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On some platforms/architectures the value from get_timer() can wrap.
This is particularly problematic when long-running code needs to measure
a time difference as is the case with watchdog_reset() which tries to
avoid tickling the watchdog too frequently.
Use time_after() from time.h instead of a plain > comparison to avoid
any issues with the time wrapping on a system that has been sitting in
u-boot for a long time.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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Just cleanup help indentation to be the same for all options.
It means <tab><space><space> indentation.
OMAP3 should be indented by tabs which is also fixed.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Commit 06985289d452 ("watchdog: Implement generic watchdog_reset()
version") introduced an automatic selection of CONFIG_WATCHDOG by
CONFIG_WDT. But for boards selecting CONFIG_HW_WATCHDOG, like
boards have a powerpc 8xx, CONFIG_WATCHDOG shall not be selected
as they are mutually exclusive.
Make CONFIG_WATCHDOG dependent on !CONFIG_HW_WATCHDOG
Fixes: 06985289d452 ("watchdog: Implement generic watchdog_reset() version")
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Stefan Roese <sr@denx.de>
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Commit f3729ba6e7b2 ("watchdog: mpc8xx_wdt: Watchdog driver and macros
cleanup") switched the watchdog to CONFIG_WATCHDOG. But this is not
compatible with the 8xx because it starts the watchdog HW timer at
reset and must be serviced from the very beginning including while
U-boot is executed in the firmware before relocation in RAM.
Select CONFIG_HW_WATCHDOG and make hw_watchdog_reset() visible.
Meanwhile, finalise the cleanup of arch/powerpc/cpu/mpc8xx/Kconfig by
removing the lines put in comment in that commit, and also remove
again the selection of CONFIG_MPC8xx_WATCHDOG which was removed by
that commit and brought back by mistake by commit b3134ffbd944
("watchdog: Kconfig: Sort entry alphabetically")
Note that there was an 'imply WATCHDOG' in the original commit but
it disappeared in the Kconfig alphabetical sorting, so no need to
remove it here.
Fixes: f3729ba6e7b2 ("watchdog: mpc8xx_wdt: Watchdog driver and macros cleanup")
Fixes: b3134ffbd944 ("watchdog: Kconfig: Sort entry alphabetically")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Stefan Roese <sr@denx.de>
Cc: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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sandbox conversion to SDL2
TPM TEE driver
Various minor sandbox video enhancements
New driver model core utility functions
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Add support for hardware watchdog timer on all Cortina Access
CAxxxx family of SoCs.
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jason Li <jason.li@cortina-access.com>
Signed-off-by: Alex Nemirovsky <alex.nemirovsky@cortina-access.com>
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- Gen 5 and Watchdog fixes
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At present dm/device.h includes the linux-compatible features. This
requires including linux/compat.h which in turn includes a lot of headers.
One of these is malloc.h which we thus end up including in every file in
U-Boot. Apart from the inefficiency of this, it is problematic for sandbox
which needs to use the system malloc() in some files.
Move the compatibility features into a separate header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present devres.h is included in all files that include dm.h but few
make use of it. Also this pulls in linux/compat which adds several more
headers. Drop the automatic inclusion and require files to include devres
themselves. This provides a good indication of which files use devres.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
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Add optional support for fetching watchdog clock rate from DT
and ungating reset via reset framework. This is optional as not
all platforms using DW WDT support the clock and reset frameworks
yet.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dalon Westergreen <dwesterg@gmail.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Philipp Tomisch <philipp.tomisch@theobroma-systems.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tien Fong Chee <tien.fong.chee@intel.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # roc-rk3399-pc
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Convert the designware watchdog timer driver to DM and add DT probing
support. Perform minor coding style clean up, like drop superfluous
braces. These ought to be no functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dalon Westergreen <dwesterg@gmail.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Philipp Tomisch <philipp.tomisch@theobroma-systems.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tien Fong Chee <tien.fong.chee@intel.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # roc-rk3399-pc
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Fix obvious coding style problems, no functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Suniel Mahesh <sunil.m@techveda.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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The watchdog timer value was never updated in the hardware by this
driver, so the watchdog triggered on some random stale value that
was left in the hardware. The TI SPRUH37C says, quote:
20.4.3.9 Modifying Timer Count/Load Values and Prescaler Setting
...
