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Prevent the Qualcomm watchdog from autostarting and ensure it's stopped
when the driver probed. In some cases the watchdog is left running by
a previous bootloader stage. Disable autostart so it isn't left running
when we boot into the OS, this behaviour can be changed by enabling
autostart in the board defconfig.
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Sumit Garg <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Provide support for Tegra watchdog functionality. The WATCHDOG index 0 in
conjunction with TIMER 5 is used inline with existing Linux kernel driver.
Signed-off-by: Lukasz Majewski <[email protected]>
Reviewed-by: Svyatoslav Ryhel <[email protected]>
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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The WDT_DAVINCI driver is not safe to compile on 64bit platforms such as
allyesconfig on a 64bit host. Tighten the dependencies here to the
platforms which could use it today.
Signed-off-by: Tom Rini <[email protected]>
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A few watchdog drivers cannot build without access to some platform
specific header files. Express those requirements in Kconfig as well.
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Enable watchdog as early as possible after clock initialization
which is set at 10 seconds.
Signed-off-by: Alif Zakuan Yuslaimi <[email protected]>
Reviewed-by: Tien Fong Chee <[email protected]>
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On STM32MP reference boards, the watchdog is started by a previous
boot stage (e.g. bootrom or secure OS), so the config flag
WATCHDOG_AUTOSTART is not required.
It's preferable to rely on the DT properties "u-boot,autostart" or
"u-boot,noautostart", if needed.
For backward compatibility on defconfigs that are based on SPL,
thus cannot rely on a previous boot stage for starting the
watchdog, enable WATCHDOG_AUTOSTART in their respective defconfig.
The change in stm32mp15_dhsom.config is propagated to:
- configs/stm32mp15_dhcom_basic.config
- configs/stm32mp15_dhcor_basic.config
and then to:
- stm32mp15_dhcom_basic_defconfig
- stm32mp15_dhcom_drc02_basic_defconfig
- stm32mp15_dhcom_pdk2_basic_defconfig
- stm32mp15_dhcom_picoitx_basic_defconfig
- stm32mp15_dhcor_avenger96_basic_defconfig
- stm32mp15_dhcor_basic_defconfig
- stm32mp15_dhcor_drc_compact_basic_defconfig
- stm32mp15_dhcor_testbench_basic_defconfig
Signed-off-by: Patrice Chotard <[email protected]>
Signed-off-by: Antonio Borneo <[email protected]>
Reviewed-by: Patrice Chotard <[email protected]>
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With the removal of the last i.MX31 platform we can remove the rest of
the underlying architecture code as well.
Fixes: f247354708ec ("arm: Remove mx31pdk board")
Signed-off-by: Tom Rini <[email protected]>
Acked-by: Peng Fan <[email protected]>
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This patch enhances the Qualcomm watchdog driver by introducing
support for dynamic timeout configuration. Specifically:
- Calculates and sets the bark and bite timeout values based on
the clock rate and the requested timeout in milliseconds.
- Adds retrieval of the watchdog clock rate during probe using
the common clock framework.
- Adds a default timeout value for ARCH_SNAPDRAGON
in WATCHDOG_TIMEOUT_MSECS.
These changes improve the configurability and accuracy of the
watchdog timer on Qualcomm platforms.
This work builds upon the previous submission:
https://lore.kernel.org/all/[email protected]/
Signed-off-by: Balaji Selvanathan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Some Qualcomm device vendors decide to turn the watchdog on in the
bootloader, resulting in the device being reset if it isn't petted every
~30 seconds. Introduce a driver to keep the watchdog happy and prevent this
annoying behaviour.
Signed-off-by: Paul Sajna <[email protected]>
Co-authored-by: Paul Sajna <[email protected]>
Tested-by: Paul Sajna <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Acked-by: Sumit Garg <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Add support of Renesas R-Car Gen4 watchdog timer. Timeouts up to
8184.0s are supported (CKS1 register is not involved). The watchdog
uses the clock of type CLK_TYPE_GEN4_MDSEL.
The timeout is set in
dts/upstream/src/arm64/renesas/r8a779f0-spider-cpu.dtsi section &rwdt.
This driver is based on upstream linux commit:
e70140ba0d2b("Get rid of 'remove_new' relic from platform driver struct")
Signed-off-by: Shmuel Leib Melamud <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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Co-developed-by: Greg Malysa <[email protected]>
Signed-off-by: Greg Malysa <[email protected]>
Co-developed-by: Ian Roberts <[email protected]>
Signed-off-by: Ian Roberts <[email protected]>
Signed-off-by: Vasileios Bimpikas <[email protected]>
Signed-off-by: Utsav Agarwal <[email protected]>
Signed-off-by: Arturs Artamonovs <[email protected]>
Signed-off-by: Oliver Gaskell <[email protected]>
Signed-off-by: Nathan Barrett-Morrison <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Driver for a PMIC watchdog timer controlled via Siemens SCU firmware
extensions. Only useful on some Siemens i.MX8-based platforms as
special SCFW is needed which provides the needed SCU API.
