Kconfig 42 KB

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  1. #
  2. # Watchdog device configuration
  3. #
  4. menuconfig WATCHDOG
  5. bool "Watchdog Timer Support"
  6. ---help---
  7. If you say Y here (and to one of the following options) and create a
  8. character special file /dev/watchdog with major number 10 and minor
  9. number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
  10. subsequently opening the file and then failing to write to it for
  11. longer than 1 minute will result in rebooting the machine. This
  12. could be useful for a networked machine that needs to come back
  13. on-line as fast as possible after a lock-up. There's both a watchdog
  14. implementation entirely in software (which can sometimes fail to
  15. reboot the machine) and a driver for hardware watchdog boards, which
  16. are more robust and can also keep track of the temperature inside
  17. your computer. For details, read
  18. <file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
  19. The watchdog is usually used together with the watchdog daemon
  20. which is available from
  21. <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
  22. also monitor NFS connections and can reboot the machine when the process
  23. table is full.
  24. If unsure, say N.
  25. if WATCHDOG
  26. config WATCHDOG_CORE
  27. bool "WatchDog Timer Driver Core"
  28. ---help---
  29. Say Y here if you want to use the new watchdog timer driver core.
  30. This driver provides a framework for all watchdog timer drivers
  31. and gives them the /dev/watchdog interface (and later also the
  32. sysfs interface).
  33. config WATCHDOG_NOWAYOUT
  34. bool "Disable watchdog shutdown on close"
  35. help
  36. The default watchdog behaviour (which you get if you say N here) is
  37. to stop the timer if the process managing it closes the file
  38. /dev/watchdog. It's always remotely possible that this process might
  39. get killed. If you say Y here, the watchdog cannot be stopped once
  40. it has been started.
  41. #
  42. # General Watchdog drivers
  43. #
  44. comment "Watchdog Device Drivers"
  45. # Architecture Independent
  46. config SOFT_WATCHDOG
  47. tristate "Software watchdog"
  48. select WATCHDOG_CORE
  49. help
  50. A software monitoring watchdog. This will fail to reboot your system
  51. from some situations that the hardware watchdog will recover
  52. from. Equally it's a lot cheaper to install.
  53. To compile this driver as a module, choose M here: the
  54. module will be called softdog.
  55. config DA9052_WATCHDOG
  56. tristate "Dialog DA9052 Watchdog"
  57. depends on PMIC_DA9052
  58. select WATCHDOG_CORE
  59. help
  60. Support for the watchdog in the DA9052 PMIC. Watchdog trigger
  61. cause system reset.
  62. Say Y here to include support for the DA9052 watchdog.
  63. Alternatively say M to compile the driver as a module,
  64. which will be called da9052_wdt.
  65. config WM831X_WATCHDOG
  66. tristate "WM831x watchdog"
  67. depends on MFD_WM831X
  68. select WATCHDOG_CORE
  69. help
  70. Support for the watchdog in the WM831x AudioPlus PMICs. When
  71. the watchdog triggers the system will be reset.
  72. config WM8350_WATCHDOG
  73. tristate "WM8350 watchdog"
  74. depends on MFD_WM8350
  75. select WATCHDOG_CORE
  76. help
  77. Support for the watchdog in the WM8350 AudioPlus PMIC. When
  78. the watchdog triggers the system will be reset.
  79. # ALPHA Architecture
  80. # ARM Architecture
  81. config ARM_SP805_WATCHDOG
  82. tristate "ARM SP805 Watchdog"
  83. depends on ARM_AMBA
  84. select WATCHDOG_CORE
  85. help
  86. ARM Primecell SP805 Watchdog timer. This will reboot your system when
  87. the timeout is reached.
  88. config AT91RM9200_WATCHDOG
  89. tristate "AT91RM9200 watchdog"
  90. depends on ARCH_AT91RM9200
  91. help
  92. Watchdog timer embedded into AT91RM9200 chips. This will reboot your
  93. system when the timeout is reached.
  94. config AT91SAM9X_WATCHDOG
  95. tristate "AT91SAM9X / AT91CAP9 watchdog"
  96. depends on ARCH_AT91 && !ARCH_AT91RM9200
  97. help
  98. Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
  99. reboot your system when the timeout is reached.
  100. config 21285_WATCHDOG
  101. tristate "DC21285 watchdog"
  102. depends on FOOTBRIDGE
  103. help
  104. The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
  105. here if you wish to use this. Alternatively say M to compile the
  106. driver as a module, which will be called wdt285.
  107. This driver does not work on all machines. In particular, early CATS
  108. boards have hardware problems that will cause the machine to simply
  109. lock up if the watchdog fires.
  110. "If in doubt, leave it out" - say N.
  111. config 977_WATCHDOG
  112. tristate "NetWinder WB83C977 watchdog"
  113. depends on FOOTBRIDGE && ARCH_NETWINDER
  114. help
  115. Say Y here to include support for the WB977 watchdog included in
  116. NetWinder machines. Alternatively say M to compile the driver as
  117. a module, which will be called wdt977.
  118. Not sure? It's safe to say N.
  119. config IXP4XX_WATCHDOG
  120. tristate "IXP4xx Watchdog"
  121. depends on ARCH_IXP4XX
  122. help
  123. Say Y here if to include support for the watchdog timer
  124. in the Intel IXP4xx network processors. This driver can
  125. be built as a module by choosing M. The module will
  126. be called ixp4xx_wdt.
  127. Note: The internal IXP4xx watchdog does a soft CPU reset
  128. which doesn't reset any peripherals. There are circumstances
  129. where the watchdog will fail to reset the board correctly
  130. (e.g., if the boot ROM is in an unreadable state).
  131. Say N if you are unsure.
  132. config KS8695_WATCHDOG
  133. tristate "KS8695 watchdog"
  134. depends on ARCH_KS8695
  135. help
  136. Watchdog timer embedded into KS8695 processor. This will reboot your
  137. system when the timeout is reached.
