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# Watchdog device configuration
#
menuconfig WATCHDOG
bool "Watchdog Timer Support"
---help---
If you say Y here (and to one of the following options) and create a
character special file /dev/watchdog with major number 10 and minor
number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
subsequently opening the file and then failing to write to it for
longer than 1 minute will result in rebooting the machine. This
could be useful for a networked machine that needs to come back
on-line as fast as possible after a lock-up. There's both a watchdog
implementation entirely in software (which can sometimes fail to
reboot the machine) and a driver for hardware watchdog boards, which
are more robust and can also keep track of the temperature inside
your computer. For details, read
<file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
The watchdog is usually used together with the watchdog daemon
which is available from
<ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
also monitor NFS connections and can reboot the machine when the process
table is full.
If unsure, say N.
if WATCHDOG
config WATCHDOG_CORE
bool "WatchDog Timer Driver Core"
---help---
Say Y here if you want to use the new watchdog timer driver core.
This driver provides a framework for all watchdog timer drivers
and gives them the /dev/watchdog interface (and later also the
sysfs interface).
config WATCHDOG_NOWAYOUT
bool "Disable watchdog shutdown on close"
help
The default watchdog behaviour (which you get if you say N here) is
to stop the timer if the process managing it closes the file
/dev/watchdog. It's always remotely possible that this process might
get killed. If you say Y here, the watchdog cannot be stopped once
it has been started.
#
# General Watchdog drivers
#
comment "Watchdog Device Drivers"
# Architecture Independent
config SOFT_WATCHDOG
tristate "Software watchdog"
select WATCHDOG_CORE
help
A software monitoring watchdog. This will fail to reboot your system
from some situations that the hardware watchdog will recover
from. Equally it's a lot cheaper to install.
To compile this driver as a module, choose M here: the
module will be called softdog.
config DA9052_WATCHDOG
tristate "Dialog DA9052 Watchdog"
depends on PMIC_DA9052
select WATCHDOG_CORE
help
Support for the watchdog in the DA9052 PMIC. Watchdog trigger
cause system reset.
Say Y here to include support for the DA9052 watchdog.
Alternatively say M to compile the driver as a module,
which will be called da9052_wdt.
config DA9055_WATCHDOG
tristate "Dialog Semiconductor DA9055 Watchdog"
depends on MFD_DA9055
select WATCHDOG_CORE
help
If you say yes here you get support for watchdog on the Dialog
Semiconductor DA9055 PMIC.
This driver can also be built as a module. If so, the module
will be called da9055_wdt.
config GPIO_WATCHDOG
tristate "Watchdog device controlled through GPIO-line"
depends on OF_GPIO
select WATCHDOG_CORE
help
If you say yes here you get support for watchdog device
controlled through GPIO-line.
config WM831X_WATCHDOG
tristate "WM831x watchdog"
depends on MFD_WM831X
select WATCHDOG_CORE
help
Support for the watchdog in the WM831x AudioPlus PMICs. When
the watchdog triggers the system will be reset.
config WM8350_WATCHDOG
tristate "WM8350 watchdog"
depends on MFD_WM8350
select WATCHDOG_CORE
help
Support for the watchdog in the WM8350 AudioPlus PMIC. When
the watchdog triggers the system will be reset.
config XILINX_WATCHDOG
tristate "Xilinx Watchdog timer"
select WATCHDOG_CORE
help
Watchdog driver for the xps_timebase_wdt ip core.
To compile this driver as a module, choose M here: the
module will be called of_xilinx_wdt.
# ALPHA Architecture
# ARM Architecture
config ARM_SP805_WATCHDOG
tristate "ARM SP805 Watchdog"
depends on (ARM || ARM64) && ARM_AMBA
select WATCHDOG_CORE
help
ARM Primecell SP805 Watchdog timer. This will reboot your system when
the timeout is reached.
config AT91RM9200_WATCHDOG
tristate "AT91RM9200 watchdog"
depends on ARCH_AT91RM9200
help
Watchdog timer embedded into AT91RM9200 chips. This will reboot your
system when the timeout is reached.
config AT91SAM9X_WATCHDOG
tristate "AT91SAM9X / AT91CAP9 watchdog"
depends on ARCH_AT91 && !ARCH_AT91RM9200
select WATCHDOG_CORE
help
Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
reboot your system when the timeout is reached.
config 21285_WATCHDOG
tristate "DC21285 watchdog"
depends on FOOTBRIDGE
help
The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
here if you wish to use this. Alternatively say M to compile the
driver as a module, which will be called wdt285.
This driver does not work on all machines. In particular, early CATS
boards have hardware problems that will cause the machine to simply
lock up if the watchdog fires.
"If in doubt, leave it out" - say N.
config 977_WATCHDOG
tristate "NetWinder WB83C977 watchdog"
depends on FOOTBRIDGE && ARCH_NETWINDER
help
Say Y here to include support for the WB977 watchdog included in
NetWinder machines. Alternatively say M to compile the driver as
a module, which will be called wdt977.
