When CONFIG_COMPILE_TEST is set, it is possible to build some
of the interconnect drivers into the kernel while their dependencies
are loadable modules, which is bad:
arm-linux-gnueabi-ld: drivers/interconnect/qcom/bcm-voter.o: in function `qcom_icc_bcm_voter_commit':
(.text+0x1f8): undefined reference to `rpmh_invalidate'
arm-linux-gnueabi-ld: (.text+0x20c): undefined reference to `rpmh_write_batch'
arm-linux-gnueabi-ld: (.text+0x2b0): undefined reference to `rpmh_write_batch'
arm-linux-gnueabi-ld: (.text+0x2e8): undefined reference to `rpmh_write_batch'
arm-linux-gnueabi-ld: drivers/interconnect/qcom/icc-rpmh.o: in function `qcom_icc_bcm_init':
(.text+0x2ac): undefined reference to `cmd_db_read_addr'
arm-linux-gnueabi-ld: (.text+0x2c8): undefined reference to `cmd_db_read_aux_data'
The exact dependencies are a bit complicated, so split them out into a
hidden Kconfig symbol that all drivers can in turn depend on to get it
right.
Fixes: 976daac4a1 ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201204165030.3747484-1-arnd@kernel.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Across all platforms, there is a continued move towards DT schema for
validating the dts files. As a result there are bug fixes for mistakes
that are found using these schema, in addition to warnings from the
dtc compiler.
As usual, many changes are for adding support for additional on-chip
and on-board components in the machines we already support.
The newly supported SoCs for this release are:
- MStar Infinity2M, a low-end IP camera chip based on a dual-core
Cortex-A7, otherwise similar to the Infinity chip we already support.
This is also known as the SigmaStar SSD202D, and we add support for
the Honestar ssd201htv2 development kit.
- Nuvoton NPCM730, a Cortex-A9 based Baseboard Management Controller
(BMC), in the same family as the NPCM750. This gets used in the Ampere
Altra based "Fii Kudo" server and the Quanta GSJ, both of which are
added as well.
- Broadcom BCM4908, a 64-bit home router chip based on Broadcom's own
Brahma-B53 CPU. Support is also added for the Asus ROG Rapture
GT-AC5300 high-end WiFi router based on this chip.
- Mediatek MT8192 is a new SoC based on eight Cortex-A76/A55 cores,
meant for faster Chromebooks and tablets. It gets added along with
its reference design.
- Mediatek MT6779 (Helio P90) is a high-end phone chip from last year's
generation, also added along with its reference board. This one is
still based on Cortex-A75/A55.
- Mediatek MT8167 is a version of the already supported MT8516 chip,
both based on Cortex-A35. It gets added along with the "Pumpkin"
single board computer, but is likely to also make its way into low-end
tablets in the future.
For the already supported chips, there are a number of new boards.
Interestingly there are more 32-bit machines added this time than
64-bit. Here is a brief list of the new boards:
- Three new Mikrotik router variants based on Marvell Prestera
98DX3236, a close relative of the more common Armada XP
- A reference board for the Marvell Armada 382
- Three new servers using ASpeed baseboard management controllers,
the actual machines being from Bytedance, Facebook and IBM,
and one machine using the Nuvoton NPCM750 BMC.
- The Galaxy Note 10.1 (P4) tablet, using an Exynos 4412.
- The usual set of 32-bit i.MX industrial/embedded hardware:
* Protonic WD3 (tractor e-cockpit)
* Kamstrup OMNIA Flex Concentrator (smart grid platform)
* Van der Laan LANMCU (food storage)
* Altesco I6P (vehicle inspection stations)
* PHYTEC phyBOARD-Segin/phyCORE-i.MX6UL baseboard
- DH electronics STM32MP157C DHCOM, a PicoITX carrier board
for the aleady supported DHCOM module
- Three new Allwinner SoC based single-board computers:
* NanoPi R1 (H3 based)
* FriendlyArm ZeroPi (H3 based)
* Elimo Initium SBC (S3 based)
- Ouya Game Console based on Nvidia Tegra 3
- Version 5 of the already supported Zynq Z-Turn MYIR Board
- LX2162AQDS, a reference platform for NXP Layerscape
LX2162A, which is a repackaged 16-core LX2160A
- A series of Kontron i.MX8M Mini baseboard/SoM versions
- Espressobin Ultra, a new variant of the popular Armada 3700 based board,
- IEI Puzzle-M801, a rackmount network appliance based on
Marvell Armada 8040
- Microsoft Lumia 950 XL, a phone
- HDK855 and HDK865 Hardware development kits for Qualcomm
sm8250 and sm8150, respectively
- Three new board variants of the "Trogdor" Chromebook
(sc7180)
- New board variants of the Renesas based "Kingfisher" and
"HiHope" reference boards
- Kobol Helios64, an open source NAS appliance based on Rockchips
RK3399
- Engicam PX30.Core, a SoM based on Rockchip PX30, along with
a few carrier boards.