  138. config HAVE_S3C2410_WATCHDOG
  139. bool
  140. help
  141. This will include watchdog timer support for Samsung SoCs. If
  142. you want to include watchdog support for any machine, kindly
  143. select this in the respective mach-XXXX/Kconfig file.
  144. config S3C2410_WATCHDOG
  145. tristate "S3C2410 Watchdog"
  146. depends on HAVE_S3C2410_WATCHDOG
  147. select WATCHDOG_CORE
  148. help
  149. Watchdog timer block in the Samsung SoCs. This will reboot
  150. the system when the timer expires with the watchdog enabled.
  151. The driver is limited by the speed of the system's PCLK
  152. signal, so with reasonably fast systems (PCLK around 50-66MHz)
  153. then watchdog intervals of over approximately 20seconds are
  154. unavailable.
  155. The driver can be built as a module by choosing M, and will
  156. be called s3c2410_wdt
  157. config SA1100_WATCHDOG
  158. tristate "SA1100/PXA2xx watchdog"
  159. depends on ARCH_SA1100 || ARCH_PXA
  160. help
  161. Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
  162. reboot your system when timeout is reached.
  163. NOTE: once enabled, this timer cannot be disabled.
  164. To compile this driver as a module, choose M here: the
  165. module will be called sa1100_wdt.
  166. config DW_WATCHDOG
  167. tristate "Synopsys DesignWare watchdog"
  168. depends on ARM && HAVE_CLK
  169. help
  170. Say Y here if to include support for the Synopsys DesignWare
  171. watchdog timer found in many ARM chips.
  172. To compile this driver as a module, choose M here: the
  173. module will be called dw_wdt.
  174. config MPCORE_WATCHDOG
  175. tristate "MPcore watchdog"
  176. depends on HAVE_ARM_TWD
  177. help
  178. Watchdog timer embedded into the MPcore system.
  179. To compile this driver as a module, choose M here: the
  180. module will be called mpcore_wdt.
  181. config EP93XX_WATCHDOG
  182. tristate "EP93xx Watchdog"
  183. depends on ARCH_EP93XX
  184. select WATCHDOG_CORE
  185. help
  186. Say Y here if to include support for the watchdog timer
  187. embedded in the Cirrus Logic EP93xx family of devices.
  188. To compile this driver as a module, choose M here: the
  189. module will be called ep93xx_wdt.
  190. config OMAP_WATCHDOG
  191. tristate "OMAP Watchdog"
  192. depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
  193. help
  194. Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
  195. here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
  196. config PNX4008_WATCHDOG
  197. tristate "PNX4008 and LPC32XX Watchdog"
  198. depends on ARCH_PNX4008 || ARCH_LPC32XX
  199. select WATCHDOG_CORE
  200. help
  201. Say Y here if to include support for the watchdog timer
  202. in the PNX4008 or LPC32XX processor.
  203. This driver can be built as a module by choosing M. The module
  204. will be called pnx4008_wdt.
  205. Say N if you are unsure.
  206. config IOP_WATCHDOG
  207. tristate "IOP Watchdog"
  208. depends on PLAT_IOP
  209. select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
  210. help
  211. Say Y here if to include support for the watchdog timer
  212. in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
  213. be built as a module by choosing M. The module will
  214. be called iop_wdt.
  215. Note: The IOP13XX watchdog does an Internal Bus Reset which will
  216. affect both cores and the peripherals of the IOP. The ATU-X
  217. and/or ATUe configuration registers will remain intact, but if
  218. operating as an Root Complex and/or Central Resource, the PCI-X
  219. and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
  220. config DAVINCI_WATCHDOG
  221. tristate "DaVinci watchdog"
  222. depends on ARCH_DAVINCI
  223. help
  224. Say Y here if to include support for the watchdog timer
  225. in the DaVinci DM644x/DM646x processors.
  226. To compile this driver as a module, choose M here: the
  227. module will be called davinci_wdt.
  228. NOTE: once enabled, this timer cannot be disabled.
  229. Say N if you are unsure.
  230. config ORION_WATCHDOG
  231. tristate "Orion watchdog"
  232. depends on ARCH_ORION5X || ARCH_KIRKWOOD
  233. help
  234. Say Y here if to include support for the watchdog timer
  235. in the Marvell Orion5x and Kirkwood ARM SoCs.
  236. To compile this driver as a module, choose M here: the
  237. module will be called orion_wdt.
  238. config COH901327_WATCHDOG
  239. bool "ST-Ericsson COH 901 327 watchdog"
  240. depends on ARCH_U300
  241. default y if MACH_U300
  242. select WATCHDOG_CORE
  243. help
  244. Say Y here to include Watchdog timer support for the
  245. watchdog embedded into the ST-Ericsson U300 series platforms.
  246. This watchdog is used to reset the system and thus cannot be
  247. compiled as a module.
  248. config TWL4030_WATCHDOG
  249. tristate "TWL4030 Watchdog"
  250. depends on TWL4030_CORE
  251. help
  252. Support for TI TWL4030 watchdog. Say 'Y' here to enable the
  253. watchdog timer support for TWL4030 chips.
  254. config STMP3XXX_WATCHDOG
  255. tristate "Freescale STMP3XXX watchdog"
  256. depends on ARCH_STMP3XXX
  257. help
  258. Say Y here if to include support for the watchdog timer
  259. for the Sigmatel STMP37XX/378X SoC.
  260. To compile this driver as a module, choose M here: the
  261. module will be called stmp3xxx_wdt.
  262. config NUC900_WATCHDOG
  263. tristate "Nuvoton NUC900 watchdog"
  264. depends on ARCH_W90X900
  265. help
  266. Say Y here if to include support for the watchdog timer
  267. for the Nuvoton NUC900 series SoCs.
  268. To compile this driver as a module, choose M here: the
  269. module will be called nuc900_wdt.
