853807fb50
Watchdog driver for the Atmel AT91RM9200 processor. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@osdl.org>
669 lines
22 KiB
Text
669 lines
22 KiB
Text
#
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# Watchdog device configuration
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#
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menu "Watchdog Cards"
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config WATCHDOG
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bool "Watchdog Timer Support"
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---help---
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If you say Y here (and to one of the following options) and create a
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character special file /dev/watchdog with major number 10 and minor
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number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
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subsequently opening the file and then failing to write to it for
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longer than 1 minute will result in rebooting the machine. This
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could be useful for a networked machine that needs to come back
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online as fast as possible after a lock-up. There's both a watchdog
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implementation entirely in software (which can sometimes fail to
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reboot the machine) and a driver for hardware watchdog boards, which
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are more robust and can also keep track of the temperature inside
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your computer. For details, read <file:Documentation/watchdog/watchdog.txt>
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in the kernel source.
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The watchdog is usually used together with the watchdog daemon
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which is available from
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<ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
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also monitor NFS connections and can reboot the machine when the process
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table is full.
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If unsure, say N.
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config WATCHDOG_NOWAYOUT
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bool "Disable watchdog shutdown on close"
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depends on WATCHDOG
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help
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The default watchdog behaviour (which you get if you say N here) is
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to stop the timer if the process managing it closes the file
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/dev/watchdog. It's always remotely possible that this process might
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get killed. If you say Y here, the watchdog cannot be stopped once
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it has been started.
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#
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# General Watchdog drivers
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#
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comment "Watchdog Device Drivers"
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depends on WATCHDOG
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# Architecture Independant
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config SOFT_WATCHDOG
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tristate "Software watchdog"
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depends on WATCHDOG
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help
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A software monitoring watchdog. This will fail to reboot your system
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from some situations that the hardware watchdog will recover
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from. Equally it's a lot cheaper to install.
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To compile this driver as a module, choose M here: the
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module will be called softdog.
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# ARM Architecture
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config AT91_WATCHDOG
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tristate "AT91RM9200 watchdog"
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depends on WATCHDOG && ARCH_AT91RM9200
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help
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Watchdog timer embedded into AT91RM9200 chips. This will reboot your
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system when the timeout is reached.
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config 21285_WATCHDOG
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tristate "DC21285 watchdog"
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depends on WATCHDOG && FOOTBRIDGE
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help
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The Intel Footbridge chip contains a builtin watchdog circuit. Say Y
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here if you wish to use this. Alternatively say M to compile the
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driver as a module, which will be called wdt285.
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This driver does not work on all machines. In particular, early CATS
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boards have hardware problems that will cause the machine to simply
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lock up if the watchdog fires.
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"If in doubt, leave it out" - say N.
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config 977_WATCHDOG
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tristate "NetWinder WB83C977 watchdog"
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depends on WATCHDOG && FOOTBRIDGE && ARCH_NETWINDER
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help
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Say Y here to include support for the WB977 watchdog included in
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NetWinder machines. Alternatively say M to compile the driver as
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a module, which will be called wdt977.
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Not sure? It's safe to say N.
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config IXP2000_WATCHDOG
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tristate "IXP2000 Watchdog"
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depends on WATCHDOG && ARCH_IXP2000
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help
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Say Y here if to include support for the watchdog timer
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in the Intel IXP2000(2400, 2800, 2850) network processors.
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This driver can be built as a module by choosing M. The module
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will be called ixp2000_wdt.
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Say N if you are unsure.
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config IXP4XX_WATCHDOG
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tristate "IXP4xx Watchdog"
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depends on WATCHDOG && ARCH_IXP4XX
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help
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Say Y here if to include support for the watchdog timer
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in the Intel IXP4xx network processors. This driver can
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be built as a module by choosing M. The module will
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be called ixp4xx_wdt.
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Note: The internal IXP4xx watchdog does a soft CPU reset
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which doesn't reset any peripherals. There are circumstances
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where the watchdog will fail to reset the board correctly
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(e.g., if the boot ROM is in an unreadable state).
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Say N if you are unsure.
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config S3C2410_WATCHDOG
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tristate "S3C2410 Watchdog"
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depends on WATCHDOG && ARCH_S3C2410
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help
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Watchdog timer block in the Samsung S3C2410 chips. This will
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reboot the system when the timer expires with the watchdog
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enabled.
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The driver is limited by the speed of the system's PCLK
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signal, so with reasonbaly fast systems (PCLK around 50-66MHz)
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then watchdog intervals of over approximately 20seconds are
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unavailable.
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The driver can be built as a module by choosing M, and will
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be called s3c2410_wdt
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config SA1100_WATCHDOG
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tristate "SA1100/PXA2xx watchdog"
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depends on WATCHDOG && ( ARCH_SA1100 || ARCH_PXA )
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help
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Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
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reboot your system when timeout is reached.