There is one conflict in mt6577_auxadc.txt, which got replaced in
another tree and modified here, the modification is already part of
the new file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-dt-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM device tree updates from Arnd Bergmann:
"Across all platforms, there is a continued move towards DT schema for
validating the dts files. As a result there are bug fixes for mistakes
that are found using these schema, in addition to warnings from the
dtc compiler.
As usual, many changes are for adding support for additional on-chip
and on-board components in the machines we already support.
The newly supported SoCs for this release are:
- MStar Infinity2M, a low-end IP camera chip based on a dual-core
Cortex-A7, otherwise similar to the Infinity chip we already
support. This is also known as the SigmaStar SSD202D, and we add
support for the Honestar ssd201htv2 development kit.
- Nuvoton NPCM730, a Cortex-A9 based Baseboard Management Controller
(BMC), in the same family as the NPCM750. This gets used in the
Ampere Altra based "Fii Kudo" server and the Quanta GSJ, both of
which are added as well.
- Broadcom BCM4908, a 64-bit home router chip based on Broadcom's own
Brahma-B53 CPU. Support is also added for the Asus ROG Rapture
GT-AC5300 high-end WiFi router based on this chip.
- Mediatek MT8192 is a new SoC based on eight Cortex-A76/A55 cores,
meant for faster Chromebooks and tablets. It gets added along with
its reference design.
- Mediatek MT6779 (Helio P90) is a high-end phone chip from last
year's generation, also added along with its reference board. This
one is still based on Cortex-A75/A55.
- Mediatek MT8167 is a version of the already supported MT8516 chip,
both based on Cortex-A35. It gets added along with the "Pumpkin"
single board computer, but is likely to also make its way into
low-end tablets in the future.
For the already supported chips, there are a number of new boards.
Interestingly there are more 32-bit machines added this time than
64-bit. Here is a brief list of the new boards:
- Three new Mikrotik router variants based on Marvell Prestera
98DX3236, a close relative of the more common Armada XP
- A reference board for the Marvell Armada 382
- Three new servers using ASpeed baseboard management controllers,
the actual machines being from Bytedance, Facebook and IBM, and one
machine using the Nuvoton NPCM750 BMC.
- The Galaxy Note 10.1 (P4) tablet, using an Exynos 4412.
- The usual set of 32-bit i.MX industrial/embedded hardware:
* Protonic WD3 (tractor e-cockpit)
* Kamstrup OMNIA Flex Concentrator (smart grid platform)
* Van der Laan LANMCU (food storage)
* Altesco I6P (vehicle inspection stations)
* PHYTEC phyBOARD-Segin/phyCORE-i.MX6UL baseboard
- DH electronics STM32MP157C DHCOM, a PicoITX carrier board for the
aleady supported DHCOM module
- Three new Allwinner SoC based single-board computers:
* NanoPi R1 (H3 based)
* FriendlyArm ZeroPi (H3 based)
* Elimo Initium SBC (S3 based)
- Ouya Game Console based on Nvidia Tegra 3
- Version 5 of the already supported Zynq Z-Turn MYIR Board
- LX2162AQDS, a reference platform for NXP Layerscape LX2162A, which
is a repackaged 16-core LX2160A
- A series of Kontron i.MX8M Mini baseboard/SoM versions
- Espressobin Ultra, a new variant of the popular Armada 3700 based
board,
- IEI Puzzle-M801, a rackmount network appliance based on Marvell
Armada 8040
- Microsoft Lumia 950 XL, a phone
- HDK855 and HDK865 Hardware development kits for Qualcomm sm8250 and
sm8150, respectively
- Three new board variants of the "Trogdor" Chromebook (sc7180)
- New board variants of the Renesas based "Kingfisher" and "HiHope"
reference boards
- Kobol Helios64, an open source NAS appliance based on Rockchips
RK3399
- Engicam PX30.Core, a SoM based on Rockchip PX30, along with a few
carrier boards"
* tag 'arm-soc-dt-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (679 commits)
arm64: dts: sparx5: Add SGPIO devices