  270. config TS72XX_WATCHDOG
  271. tristate "TS-72XX SBC Watchdog"
  272. depends on MACH_TS72XX
  273. help
  274. Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
  275. watchdog timer implemented in a external CPLD chip. Say Y here
  276. if you want to support for the watchdog timer on TS-72XX boards.
  277. To compile this driver as a module, choose M here: the
  278. module will be called ts72xx_wdt.
  279. config MAX63XX_WATCHDOG
  280. tristate "Max63xx watchdog"
  281. depends on ARM && HAS_IOMEM
  282. select WATCHDOG_CORE
  283. help
  284. Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
  285. config IMX2_WDT
  286. tristate "IMX2+ Watchdog"
  287. depends on IMX_HAVE_PLATFORM_IMX2_WDT
  288. help
  289. This is the driver for the hardware watchdog
  290. on the Freescale IMX2 and later processors.
  291. If you have one of these processors and wish to have
  292. watchdog support enabled, say Y, otherwise say N.
  293. To compile this driver as a module, choose M here: the
  294. module will be called imx2_wdt.
  295. # AVR32 Architecture
  296. config AT32AP700X_WDT
  297. tristate "AT32AP700x watchdog"
  298. depends on CPU_AT32AP700X
  299. help
  300. Watchdog timer embedded into AT32AP700x devices. This will reboot
  301. your system when the timeout is reached.
  302. # BLACKFIN Architecture
  303. config BFIN_WDT
  304. tristate "Blackfin On-Chip Watchdog Timer"
  305. depends on BLACKFIN
  306. ---help---
  307. If you say yes here you will get support for the Blackfin On-Chip
  308. Watchdog Timer. If you have one of these processors and wish to
  309. have watchdog support enabled, say Y, otherwise say N.
  310. To compile this driver as a module, choose M here: the
  311. module will be called bfin_wdt.
  312. # CRIS Architecture
  313. # FRV Architecture
  314. # H8300 Architecture
  315. # X86 (i386 + ia64 + x86_64) Architecture
  316. config ACQUIRE_WDT
  317. tristate "Acquire SBC Watchdog Timer"
  318. depends on X86
  319. ---help---
  320. This is the driver for the hardware watchdog on Single Board
  321. Computers produced by Acquire Inc (and others). This watchdog
  322. simply watches your kernel to make sure it doesn't freeze, and if
  323. it does, it reboots your computer after a certain amount of time.
  324. To compile this driver as a module, choose M here: the
  325. module will be called acquirewdt.
  326. Most people will say N.
  327. config ADVANTECH_WDT
  328. tristate "Advantech SBC Watchdog Timer"
  329. depends on X86
  330. help
  331. If you are configuring a Linux kernel for the Advantech single-board
  332. computer, say `Y' here to support its built-in watchdog timer
  333. feature. More information can be found at
  334. <http://www.advantech.com.tw/products/>
  335. config ALIM1535_WDT
  336. tristate "ALi M1535 PMU Watchdog Timer"
  337. depends on X86 && PCI
  338. ---help---
  339. This is the driver for the hardware watchdog on the ALi M1535 PMU.
  340. To compile this driver as a module, choose M here: the
  341. module will be called alim1535_wdt.
  342. Most people will say N.
  343. config ALIM7101_WDT
  344. tristate "ALi M7101 PMU Computer Watchdog"
  345. depends on PCI
  346. help
  347. This is the driver for the hardware watchdog on the ALi M7101 PMU
  348. as used in the x86 Cobalt servers and also found in some
  349. SPARC Netra servers too.
  350. To compile this driver as a module, choose M here: the
  351. module will be called alim7101_wdt.
  352. Most people will say N.
  353. config F71808E_WDT
  354. tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
  355. depends on X86 && EXPERIMENTAL
  356. help
  357. This is the driver for the hardware watchdog on the Fintek
  358. F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
  359. You can compile this driver directly into the kernel, or use
  360. it as a module. The module will be called f71808e_wdt.
  361. config SP5100_TCO
  362. tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
  363. depends on X86 && PCI
  364. ---help---
  365. Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
  366. (Total Cost of Ownership) timer is a watchdog timer that will reboot
  367. the machine after its expiration. The expiration time can be
  368. configured with the "heartbeat" parameter.
  369. To compile this driver as a module, choose M here: the
  370. module will be called sp5100_tco.
  371. config GEODE_WDT
  372. tristate "AMD Geode CS5535/CS5536 Watchdog"
  373. depends on CS5535_MFGPT
  374. help
  375. This driver enables a watchdog capability built into the
  376. CS5535/CS5536 companion chips for the AMD Geode GX and LX
  377. processors. This watchdog watches your kernel to make sure
  378. it doesn't freeze, and if it does, it reboots your computer after
  379. a certain amount of time.
  380. You can compile this driver directly into the kernel, or use
  381. it as a module. The module will be called geodewdt.
  382. config SC520_WDT
  383. tristate "AMD Elan SC520 processor Watchdog"
  384. depends on X86
  385. help
  386. This is the driver for the hardware watchdog built in to the
  387. AMD "Elan" SC520 microcomputer commonly used in embedded systems.
  388. This watchdog simply watches your kernel to make sure it doesn't
  389. freeze, and if it does, it reboots your computer after a certain
  390. amount of time.
  391. You can compile this driver directly into the kernel, or use
  392. it as a module. The module will be called sc520_wdt.
  393. config SBC_FITPC2_WATCHDOG
  394. tristate "Compulab SBC-FITPC2 watchdog"
  395. depends on X86
  396. ---help---
  397. This is the driver for the built-in watchdog timer on the fit-PC2,
  398. fit-PC2i, CM-iAM single-board computers made by Compulab.
  399. It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
  400. When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
  401. Entering BIOS setup temporary disables watchdog operation regardless to current state,
  402. so system will not be restarted while user in BIOS setup.
  403. Once watchdog was enabled the system will be restarted every
  404. "Watchdog Timer Value" period, so to prevent it user can restart or
  405. disable the watchdog.