After a write access, the load register value and prescaler ratio
registers are updated immediately, but new values are considered
only after the next consecutive counter overflow or after a new
trigger command (the WDT_WTGR register).
This means at least one trigger must happen. The driver probably
depended on someone calling it's .reset() callback, however that
is not guaranteed e.g. if the WDT operates without servicing.
Add this missing trigger.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Suniel Mahesh <sunil.m@techveda.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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The timeout parameter of omap3_wdt_start() is in miliseconds, while
GET_WLDR_VAL() expects parameter in seconds. Fix this so the WDT
driver is actually usable.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Suniel Mahesh <sunil.m@techveda.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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Migrate CONFIG_DESIGNWARE_WATCHDOG to Kconfig and update the headers
accordingly, no functional change. The S10 enables the WDT only in
SPL, but does not enable it in U-Boot itself, hence disable it in
the config again.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dalon Westergreen <dwesterg@gmail.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Philipp Tomisch <philipp.tomisch@theobroma-systems.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tien Fong Chee <tien.fong.chee@intel.com>
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This IP is also used on some arm SoC, so we allow to
use it on arm bcm68360 too.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
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At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.
Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Move this function out of common.h and into a relevant header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The expire_now function was previously setting the watchdog timeout to
minimum and waiting for the watchdog to expire. However, this watchdog
also has bits to trigger immediate reset. Use those instead, like the
Linux imx2_wdt driver does.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
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The Linux imx2_wdt driver uses a fsl,ext-reset-output boolean in the
device tree to specify whether the board design should use the external
reset instead of the internal reset. Use this boolean to determine which
mode to use rather than using external reset unconditionally.
For the legacy non-DM mode, the external reset is always used in order
to maintain the previous behavior.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
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move WATCHDOG_TIMEOUT_MSECS to Kconfig and fix
all board defconfigs.
Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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AM335X based beaglebone black target gets reset by DM converted watchdog
if booted from emmc around 60sec. Fixed this by moving driver's private struct
variable initialization at different places in the driver to driver's probe.
Tested on Beaglebone Black.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Fixes: 7659ea32 ("watchdog: omap_wdt: Convert watchdog driver to use DT and DM")
Reported-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
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Add sp805_wdt_expire_now function.
expire_now method is required by U_BOOT_DRIVER.
Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
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This patch disables DM watchdog support for SPL builds and uses
the legacy omap watchdog driver on TI AM335x chipsets.
The following build error is reported if DM watchdog support was
enabled in SPL:
CC spl/drivers/usb/gadget/rndis.o
LD spl/drivers/usb/gadget/built-in.o
LD spl/drivers/usb/musb-new/built-in.o
LD spl/drivers/built-in.o
LD spl/u-boot-spl
arm-linux-ld.bfd: u-boot-spl section .u_boot_list will not fit in region .sram
arm-linux-ld.bfd: region .sram overflowed by 440 bytes
make[1]: *** [spl/u-boot-spl] Error 1
make: *** [spl/u-boot-spl] Error 2
Adjusted WATCHDOG_RESET macro accordingly. Earlier it was pointing
to hw_watchdog_reset. Since CONFIG_WATCHDOG replaces CONFIG_HW_WATCHDOG,
now WATCHDOG_RESET macro points to watchdog_reset. This watchdog_reset
is not defined anywhere for am33xx/omap2 and needs to be defined. Fixed
this by simply calling hw_watchdog_reset in watchdog_reset.
Built and tested on AM335x device (BeagleboneBlack), compile tested for
all other AM33xx/omap2 based boards.
Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
[trini: Fix watchdog.h logic]
Signed-off-by: Tom Rini <trini@konsulko.com>
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This patch adds device tree and driver model watchdog support,
converts the legacy omap watchdog driver to driver model for
TI AM335x chipsets. The following compile warning is removed:
===================== WARNING ======================
This board does not use CONFIG_WDT (DM watchdog support).
Please update the board to use CONFIG_WDT before the
v2019.10 release.