Not sure? It's safe to say N.
config IXP4XX_WATCHDOG
tristate "IXP4xx Watchdog"
depends on ARCH_IXP4XX
help
Say Y here if to include support for the watchdog timer
in the Intel IXP4xx network processors. This driver can
be built as a module by choosing M. The module will
be called ixp4xx_wdt.
Note: The internal IXP4xx watchdog does a soft CPU reset
which doesn't reset any peripherals. There are circumstances
where the watchdog will fail to reset the board correctly
(e.g., if the boot ROM is in an unreadable state).
Say N if you are unsure.
config KS8695_WATCHDOG
tristate "KS8695 watchdog"
depends on ARCH_KS8695
help
Watchdog timer embedded into KS8695 processor. This will reboot your
system when the timeout is reached.
config HAVE_S3C2410_WATCHDOG
bool
help
This will include watchdog timer support for Samsung SoCs. If
you want to include watchdog support for any machine, kindly
select this in the respective mach-XXXX/Kconfig file.
config S3C2410_WATCHDOG
tristate "S3C2410 Watchdog"
depends on HAVE_S3C2410_WATCHDOG
select WATCHDOG_CORE
select MFD_SYSCON if ARCH_EXYNOS5
help
Watchdog timer block in the Samsung SoCs. This will reboot
the system when the timer expires with the watchdog enabled.
The driver is limited by the speed of the system's PCLK
signal, so with reasonably fast systems (PCLK around 50-66MHz)
then watchdog intervals of over approximately 20seconds are
unavailable.
The driver can be built as a module by choosing M, and will
be called s3c2410_wdt
config SA1100_WATCHDOG
tristate "SA1100/PXA2xx watchdog"
depends on ARCH_SA1100 || ARCH_PXA
help
Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
reboot your system when timeout is reached.
NOTE: once enabled, this timer cannot be disabled.
To compile this driver as a module, choose M here: the
module will be called sa1100_wdt.
config DW_WATCHDOG
tristate "Synopsys DesignWare watchdog"
depends on HAS_IOMEM
help
Say Y here if to include support for the Synopsys DesignWare
watchdog timer found in many chips.
To compile this driver as a module, choose M here: the
module will be called dw_wdt.
config EP93XX_WATCHDOG
tristate "EP93xx Watchdog"
depends on ARCH_EP93XX
select WATCHDOG_CORE
help
Say Y here if to include support for the watchdog timer
embedded in the Cirrus Logic EP93xx family of devices.
To compile this driver as a module, choose M here: the
module will be called ep93xx_wdt.
config OMAP_WATCHDOG
tristate "OMAP Watchdog"
depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
select WATCHDOG_CORE
help
Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
config PNX4008_WATCHDOG
tristate "LPC32XX Watchdog"
depends on ARCH_LPC32XX
select WATCHDOG_CORE
help
Say Y here if to include support for the watchdog timer
in the LPC32XX processor.
This driver can be built as a module by choosing M. The module
will be called pnx4008_wdt.
Say N if you are unsure.
config IOP_WATCHDOG
tristate "IOP Watchdog"
depends on ARCH_IOP13XX
select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
help
Say Y here if to include support for the watchdog timer
in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
be built as a module by choosing M. The module will
be called iop_wdt.
Note: The IOP13XX watchdog does an Internal Bus Reset which will
affect both cores and the peripherals of the IOP. The ATU-X
and/or ATUe configuration registers will remain intact, but if
operating as an Root Complex and/or Central Resource, the PCI-X
and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
config DAVINCI_WATCHDOG
tristate "DaVinci watchdog"
depends on ARCH_DAVINCI || ARCH_KEYSTONE
select WATCHDOG_CORE
help
Say Y here if to include support for the watchdog timer
in the DaVinci DM644x/DM646x or Keystone processors.
To compile this driver as a module, choose M here: the
module will be called davinci_wdt.
NOTE: once enabled, this timer cannot be disabled.
Say N if you are unsure.
config ORION_WATCHDOG
tristate "Orion watchdog"
depends on ARCH_ORION5X || ARCH_KIRKWOOD || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
select WATCHDOG_CORE
help
Say Y here if to include support for the watchdog timer
in the Marvell Orion5x and Kirkwood ARM SoCs.
To compile this driver as a module, choose M here: the
module will be called orion_wdt.
config SUNXI_WATCHDOG
tristate "Allwinner SoCs watchdog support"
depends on ARCH_SUNXI
select WATCHDOG_CORE
help
Say Y here to include support for the watchdog timer
in Allwinner SoCs.
To compile this driver as a module, choose M here: the
module will be called sunxi_wdt.
config COH901327_WATCHDOG
bool "ST-Ericsson COH 901 327 watchdog"
depends on ARCH_U300
default y if MACH_U300
select WATCHDOG_CORE
help
Say Y here to include Watchdog timer support for the
watchdog embedded into the ST-Ericsson U300 series platforms.
This watchdog is used to reset the system and thus cannot be
compiled as a module.
config TWL4030_WATCHDOG
tristate "TWL4030 Watchdog"
depends on TWL4030_CORE
select WATCHDOG_CORE
help
Support for TI TWL4030 watchdog. Say 'Y' here to enable the
watchdog timer support for TWL4030 chips.
config STMP3XXX_RTC_WATCHDOG
tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
depends on RTC_DRV_STMP
select WATCHDOG_CORE
help
Say Y here to include support for the watchdog timer inside
the RTC for the STMP37XX/378X or i.MX23/28 SoC.