Signed-off-by: Andrej Valek <[email protected]>
Signed-off-by: Heiko Schocher <[email protected]>
Reviewed-by: Alexander Sverdlin <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Currently, enabling WDT_GPIO on a board which uses SPL, but does not
have SPL_WDT, SPL_DM_GPIO or SPL_OF_CONTROL enabled, breaks the build.
Make it possible to use the WDT_GPIO driver on such boards by
introducing a separate symbol controlling whether the driver is built
for SPL. Make it default to WDT_GPIO such that boards that already
have it enabled and all the SPL prerequisites satisfied will continue
to have it in SPL.
Signed-off-by: Rasmus Villemoes <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Add support for the DaVinci's watchdog timer
Signed-off-by: Bastien Curutchet <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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The DA9063 PMIC is a multi-function device that provides
regulator, watchdog, RTC, and ON key functionalities.
Add support for the DA9063 PMIC watchdog functionality.
Based on the 6.11 kernel drivers/watchdog/da9063_wdt.c driver.
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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The cyclic subsystem is currently enabled either in all build phases
or none. For tools this should not be enabled, but since lib/shc256.c
and other files include watchdog.h in the host build, we must make
sure that it is not enabled there.
Add an SPL symbol so that there is more control of this.
Add an include into cyclic.h so that tools can include this file.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Devarsh Thakkar <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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This patch adds an implementation of the Andes watchdog ATCWDT200 driver.
Signed-off-by: CL Wang <[email protected]>
Signed-off-by: Randolph <[email protected]>
Reviewed-by: Leo Yu-Chi Liang <[email protected]>
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Add to support StarFive watchdog driver. The driver is imported from
linux kernel's drivers/watchdog/starfive-wdt.c without jh7100 support
because there is no support of jh7100 SoC in u-boot yet.
Howver, this patch has been kept the variant coding style because JH7100
can be added later and have a consistency with the linux driver.
Signed-off-by: Chanho Park <[email protected]>
Reviewed-by: Leo Yu-Chi Liang <[email protected]>
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This watchdog driver applies to the following
mcf families:
- mcf52x2 (5271 5275 5282)
- mcf532x (5329 5373)
- mcf523x (5235)
Cpu's not listed for each family does not have WDT module.
Note, after some attempts testing by qemu on 5208 i
finally abandoned, watchdog seems not implemented properly.
The driver has been tested in a real M5282EVM.
Signed-off-by: Angelo Dureghello <[email protected]>
---
Changes for v2:
- remove unnecessary hardcoded timeouts
- remove unnecessary hw_watchdog_xxx stuff
- rewrite wdog module reg calculation
- using IS_ENABLED() where possible
Changes for v3:
- remove hardcoded 4s test
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https://source.denx.de/u-boot/custodians/u-boot-mpc8xx
This pull request adds support for the last CPU board from
CS GROUP France (previously CSSI).
That CPU board called CMPCPRO has a mpc8321E CPU (Family PQII PRO hence
its name) and can be plugged in place of the CMPC885 board.
In order to support that new board, the following changes are included
in this series:
- Make the mpc8xx watchdog driver more generic for reusing it
with mpc83xx
- Fix various small problems on mpc83xx platform
- Add a GPIO Driver for QE GPIOs
- Add support for mpc832x into mpc83xx SPI driver
- Refactor existing board code that will be shared with new board
- Add the new board
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Implement a ARM SMCCC based driver that allow to use
a secure watchdog on the platform.
Signed-off-by: Lionel Debieve <[email protected]>
Reviewed-by: Patrick Delaunay <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-by: Patrick Delaunay <[email protected]>
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The ftwdt010 watchdog driver was deleted by
commit 11232139e399 ("nds32: Remove the architecture")
Return it to the codebase in a DM compatible form. Enable it in
sandbox_defconfig to test compilability.
Another platform using ftwdt010 will be submitted later.
Signed-off-by: Sergei Antonov <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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This driver supports the bcm2835 watchdog found on
Raspberry Pi boards.
It is derived from the Linux driver and was tested
on two Raspberry Pi board versions (B+ and 3B+).
Signed-off-by: Etienne Dublé <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Introduce a new compatible "fsl,pq2pro-wdt"
On mpc83xx, the prescaling factor is 0x10000.
Don't write the watchdog configuration register in
start.S as it can be written only once.
Signed-off-by: Christophe Leroy <[email protected]>
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mpc8xx, mpc83xx and mpc86xx have similar watchdog with almost same
memory registers.