arm64: dts: sparx5: Add reset support
dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver
ARM: mstar: SMP support
ARM: mstar: Wire up smpctrl for SSD201/SSD202D
ARM: mstar: Add smp ctrl registers to infinity2m dtsi
ARM: mstar: Add dts for Honestar ssd201htv2
ARM: mstar: Add chip level dtsi for SSD202D
ARM: mstar: Add common dtsi for SSD201/SSD202D
ARM: mstar: Add infinity2m support
dt-bindings: mstar: Add Honestar SSD201_HT_V2 to mstar boards
dt-bindings: vendor-prefixes: Add honestar vendor prefix
dt-bindings: mstar: Add binding details for mstar,smpctrl
ARM: mstar: Fill in GPIO controller properties for infinity
ARM: mstar: Add gpio controller to MStar base dtsi
ARM: zynq: Fix incorrect reference to XM013 instead of XM011
ARM: zynq: Convert at25 binding to new description on zc770-xm013
ARM: zynq: Fix OCM mapping to be aligned with binding on zc702
ARM: zynq: Fix leds subnode name for zc702/zybo-z7
ARM: zynq: Rename bus to be align with simple-bus yaml
...
For SM8250 the recently introduced support for handling boot-loader
stream mappings in the ARM SMMU allow us to enable this, and thereby USB
controller and PHY, SDHCI controller and FastRPC, as well as support for
the SM8250 HDK board has been added. Additionally PRNG and RTC is
enabled.
Similarly for SM8150, the ARM SMMU could be added which allows the
secondary USB controller and PHYs, as well as WiFi to be added and
support for the SM8150 HDK board to be introduced. Additionally
Coresight and support for the last-level cache controller was added.
MSM8916 finally has VDDCX and VDDMX removed as regulators and are now
handled by the rpmpd driver for the devices controlling them. The
Longsheer L8150 gains touchscreen, sensors, vibrator and LED support.
MSM8992 gains USB and SDHCI support as well as an I2C controller and the
associated RMI4 based touchscreen for the Lumia 950.
MSM8994 also gains USB and SDHCI support, as well as VADC and temp-alarm
support. Then support for the Lumia 950 XL is added.
SDM845 gains interconnect properties for a number of devices and the
GENI wrappers gains iommu stream configuration, which means DMA
operations on e.g. I2C now works. The Lenovo Yoga C630 finally has the
SMMU enabled, a few fixes and the description of the eDP bridge and
panel means that the laptop can now boot mainline with working display,
GPU, WiFi and audio.
SC7180 gains a slew of smaller improvements and fixes.
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Merge tag 'qcom-arm64-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
Qualcomm ARM64 DT updates for 5.11
For SM8250 the recently introduced support for handling boot-loader
stream mappings in the ARM SMMU allow us to enable this, and thereby USB
controller and PHY, SDHCI controller and FastRPC, as well as support for
the SM8250 HDK board has been added. Additionally PRNG and RTC is
enabled.
Similarly for SM8150, the ARM SMMU could be added which allows the
secondary USB controller and PHYs, as well as WiFi to be added and
support for the SM8150 HDK board to be introduced. Additionally
Coresight and support for the last-level cache controller was added.
MSM8916 finally has VDDCX and VDDMX removed as regulators and are now
handled by the rpmpd driver for the devices controlling them. The
Longsheer L8150 gains touchscreen, sensors, vibrator and LED support.
MSM8992 gains USB and SDHCI support as well as an I2C controller and the
associated RMI4 based touchscreen for the Lumia 950.
MSM8994 also gains USB and SDHCI support, as well as VADC and temp-alarm
support. Then support for the Lumia 950 XL is added.
SDM845 gains interconnect properties for a number of devices and the
GENI wrappers gains iommu stream configuration, which means DMA
operations on e.g. I2C now works. The Lenovo Yoga C630 finally has the
SMMU enabled, a few fixes and the description of the eDP bridge and
panel means that the laptop can now boot mainline with working display,
GPU, WiFi and audio.
SC7180 gains a slew of smaller improvements and fixes.