To compile this driver as a module, choose M here: the
module will be called stmp3xxx_rtc_wdt.
config NUC900_WATCHDOG
tristate "Nuvoton NUC900 watchdog"
depends on ARCH_W90X900
help
Say Y here if to include support for the watchdog timer
for the Nuvoton NUC900 series SoCs.
To compile this driver as a module, choose M here: the
module will be called nuc900_wdt.
config TS72XX_WATCHDOG
tristate "TS-72XX SBC Watchdog"
depends on MACH_TS72XX
help
Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
watchdog timer implemented in a external CPLD chip. Say Y here
if you want to support for the watchdog timer on TS-72XX boards.
To compile this driver as a module, choose M here: the
module will be called ts72xx_wdt.
config MAX63XX_WATCHDOG
tristate "Max63xx watchdog"
depends on ARM && HAS_IOMEM
select WATCHDOG_CORE
help
Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
config IMX2_WDT
tristate "IMX2+ Watchdog"
depends on ARCH_MXC
select REGMAP_MMIO
select WATCHDOG_CORE
help
This is the driver for the hardware watchdog
on the Freescale IMX2 and later processors.
If you have one of these processors and wish to have
watchdog support enabled, say Y, otherwise say N.
To compile this driver as a module, choose M here: the
module will be called imx2_wdt.
config UX500_WATCHDOG
tristate "ST-Ericsson Ux500 watchdog"
depends on MFD_DB8500_PRCMU
select WATCHDOG_CORE
default y
help
Say Y here to include Watchdog timer support for the watchdog
existing in the prcmu of ST-Ericsson Ux500 series platforms.
To compile this driver as a module, choose M here: the
module will be called ux500_wdt.
config RETU_WATCHDOG
tristate "Retu watchdog"
depends on MFD_RETU
select WATCHDOG_CORE
help
Retu watchdog driver for Nokia Internet Tablets (770, N800,
N810). At least on N800 the watchdog cannot be disabled, so
this driver is essential and you should enable it.
To compile this driver as a module, choose M here: the
module will be called retu_wdt.
config MOXART_WDT
tristate "MOXART watchdog"
depends on ARCH_MOXART
help
Say Y here to include Watchdog timer support for the watchdog
existing on the MOXA ART SoC series platforms.
To compile this driver as a module, choose M here: the
module will be called moxart_wdt.
config SIRFSOC_WATCHDOG
tristate "SiRFSOC watchdog"
depends on ARCH_SIRF
select WATCHDOG_CORE
default y
help
Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
the watchdog triggers the system will be reset.
config TEGRA_WATCHDOG
tristate "Tegra watchdog"
depends on ARCH_TEGRA || COMPILE_TEST
select WATCHDOG_CORE
help
Say Y here to include support for the watchdog timer
embedded in NVIDIA Tegra SoCs.
To compile this driver as a module, choose M here: the
module will be called tegra_wdt.
# AVR32 Architecture
config AT32AP700X_WDT
tristate "AT32AP700x watchdog"
depends on CPU_AT32AP700X
help
Watchdog timer embedded into AT32AP700x devices. This will reboot
your system when the timeout is reached.
# BLACKFIN Architecture
config BFIN_WDT
tristate "Blackfin On-Chip Watchdog Timer"
depends on BLACKFIN
---help---
If you say yes here you will get support for the Blackfin On-Chip
Watchdog Timer. If you have one of these processors and wish to
have watchdog support enabled, say Y, otherwise say N.
To compile this driver as a module, choose M here: the
module will be called bfin_wdt.
# CRIS Architecture
# FRV Architecture
# X86 (i386 + ia64 + x86_64) Architecture
config ACQUIRE_WDT
tristate "Acquire SBC Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog on Single Board
Computers produced by Acquire Inc (and others). This watchdog
simply watches your kernel to make sure it doesn't freeze, and if
it does, it reboots your computer after a certain amount of time.
To compile this driver as a module, choose M here: the
module will be called acquirewdt.
Most people will say N.
config ADVANTECH_WDT
tristate "Advantech SBC Watchdog Timer"
depends on X86
help
If you are configuring a Linux kernel for the Advantech single-board
computer, say `Y' here to support its built-in watchdog timer
feature. More information can be found at
<http://www.advantech.com.tw/products/>
config ALIM1535_WDT
tristate "ALi M1535 PMU Watchdog Timer"
depends on X86 && PCI
---help---
This is the driver for the hardware watchdog on the ALi M1535 PMU.
To compile this driver as a module, choose M here: the
module will be called alim1535_wdt.
Most people will say N.
config ALIM7101_WDT
tristate "ALi M7101 PMU Computer Watchdog"
depends on PCI
help
This is the driver for the hardware watchdog on the ALi M7101 PMU
as used in the x86 Cobalt servers and also found in some
SPARC Netra servers too.
To compile this driver as a module, choose M here: the
module will be called alim7101_wdt.