Failure to update by the deadline may result in board removal.
See doc/driver-model/MIGRATION.txt for more info.
====================================================
CONFIG_HW_WATCHDOG is no more a default option for AM33XX devices
after DT/DM conversion, adjusted kconfig accordingly.
DM watchdog support is enabled by default in SPL. The SPL image
doesn't fit into SRAM because of size constraints and build breaks
with an overflow. For this reason DM watchdog support should be
disabled in SPL, driver code should be adjusted accordingly to serve
this purpose.
Built and tested on AM335x device (BeagleboneBlack), compile tested
for all other AM33xx based boards.
Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
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This patch cleans up some coding style related issues in the mtk_wtd
driver to make this driver comply again with the U-Boot coding style
standards.
The only minimal functional change is that the timeout parameter is now
passed in (u64) instead of (unsigned int) from mtk_wdt_start() to
mtk_wdt_set_timeout(), preserving the original value.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Shannon Barber <sbarber@dataspeedinc.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
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The BCM2835/2836 watchdog is not used in mainline U-Boot at all. This
patch removes the driver and its references (CONFIG_BCM2835_WDT)
completely.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Paolo Pisati <p.pisati@gmail.com>
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Add DM and DT probing support to iMX watchdog driver. This should
allow boards to move over to this driver, enable SYSRESET_WATCHDOG
to handle cpu_reset() if required.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Tested-by: Heiko Schocher <hs@denx.de>
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Use CONFIG_IS_ENABLED(WDT) to permit use of WDT in SPL without DM,
while the full U-Boot can use rich DM/DT WDT driver.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Tested-by: Heiko Schocher <hs@denx.de>
Tested-by: Suniel Mahesh <sunil.m@techveda.org>
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Convert legacy driver to use watchdog class.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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The default timeout value had been left in order to leave some traces
about default setup of watchdog done by firmware.
For better understanding and compiler burden, replace it with a comment.
Suggested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Signed-off-by: Shannon Barber <sbarber@dataspeedinc.com>
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The driver was using milliseconds and programming it into a register
which takes ticks of the watchdog clock, which runs at 1MHz. This meant
we were off by 1000 with the desired value.
When 06985289d452 ("watchdog: Implement generic watchdog_reset()
version") was added the aspeed board would leave the watchdog running,
causing it to bite before u-boot was done.
Discovered by booting in qemu:
$ qemu-system-arm -M ast2500-evb -drive file=test.img,format=raw,if=mtd -nographic -no-reboot -d cpu_reset
U-Boot 2019.07-rc3-00091-g2253e40caef5 (Jun 06 2019 - 16:53:23 +0930)
Model: Aspeed BMC
DRAM: 496 MiB
WDT: Started with servicing (60s timeout)
MMC:
In: serial@1e784000
Out: serial@1e784000
Err: serial@1e784000
Watchdog timer expired.
Fixes: 06985289d452 ("watchdog: Implement generic watchdog_reset() version")
Signed-off-by: Joel Stanley <joel@jms.id.au>
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This patch adds IWDG (Independent WatchDoG) support for
STM32MP platform.
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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To make adding new entry easier, sort Kconfig entries in
alphabetical order.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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sp805 is watchdog on some NXP layerscape SoCs, adding
it's driver. Configs CONFIG_WDT_SP805, CONFIG_WDT, CONFIG_CMD_WDT
needs to be enabled to use it.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
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The function bcm6345_wdt_start use the argument timeout
as tick but it should be used as milliseconds.
A clock is added as requirement for this driver.
The frequency of the clock is then used to convert the
millisecond to ticks in the function bcm6345_wdt_start.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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- mscc: small fixes, enhance network support for Serval, Luton and Ocelot
- mt7620: rename arch to more generic name mtmips
- mips: pass initrd addresses via DT as physical addresses
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Currently mach-mt7620 contains only support for mt7628. To avoid confusion,
rename mach-mt7620 to mach-mtmips, which means MediaTek MIPS platforms.
MT7620 and MT7628 should be distinguished by SOC_MT7620 and SOC_MT7628
because they do not share the same lowlevel codes.