  406. To compile this driver as a module, choose M here: the
  407. module will be called sbc_fitpc2_wdt.
  408. Most people will say N.
  409. config EUROTECH_WDT
  410. tristate "Eurotech CPU-1220/1410 Watchdog Timer"
  411. depends on X86
  412. help
  413. Enable support for the watchdog timer on the Eurotech CPU-1220 and
  414. CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
  415. information are at <http://www.eurotech.it/>.
  416. config IB700_WDT
  417. tristate "IB700 SBC Watchdog Timer"
  418. depends on X86
  419. ---help---
  420. This is the driver for the hardware watchdog on the IB700 Single
  421. Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
  422. simply watches your kernel to make sure it doesn't freeze, and if
  423. it does, it reboots your computer after a certain amount of time.
  424. This driver is like the WDT501 driver but for slightly different hardware.
  425. To compile this driver as a module, choose M here: the
  426. module will be called ib700wdt.
  427. Most people will say N.
  428. config IBMASR
  429. tristate "IBM Automatic Server Restart"
  430. depends on X86
  431. help
  432. This is the driver for the IBM Automatic Server Restart watchdog
  433. timer built-in into some eServer xSeries machines.
  434. To compile this driver as a module, choose M here: the
  435. module will be called ibmasr.
  436. config WAFER_WDT
  437. tristate "ICP Single Board Computer Watchdog Timer"
  438. depends on X86
  439. help
  440. This is a driver for the hardware watchdog on the ICP Single
  441. Board Computer. This driver is working on (at least) the following
  442. IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
  443. To compile this driver as a module, choose M here: the
  444. module will be called wafer5823wdt.
  445. config I6300ESB_WDT
  446. tristate "Intel 6300ESB Timer/Watchdog"
  447. depends on PCI
  448. ---help---
  449. Hardware driver for the watchdog timer built into the Intel
  450. 6300ESB controller hub.
  451. To compile this driver as a module, choose M here: the
  452. module will be called i6300esb.
  453. config IE6XX_WDT
  454. tristate "Intel Atom E6xx Watchdog"
  455. depends on X86 && PCI
  456. select WATCHDOG_CORE
  457. select MFD_CORE
  458. select LPC_SCH
  459. ---help---
  460. Hardware driver for the watchdog timer built into the Intel
  461. Atom E6XX (TunnelCreek) processor.
  462. To compile this driver as a module, choose M here: the
  463. module will be called ie6xx_wdt.
  464. config INTEL_SCU_WATCHDOG
  465. bool "Intel SCU Watchdog for Mobile Platforms"
  466. depends on X86_MRST
  467. ---help---
  468. Hardware driver for the watchdog time built into the Intel SCU
  469. for Intel Mobile Platforms.
  470. To compile this driver as a module, choose M here.
  471. config ITCO_WDT
  472. tristate "Intel TCO Timer/Watchdog"
  473. depends on (X86 || IA64) && PCI
  474. select LPC_ICH
  475. ---help---
  476. Hardware driver for the intel TCO timer based watchdog devices.
  477. These drivers are included in the Intel 82801 I/O Controller
  478. Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
  479. controller hub.
  480. The TCO (Total Cost of Ownership) timer is a watchdog timer
  481. that will reboot the machine after its second expiration. The
  482. expiration time can be configured with the "heartbeat" parameter.
  483. On some motherboards the driver may fail to reset the chipset's
  484. NO_REBOOT flag which prevents the watchdog from rebooting the
  485. machine. If this is the case you will get a kernel message like
  486. "failed to reset NO_REBOOT flag, reboot disabled by hardware".
  487. To compile this driver as a module, choose M here: the
  488. module will be called iTCO_wdt.
  489. config ITCO_VENDOR_SUPPORT
  490. bool "Intel TCO Timer/Watchdog Specific Vendor Support"
  491. depends on ITCO_WDT
  492. ---help---
  493. Add vendor specific support to the intel TCO timer based watchdog
  494. devices. At this moment we only have additional support for some
  495. SuperMicro Inc. motherboards.
  496. config IT8712F_WDT
  497. tristate "IT8712F (Smart Guardian) Watchdog Timer"
  498. depends on X86
  499. ---help---
  500. This is the driver for the built-in watchdog timer on the IT8712F
  501. Super I/0 chipset used on many motherboards.
  502. If the driver does not work, then make sure that the game port in
  503. the BIOS is enabled.
  504. To compile this driver as a module, choose M here: the
  505. module will be called it8712f_wdt.
  506. config IT87_WDT
  507. tristate "IT87 Watchdog Timer"
  508. depends on X86 && EXPERIMENTAL
  509. ---help---
  510. This is the driver for the hardware watchdog on the ITE IT8702,
  511. IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
  512. Super I/O chips.
  513. If the driver does not work, then make sure that the game port in
  514. the BIOS is enabled.
  515. This watchdog simply watches your kernel to make sure it doesn't
  516. freeze, and if it does, it reboots your computer after a certain
  517. amount of time.
  518. To compile this driver as a module, choose M here: the module will
  519. be called it87_wdt.
  520. config HP_WATCHDOG
  521. tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
  522. depends on X86 && PCI
  523. help
  524. A software monitoring watchdog and NMI sourcing driver. This driver
  525. will detect lockups and provide a stack trace. This is a driver that
  526. will only load on an HP ProLiant system with a minimum of iLO2 support.
  527. To compile this driver as a module, choose M here: the module will be
  528. called hpwdt.
  529. config HPWDT_NMI_DECODING
  530. bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
  531. depends on HP_WATCHDOG
  532. default y
  533. help
  534. When an NMI occurs this feature will make the necessary BIOS calls to
  535. log the cause of the NMI.