Most people will say N.
config F71808E_WDT
tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
depends on X86
help
This is the driver for the hardware watchdog on the Fintek
F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
You can compile this driver directly into the kernel, or use
it as a module. The module will be called f71808e_wdt.
config SP5100_TCO
tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
depends on X86 && PCI
---help---
Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
(Total Cost of Ownership) timer is a watchdog timer that will reboot
the machine after its expiration. The expiration time can be
configured with the "heartbeat" parameter.
To compile this driver as a module, choose M here: the
module will be called sp5100_tco.
config GEODE_WDT
tristate "AMD Geode CS5535/CS5536 Watchdog"
depends on CS5535_MFGPT
help
This driver enables a watchdog capability built into the
CS5535/CS5536 companion chips for the AMD Geode GX and LX
processors. This watchdog watches your kernel to make sure
it doesn't freeze, and if it does, it reboots your computer after
a certain amount of time.
You can compile this driver directly into the kernel, or use
it as a module. The module will be called geodewdt.
config SC520_WDT
tristate "AMD Elan SC520 processor Watchdog"
depends on MELAN
help
This is the driver for the hardware watchdog built in to the
AMD "Elan" SC520 microcomputer commonly used in embedded systems.
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
You can compile this driver directly into the kernel, or use
it as a module. The module will be called sc520_wdt.
config SBC_FITPC2_WATCHDOG
tristate "Compulab SBC-FITPC2 watchdog"
depends on X86
---help---
This is the driver for the built-in watchdog timer on the fit-PC2,
fit-PC2i, CM-iAM single-board computers made by Compulab.
It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
Entering BIOS setup temporary disables watchdog operation regardless to current state,
so system will not be restarted while user in BIOS setup.
Once watchdog was enabled the system will be restarted every
"Watchdog Timer Value" period, so to prevent it user can restart or
disable the watchdog.
To compile this driver as a module, choose M here: the
module will be called sbc_fitpc2_wdt.
Most people will say N.
config EUROTECH_WDT
tristate "Eurotech CPU-1220/1410 Watchdog Timer"
depends on X86
help
Enable support for the watchdog timer on the Eurotech CPU-1220 and
CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
information are at <http://www.eurotech.it/>.
config IB700_WDT
tristate "IB700 SBC Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog on the IB700 Single
Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
simply watches your kernel to make sure it doesn't freeze, and if
it does, it reboots your computer after a certain amount of time.
This driver is like the WDT501 driver but for slightly different hardware.
To compile this driver as a module, choose M here: the
module will be called ib700wdt.
Most people will say N.
config IBMASR
tristate "IBM Automatic Server Restart"
depends on X86
help
This is the driver for the IBM Automatic Server Restart watchdog
timer built-in into some eServer xSeries machines.
To compile this driver as a module, choose M here: the
module will be called ibmasr.
config WAFER_WDT
tristate "ICP Single Board Computer Watchdog Timer"
depends on X86
help
This is a driver for the hardware watchdog on the ICP Single
Board Computer. This driver is working on (at least) the following
IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
To compile this driver as a module, choose M here: the
module will be called wafer5823wdt.
config I6300ESB_WDT
tristate "Intel 6300ESB Timer/Watchdog"
depends on PCI
---help---
Hardware driver for the watchdog timer built into the Intel
6300ESB controller hub.
To compile this driver as a module, choose M here: the
module will be called i6300esb.
config IE6XX_WDT
tristate "Intel Atom E6xx Watchdog"
depends on X86 && PCI
select WATCHDOG_CORE
select MFD_CORE
select LPC_SCH
---help---
Hardware driver for the watchdog timer built into the Intel
Atom E6XX (TunnelCreek) processor.
To compile this driver as a module, choose M here: the
module will be called ie6xx_wdt.
config INTEL_SCU_WATCHDOG
bool "Intel SCU Watchdog for Mobile Platforms"
depends on X86_INTEL_MID
---help---
Hardware driver for the watchdog time built into the Intel SCU
for Intel Mobile Platforms.
To compile this driver as a module, choose M here.
config INTEL_MID_WATCHDOG
tristate "Intel MID Watchdog Timer"
depends on X86_INTEL_MID
select WATCHDOG_CORE
---help---
Watchdog timer driver built into the Intel SCU for Intel MID
Platforms.
This driver currently supports only the watchdog evolution
implementation in SCU, available for Merrifield generation.
To compile this driver as a module, choose M here.
config ITCO_WDT
tristate "Intel TCO Timer/Watchdog"
depends on (X86 || IA64) && PCI
select WATCHDOG_CORE
select LPC_ICH
---help---
Hardware driver for the intel TCO timer based watchdog devices.
These drivers are included in the Intel 82801 I/O Controller
Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
controller hub.
The TCO (Total Cost of Ownership) timer is a watchdog timer
that will reboot the machine after its second expiration. The
expiration time can be configured with the "heartbeat" parameter.
On some motherboards the driver may fail to reset the chipset's
NO_REBOOT flag which prevents the watchdog from rebooting the
machine. If this is the case you will get a kernel message like
"failed to reset NO_REBOOT flag, reboot disabled by hardware".
