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Prepare v2026.04-rc4
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Similar to pinctrl_select_state(), add dev_has_ofnode() check before doing the
real work. Device(scmi_base.0) does not have a real device node, ofnode_null()
is assigned as the device tree node for scmi base protocol device:
'commit 7eb4eb541c14 ("firmware: scmi: install base protocol to SCMI agent")'
However with recent update in
'commit 0535e46d55d7 ("scripts/dtc: Update to upstream version v1.7.2-35-g52f07dcca47c")',
SPL panic in fdt_check_node_offset_()->fdt_next_tag(), because offset is -1
and SPL_OF_LIBFDT_ASSUME_MASK is 0xFF.
So need to validate device tree node.
Reported-by: Ye Li <[email protected]>
Closes: https://lore.kernel.org/u-boot/[email protected]/
Signed-off-by: Peng Fan <[email protected]>
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Peng Fan (OSS) <[email protected]> says:
This patch set primarily removes unused DECLARE_GLOBAL_DATA_PTR
instances.
Many files declare DECLARE_GLOBAL_DATA_PTR and include
asm/global_data.h even though gd is never used. In these cases,
asm/global_data.h is effectively treated as a proxy header, which is
not a good practice.
Following the Include What You Use principle, files should include
only the headers they actually depend on, rather than relying on
global_data.h indirectly. This approach is also adopted in Linux kernel
[1].
The first few patches are prepartion to avoid building break after
remove the including of global_data.h.
A script is for filtering the files:
list=`find . -name "*.[ch]"`
for source in ${list}
do
result=`sed -n '/DECLARE_GLOBAL_DATA_PTR/p' ${source}`
if [ "${result}" == "DECLARE_GLOBAL_DATA_PTR;" ]; then
echo "Found in ${source}"
result=`sed -n '/\<gd\>/p' ${source}`
result2=`sed -n '/\<gd_/p' ${source}`
result3=`sed -n '/\<gd->/p' ${source}`
if [ "${result}" == "" ] && [ "${result2}" == "" ] && [ "${result3}" == "" ];then
echo "Cleanup ${source}"
sed -i '/DECLARE_GLOBAL_DATA_PTR/{N;/\n[[:space:]]*$/d;s/.*\n//;}' ${source}
sed -i '/DECLARE_GLOBAL_DATA_PTR/d' ${source}
sed -i '/global_data.h/d' ${source}
git add ${source}
fi
fi
done
[1] https://lpc.events/event/17/contributions/1620/attachments/1228/2520/Linux%20Kernel%20Header%20Optimization.pdf
CI: https://github.com/u-boot/u-boot/pull/865
Link: https://lore.kernel.org/r/[email protected]
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Remove DECLARE_GLOBAL_DATA_PTR from files where gd is not used, and
drop the unnecessary inclusion of asm/global_data.h.
Headers should be included directly by the files that need them,
rather than indirectly via global_data.h.
Reviewed-by: Patrice Chotard <[email protected]> #STMicroelectronics boards and STM32MP1 ram test driver
Tested-by: Anshul Dalal <[email protected]> #TI boards
Acked-by: Yao Zi <[email protected]> #TH1520
Signed-off-by: Peng Fan <[email protected]>
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TARGET namespace is for machines / boards / what-have-you that
building U-Boot for. Simply replace from TARGET to ARCH
make things more clear and proper for ALL SoCFPGA.
Signed-off-by: Brian Sune <[email protected]>
Reviewed-by: Tien Fong Chee <[email protected]>
# Conflicts:
# drivers/ddr/altera/Makefile
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Upstream DT uses simple-pm-bus instead of simple-bus. simple-pm-bus
requires power domain support. On am33xx, PRM manages power domains but
all domains are enabled at boot. Add stub driver with custom of_xlate
that expects no argumetns to allow simple-pm-bus and dependent devices
to probe.