  536. config SC1200_WDT
  537. tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
  538. depends on X86
  539. help
  540. This is a driver for National Semiconductor PC87307/PC97307 hardware
  541. watchdog cards as found on the SC1200. This watchdog is mainly used
  542. for power management purposes and can be used to power down the device
  543. during inactivity periods (includes interrupt activity monitoring).
  544. To compile this driver as a module, choose M here: the
  545. module will be called sc1200wdt.
  546. Most people will say N.
  547. config SCx200_WDT
  548. tristate "National Semiconductor SCx200 Watchdog"
  549. depends on SCx200 && PCI
  550. help
  551. Enable the built-in watchdog timer support on the National
  552. Semiconductor SCx200 processors.
  553. If compiled as a module, it will be called scx200_wdt.
  554. config PC87413_WDT
  555. tristate "NS PC87413 watchdog"
  556. depends on X86
  557. ---help---
  558. This is the driver for the hardware watchdog on the PC87413 chipset
  559. This watchdog simply watches your kernel to make sure it doesn't
  560. freeze, and if it does, it reboots your computer after a certain
  561. amount of time.
  562. To compile this driver as a module, choose M here: the
  563. module will be called pc87413_wdt.
  564. Most people will say N.
  565. config NV_TCO
  566. tristate "nVidia TCO Timer/Watchdog"
  567. depends on X86 && PCI
  568. ---help---
  569. Hardware driver for the TCO timer built into the nVidia Hub family
  570. (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
  571. watchdog timer that will reboot the machine after its second
  572. expiration. The expiration time can be configured with the
  573. "heartbeat" parameter.
  574. On some motherboards the driver may fail to reset the chipset's
  575. NO_REBOOT flag which prevents the watchdog from rebooting the
  576. machine. If this is the case you will get a kernel message like
  577. "failed to reset NO_REBOOT flag, reboot disabled by hardware".
  578. To compile this driver as a module, choose M here: the
  579. module will be called nv_tco.
  580. config RDC321X_WDT
  581. tristate "RDC R-321x SoC watchdog"
  582. depends on X86_RDC321X
  583. help
  584. This is the driver for the built in hardware watchdog
  585. in the RDC R-321x SoC.
  586. To compile this driver as a module, choose M here: the
  587. module will be called rdc321x_wdt.
  588. config 60XX_WDT
  589. tristate "SBC-60XX Watchdog Timer"
  590. depends on X86
  591. help
  592. This driver can be used with the watchdog timer found on some
  593. single board computers, namely the 6010 PII based computer.
  594. It may well work with other cards. It reads port 0x443 to enable
  595. and re-set the watchdog timer, and reads port 0x45 to disable
  596. the watchdog. If you have a card that behave in similar ways,
  597. you can probably make this driver work with your card as well.
  598. You can compile this driver directly into the kernel, or use
  599. it as a module. The module will be called sbc60xxwdt.
  600. config SBC8360_WDT
  601. tristate "SBC8360 Watchdog Timer"
  602. depends on X86
  603. ---help---
  604. This is the driver for the hardware watchdog on the SBC8360 Single
  605. Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
  606. To compile this driver as a module, choose M here: the
  607. module will be called sbc8360.
  608. Most people will say N.
  609. config SBC7240_WDT
  610. tristate "SBC Nano 7240 Watchdog Timer"
  611. depends on X86_32 && !UML
  612. ---help---
  613. This is the driver for the hardware watchdog found on the IEI
  614. single board computers EPIC Nano 7240 (and likely others). This
  615. watchdog simply watches your kernel to make sure it doesn't freeze,
  616. and if it does, it reboots your computer after a certain amount of
  617. time.
  618. To compile this driver as a module, choose M here: the
  619. module will be called sbc7240_wdt.
  620. config CPU5_WDT
  621. tristate "SMA CPU5 Watchdog"
  622. depends on X86
  623. ---help---
  624. TBD.
  625. To compile this driver as a module, choose M here: the
  626. module will be called cpu5wdt.
  627. config SMSC_SCH311X_WDT
  628. tristate "SMSC SCH311X Watchdog Timer"
  629. depends on X86
  630. ---help---
  631. This is the driver for the hardware watchdog timer on the
  632. SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
  633. (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
  634. serial ports).
  635. To compile this driver as a module, choose M here: the
  636. module will be called sch311x_wdt.
  637. config SMSC37B787_WDT
  638. tristate "Winbond SMsC37B787 Watchdog Timer"
  639. depends on X86
  640. ---help---
  641. This is the driver for the hardware watchdog component on the
  642. Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
  643. from Vision Systems and maybe others.
  644. This watchdog simply watches your kernel to make sure it doesn't
  645. freeze, and if it does, it reboots your computer after a certain
  646. amount of time.
  647. Usually a userspace daemon will notify the kernel WDT driver that
  648. userspace is still alive, at regular intervals.
  649. To compile this driver as a module, choose M here: the
  650. module will be called smsc37b787_wdt.
  651. Most people will say N.
  652. config VIA_WDT
  653. tristate "VIA Watchdog Timer"
  654. depends on X86 && PCI
  655. select WATCHDOG_CORE
  656. ---help---
  657. This is the driver for the hardware watchdog timer on VIA
  658. southbridge chipset CX700, VX800/VX820 or VX855/VX875.
  659. To compile this driver as a module, choose M here; the module
  660. will be called via_wdt.
  661. Most people will say N.
  662. config W83627HF_WDT
  663. tristate "W83627HF/W83627DHG Watchdog Timer"
  664. depends on X86
  665. ---help---
  666. This is the driver for the hardware watchdog on the W83627HF chipset
  667. as used in Advantech PC-9578 and Tyan S2721-533 motherboards
  668. (and likely others). The driver also supports the W83627DHG chip.
  669. This watchdog simply watches your kernel to make sure it doesn't
  670. freeze, and if it does, it reboots your computer after a certain
  671. amount of time.
  672. To compile this driver as a module, choose M here: the
  673. module will be called w83627hf_wdt.