To compile this driver as a module, choose M here: the
module will be called iTCO_wdt.
config ITCO_VENDOR_SUPPORT
bool "Intel TCO Timer/Watchdog Specific Vendor Support"
depends on ITCO_WDT
---help---
Add vendor specific support to the intel TCO timer based watchdog
devices. At this moment we only have additional support for some
SuperMicro Inc. motherboards.
config IT8712F_WDT
tristate "IT8712F (Smart Guardian) Watchdog Timer"
depends on X86
---help---
This is the driver for the built-in watchdog timer on the IT8712F
Super I/0 chipset used on many motherboards.
If the driver does not work, then make sure that the game port in
the BIOS is enabled.
To compile this driver as a module, choose M here: the
module will be called it8712f_wdt.
config IT87_WDT
tristate "IT87 Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog on the ITE IT8702,
IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
Super I/O chips.
If the driver does not work, then make sure that the game port in
the BIOS is enabled.
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
To compile this driver as a module, choose M here: the module will
be called it87_wdt.
config HP_WATCHDOG
tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
depends on X86 && PCI
help
A software monitoring watchdog and NMI sourcing driver. This driver
will detect lockups and provide a stack trace. This is a driver that
will only load on an HP ProLiant system with a minimum of iLO2 support.
To compile this driver as a module, choose M here: the module will be
called hpwdt.
config KEMPLD_WDT
tristate "Kontron COM Watchdog Timer"
depends on MFD_KEMPLD
select WATCHDOG_CORE
help
Support for the PLD watchdog on some Kontron ETX and COMexpress
(ETXexpress) modules
This driver can also be built as a module. If so, the module will be
called kempld_wdt.
config HPWDT_NMI_DECODING
bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
depends on HP_WATCHDOG
default y
help
When an NMI occurs this feature will make the necessary BIOS calls to
log the cause of the NMI.
config SC1200_WDT
tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
depends on X86
help
This is a driver for National Semiconductor PC87307/PC97307 hardware
watchdog cards as found on the SC1200. This watchdog is mainly used
for power management purposes and can be used to power down the device
during inactivity periods (includes interrupt activity monitoring).
To compile this driver as a module, choose M here: the
module will be called sc1200wdt.
Most people will say N.
config SCx200_WDT
tristate "National Semiconductor SCx200 Watchdog"
depends on SCx200 && PCI
help
Enable the built-in watchdog timer support on the National
Semiconductor SCx200 processors.
If compiled as a module, it will be called scx200_wdt.
config PC87413_WDT
tristate "NS PC87413 watchdog"
depends on X86
---help---
This is the driver for the hardware watchdog on the PC87413 chipset
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
To compile this driver as a module, choose M here: the
module will be called pc87413_wdt.
Most people will say N.
config NV_TCO
tristate "nVidia TCO Timer/Watchdog"
depends on X86 && PCI
---help---
Hardware driver for the TCO timer built into the nVidia Hub family
(such as the MCP51). The TCO (Total Cost of Ownership) timer is a
watchdog timer that will reboot the machine after its second
expiration. The expiration time can be configured with the
"heartbeat" parameter.
On some motherboards the driver may fail to reset the chipset's
NO_REBOOT flag which prevents the watchdog from rebooting the
machine. If this is the case you will get a kernel message like
"failed to reset NO_REBOOT flag, reboot disabled by hardware".
To compile this driver as a module, choose M here: the
module will be called nv_tco.
config RDC321X_WDT
tristate "RDC R-321x SoC watchdog"
depends on X86_RDC321X
help
This is the driver for the built in hardware watchdog
in the RDC R-321x SoC.
To compile this driver as a module, choose M here: the
module will be called rdc321x_wdt.
config 60XX_WDT
tristate "SBC-60XX Watchdog Timer"
depends on X86
help
This driver can be used with the watchdog timer found on some
single board computers, namely the 6010 PII based computer.
It may well work with other cards. It reads port 0x443 to enable
and re-set the watchdog timer, and reads port 0x45 to disable
the watchdog. If you have a card that behave in similar ways,
you can probably make this driver work with your card as well.
You can compile this driver directly into the kernel, or use
it as a module. The module will be called sbc60xxwdt.
config SBC8360_WDT
tristate "SBC8360 Watchdog Timer"
depends on X86_32
---help---
This is the driver for the hardware watchdog on the SBC8360 Single
Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
To compile this driver as a module, choose M here: the
module will be called sbc8360.
Most people will say N.
config SBC7240_WDT
tristate "SBC Nano 7240 Watchdog Timer"
depends on X86_32 && !UML
---help---
This is the driver for the hardware watchdog found on the IEI
single board computers EPIC Nano 7240 (and likely others). This
watchdog simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time.
To compile this driver as a module, choose M here: the
module will be called sbc7240_wdt.
config CPU5_WDT
tristate "SMA CPU5 Watchdog"
depends on X86
---help---
TBD.
To compile this driver as a module, choose M here: the
module will be called cpu5wdt.
config SMSC_SCH311X_WDT
tristate "SMSC SCH311X Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog timer on the
SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
(LPC IO with 8042 KBC, Reset Generation, HWM and multiple
serial ports).