Dependencies of four drivers are changed to SOC_MT7628 as these drivers
are only used by MT7628.
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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Restart operation never exists and reset operation never
makes the watchdog expire immediately but expire_now operation
does.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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With the new generic function, the scattered other functions are now
removed to be replaced by the generic one. The new version also enables
the configuration of the watchdog timeout via the DT "timeout-sec"
property (if enabled via CONFIG_OF_CONTROL).
The watchdog servicing is enabled via CONFIG_WATCHDOG.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
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With the generic watchdog driver now implemented, this patch removes
some legacy stuff from the MPC8xx watchdog driver and its Kconfig
integration. CONFIG_MPC8xx_WATCHDOG is completely removed and
hw_watchdog_reset() is made static, as the watchdog will now get
serviced via the DM infrastructure if enabled via CONFIG_WATCHDOG.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
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Now that we have a generic DT property "timeout-sec" handling, the
driver specific implementation can be dropped.
This patch also changes the timeout restriction to the min and max
values (clipping). Before this patch, the value provided via
"timeout-sec" was used if the parameter was too high or low. Now
the driver specific min and max values are used instead.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Michal Simek <michal.simek@xilinx.com> (on zcu100)
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This patch tries to implement a generic watchdog_reset() function that
can be used by all boards that want to service the watchdog device in
U-Boot. This watchdog servicing is enabled via CONFIG_WATCHDOG.
Without this approach, new boards or platforms needed to implement a
board specific version of this functionality, mostly copy'ing the same
code over and over again into their board or platforms code base.
With this new generic function, the scattered other functions are now
removed to be replaced by the generic one. The new version also enables
the configuration of the watchdog timeout via the DT "timeout-sec"
property (if enabled via CONFIG_OF_CONTROL).
This patch also adds a new flag to the GD flags, to flag that the
watchdog is ready to use and adds the pointer to the watchdog device
to the GD. This enables us to remove the global "watchdog_dev"
variable, which was prone to cause problems because of its potentially
very early use in watchdog_reset(), even before the BSS is cleared.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Marek Behún" <marek.behun@nic.cz>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Maxim Sloyko <maxims@google.com>
Cc: Erik van Luijk <evanluijk@interact.nl>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Weijie Gao <weijie.gao@mediatek.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: "Álvaro Fernández Rojas" <noltari@gmail.com>
Cc: Philippe Reynes <philippe.reynes@softathome.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Michal Simek <michal.simek@xilinx.com> (on zcu100)
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The generic wdt_start API expects to be called with the timeout in
milliseconds. Update the orion_wdt driver to accept a timeout in
milliseconds and use the clock rate specified in the dts to convert the
timeout to an appropriate value for the timer reload register.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
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When run from the SPL the mvebu targets are using the hardware default
offset for the SoC peripherals. devfdt_get_addr_size_index() understands
how to deal with this via dm_get_translation_offset() so use this
instead of fdtdec_get_addr_size_auto_noparent().
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
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This patch enables and starts the watchdog on the AT91 platform if
configured. The WD timeout value is read in the AT91 WD device driver
from the DT, using the "timeout-sec" DT property. If not provided in
the DT, the default value of 2 seconds is used.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas@biessmann.org>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
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This patch removes the CONFIG_AT91_HW_WDT_TIMEOUT as its not needed any
more. The WD timeout value can be provided via the "timeout-sec" DT
property. If not provided this way, the default value of 2 seconds will
be used.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas@biessmann.org>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
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This patch fixes the timer register setup in at91_wdt_start() to
correctly configure the register again. The input timeout value is
now in milli-seconds instead of seconds with the new watchdog API.
Make sure to take this into account and only use a max timeout
value of 16 seconds as appropriate for this SoC.
Also the check against a lower timeout value than 0 is removed. This
check makes no sense, as the timeout value is unsigned.
Signed-off-by: Stefan Roese <sr@denx.de>
Reported-by: Heiko Schocher <hs@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas@biessmann.org>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested on the taurus board:
Tested-by: Heiko Schocher <hs@denx.de>
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This IP is also used on some arm SoC, so we allow to
use it on arm bcm63158 too.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
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