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NOTE: once enabled, this timer cannot be disabled.
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To compile this driver as a module, choose M here: the
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module will be called sa1100_wdt.
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config MPCORE_WATCHDOG
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tristate "MPcore watchdog"
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depends on WATCHDOG && ARM_MPCORE_PLATFORM && LOCAL_TIMERS
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help
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Watchdog timer embedded into the MPcore system.
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To compile this driver as a module, choose M here: the
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module will be called mpcore_wdt.
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config EP93XX_WATCHDOG
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tristate "EP93xx Watchdog"
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depends on WATCHDOG && ARCH_EP93XX
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help
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Say Y here if to include support for the watchdog timer
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embedded in the Cirrus Logic EP93xx family of devices.
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To compile this driver as a module, choose M here: the
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module will be called ep93xx_wdt.
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# X86 (i386 + ia64 + x86_64) Architecture
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config ACQUIRE_WDT
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tristate "Acquire SBC Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on Single Board
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Computers produced by Acquire Inc (and others). This watchdog
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simply watches your kernel to make sure it doesn't freeze, and if
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it does, it reboots your computer after a certain amount of time.
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To compile this driver as a module, choose M here: the
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module will be called acquirewdt.
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Most people will say N.
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config ADVANTECH_WDT
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tristate "Advantech SBC Watchdog Timer"
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depends on WATCHDOG && X86
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help
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If you are configuring a Linux kernel for the Advantech single-board
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computer, say `Y' here to support its built-in watchdog timer
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feature. More information can be found at
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<http://www.advantech.com.tw/products/>
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config ALIM1535_WDT
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tristate "ALi M1535 PMU Watchdog Timer"
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depends on WATCHDOG && X86 && PCI
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---help---
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This is the driver for the hardware watchdog on the ALi M1535 PMU.
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To compile this driver as a module, choose M here: the
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module will be called alim1535_wdt.
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Most people will say N.
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config ALIM7101_WDT
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tristate "ALi M7101 PMU Computer Watchdog"
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depends on WATCHDOG && X86 && PCI
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help
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This is the driver for the hardware watchdog on the ALi M7101 PMU
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as used in the x86 Cobalt servers.
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To compile this driver as a module, choose M here: the
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module will be called alim7101_wdt.
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Most people will say N.
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config SC520_WDT
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tristate "AMD Elan SC520 processor Watchdog"
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depends on WATCHDOG && X86
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help
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This is the driver for the hardware watchdog built in to the
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AMD "Elan" SC520 microcomputer commonly used in embedded systems.
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This watchdog simply watches your kernel to make sure it doesn't
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freeze, and if it does, it reboots your computer after a certain
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amount of time.
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You can compile this driver directly into the kernel, or use
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it as a module. The module will be called sc520_wdt.
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config EUROTECH_WDT
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tristate "Eurotech CPU-1220/1410 Watchdog Timer"
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depends on WATCHDOG && X86
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help
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Enable support for the watchdog timer on the Eurotech CPU-1220 and
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CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
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information are at <http://www.eurotech.it/>.
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config IB700_WDT
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tristate "IB700 SBC Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on the IB700 Single
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Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
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simply watches your kernel to make sure it doesn't freeze, and if
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it does, it reboots your computer after a certain amount of time.
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This driver is like the WDT501 driver but for slightly different hardware.
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To compile this driver as a module, choose M here: the
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module will be called ib700wdt.
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Most people will say N.
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config IBMASR
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tristate "IBM Automatic Server Restart"
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depends on WATCHDOG && X86
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help
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This is the driver for the IBM Automatic Server Restart watchdog
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timer builtin into some eServer xSeries machines.
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To compile this driver as a module, choose M here: the
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module will be called ibmasr.
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config WAFER_WDT
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tristate "ICP Wafer 5823 Single Board Computer Watchdog"
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depends on WATCHDOG && X86
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help
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This is a driver for the hardware watchdog on the ICP Wafer 5823
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Single Board Computer (and probably other similar models).
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To compile this driver as a module, choose M here: the
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module will be called wafer5823wdt.
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config I6300ESB_WDT
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tristate "Intel 6300ESB Timer/Watchdog"
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depends on WATCHDOG && X86 && PCI
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---help---
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Hardware driver for the watchdog timer built into the Intel
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6300ESB controller hub.
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To compile this driver as a module, choose M here: the
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module will be called i6300esb.
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config I8XX_TCO
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tristate "Intel i8xx TCO Timer/Watchdog"
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depends on WATCHDOG && (X86 || IA64) && PCI
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---help---
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Hardware driver for the TCO timer built into the Intel 82801
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I/O Controller Hub family. The TCO (Total Cost of Ownership)
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timer is a watchdog timer that will reboot the machine after
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its second expiration. The expiration time can be configured
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with the "heartbeat" parameter.