To compile this driver as a module, choose M here: the
module will be called sch311x_wdt.
config SMSC37B787_WDT
tristate "Winbond SMsC37B787 Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog component on the
Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
from Vision Systems and maybe others.
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
Usually a userspace daemon will notify the kernel WDT driver that
userspace is still alive, at regular intervals.
To compile this driver as a module, choose M here: the
module will be called smsc37b787_wdt.
Most people will say N.
config VIA_WDT
tristate "VIA Watchdog Timer"
depends on X86 && PCI
select WATCHDOG_CORE
---help---
This is the driver for the hardware watchdog timer on VIA
southbridge chipset CX700, VX800/VX820 or VX855/VX875.
To compile this driver as a module, choose M here; the module
will be called via_wdt.
Most people will say N.
config W83627HF_WDT
tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
depends on X86
select WATCHDOG_CORE
---help---
This is the driver for the hardware watchdog on the following
Super I/O chips.
W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
W83637HF
W83667HG/HG-B
W83687THF
W83697HF
W83697UG
NCT6775
NCT6776
NCT6779
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
To compile this driver as a module, choose M here: the
module will be called w83627hf_wdt.
Most people will say N.
config W83877F_WDT
tristate "W83877F (EMACS) Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog on the W83877F chipset
as used in EMACS PC-104 motherboards (and likely others). This
watchdog simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time.
To compile this driver as a module, choose M here: the
module will be called w83877f_wdt.
Most people will say N.
config W83977F_WDT
tristate "W83977F (PCM-5335) Watchdog Timer"
depends on X86
---help---
This is the driver for the hardware watchdog on the W83977F I/O chip
as used in AAEON's PCM-5335 SBC (and likely others). This
watchdog simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time.
To compile this driver as a module, choose M here: the
module will be called w83977f_wdt.
config MACHZ_WDT
tristate "ZF MachZ Watchdog"
depends on X86
---help---
If you are using a ZF Micro MachZ processor, say Y here, otherwise
N. This is the driver for the watchdog timer built-in on that
processor using ZF-Logic interface. This watchdog simply watches
your kernel to make sure it doesn't freeze, and if it does, it
reboots your computer after a certain amount of time.
To compile this driver as a module, choose M here: the
module will be called machzwd.
config SBC_EPX_C3_WATCHDOG
tristate "Winsystems SBC EPX-C3 watchdog"
depends on X86
---help---
This is the driver for the built-in watchdog timer on the EPX-C3
Single-board computer made by Winsystems, Inc.
*Note*: This hardware watchdog is not probeable and thus there
is no way to know if writing to its IO address will corrupt
your system or have any real effect. The only way to be sure
that this driver does what you want is to make sure you
are running it on an EPX-C3 from Winsystems with the watchdog
timer at IO address 0x1ee and 0x1ef. It will write to both those
IO ports. Basically, the assumption is made that if you compile
this driver into your kernel and/or load it as a module, that you
know what you are doing and that you are in fact running on an
EPX-C3 board!
To compile this driver as a module, choose M here: the
module will be called sbc_epx_c3.
# M32R Architecture
# M68K Architecture
config M54xx_WATCHDOG
tristate "MCF54xx watchdog support"
depends on M548x
help
To compile this driver as a module, choose M here: the
module will be called m54xx_wdt.
# MicroBlaze Architecture
# MIPS Architecture
config ATH79_WDT
tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
depends on ATH79
help
Hardware driver for the built-in watchdog timer on the Atheros
AR71XX/AR724X/AR913X SoCs.
config BCM47XX_WDT
tristate "Broadcom BCM47xx Watchdog Timer"
depends on BCM47XX
select WATCHDOG_CORE
help
Hardware driver for the Broadcom BCM47xx Watchdog Timer.
config RC32434_WDT
tristate "IDT RC32434 SoC Watchdog Timer"
depends on MIKROTIK_RB532
help
Hardware driver for the IDT RC32434 SoC built-in
watchdog timer.
To compile this driver as a module, choose M here: the
module will be called rc32434_wdt.
config INDYDOG
tristate "Indy/I2 Hardware Watchdog"
depends on SGI_HAS_INDYDOG
help
Hardware driver for the Indy's/I2's watchdog. This is a
watchdog timer that will reboot the machine after a 60 second
timer expired and no process has written to /dev/watchdog during
that time.
config JZ4740_WDT
tristate "Ingenic jz4740 SoC hardware watchdog"
depends on MACH_JZ4740
select WATCHDOG_CORE
help
Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
config WDT_MTX1
tristate "MTX-1 Hardware Watchdog"
depends on MIPS_MTX1
help
Hardware driver for the MTX-1 boards. This is a watchdog timer that
will reboot the machine after a 100 seconds timer expired.
config PNX833X_WDT
tristate "PNX833x Hardware Watchdog"
depends on SOC_PNX8335
help
Hardware driver for the PNX833x's watchdog. This is a
watchdog timer that will reboot the machine after a programmable
timer has expired and no process has written to /dev/watchdog during
that time.
config SIBYTE_WDOG
tristate "Sibyte SoC hardware watchdog"
depends on CPU_SB1
help
Watchdog driver for the built in watchdog hardware in Sibyte
SoC processors. There are apparently two watchdog timers
on such processors; this driver supports only the first one,
because currently Linux only supports exporting one watchdog
to userspace.