* tag 'qcom-arm64-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (93 commits)
arm64: dts: qcom: c630: Define eDP bridge and panel
arm64: dts: qcom: c630: Fix pinctrl pins properties
arm64: dts: qcom: c630: Polish i2c-hid devices
arm64: dts: qcom: sc7180: Add lpass cpu node for I2S driver
arm64: dts: sdm845: Add interconnect properties for QUP
interconnect: qcom: sdm845: Add the missing nodes for QUP
dt-bindings: interconnect: sdm845: Add IDs for the QUP ports
arm64: dts: qcom: c630: Expose LID events
arm64: dts: qcom: c630: Re-enable apps_smmu
dts: qcom: sdm845: Add dt entries to support crypto engine.
arm64: dts: qcom: qrb5165-rb5: Add support for MCP2518FD
arm64: dts: qcom: sdm845: use GIC_SPI for IPA interrupts
arm64: dts: qcom: sc7180: use GIC_SPI for IPA interrupts
arm64: dts: qcom: sc7180: limit IPA iommu streams
arm64: dts: qcom: sm8150: Add Coresight support
arm64: dts: qcom: sc7180-trogdor: Make pp3300_a the default supply for pp3300_hub
arm64: dts: qcom: sc7180: Add DDR/L3 votes for the pro variant
arm64: dts: qcom: sc7180-lite: Tweak DDR/L3 scaling on SC7180-lite
arm64: dts: qcom: sc7180-trogdor: add "pen-insert" label for trogdor
arm64: qcom: sc7180: trogdor: Add ADC nodes and thermal zone for charger thermistor
...
Link: https://lore.kernel.org/r/20201130190131.345187-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Here are the interconnect changes for the 5.10-rc1 merge window
consisting of new driver and a cleanup.
Driver changes:
- New driver for Samsung Exynos SoCs
- Misc cleanups
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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Merge tag 'icc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Georgi writes:
interconnect changes for 5.11
Here are the interconnect changes for the 5.10-rc1 merge window
consisting of new driver and a cleanup.
Driver changes:
- New driver for Samsung Exynos SoCs
- Misc cleanups
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
* tag 'icc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
MAINTAINERS: Add entry for Samsung interconnect drivers
interconnect: Add generic interconnect driver for Exynos SoCs
interconnect: qcom: Simplify the vcd compare function
The QUP nodes are currently defined just as entries in the topology,
but they are not referenced by any of the NoCs. Let's fix this and
"attach" them to their NoCs, so that the QUP drivers are able to use
them as path endpoints and scale their bandwidth.
This is based on the information from the downstream msm-4.9 kernel.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20201105135211.7160-2-georgi.djakov@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Let's simplify the cmp_vcd() function and replace the conditionals
with just a single statement, which also improves readability.
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20201013171923.7351-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
The following errors are noticed during boot on a QCS404 board:
[ 2.926647] qcom_icc_rpm_smd_send mas 6 error -6
[ 2.934573] qcom_icc_rpm_smd_send mas 8 error -6
These errors show when we try to configure the GPU and display nodes.
Since these particular nodes aren't supported on RPM and are purely
local, we should just change their mas_rpm_id to -1 to avoid any
requests being sent for these master IDs.
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201118111044.26056-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Some nodes are incorrectly marked as RPM-controlled (they have RPM
master and slave ids assigned), but are actually controlled by the
application CPU instead. The RPM complains when we send requests for
resources that it can't control. Let's fix this by replacing the IDs,
with the default "-1" in which case no requests are sent.
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20201112105140.10092-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
It has been reported that on Fairphone 2 (msm8974-based), increasing
the clock rate for some of the NoCs during boot may lead to hangs.
Let's restore the original behavior and not touch the clock rate of
any of the NoCs to fix the regression.
Reported-by: Luca Weiss <luca@z3ntu.xyz>
Tested-by: Luca Weiss <luca@z3ntu.xyz>
Fixes: b1d681d8d3 ("interconnect: Add sync state support")
Link: https://lore.kernel.org/r/20201109124512.10776-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
When sync_state support got introduced recently, by default we try to
set the NoCs to run initially at maximum rate. But as these values are
aggregated, we may end with a really big clock rate value, which is
then converted from "u64" to "long" during the clock rate rounding.
But on 32bit platforms this may result an overflow. Fix it by making
sure that the rate is within range.
Reported-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Link: https://lore.kernel.org/r/20201106144847.7726-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
In addition to the rest of Qcom interconnect drivers use icc_sync_state
for SM8150/SM8250 interconnect drivers to notify the interconnect
framework when all consumers are probed and there is no need to keep the
bandwidth set to maximum anymore.