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On some motherboards the driver may fail to reset the chipset's
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NO_REBOOT flag which prevents the watchdog from rebooting the
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machine. If this is the case you will get a kernel message like
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"failed to reset NO_REBOOT flag, reboot disabled by hardware".
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To compile this driver as a module, choose M here: the
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module will be called i8xx_tco.
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config SC1200_WDT
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tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
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depends on WATCHDOG && X86
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help
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This is a driver for National Semiconductor PC87307/PC97307 hardware
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watchdog cards as found on the SC1200. This watchdog is mainly used
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for power management purposes and can be used to power down the device
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during inactivity periods (includes interrupt activity monitoring).
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To compile this driver as a module, choose M here: the
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module will be called sc1200wdt.
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Most people will say N.
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config SCx200_WDT
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tristate "National Semiconductor SCx200 Watchdog"
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depends on WATCHDOG && SCx200 && PCI
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help
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Enable the built-in watchdog timer support on the National
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Semiconductor SCx200 processors.
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If compiled as a module, it will be called scx200_wdt.
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config 60XX_WDT
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tristate "SBC-60XX Watchdog Timer"
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depends on WATCHDOG && X86
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help
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This driver can be used with the watchdog timer found on some
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single board computers, namely the 6010 PII based computer.
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It may well work with other cards. It reads port 0x443 to enable
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and re-set the watchdog timer, and reads port 0x45 to disable
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the watchdog. If you have a card that behave in similar ways,
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you can probably make this driver work with your card as well.
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You can compile this driver directly into the kernel, or use
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it as a module. The module will be called sbc60xxwdt.
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config SBC8360_WDT
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tristate "SBC8360 Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on the SBC8360 Single
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Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
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To compile this driver as a module, choose M here: the
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module will be called sbc8360.ko.
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Most people will say N.
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config CPU5_WDT
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tristate "SMA CPU5 Watchdog"
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depends on WATCHDOG && X86
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---help---
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TBD.
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To compile this driver as a module, choose M here: the
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module will be called cpu5wdt.
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config W83627HF_WDT
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tristate "W83627HF Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on the W83627HF chipset
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as used in Advantech PC-9578 and Tyan S2721-533 motherboards
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(and likely others). This watchdog simply watches your kernel to
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make sure it doesn't freeze, and if it does, it reboots your computer
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after a certain amount of time.
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To compile this driver as a module, choose M here: the
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module will be called w83627hf_wdt.
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Most people will say N.
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config W83877F_WDT
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tristate "W83877F (EMACS) Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on the W83877F chipset
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as used in EMACS PC-104 motherboards (and likely others). This
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watchdog simply watches your kernel to make sure it doesn't freeze,
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and if it does, it reboots your computer after a certain amount of
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time.
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To compile this driver as a module, choose M here: the
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module will be called w83877f_wdt.
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Most people will say N.
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config W83977F_WDT
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tristate "W83977F (PCM-5335) Watchdog Timer"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the hardware watchdog on the W83977F I/O chip
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as used in AAEON's PCM-5335 SBC (and likely others). This
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watchdog simply watches your kernel to make sure it doesn't freeze,
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and if it does, it reboots your computer after a certain amount of
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time.
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To compile this driver as a module, choose M here: the
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module will be called w83977f_wdt.
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config MACHZ_WDT
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tristate "ZF MachZ Watchdog"
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depends on WATCHDOG && X86
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---help---
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If you are using a ZF Micro MachZ processor, say Y here, otherwise
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N. This is the driver for the watchdog timer builtin on that
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processor using ZF-Logic interface. This watchdog simply watches
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your kernel to make sure it doesn't freeze, and if it does, it
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reboots your computer after a certain amount of time.
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To compile this driver as a module, choose M here: the
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module will be called machzwd.
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config SBC_EPX_C3_WATCHDOG
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tristate "Winsystems SBC EPX-C3 watchdog"
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depends on WATCHDOG && X86
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---help---
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This is the driver for the built-in watchdog timer on the EPX-C3
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Single-board computer made by Winsystems, Inc.
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*Note*: This hardware watchdog is not probeable and thus there
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is no way to know if writing to its IO address will corrupt
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your system or have any real effect. The only way to be sure
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that this driver does what you want is to make sure you
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are runnning it on an EPX-C3 from Winsystems with the watchdog
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timer at IO address 0x1ee and 0x1ef. It will write to both those
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IO ports. Basically, the assumption is made that if you compile
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this driver into your kernel and/or load it as a module, that you
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know what you are doing and that you are in fact running on an
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EPX-C3 board!