  674. Most people will say N.
  675. config W83697HF_WDT
  676. tristate "W83697HF/W83697HG Watchdog Timer"
  677. depends on X86
  678. ---help---
  679. This is the driver for the hardware watchdog on the W83697HF/HG
  680. chipset as used in Dedibox/VIA motherboards (and likely others).
  681. This watchdog simply watches your kernel to make sure it doesn't
  682. freeze, and if it does, it reboots your computer after a certain
  683. amount of time.
  684. To compile this driver as a module, choose M here: the
  685. module will be called w83697hf_wdt.
  686. Most people will say N.
  687. config W83697UG_WDT
  688. tristate "W83697UG/W83697UF Watchdog Timer"
  689. depends on X86
  690. ---help---
  691. This is the driver for the hardware watchdog on the W83697UG/UF
  692. chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
  693. This watchdog simply watches your kernel to make sure it doesn't
  694. freeze, and if it does, it reboots your computer after a certain
  695. amount of time.
  696. To compile this driver as a module, choose M here: the
  697. module will be called w83697ug_wdt.
  698. Most people will say N.
  699. config W83877F_WDT
  700. tristate "W83877F (EMACS) Watchdog Timer"
  701. depends on X86
  702. ---help---
  703. This is the driver for the hardware watchdog on the W83877F chipset
  704. as used in EMACS PC-104 motherboards (and likely others). This
  705. watchdog simply watches your kernel to make sure it doesn't freeze,
  706. and if it does, it reboots your computer after a certain amount of
  707. time.
  708. To compile this driver as a module, choose M here: the
  709. module will be called w83877f_wdt.
  710. Most people will say N.
  711. config W83977F_WDT
  712. tristate "W83977F (PCM-5335) Watchdog Timer"
  713. depends on X86
  714. ---help---
  715. This is the driver for the hardware watchdog on the W83977F I/O chip
  716. as used in AAEON's PCM-5335 SBC (and likely others). This
  717. watchdog simply watches your kernel to make sure it doesn't freeze,
  718. and if it does, it reboots your computer after a certain amount of
  719. time.
  720. To compile this driver as a module, choose M here: the
  721. module will be called w83977f_wdt.
  722. config MACHZ_WDT
  723. tristate "ZF MachZ Watchdog"
  724. depends on X86
  725. ---help---
  726. If you are using a ZF Micro MachZ processor, say Y here, otherwise
  727. N. This is the driver for the watchdog timer built-in on that
  728. processor using ZF-Logic interface. This watchdog simply watches
  729. your kernel to make sure it doesn't freeze, and if it does, it
  730. reboots your computer after a certain amount of time.
  731. To compile this driver as a module, choose M here: the
  732. module will be called machzwd.
  733. config SBC_EPX_C3_WATCHDOG
  734. tristate "Winsystems SBC EPX-C3 watchdog"
  735. depends on X86
  736. ---help---
  737. This is the driver for the built-in watchdog timer on the EPX-C3
  738. Single-board computer made by Winsystems, Inc.
  739. *Note*: This hardware watchdog is not probeable and thus there
  740. is no way to know if writing to its IO address will corrupt
  741. your system or have any real effect. The only way to be sure
  742. that this driver does what you want is to make sure you
  743. are running it on an EPX-C3 from Winsystems with the watchdog
  744. timer at IO address 0x1ee and 0x1ef. It will write to both those
  745. IO ports. Basically, the assumption is made that if you compile
  746. this driver into your kernel and/or load it as a module, that you
  747. know what you are doing and that you are in fact running on an
  748. EPX-C3 board!
  749. To compile this driver as a module, choose M here: the
  750. module will be called sbc_epx_c3.
  751. # M32R Architecture
  752. # M68K Architecture
  753. config M54xx_WATCHDOG
  754. tristate "MCF54xx watchdog support"
  755. depends on M548x
  756. help
  757. To compile this driver as a module, choose M here: the
  758. module will be called m54xx_wdt.
  759. # MicroBlaze Architecture
  760. config XILINX_WATCHDOG
  761. tristate "Xilinx Watchdog timer"
  762. depends on MICROBLAZE
  763. ---help---
  764. Watchdog driver for the xps_timebase_wdt ip core.
  765. IMPORTANT: The xps_timebase_wdt parent must have the property
  766. "clock-frequency" at device tree.
  767. To compile this driver as a module, choose M here: the
  768. module will be called of_xilinx_wdt.
  769. # MIPS Architecture
  770. config ATH79_WDT
  771. tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
  772. depends on ATH79
  773. help
  774. Hardware driver for the built-in watchdog timer on the Atheros
  775. AR71XX/AR724X/AR913X SoCs.
  776. config BCM47XX_WDT
  777. tristate "Broadcom BCM47xx Watchdog Timer"
  778. depends on BCM47XX
  779. help
  780. Hardware driver for the Broadcom BCM47xx Watchdog Timer.
  781. config RC32434_WDT
  782. tristate "IDT RC32434 SoC Watchdog Timer"
  783. depends on MIKROTIK_RB532
  784. help
  785. Hardware driver for the IDT RC32434 SoC built-in
  786. watchdog timer.
  787. To compile this driver as a module, choose M here: the
  788. module will be called rc32434_wdt.
  789. config INDYDOG
  790. tristate "Indy/I2 Hardware Watchdog"
  791. depends on SGI_HAS_INDYDOG
  792. help
  793. Hardware driver for the Indy's/I2's watchdog. This is a
  794. watchdog timer that will reboot the machine after a 60 second
  795. timer expired and no process has written to /dev/watchdog during
  796. that time.
  797. config JZ4740_WDT
  798. tristate "Ingenic jz4740 SoC hardware watchdog"
  799. depends on MACH_JZ4740
  800. select WATCHDOG_CORE
  801. help
  802. Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
  803. config WDT_MTX1
  804. tristate "MTX-1 Hardware Watchdog"
  805. depends on MIPS_MTX1
  806. help
  807. Hardware driver for the MTX-1 boards. This is a watchdog timer that
  808. will reboot the machine after a 100 seconds timer expired.