Signed-off-by: Markus Schneider-Pargmann (TI.com) <[email protected]>
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The helper function "ti_pd_get()" is responsible for powering on a
domain if it is powered off. In the current implementation, if a power
domain is determined to be powered off - no prior users and the PDCTL
register indicates that the user desired state is OFF, then powering on
the domain constitutes setting 'PDCTL_STATE_ON' field of the PDCTL
register.
While the current implementation indeed requests the power domain to be
transition to the ON state, the helper function "ti_pd_get()" doesn't
verify that the power domain has 'transitioned' to the ON state before
returning to its caller. As a result, it is possible that the device(s)
belonging to the power domain may be accessed before it is truly powered
on, leading to a bus abort.
Fix this by waiting for the power domain to transition to the ON state
by using "ti_pd_wait()" before returning from "ti_pd_get()".
Fixes: 144464bd2c67 ("power: domain: Introduce driver for raw TI K3 PDs")
Signed-off-by: Siddharth Vadapalli <[email protected]>
Tested-by: Hrushikesh Salunke <[email protected]>
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Some drivers which depend on SoCFPGA specific headers had not had
appropriate dependencies list in Kconfig. Add ARCH_SOCFPGA or
TARGET_SOCFPGA_SOC64 where appropriate.
Signed-off-by: Tom Rini <[email protected]>
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Currently xilinx_pm_request API supports four u32 payloads. However the
legacy SMC format supports five u32 request payloads and extended SMC
format supports six u32 request payloads. Add support for the same in
xilinx_pm_request API. Also add two dummy arguments to all the callers
of xilinx_pm_request.
The TF-A always fills seven u32 return payload so add support
for the same in xilinx_pm_request API.
Signed-off-by: Naman Trivedi <[email protected]>
Signed-off-by: Venkatesh Yadav Abbarapu <[email protected]>
Acked-by: Senthil Nathan Thangaraj <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/5ae6b560741f3ca8b89059c4ebb87acf75b4718e.1756388537.git.michal.simek@amd.com
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Agilex5 FSBL is required to disable the power of unused peripheral SRAM
blocks to reduce power consumption.
Introducing a new power manager driver for Agilex5 which will be called
as part of Agilex5 SPL initialization process.
This driver will read the peripheral handoff data obtained from the
bitstream and will power off the specified peripheral's SRAM from the
handoff data values.
Signed-off-by: Alif Zakuan Yuslaimi <[email protected]>
Reviewed-by: Tien Fong Chee <[email protected]>
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In case of the i.MX8M power-domains (i.MX8MQ, MM, MN) there is only
one power-domain for each device. Therefore the 'id' field in struct
power_domain should always be zero.
Currently if a power-domain is accessed after the initial bind, the
'id' field is left uninitialized. This didn't cause any problems
until the following commits were introduced:
9086b64ca071 ("power-domain: Add support for refcounting (again)")
a785ef24487b ("imx: power-domain: Enable refcounting on imx8mp")
Now the 'id' field gets accessed in the power_domain_off() sequence
and the invalid value causes "Synchronous Abort" failures.
This was observed on a i.MX8MM board when running "usb start" and
then "usb stop".
Fix this issue by setting power_domain->id to '0' in
imx8m_power_domain_of_xlate().
Signed-off-by: Frieder Schrempf <[email protected]>
Fixes: d08a194871fd ("imx: add support for i.MX8MQ power domain controller")
Fixes: 9086b64ca071 ("power-domain: Add support for refcounting (again)")
Reviewed-by: Miquel Raynal <[email protected]>
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If there is a SoC specific SCMI protocol driver, using
scmi_proto_driver_get() function can avoid to add SoC specific code to
scmi_agent-uclass.c.
Signed-off-by: Alice Guo <[email protected]>
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Prevent enabling/disabling multiple times the same power domain to avoid
breakages due to the same power domains being referenced several times
by different device nodes.