Also move the BCM initialization before creating the nodes to set the
max bandwidth in hardware for the initialization/probing stage.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 7d3b0b0d81 ("interconnect: qcom: Use icc_sync_state")
Link: https://lore.kernel.org/r/20201027133418.976687-1-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Take into account the initial bandwidth from the framework and update
the internal sum and max values before committing if needed. This will
ensure that the floor bandwidth values are enforced until the providers
get into sync state.
Fixes: 7d3b0b0d81 ("interconnect: qcom: Use icc_sync_state")
Tested-by: Akash Asthana <akashast@codeaurora.org>
Link: https://lore.kernel.org/r/20201021155938.9223-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Currently if we use sync_state, by default the bandwidth is maxed out,
but in order to set this in hardware, the BCMs (Bus Clock Managers) need
to be initialized first. Move the BCM initialization before creating the
nodes to fix this.
Fixes: 7d3b0b0d81 ("interconnect: qcom: Use icc_sync_state")
Acked-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20201013135913.29059-3-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Currently if we use sync_state, by default the bandwidth is maxed out,
but in order to set this in hardware, the BCMs (Bus Clock Managers) need
to be initialized first. Move the BCM initialization before creating the
nodes to fix this.
Fixes: 7d3b0b0d81 ("interconnect: qcom: Use icc_sync_state")
Acked-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20201013135913.29059-2-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
After enabling interconnect scaling for display on the db845c board,
in certain configurations the board hangs, while the following errors
are observed on the console:
Error sending AMC RPMH requests (-110)
qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
...
In this specific case, the above is related to one of the sequencers
being stuck, while client drivers are returning from probe and trying
to disable the currently unused clock and interconnect resources.
Generally we want to keep the multimedia NoC enabled like the rest of
the NoCs, so let's set the keepalive flag on it too.
Fixes: aae57773fb ("interconnect: qcom: sdm845: Split qnodes into their respective NoCs")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20201012194034.26944-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
* icc-syncstate:
interconnect: Add get_bw() callback
interconnect: Add sync state support
interconnect: qcom: Use icc_sync_state
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Lowering the bandwidth on the bus might have negative consequences if
it's done before all consumers had a chance to cast their vote. Now by
default the framework sets the bandwidth to maximum during boot. We need
to use the icc_sync_state callback to notify the framework when all
consumers are probed and there is no need to keep the bandwidth set to
maximum anymore.
Link: https://lore.kernel.org/r/20200825170152.6434-4-georgi.djakov@linaro.org
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
These structures aren't modified at runtime. Mark them const so they get
moved to read-only memory. We have to cast away const in one place when
we store into the data member of struct icc_node. This is paired with a
re-const of the data member when it is extracted in qcom_icc_set().
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20200914182112.513981-1-swboyd@chromium.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Use the qcom_icc_xlate_extended() in order to parse tags, that are
specified as an additional arguments to the path endpoints in DT.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20200903133134.17201-7-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Use the qcom_icc_xlate_extended() in order to parse tags, that are
specified as an additional arguments to the path endpoints in DT.
Tested-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20200903133134.17201-5-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Implement a function to parse the arguments of the "interconnects" DT
property and populate the interconnect path tags if this information
is available.
Tested-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200903133134.17201-4-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Currently, bcm-voter always assumes requests are made in KBps and that
BCM HW always wants them in Bps, so it always scales the requests by
1000. However, certain use cases and BCMs may use different units.
Thus, add support for BCM-specific scaling factors.
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20200903192149.30385-7-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Change the default TCS wait behavior to only wait for completion in AMC
and WAKE. Waiting isn't necessary in the SLEEP TCS, since votes are only
being removed in this case. Resources can be safely disabled
asynchronously in parallel with the rest of the power collapse sequence.
This reduces the sleep entry latency.
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20200903192149.30385-6-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Currently, all bcm-voters set tcs_cmd::wait=true for the last VCD
command in each TCS (AMC, WAKE, and SLEEP). However, some bcm-voters
don't need the completion and instead need to optimize for latency. For
instance, disabling wait-for-completion in the WAKE set can decrease
resume latency and allow for certain operations to occur in parallel
with the WAKE TCS triggering. This is only safe in very specific
situations. Keep the default behavior of always waiting, but allow it to
be overridden in devicetree.