  809. config PNX833X_WDT
  810. tristate "PNX833x Hardware Watchdog"
  811. depends on SOC_PNX8335
  812. help
  813. Hardware driver for the PNX833x's watchdog. This is a
  814. watchdog timer that will reboot the machine after a programmable
  815. timer has expired and no process has written to /dev/watchdog during
  816. that time.
  817. config SIBYTE_WDOG
  818. tristate "Sibyte SoC hardware watchdog"
  819. depends on CPU_SB1
  820. help
  821. Watchdog driver for the built in watchdog hardware in Sibyte
  822. SoC processors. There are apparently two watchdog timers
  823. on such processors; this driver supports only the first one,
  824. because currently Linux only supports exporting one watchdog
  825. to userspace.
  826. To compile this driver as a loadable module, choose M here.
  827. The module will be called sb_wdog.
  828. config AR7_WDT
  829. tristate "TI AR7 Watchdog Timer"
  830. depends on AR7
  831. help
  832. Hardware driver for the TI AR7 Watchdog Timer.
  833. config TXX9_WDT
  834. tristate "Toshiba TXx9 Watchdog Timer"
  835. depends on CPU_TX39XX || CPU_TX49XX
  836. select WATCHDOG_CORE
  837. help
  838. Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
  839. config OCTEON_WDT
  840. tristate "Cavium OCTEON SOC family Watchdog Timer"
  841. depends on CPU_CAVIUM_OCTEON
  842. default y
  843. select EXPORT_UASM if OCTEON_WDT = m
  844. help
  845. Hardware driver for OCTEON's on chip watchdog timer.
  846. Enables the watchdog for all cores running Linux. It
  847. installs a NMI handler and pokes the watchdog based on an
  848. interrupt. On first expiration of the watchdog, the
  849. interrupt handler pokes it. The second expiration causes an
  850. NMI that prints a message. The third expiration causes a
  851. global soft reset.
  852. When userspace has /dev/watchdog open, no poking is done
  853. from the first interrupt, it is then only poked when the
  854. device is written.
  855. config BCM63XX_WDT
  856. tristate "Broadcom BCM63xx hardware watchdog"
  857. depends on BCM63XX
  858. help
  859. Watchdog driver for the built in watchdog hardware in Broadcom
  860. BCM63xx SoC.
  861. To compile this driver as a loadable module, choose M here.
  862. The module will be called bcm63xx_wdt.
  863. config LANTIQ_WDT
  864. tristate "Lantiq SoC watchdog"
  865. depends on LANTIQ
  866. help
  867. Hardware driver for the Lantiq SoC Watchdog Timer.
  868. # PARISC Architecture
  869. # POWERPC Architecture
  870. config GEF_WDT
  871. tristate "GE Watchdog Timer"
  872. depends on GE_FPGA
  873. ---help---
  874. Watchdog timer found in a number of GE single board computers.
  875. config MPC5200_WDT
  876. bool "MPC52xx Watchdog Timer"
  877. depends on PPC_MPC52xx
  878. help
  879. Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
  880. config 8xxx_WDT
  881. tristate "MPC8xxx Platform Watchdog Timer"
  882. depends on PPC_8xx || PPC_83xx || PPC_86xx
  883. help
  884. This driver is for a SoC level watchdog that exists on some
  885. Freescale PowerPC processors. So far this driver supports:
  886. - MPC8xx watchdogs
  887. - MPC83xx watchdogs
  888. - MPC86xx watchdogs
  889. For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
  890. config MV64X60_WDT
  891. tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
  892. depends on MV64X60
  893. config PIKA_WDT
  894. tristate "PIKA FPGA Watchdog"
  895. depends on WARP
  896. default y
  897. help
  898. This enables the watchdog in the PIKA FPGA. Currently used on
  899. the Warp platform.
  900. config BOOKE_WDT
  901. tristate "PowerPC Book-E Watchdog Timer"
  902. depends on BOOKE || 4xx
  903. ---help---
  904. Watchdog driver for PowerPC Book-E chips, such as the Freescale
  905. MPC85xx SOCs and the IBM PowerPC 440.
  906. Please see Documentation/watchdog/watchdog-api.txt for
  907. more information.
  908. config BOOKE_WDT_DEFAULT_TIMEOUT
  909. int "PowerPC Book-E Watchdog Timer Default Timeout"
  910. depends on BOOKE_WDT
  911. default 38 if FSL_BOOKE
  912. range 0 63 if FSL_BOOKE
  913. default 3 if !FSL_BOOKE
  914. range 0 3 if !FSL_BOOKE
  915. help
  916. Select the default watchdog timer period to be used by the PowerPC
  917. Book-E watchdog driver. A watchdog "event" occurs when the bit
  918. position represented by this number transitions from zero to one.
  919. For Freescale Book-E processors, this is a number between 0 and 63.
  920. For other Book-E processors, this is a number between 0 and 3.
  921. The value can be overridden by the wdt_period command-line parameter.
  922. # PPC64 Architecture
  923. config WATCHDOG_RTAS
  924. tristate "RTAS watchdog"
  925. depends on PPC_RTAS
  926. help
  927. This driver adds watchdog support for the RTAS watchdog.
  928. To compile this driver as a module, choose M here. The module
  929. will be called wdrtas.
  930. # S390 Architecture
  931. config ZVM_WATCHDOG
  932. tristate "z/VM Watchdog Timer"
  933. depends on S390
  934. help
  935. IBM s/390 and zSeries machines running under z/VM 5.1 or later
  936. provide a virtual watchdog timer to their guest that cause a
  937. user define Control Program command to be executed after a
  938. timeout.
  939. To compile this driver as a module, choose M here. The module
  940. will be called vmwatchdog.