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To compile this driver as a module, choose M here: the
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module will be called sbc_epx_c3.
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# PowerPC Architecture
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config 8xx_WDT
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tristate "MPC8xx Watchdog Timer"
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depends on WATCHDOG && 8xx
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config 83xx_WDT
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tristate "MPC83xx Watchdog Timer"
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depends on WATCHDOG && PPC_83xx
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config MV64X60_WDT
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tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
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depends on WATCHDOG && MV64X60
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config BOOKE_WDT
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tristate "PowerPC Book-E Watchdog Timer"
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depends on WATCHDOG && (BOOKE || 4xx)
|
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---help---
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Please see Documentation/watchdog/watchdog-api.txt for
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more information.
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# PPC64 Architecture
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config WATCHDOG_RTAS
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tristate "RTAS watchdog"
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depends on WATCHDOG && PPC_RTAS
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help
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This driver adds watchdog support for the RTAS watchdog.
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To compile this driver as a module, choose M here. The module
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will be called wdrtas.
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# MIPS Architecture
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config INDYDOG
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tristate "Indy/I2 Hardware Watchdog"
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depends on WATCHDOG && SGI_IP22
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help
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Hardwaredriver for the Indy's/I2's watchdog. This is a
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watchdog timer that will reboot the machine after a 60 second
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timer expired and no process has written to /dev/watchdog during
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that time.
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# S390 Architecture
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config ZVM_WATCHDOG
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tristate "z/VM Watchdog Timer"
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depends on WATCHDOG && S390
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help
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IBM s/390 and zSeries machines running under z/VM 5.1 or later
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provide a virtual watchdog timer to their guest that cause a
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user define Control Program command to be executed after a
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timeout.
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To compile this driver as a module, choose M here. The module
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will be called vmwatchdog.
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# SUPERH Architecture
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config SH_WDT
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tristate "SuperH Watchdog"
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depends on WATCHDOG && SUPERH
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help
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This driver adds watchdog support for the integrated watchdog in the
|
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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.
|
|
|
|
# SPARC64 Architecture
|
|
|
|
config WATCHDOG_CP1XXX
|
|
tristate "CP1XXX Hardware Watchdog support"
|
|
depends on WATCHDOG && 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 WATCHDOG && 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.
|
|
|
|
#
|
|
# ISA-based Watchdog Cards
|
|
#
|
|
|
|
comment "ISA-based Watchdog Cards"
|
|
depends on WATCHDOG && ISA
|
|
|
|
config PCWATCHDOG
|
|
tristate "Berkshire Products ISA-PC Watchdog"
|
|
depends on WATCHDOG && 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 WATCHDOG && 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 WATCHDOG && 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.
|
|
|
|
config WDT_501
|
|
bool "WDT501 features"
|
|
depends on WDT
|
|
help
|
|
Saying Y here and creating a character special file /dev/temperature
|
|
with major number 10 and minor number 131 ("man mknod") will give
|
|
you a thermometer inside your computer: reading from
|
|
/dev/temperature yields one byte, the temperature in degrees
|
|
Fahrenheit. This works only if you have a WDT501P watchdog board
|
|
installed.
|
|
|
|
If you want to enable the Fan Tachometer on the WDT501P, then you
|
|
can do this via the tachometer parameter. Only do this if you have a
|
|
fan tachometer actually set up.
|
|
|
|
#
|
|
# PCI-based Watchdog Cards
|
|
#
|
|
|
|
comment "PCI-based Watchdog Cards"
|
|
depends on WATCHDOG && PCI
|
|
|
|
config PCIPCWATCHDOG
|
|
tristate "Berkshire Products PCI-PC Watchdog"
|
|
depends on WATCHDOG && 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 WATCHDOG && PCI
|
|
---help---
|
|
If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
|
|
|
|
To compile this driver as a module, choose M here: the
|
|
module will be called wdt_pci.
|
|
|
|
config WDT_501_PCI
|
|
bool "PCI-WDT501 features"
|
|
depends on WDTPCI
|
|
help
|
|
Saying Y here and creating a character special file /dev/temperature
|
|
with major number 10 and minor number 131 ("man mknod") will give
|
|
you a thermometer inside your computer: reading from
|
|
/dev/temperature yields one byte, the temperature in degrees
|
|
Fahrenheit. This works only if you have a PCI-WDT501 watchdog board
|
|
installed.
|
|
|
|
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.
|
|
|
|
#
|
|
# USB-based Watchdog Cards
|
|
#
|
|
|
|
comment "USB-based Watchdog Cards"
|
|
depends on WATCHDOG && USB
|
|
|
|
config USBPCWATCHDOG
|
|
tristate "Berkshire Products USB-PC Watchdog"
|
|
depends on WATCHDOG && 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.
|
|
|
|
endmenu
|