image loader")
Reported-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Allow the wcnss smd edge to be described as a child of the wcnss
remoteproc node and make the edge life cycle follow the running state of
the remoteproc.
This bond is necessary to clean up the smd state when the remote
processor is suddenly removed, and in some cases even when it shut down
in a controlled fasion.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/remoteproc/qcom_wcnss.ko | grep alias
$
After this patch:
$ modinfo drivers/remoteproc/qcom_wcnss.ko | grep alias
alias: of:N*T*Cqcom,pronto-v2-pilC*
alias: of:N*T*Cqcom,pronto-v2-pil
alias: of:N*T*Cqcom,pronto-v1-pilC*
alias: of:N*T*Cqcom,pronto-v1-pil
alias: of:N*T*Cqcom,riva-pilC*
alias: of:N*T*Cqcom,riva-pil
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In order to be able to lock a rproc driver implementations only when
used by a client, we must differ between the dereference operation of a
client and the implementation itself.
This patch brings no functional change.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This introduces the peripheral image loader, for loading WCNSS firmware
and boot the core on e.g. MSM8974. The firmware is verified and booted
with the help of the Peripheral Authentication System (PAS) in
TrustZone.
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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