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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_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" 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. # ALPHA Architecture # ARM Architecture 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 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 IXP2000_WATCHDOG tristate "IXP2000 Watchdog" depends on ARCH_IXP2000 help Say Y here if to include support for the watchdog timer in the Intel IXP2000(2400, 2800, 2850) network processors. This driver can be built as a module by choosing M. The module will be called ixp2000_wdt. Say N if you are unsure. 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 S3C2410_WATCHDOG tristate "S3C2410 Watchdog" depends on ARCH_S3C2410 help Watchdog timer block in the Samsung S3C2410 chips. 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 MPCORE_WATCHDOG tristate "MPcore watchdog" depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS help Watchdog timer embedded into the MPcore system. To compile this driver as a module, choose M here: the module will be called mpcore_wdt. config EP93XX_WATCHDOG tristate "EP93xx Watchdog" depends on ARCH_EP93XX 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_OMAP24XX help Support for TI OMAP1610/OMAP1710/OMAP2420 watchdog. Say 'Y' here to enable the OMAP1610/OMAP1710 watchdog timer. config PNX4008_WATCHDOG tristate "PNX4008 Watchdog" depends on ARCH_PNX4008 help Say Y here if to include support for the watchdog timer in the PNX4008 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 MXC_WATCHDOG tristate "MXC watchdog" depends on WATCHDOG && WATCHDOG_NOWAYOUT depends on ARCH_MXC help Watchdog timer embedded into MXC 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 mxc_wdt. config IOP_WATCHDOG tristate "IOP Watchdog" depends on PLAT_IOP 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 help Say Y here if to include support for the watchdog timer in the DaVinci DM644x/DM646x 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 ORION5X_WATCHDOG tristate "Orion5x watchdog" depends on ARCH_ORION5X help Say Y here if to include support for the watchdog timer in the Orion5x ARM SoCs. To compile this driver as a module, choose M here: the module will be called orion5x_wdt. # ARM26 Architecture # 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 # H8300 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 GEODE_WDT tristate "AMD Geode CS5535/CS5536 Watchdog" depends on MGEODE_LX 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 X86 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 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 X86 && 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 ITCO_WDT tristate "Intel TCO Timer/Watchdog" depends on (X86 || IA64) && PCI ---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. 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 && EXPERIMENTAL ---help--- This is the driver for the hardware watchdog on the ITE IT8716, IT8718, IT8726, IT8712(Version J,K) Super I/O chips. 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 iLO 2 Hardware Watchdog Timer" depends on X86 help A software monitoring watchdog and NMI sourcing driver. This driver will detect lockups and provide stack trace. Also, when an NMI occurs this driver will make the necessary BIOS calls to log the cause of the NMI. This is a driver that will only load on a 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 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 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 ---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.ko. Most people will say N. config SBC7240_WDT tristate "SBC Nano 7240 Watchdog Timer" depends on X86_32 ---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 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 W83627HF_WDT tristate "W83627HF Watchdog Timer" depends on X86 ---help--- This is the driver for the hardware watchdog on the W83627HF chipset as used in Advantech PC-9578 and Tyan S2721-533 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 w83627hf_wdt. Most people will say N. config W83697HF_WDT tristate "W83697HF/W83697HG Watchdog Timer" depends on X86 ---help--- This is the driver for the hardware watchdog on the W83697HF/HG chipset as used in Dedibox/VIA 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 w83697hf_wdt. Most people will say N. config W83697UG_WDT tristate "W83697UG/W83697UF Watchdog Timer" depends on X86 ---help--- This is the driver for the hardware watchdog on the W83697UG/UF chipset as used in MSI Fuzzy CX700 VIA 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 w83697ug_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 # M68KNOMMU Architecture # MIPS Architecture 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 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 WDT_RM9K_GPI tristate "RM9000/GPI hardware watchdog" depends on CPU_RM9000 help Watchdog implementation using the GPI hardware found on PMC-Sierra RM9xxx CPUs. To compile this driver as a module, choose M here: the module will be called rm9k_wdt. 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 help Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. # PARISC Architecture # POWERPC Architecture config MPC5200_WDT tristate "MPC5200 Watchdog Timer" depends on PPC_MPC52xx config 8xxx_WDT tristate "MPC8xxx Platform Watchdog Timer" depends on PPC_8xx || PPC_83xx || PPC_86xx 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 BOOKE_WDT bool "PowerPC Book-E Watchdog Timer" depends on BOOKE || 4xx ---help--- Please see Documentation/watchdog/watchdog-api.txt for more information. # 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 ZVM_WATCHDOG tristate "z/VM Watchdog Timer" depends on S390 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. 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) 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. config SH_WDT_MMAP bool "Allow mmap of SH WDT" default n depends on SH_WDT help If you say Y here, user applications will be able to mmap the WDT/CPG registers. # 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 # # 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. 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 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. 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 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