Signed-off-by: Miquel Raynal <[email protected]>
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It is very surprising that such an uclass, specifically designed to
handle resources that may be shared by different devices, is not keeping
the count of the number of times a power domain has been
enabled/disabled to avoid shutting it down unexpectedly or disabling it
several times.
Doing this causes troubles on eg. i.MX8MP because disabling power
domains can be done in recursive loops were the same power domain
disabled up to 4 times in a row. PGCs seem to have tight FSM internal
timings to respect and it is easy to produce a race condition that puts
the power domains in an unstable state, leading to ADB400 errors and
later crashes in Linux.
Some drivers implement their own mechanism for that, but it is probably
best to add this feature in the uclass and share the common code across
drivers. In order to avoid breaking existing drivers, refcounting is
only enabled if the number of subdomains a device node supports is
explicitly set in the probe function. ->xlate() callbacks will return
the power domain ID which is then being used as the array index to reach
the correct refcounter.
As we do not want to break existing users while stile getting
interesting error codes, the implementation is split between:
- a low-level helper reporting error codes if the requested transition
could not be operated,
- a higher-level helper ignoring the "non error" codes, like EALREADY and
EBUSY.
CI tests using power domains are slightly updated to make sure the count
of on/off calls is even and the results match what we *now* expect. They
are also extended to test the low-level functions.
Signed-off-by: Miquel Raynal <[email protected]>
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Unfortunately this change breaks boot on K3 platform.
U-Boot will hang after:
U-Boot SPL 2025.04-01050-ga40fc5afaec0 (Apr 14 2025 - 07:31:32 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.7--v09.02.07 (Kool Koala)')
This reverts commit 197376fbf300e92afa0a1583815d9c9eb52d613a as
suggested in [1].
[1] https://lists.denx.de/pipermail/u-boot/2025-April/587032.html
Signed-off-by: Wadim Egorov <[email protected]>
Acked-by: Miquel Raynal <[email protected]>
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Tom Rini <[email protected]> says:
This series switches to always using $(PHASE_) in Makefiles when
building rather than $(PHASE_) or $(XPL_). It also starts on documenting
this part of the build, but as a follow-up we need to rename
doc/develop/spl.rst and expand on explaining things a bit.
Link: https://lore.kernel.org/r/[email protected]
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It is confusing to have both "$(PHASE_)" and "$(XPL_)" be used in our
Makefiles as part of the macros to determine when to do something in our
Makefiles based on what phase of the build we are in. For consistency,
bring this down to a single macro and use "$(PHASE_)" only.
Signed-off-by: Tom Rini <[email protected]>
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This block delivers power and clocks to the whole display and rendering
pipeline.
Signed-off-by: Miquel Raynal <[email protected]>
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Add support for the i.MX8 MEDIAMIX domain which is driving the power
over the whole display/rendering pipeline.
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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It is very surprising that such an uclass, specifically designed to
handle resources that may be shared by different devices, is not keeping
the count of the number of times a power domain has been
enabled/disabled to avoid shutting it down unexpectedly or disabling it
several times.
Doing this causes troubles on eg. i.MX8MP because disabling power
domains can be done in recursive loops were the same power domain
disabled up to 4 times in a row. PGCs seem to have tight FSM internal
timings to respect and it is easy to produce a race condition that puts
the power domains in an unstable state, leading to ADB400 errors and
later crashes in Linux.
CI tests using power domains are slightly updated to make sure the count
of on/off calls is even and the results match what we *now* expect.
As we do not want to break existing users while stile getting
interesting error codes, the implementation is split between:
- a low-level helper reporting error codes if the requested transition
could not be operated,
- a higher-level helper ignoring the "non error" codes, like EALREADY and
EBUSY.
Signed-off-by: Miquel Raynal <[email protected]>
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Currently in j721e_init.c we check which firewalls to remove using
the board configuration (e.g CONFIG_TARGET_J721E_R5_EVM). We do this
as J721e and J7200 have different IP and firewalls but use the same
SoC definition (SOC_K3_J721E) even though they are different SoCs.