Refactor the driver to get the register addresses from the
device tree and use the compatible to know the prescale factor.
Calculate the watchdog setup value from the provided timeout.
Don't declare it anymore as an HW_WATCHDOG, u-boot will start
servicing the watchdog early enough.
On mpc8xx the watchdog configuration register is also used for
configuring the bus monitor. So add it as an option to the watchdog
when it is mpc8xx. When watchdog is not selected, leave the
configuration of the initial SYPCR from Kconfig.
Signed-off-by: Christophe Leroy <[email protected]>
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mpc8xx, mpc83xx and mpc86xx have similar watchdog with almost same
memory registers.
Rename it mpc8xxx which is the generic name used for drivers supporting
several mpc families.
The driver will be made more generic in following patch.
Signed-off-by: Christophe Leroy <[email protected]>
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In imx_watchdog, clean up the comment to just note the range now, as we
do not need to set the default here as Kconfig does this for us. For
ulp_wdog, set the default value via Kconfig instead.
Cc: Stefan Roese <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Peng Fan <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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As CONFIG_ARCH_BCM6753 is replaced with CONFIG_BCM6855, update the
driver Kconfig to use the new config symbol.
Signed-off-by: William Zhang <[email protected]>
Reviewed-by: Philippe Reynes <[email protected]>
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As CONFIG_ARCH_BCM6858 is replaced with CONFIG_BCM6858, update the
driver Kconfig to use the new config symbol.
Signed-off-by: William Zhang <[email protected]>
Reviewed-by: Philippe Reynes <[email protected]>
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As CONFIG_ARCH_BCM68360 is replaced with CONFIG_BCM6856, update the
driver Kconfig to use the new config symbol.
Signed-off-by: William Zhang <[email protected]>
Reviewed-by: Philippe Reynes <[email protected]>
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As CONFIG_ARCH_BCM63158 is replaced with CONFIG_BCM63158, update the
Kconfig to use the new config symbol.
Signed-off-by: William Zhang <[email protected]>
Reviewed-by: Philippe Reynes <[email protected]>
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In order to test that U-Boot actually maintains the watchdog device(s)
during long-running busy-loops, such as those where we wait for the
user to stop autoboot, we need a watchdog device that actually does
something during those loops; we cannot test that behaviour via the DM
test framework.
So introduce a relatively simple watchdog device which is simply based
on calling the host OS' alarm() function; that has the nice property
that a new call to alarm() simply sets a new deadline, and alarm(0)
cancels any existing alarm. These properties are precisely what we
need to implement start/reset/stop. We install our own handler so that
we get a known message printed if and when the watchdog fires, and by
just invoking that handler directly, we get expire_now for free.
The actual calls to the various OS functions (alarm, signal, raise)
need to be done in os.c, and since the driver code cannot get access
to the values of SIGALRM or SIG_DFL (that would require including a
host header, and that's only os.c which can do that), we cannot simply
do trivial wrappers for signal() and raise(), but instead create
specialized functions just for use by this driver.
Apart from enabling this driver for sandbox{,64}_defconfig, also
enable the wdt command which was useful for hand-testing this new
driver (especially with running u-boot under strace).
Signed-off-by: Rasmus Villemoes <[email protected]>
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This patch integrates the watchdog triggering into the recently added
cyclic infrastructure. Each watchdog device that shall be triggered
registers it's own cyclic function. This way, multiple watchdog devices
are still supported, each via a cyclic function with separate trigger
intervals.
Signed-off-by: Stefan Roese <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Tom Rini <[email protected]> [am335x_evm, mx6cuboxi, rpi_3,dra7xx_evm, pine64_plus, am65x_evm, j721e_evm]
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Add support for hardware watchdog timer for Amlogic SoCs.
This driver has been heavily inspired by his Linux equivalent
(meson_gxbb_wdt.c).
Reviewed-by: Jerome Brunet <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Philippe Boos <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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This patch adds support for the Marvell Octeon watchdog driver, which
currently only support the ARM64 Octeon TX & TX2 platforms. Since the
IP is pretty similar, it makes sense to extend this driver to also
support the MIPS Octeon SoC.
A follow-up patch will enable this watchdog support on the EBB7304
eval board.
Signed-off-by: Stefan Roese <[email protected]>
Cc: Aaron Williams <[email protected]>
Cc: Chandrakala Chavva <[email protected]>
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This patch makes mt7621_wdt driver available for MediaTek MT7621 SoC
Reviewed-by: Stefan Roese <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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As this driver can dynamically determine the values set in
CONFIG_DW_WDT_BASE when using WDT, so make this depend on WDT rather
than migrate CONFIG_DW_WDT_BASE to Kconfig.