To compile this driver as a loadable module, choose M here.
The module will be called sb_wdog.
config AR7_WDT
tristate "TI AR7 Watchdog Timer"
depends on AR7
help
Hardware driver for the TI AR7 Watchdog Timer.
config TXX9_WDT
tristate "Toshiba TXx9 Watchdog Timer"
depends on CPU_TX39XX || CPU_TX49XX
select WATCHDOG_CORE
help
Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
config OCTEON_WDT
tristate "Cavium OCTEON SOC family Watchdog Timer"
depends on CAVIUM_OCTEON_SOC
default y
select EXPORT_UASM if OCTEON_WDT = m
help
Hardware driver for OCTEON's on chip watchdog timer.
Enables the watchdog for all cores running Linux. It
installs a NMI handler and pokes the watchdog based on an
interrupt. On first expiration of the watchdog, the
interrupt handler pokes it. The second expiration causes an
NMI that prints a message. The third expiration causes a
global soft reset.
When userspace has /dev/watchdog open, no poking is done
from the first interrupt, it is then only poked when the
device is written.
config BCM63XX_WDT
tristate "Broadcom BCM63xx hardware watchdog"
depends on BCM63XX
help
Watchdog driver for the built in watchdog hardware in Broadcom
BCM63xx SoC.
To compile this driver as a loadable module, choose M here.
The module will be called bcm63xx_wdt.
config BCM2835_WDT
tristate "Broadcom BCM2835 hardware watchdog"
depends on ARCH_BCM2835
select WATCHDOG_CORE
help
Watchdog driver for the built in watchdog hardware in Broadcom
BCM2835 SoC.
To compile this driver as a loadable module, choose M here.
The module will be called bcm2835_wdt.
config BCM_KONA_WDT
tristate "BCM Kona Watchdog"
depends on ARCH_BCM_MOBILE
select WATCHDOG_CORE
help
Support for the watchdog timer on the following Broadcom BCM281xx
family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
BCM28155 variants.
Say 'Y' or 'M' here to enable the driver. The module will be called
bcm_kona_wdt.
config BCM_KONA_WDT_DEBUG
bool "DEBUGFS support for BCM Kona Watchdog"
depends on BCM_KONA_WDT
help
If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
access to the driver's internal data structures as well as watchdog
timer hardware registres.
If in doubt, say 'N'.
config LANTIQ_WDT
tristate "Lantiq SoC watchdog"
depends on LANTIQ
help
Hardware driver for the Lantiq SoC Watchdog Timer.
config RALINK_WDT
tristate "Ralink SoC watchdog"
select WATCHDOG_CORE
depends on RALINK
help
Hardware driver for the Ralink SoC Watchdog Timer.
# PARISC Architecture
# POWERPC Architecture
config GEF_WDT
tristate "GE Watchdog Timer"
depends on GE_FPGA
---help---
Watchdog timer found in a number of GE single board computers.
config MPC5200_WDT
bool "MPC52xx Watchdog Timer"
depends on PPC_MPC52xx
help
Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
config 8xxx_WDT
tristate "MPC8xxx Platform Watchdog Timer"
depends on PPC_8xx || PPC_83xx || PPC_86xx
select WATCHDOG_CORE
help
This driver is for a SoC level watchdog that exists on some
Freescale PowerPC processors. So far this driver supports:
- MPC8xx watchdogs
- MPC83xx watchdogs
- MPC86xx watchdogs
For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
config MV64X60_WDT
tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
depends on MV64X60
config PIKA_WDT
tristate "PIKA FPGA Watchdog"
depends on WARP
default y
help
This enables the watchdog in the PIKA FPGA. Currently used on
the Warp platform.
config BOOKE_WDT
tristate "PowerPC Book-E Watchdog Timer"
depends on BOOKE || 4xx
select WATCHDOG_CORE
---help---
Watchdog driver for PowerPC Book-E chips, such as the Freescale
MPC85xx SOCs and the IBM PowerPC 440.
Please see Documentation/watchdog/watchdog-api.txt for
more information.
config BOOKE_WDT_DEFAULT_TIMEOUT
int "PowerPC Book-E Watchdog Timer Default Timeout"
depends on BOOKE_WDT
default 38 if PPC_FSL_BOOK3E
range 0 63 if PPC_FSL_BOOK3E
default 3 if !PPC_FSL_BOOK3E
range 0 3 if !PPC_FSL_BOOK3E
help
Select the default watchdog timer period to be used by the PowerPC
Book-E watchdog driver. A watchdog "event" occurs when the bit
position represented by this number transitions from zero to one.
For Freescale Book-E processors, this is a number between 0 and 63.
For other Book-E processors, this is a number between 0 and 3.
The value can be overridden by the wdt_period command-line parameter.
config MEN_A21_WDT
tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
select WATCHDOG_CORE
depends on GPIOLIB
help
Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
The driver can also be built as a module. If so, the module will be
called mena21_wdt.
If unsure select N here.