The idea was they would be similar enough that they both could use
the same SoC config to help with common code sharing. Board checks
would then be used differentiate.
This has grown far too messy to maintain any more, especially now
that there is more than one board using J721e (EVM, SK, Beagle AI64).
As differentiation is done based on board, every one of these boards
would have to have checks added for them. Instead let's split J7200
support out from J721e like how normal new SoC support is done.
This patch touches several subsystems and could not be split much better
as when we add SOC_K3_J7200 we want to make use of it in all spots that
once used the combined SOC_K3_J721E so we can turn off SOC_K3_J721E when
building for J7200 boards.
Signed-off-by: Andrew Davis <[email protected]>
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Re-use j784s4 clocks and power domains for j742s2 family of device.
Reviewed-by: Udit Kumar <[email protected]>
Signed-off-by: Manorit Chawdhry <[email protected]>
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Convert to using livetree API functions.
Without this if livetree is enabled (OF_LIVE) the imx8m-power-domain
driver will (silently) fail to probe its children leaving you with
no power domain support causing issues with certain devices.
Signed-off-by: Tim Harvey <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]>
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The upstream Device Tree for GXBB/GXL/G12A was updated with VPU domain
shared between the VPU and HDMI node, causing a double enable.
Simply store the enable state and avoid enabling twice, fixing
HDMI output on all platforms.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
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Use XPL_ as the symbol to indicate an SPL build. This means that SPL_ is
no-longer set.
Signed-off-by: Simon Glass <[email protected]>
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Include the clock and lpsc tree files needed for the wkup spl to
initialize the proper PLLs and power domains to boot the SoC.
Reviewed-by: Bryan Brattlof <[email protected]>
Signed-off-by: Vaishnav Achath <[email protected]>
Signed-off-by: Jayesh Choudhary <[email protected]>
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Add the power domain platform data entries in alphabetical order.
Signed-off-by: Jayesh Choudhary <[email protected]>
Reviewed-by: Neha Malcom Francis <[email protected]>
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As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.
Reported-by: Jonas Karlman <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.
This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing
changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35.
Reported-by: Jonas Karlman <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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Remove <common.h> from this driver directory and when needed
add missing include files directly.
Signed-off-by: Tom Rini <[email protected]>
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Expose the high performance PLL as clock framework clock, so the
PCIe PHY can use it when there is no external refclock provided.
Inspired from counterpart Linux kernel v6.8-rc3 driver:
drivers/pmdomain/imx/imx8mp-blk-ctrl.c. Use last Linux kernel driver
reference commit 7476ddfd36ac ("pmdomain: imx8mp-blk-ctrl: Convert to
platform remove callback returning void").
Tested-by: Tim Harvey <[email protected]> #imx8mp-venice*
Tested-by: Adam Ford <[email protected]> #imx8mp-beacon-kit
Reviewed-by: Marek Vasut <[email protected]>
Signed-off-by: Sumit Garg <[email protected]>
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Add support for GPCv2 power domains and clock handling for PCIe and
PCIe PHY.
Tested-by: Tim Harvey <[email protected]> #imx8mp-venice*
Tested-by: Adam Ford <[email protected]> #imx8mp-beacon-kit
Reviewed-by: Marek Vasut <[email protected]>
Signed-off-by: Sumit Garg <[email protected]>
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Include the clock and lpsc tree files needed for the wkup spl to
initialize the proper PLLs and power domains to boot the SoC.
Reviewed-by: Neha Malcom Francis <[email protected]>
Signed-off-by: Bryan Brattlof <[email protected]>
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Cleanup this list and standardize on using the IS_ENABLED macro for the
power domain data list.
Reviewed-by: Igor Opaniuk <[email protected]>
Signed-off-by: Bryan Brattlof <[email protected]>
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Add clk and device data which can be used by respective drivers
to configure clocks and PSC.