Cc: Chee Tien Fong <[email protected]>
Cc: Chin-Liang See <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Holger Brunck <[email protected]>
Cc: Ley Foon Tan <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Siew Chin Lim <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: hee Hong Ang <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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MAX6370 watchdog is available e.g. on Freescale P1/P2 RDB-PC boards.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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Add watchdog controller driver for NPCM7xx/npcm8xx
the wdt design of npcm750 and npcm845 is the same.
so the driver can work on npcm750 and npcm845.
about npcm845 wdt dtsi i will followed kernel dts name
to use nuvoton,npcm750-wdt.
Signed-off-by: Jim Liu <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Prepare v2022.04-rc4
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This IP is also used on some arm SoC, so we allow to
use it on arm bcm6753 too.
Signed-off-by: Philippe Reynes <[email protected]>
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The watchdog timer is part of the sl28cpld management controller. The
watchdog timer usually supervises the bootloader boot-up and if it bites
the failsafe bootloader will be activated. Apart from that it supports
the usual board level reset and one SMARC speciality: driving the
WDT_TIMEOUT# signal.
Signed-off-by: Michael Walle <[email protected]>
Reviewed-by: Priyanka Jain <[email protected]>
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This driver supports the watchdog timer found on Apple's M1 SoC.
On systems that use these SoC, the watchdog timer is the primary
way to reboot the system.
Signed-off-by: Mark Kettenis <[email protected]>
Reviewed-by: Sven Peter <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-on: Apple M1 Macbook
Tested-by: Simon Glass <[email protected]>
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The Sunxi boards only support a 16 second watchdog timeout. This is too
short to boot Linux. The UEFI specification requires 300 seconds as
default timeout.
Change the default for CONFIG_WATCHDOG_AUTOSTART for ARCH_SUNXI.
Fixes: b147bd3607f8 ("sunxi: Enable watchdog timer support by default")
Signed-off-by: Heinrich Schuchardt <[email protected]>
Tested-by: Andre Przywara <[email protected]>
Signed-off-by: Andre Przywara <[email protected]>
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This driver supports the sun4i/sun6i/sun20i watchdog timers.
They have a maximum timeout of 16 seconds.
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: Andre Przywara <[email protected]>
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To avoid the need of extra boot scripting on AM65x for loading a
watchdog firmware, add the required rproc init and loading logic for the
first R5F core to the watchdog start handler. In case the R5F cluster is
in lock-step mode, also initialize the second core. The firmware itself
is embedded into U-Boot binary to ease access to it and ensure it is
properly hashed in case of secure boot.
One possible firmware source is https://github.com/siemens/k3-rti-wdt.
The board is responsible for providing the firmware as additional
loadable via the U-Boot fit image. The driver will pick up its location
from /fit-images/k3-rti-wdt-firmware then.
Signed-off-by: Jan Kiszka <[email protected]>
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This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last ARCH_MX25 platform, remove those
references as well.
Cc: Matthias Weisser <[email protected]>
Cc: Stefano Babic <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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A rather common kind of external watchdog circuit is one that is kept
alive by toggling a gpio. Add a driver for handling such a watchdog.
The corresponding linux driver apparently has support for some
watchdog circuits which can be disabled by tri-stating the gpio, but I
have never actually encountered such a chip in the wild; the whole
point of adding an external watchdog is usually that it is not in any
way under software control. For forward-compatibility, and to make DT
describe the hardware, the current driver only supports devices that
have the always-running property. I went a little back and forth on
whether I should fail ->probe or only ->start, and ended up deciding
->start was the right place.
The compatible string is probably a little odd as it has nothing to do
with linux per se - however, I chose that to make .dts snippets
reusable between device trees used with U-Boot and linux, and this is
the (only) compatible string that linux' corresponding driver and DT
binding accepts. I have asked whether one should/could add "wdt-gpio"
to that binding, but the answer was no:
https://lore.kernel.org/lkml/CAL_JsqKEGaFpiFV_oAtE+S_bnHkg4qry+bhx2EDs=NSbVf_giA@mail.gmail.com/
If someone feels strongly about this, I can certainly remove the
"linux," part from the string - it probably wouldn't the only place where
one can't reuse a DT snippet as-is between linux and U-Boot.
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Signed-off-by: Rasmus Villemoes <[email protected]>
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Add a driver for the PowerPC Book E watchdog driver that is present on a
number of Freescale/NXP SoCs.
Signed-off-by: Chris Packham <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Priyanka Jain <[email protected]>
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In some cases it is useful to compile support for U-Boot command 'wdt'
without starting HW watchdog in early U-Boot phase. For example when the
user want to start the watchdog only on demand by some boot script.
This change adds a new compile option WATCHDOG_AUTOSTART to control whether
U-Boot should automatically start the watchdog during init phase or not.
This option is enabled by default as it was the default behavior prior
introducing this new change. When compiling U-Boot users can decide to turn
this option off.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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