# PPC64 Architecture
config WATCHDOG_RTAS
tristate "RTAS watchdog"
depends on PPC_RTAS
help
This driver adds watchdog support for the RTAS watchdog.
To compile this driver as a module, choose M here. The module
will be called wdrtas.
# S390 Architecture
config DIAG288_WATCHDOG
tristate "System z diag288 Watchdog"
depends on S390
select WATCHDOG_CORE
help
IBM s/390 and zSeries machines running under z/VM 5.1 or later
provide a virtual watchdog timer to their guest that cause a
user define Control Program command to be executed after a
timeout.
LPAR provides a very similar interface. This driver handles
both.
To compile this driver as a module, choose M here. The module
will be called vmwatchdog.
# SUPERH (sh + sh64) Architecture
config SH_WDT
tristate "SuperH Watchdog"
depends on SUPERH && (CPU_SH3 || CPU_SH4)
select WATCHDOG_CORE
help
This driver adds watchdog support for the integrated watchdog in the
SuperH processors. If you have one of these processors and wish
to have watchdog support enabled, say Y, otherwise say N.
As a side note, saying Y here will automatically boost HZ to 1000
so that the timer has a chance to clear the overflow counter. On
slower systems (such as the SH-2 and SH-3) this will likely yield
some performance issues. As such, the WDT should be avoided here
unless it is absolutely necessary.
To compile this driver as a module, choose M here: the
module will be called shwdt.
# SPARC Architecture
# SPARC64 Architecture
config WATCHDOG_CP1XXX
tristate "CP1XXX Hardware Watchdog support"
depends on SPARC64 && PCI
---help---
This is the driver for the hardware watchdog timers present on
Sun Microsystems CompactPCI models CP1400 and CP1500.
To compile this driver as a module, choose M here: the
module will be called cpwatchdog.
If you do not have a CompactPCI model CP1400 or CP1500, or
another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
you should say N to this option.
config WATCHDOG_RIO
tristate "RIO Hardware Watchdog support"
depends on SPARC64 && PCI
help
Say Y here to support the hardware watchdog capability on Sun RIO
machines. The watchdog timeout period is normally one minute but
can be changed with a boot-time parameter.
# XTENSA Architecture
# Xen Architecture
config XEN_WDT
tristate "Xen Watchdog support"
depends on XEN
help
Say Y here to support the hypervisor watchdog capability provided
by Xen 4.0 and newer. The watchdog timeout period is normally one
minute but can be changed with a boot-time parameter.
config UML_WATCHDOG
tristate "UML watchdog"
depends on UML
#
# ISA-based Watchdog Cards
#
comment "ISA-based Watchdog Cards"
depends on ISA
config PCWATCHDOG
tristate "Berkshire Products ISA-PC Watchdog"
depends on ISA
---help---
This is the driver for the Berkshire Products ISA-PC Watchdog card.
This card simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time. This driver is like the WDT501 driver but for different
hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
watchdog cards can be ordered from <http://www.berkprod.com/>.
To compile this driver as a module, choose M here: the
module will be called pcwd.
Most people will say N.
config MIXCOMWD
tristate "Mixcom Watchdog"
depends on ISA
---help---
This is a driver for the Mixcom hardware watchdog cards. This
watchdog simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time.
To compile this driver as a module, choose M here: the
module will be called mixcomwd.
Most people will say N.
config WDT
tristate "WDT Watchdog timer"
depends on ISA
---help---
If you have a WDT500P or WDT501P watchdog board, say Y here,
otherwise N. It is not possible to probe for this board, which means
that you have to inform the kernel about the IO port and IRQ that
is needed (you can do this via the io and irq parameters)
To compile this driver as a module, choose M here: the
module will be called wdt.
#
# PCI-based Watchdog Cards
#
comment "PCI-based Watchdog Cards"
depends on PCI
config PCIPCWATCHDOG
tristate "Berkshire Products PCI-PC Watchdog"
depends on PCI
---help---
This is the driver for the Berkshire Products PCI-PC Watchdog card.
This card simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time. The card can also monitor the internal temperature of the PC.
More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
To compile this driver as a module, choose M here: the
module will be called pcwd_pci.
Most people will say N.
config WDTPCI
tristate "PCI-WDT500/501 Watchdog timer"
depends on PCI
---help---
If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
If you have a PCI-WDT501 watchdog board then you can enable the
temperature sensor by setting the type parameter to 501.
If you want to enable the Fan Tachometer on the PCI-WDT501, then you
can do this via the tachometer parameter. Only do this if you have a
fan tachometer actually set up.
To compile this driver as a module, choose M here: the
module will be called wdt_pci.
#
# USB-based Watchdog Cards
#
comment "USB-based Watchdog Cards"
depends on USB
config USBPCWATCHDOG
tristate "Berkshire Products USB-PC Watchdog"
depends on USB
---help---
This is the driver for the Berkshire Products USB-PC Watchdog card.
This card simply watches your kernel to make sure it doesn't freeze,
and if it does, it reboots your computer after a certain amount of
time. The card can also monitor the internal temperature of the PC.
More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
To compile this driver as a module, choose M here: the
module will be called pcwd_usb.
Most people will say N.
endif # WATCHDOG
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