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20200903192149.30385-5-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add generic qcom interconnect bindings that are common across platforms. In
particular, these include QCOM_ICC_TAG_* macros that clients can use when
calling icc_set_tag().
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200903192149.30385-3-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add driver for the Qualcomm interconnect buses found in SM8250 based
platforms. The topology consists of several NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Based on SC7180 driver and generated from downstream dts.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200728023811.5607-6-jonathan@marek.ca
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add driver for the Qualcomm interconnect buses found in SM8150 based
platforms. The topology consists of several NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Based on SC7180 driver and generated from downstream dts.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200728023811.5607-5-jonathan@marek.ca
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Small BW votes that translate to less than a single BCM unit are
currently truncated to zero. Ensure that non-zero BW requests always
result in at least a vote of 1 to BCM.
Fixes: 976daac4a1 ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20200903192149.30385-2-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
A couple of subsystems have their own subsystem maintainers but choose
to have the code merged through the soc tree as upstream, as the code
tends to be used across multiple SoCs or has SoC specific drivers itself:
- memory controllers:
Krzysztof Kozlowski takes ownership of the drivers/memory
subsystem and its drivers, starting out with a set of cleanup
patches.
A larger driver for the Tegra memory controller that was accidentally
missed for v5.8 is now added.
- reset controllers:
Only minor updates to drivers/reset this time
- firmware:
The "turris mox" firmware driver gains support for signed firmware blobs
The tegra firmware driver gets extended to export some debug information
Various updates to i.MX firmware drivers, mostly cosmetic
- ARM SCMI/SCPI:
A new mechanism for platform notifications is added, among a number
of minor changes.
- optee:
Probing of the TEE bus is rewritten to better support detection of
devices that depend on the tee-supplicant user space.
A new firmware based trusted platform module (fTPM) driver is added
based on OP-TEE
- SoC attributes:
A new driver is added to provide a generic soc_device for identifying
a machine through the SMCCC ARCH_SOC_ID firmware interface rather than
by probing SoC family specific registers.
The series also contains some cleanups to the common soc_device code.
There are also a number of updates to SoC specific drivers,
the main ones are:
- Mediatek cmdq driver gains a few in-kernel interfaces
- Minor updates to Qualcomm RPMh, socinfo, rpm drivers, mostly adding
support for additional SoC variants
- The Qualcomm GENI core code gains interconnect path voting and
performance level support, and integrating this into a number of
device drivers.
- A new driver for Samsung Exynos5800 voltage coupler for
- Renesas RZ/G2H (R8A774E1) SoC support gets added to a couple of SoC
specific device drivers
- Updates to the TI K3 Ring Accelerator driver
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Merge tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"A couple of subsystems have their own subsystem maintainers but choose
to have the code merged through the soc tree as upstream, as the code
tends to be used across multiple SoCs or has SoC specific drivers
itself:
- memory controllers:
Krzysztof Kozlowski takes ownership of the drivers/memory subsystem
and its drivers, starting out with a set of cleanup patches.
A larger driver for the Tegra memory controller that was
accidentally missed for v5.8 is now added.
- reset controllers:
Only minor updates to drivers/reset this time
- firmware:
The "turris mox" firmware driver gains support for signed firmware
blobs The tegra firmware driver gets extended to export some debug
information Various updates to i.MX firmware drivers, mostly
cosmetic
- ARM SCMI/SCPI:
A new mechanism for platform notifications is added, among a number
of minor changes.
- optee:
Probing of the TEE bus is rewritten to better support detection of
devices that depend on the tee-supplicant user space. A new
firmware based trusted platform module (fTPM) driver is added based
on OP-TEE
- SoC attributes:
A new driver is added to provide a generic soc_device for
identifying a machine through the SMCCC ARCH_SOC_ID firmware
interface rather than by probing SoC family specific registers.
The series also contains some cleanups to the common soc_device
code.
There are also a number of updates to SoC specific drivers, the main
ones are:
- Mediatek cmdq driver gains a few in-kernel interfaces
- Minor updates to Qualcomm RPMh, socinfo, rpm drivers, mostly adding
support for additional SoC variants
- The Qualcomm GENI core code gains interconnect path voting and
performance level support, and integrating this into a number of
device drivers.