  941. # SUPERH (sh + sh64) Architecture
  942. config SH_WDT
  943. tristate "SuperH Watchdog"
  944. depends on SUPERH && (CPU_SH3 || CPU_SH4)
  945. select WATCHDOG_CORE
  946. help
  947. This driver adds watchdog support for the integrated watchdog in the
  948. SuperH processors. If you have one of these processors and wish
  949. to have watchdog support enabled, say Y, otherwise say N.
  950. As a side note, saying Y here will automatically boost HZ to 1000
  951. so that the timer has a chance to clear the overflow counter. On
  952. slower systems (such as the SH-2 and SH-3) this will likely yield
  953. some performance issues. As such, the WDT should be avoided here
  954. unless it is absolutely necessary.
  955. To compile this driver as a module, choose M here: the
  956. module will be called shwdt.
  957. # SPARC Architecture
  958. # SPARC64 Architecture
  959. config WATCHDOG_CP1XXX
  960. tristate "CP1XXX Hardware Watchdog support"
  961. depends on SPARC64 && PCI
  962. ---help---
  963. This is the driver for the hardware watchdog timers present on
  964. Sun Microsystems CompactPCI models CP1400 and CP1500.
  965. To compile this driver as a module, choose M here: the
  966. module will be called cpwatchdog.
  967. If you do not have a CompactPCI model CP1400 or CP1500, or
  968. another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
  969. you should say N to this option.
  970. config WATCHDOG_RIO
  971. tristate "RIO Hardware Watchdog support"
  972. depends on SPARC64 && PCI
  973. help
  974. Say Y here to support the hardware watchdog capability on Sun RIO
  975. machines. The watchdog timeout period is normally one minute but
  976. can be changed with a boot-time parameter.
  977. # XTENSA Architecture
  978. # Xen Architecture
  979. config XEN_WDT
  980. tristate "Xen Watchdog support"
  981. depends on XEN
  982. help
  983. Say Y here to support the hypervisor watchdog capability provided
  984. by Xen 4.0 and newer. The watchdog timeout period is normally one
  985. minute but can be changed with a boot-time parameter.
  986. config UML_WATCHDOG
  987. tristate "UML watchdog"
  988. depends on UML
  989. #
  990. # ISA-based Watchdog Cards
  991. #
  992. comment "ISA-based Watchdog Cards"
  993. depends on ISA
  994. config PCWATCHDOG
  995. tristate "Berkshire Products ISA-PC Watchdog"
  996. depends on ISA
  997. ---help---
  998. This is the driver for the Berkshire Products ISA-PC Watchdog card.
  999. This card simply watches your kernel to make sure it doesn't freeze,
  1000. and if it does, it reboots your computer after a certain amount of
  1001. time. This driver is like the WDT501 driver but for different
  1002. hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
  1003. watchdog cards can be ordered from <http://www.berkprod.com/>.
  1004. To compile this driver as a module, choose M here: the
  1005. module will be called pcwd.
  1006. Most people will say N.
  1007. config MIXCOMWD
  1008. tristate "Mixcom Watchdog"
  1009. depends on ISA
  1010. ---help---
  1011. This is a driver for the Mixcom hardware watchdog cards. This
  1012. watchdog simply watches your kernel to make sure it doesn't freeze,
  1013. and if it does, it reboots your computer after a certain amount of
  1014. time.
  1015. To compile this driver as a module, choose M here: the
  1016. module will be called mixcomwd.
  1017. Most people will say N.
  1018. config WDT
  1019. tristate "WDT Watchdog timer"
  1020. depends on ISA
  1021. ---help---
  1022. If you have a WDT500P or WDT501P watchdog board, say Y here,
  1023. otherwise N. It is not possible to probe for this board, which means
  1024. that you have to inform the kernel about the IO port and IRQ that
  1025. is needed (you can do this via the io and irq parameters)
  1026. To compile this driver as a module, choose M here: the
  1027. module will be called wdt.
  1028. #
  1029. # PCI-based Watchdog Cards
  1030. #
  1031. comment "PCI-based Watchdog Cards"
  1032. depends on PCI
  1033. config PCIPCWATCHDOG
  1034. tristate "Berkshire Products PCI-PC Watchdog"
  1035. depends on PCI
  1036. ---help---
  1037. This is the driver for the Berkshire Products PCI-PC Watchdog card.
  1038. This card simply watches your kernel to make sure it doesn't freeze,
  1039. and if it does, it reboots your computer after a certain amount of
  1040. time. The card can also monitor the internal temperature of the PC.
  1041. More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
  1042. To compile this driver as a module, choose M here: the
  1043. module will be called pcwd_pci.
  1044. Most people will say N.
  1045. config WDTPCI
  1046. tristate "PCI-WDT500/501 Watchdog timer"
  1047. depends on PCI
  1048. ---help---
  1049. If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
  1050. If you have a PCI-WDT501 watchdog board then you can enable the
  1051. temperature sensor by setting the type parameter to 501.
  1052. If you want to enable the Fan Tachometer on the PCI-WDT501, then you
  1053. can do this via the tachometer parameter. Only do this if you have a
  1054. fan tachometer actually set up.
  1055. To compile this driver as a module, choose M here: the
  1056. module will be called wdt_pci.
  1057. #
  1058. # USB-based Watchdog Cards
  1059. #
  1060. comment "USB-based Watchdog Cards"
  1061. depends on USB
  1062. config USBPCWATCHDOG
  1063. tristate "Berkshire Products USB-PC Watchdog"
  1064. depends on USB
  1065. ---help---
  1066. This is the driver for the Berkshire Products USB-PC Watchdog card.
  1067. This card simply watches your kernel to make sure it doesn't freeze,
  1068. and if it does, it reboots your computer after a certain amount of
  1069. time. The card can also monitor the internal temperature of the PC.
  1070. More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
  1071. To compile this driver as a module, choose M here: the
  1072. module will be called pcwd_usb.
  1073. Most people will say N.
  1074. endif # WATCHDOG