Signed-off-by: Hari Nagalla <[email protected]>
Signed-off-by: Apurva Nandan <[email protected]>
Reviewed-by: Sean Anderson <[email protected]>
Reviewed-by: Nishanth Menon <[email protected]>
Reviewed-by: Bryan Brattlof <[email protected]>
Reviewed-by: Roger Quadros <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]> # AM69-SK
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This function is a no-op. Remove it.
Signed-off-by: Sean Anderson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Replace instances of http://www.ti.com with https://www.ti.com
Signed-off-by: Nishanth Menon <[email protected]>
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Add power domain driver based on SCMI power domain management protocol.
Signed-off-by: AKASHI Takahiro <[email protected]>
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The return value is int type, not sc_err_t(u8), correct the usage.
Signed-off-by: Peng Fan <[email protected]>
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In the imx8m power domain kernel driver, there is an extra udelay(5)
prior to requesting the domain to power up:
https://github.com/torvalds/linux/blob/v6.3/drivers/soc/imx/gpcv2.c#L347-L375
Haven't observed any issues due to the lack of this delay in U-Boot yet,
but better to align it with the kernel driver implementation.
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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This patch adds Power controller driver support for Amlogic
A1 family using secure monitor calls. The power domains register
only can access in secure world.
Signed-off-by: Alexey Romanov <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
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Do not return an error (ENODEV) from the request function if the node is
already configured.
Signed-off-by: Stefan Herbrechtsmeier <[email protected]>
Link: https://lore.kernel.org/r/20230523124215.30915-3-stefan.herbrechtsmeier-oss@weidmueller.com
Signed-off-by: Michal Simek <[email protected]>
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Move imx8 sci header file to include/firmware/imx, then we could
use build macro to reuse some i.MX8 drivers for i.MX9, such as
drivers/cpu/imx8_cpu.c.
Signed-off-by: Peng Fan <[email protected]>
Signed-off-by: Stefano Babic <[email protected]>
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Introduce the auto-generated clock tree and power domain data needed to
attach the am62a into the power-domain and clock frameworks of uboot
Signed-off-by: Bryan Brattlof <[email protected]>
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SET_CONFIGURATION is not yet implemented for Versal platforms. Skip
loading config object for Versal until support is added.
Signed-off-by: Ashok Reddy Soma <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/eb7ef6c6de36a1f7d056de43042f96fe3639f18e.1659691195.git.michal.simek@amd.com
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Introduce autogenerated SoC data support clk and device data for the
AM62. Hook it upto to power-domain and clk frameworks of U-Boot.
Signed-off-by: Dave Gerlach <[email protected]>
Signed-off-by: Suman Anna <[email protected]>
Signed-off-by: Vignesh Raghavendra <[email protected]>
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If dev_count_phandle_with_args returns 0 or another error, then pd will never
have been initialized by power_domain_get_by_index. Avoid comparing against
pd.dev in this situation.
Fixes: 3e4fcfa4bc ("power-domain: fix hang in endless loop on i.MX8")
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]>
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Add trivial driver for i.MX8MP HSIOMIX handling. This is responsible
for enabling the GPCv2 power domains and clock for USB 3.0 and PCIe
in the correct order. Currently supported is the USB 3.0 part which
can be tested, PCIe support should be easy to add.
Tested-By: Tim Harvey <[email protected]> #imx8mp-venice-gw74xx
Signed-off-by: Marek Vasut <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Peng Fan <[email protected]>
Cc: Stefano Babic <[email protected]>
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Add i.MX8MP power domain handling into the driver. This is based on the
Linux GPCv2 driver state which is soon to be in Linux next.
Tested-By: Tim Harvey <[email protected]> #imx8mp-venice-gw74xx
Signed-off-by: Marek Vasut <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Peng Fan <[email protected]>
Cc: Stefano Babic <[email protected]>
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