- A new driver for Samsung Exynos5800 voltage coupler for
- Renesas RZ/G2H (R8A774E1) SoC support gets added to a couple of SoC
specific device drivers
- Updates to the TI K3 Ring Accelerator driver"
* tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (164 commits)
soc: qcom: geni: Fix unused label warning
soc: qcom: smd-rpm: Fix kerneldoc
memory: jz4780_nemc: Only request IO memory the driver will use
soc: qcom: pdr: Reorder the PD state indication ack
MAINTAINERS: Add Git repository for memory controller drivers
memory: brcmstb_dpfe: Fix language typo
memory: samsung: exynos5422-dmc: Correct white space issues
memory: samsung: exynos-srom: Correct alignment
memory: pl172: Enclose macro argument usage in parenthesis
memory: of: Correct kerneldoc
memory: omap-gpmc: Fix language typo
memory: omap-gpmc: Correct white space issues
memory: omap-gpmc: Use 'unsigned int' for consistency
memory: omap-gpmc: Enclose macro argument usage in parenthesis
memory: omap-gpmc: Correct kerneldoc
memory: mvebu-devbus: Align with open parenthesis
memory: mvebu-devbus: Add missing braces to all arms of if statement
memory: bt1-l2-ctl: Add blank lines after declarations
soc: TI knav_qmss: make symbol 'knav_acc_range_ops' static
firmware: ti_sci: Replace HTTP links with HTTPS ones
...
Currently rpmh_invalidate() always returns success. Update its
return type to void.
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1592485553-29163-1-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Currently, if tcs_cmd_gen is called with commit=false, then
tcs_cmd::wait is left uninitialized. Since the tcs_cmd structures passed
to this function aren't zero-initialized, then we're left with random
wait values. This results in waiting for completion for more commands
than is necessary, depending on what's on the stack at the time.
Removing the unnecessary if-condition fixes this, but add an explicit
memset of the tcs_cmd structure as well to ensure predictable behavior
if more tcs_cmd members are added in the future.
Fixes: 976daac4a1 ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200319231021.18108-1-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20200415130327.23059-2-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add Operating State Manager (OSM) L3 interconnect provider support on
SC7180 SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20200227105632.15041-6-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
On some Qualcomm SoCs, Operating State Manager (OSM) controls the
resources of scaling L3 caches. Add a driver to handle bandwidth
requests to OSM L3 from CPU on SDM845 SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20200227105632.15041-4-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Move the icc node ids to a common header, this will allow for
referencing/linking of icc nodes to multiple icc providers on
SDM845 SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20200227105632.15041-2-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add driver for the Qualcomm interconnect buses found in SC7180 based
platforms. The topology consists of several NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
Link: https://lore.kernel.org/r/1583241493-21212-3-git-send-email-okukatla@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
In order to better represent the hardware and its different Network-On-Chip
devices, split the sdm845 provider driver into NoC specific providers.
Remove duplicate functionality already provided by the icc rpmh and
bcm voter drivers to calculate and commit bandwidth requests to hardware.
Signed-off-by: David Dai <daidavid1@codeaurora.org>
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20200209183411.17195-6-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add bcm voter driver and add support for RPMh specific interconnect
providers which implements the set and aggregate functionalities that
translates bandwidth requests into RPMh messages. These modules provide
a common set of functionalities for all Qualcomm RPMh based interconnect
providers and should help reduce code duplication when adding new
providers.
Signed-off-by: David Dai <daidavid1@codeaurora.org>
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200228095951.15457-1-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Add driver for the Qualcomm interconnect buses found in MSM8916 based
platforms. The topology consists of three NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Now we have a common function for standard aggregation, so let's use it,
instead of duplicating the code.
Reviewed-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
There is a new helper function for removing all nodes. Let's use it instead
of duplicating the code.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().
Fixes: 4e60a9568d ("interconnect: qcom: add msm8974 driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20191212075332.16202-5-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().
Fixes: 5e4e6c4d3a ("interconnect: qcom: Add QCS404 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: <stable@vger.kernel.org> # v5.4
Link: https://lore.kernel.org/r/20191212075332.16202-4-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().
Fixes: b5d2f74107 ("interconnect: qcom: Add sdm845 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: <stable@vger.kernel.org> # v5.3+
Link: https://lore.kernel.org/r/20191212075332.16202-3-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20191212075332.16202-2-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Arnd Bergmann
Linus Torvalds
Greg Kroah-Hartman
Georgi Djakov
Dmitry Baryshkov
Stephen Boyd
Sibi Sankar
Mike Tipton
Jonathan Marek
Maulik Shah
ChenTao
Odelu Kukatla
David Dai
Krzysztof Kozlowski