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Linux/drivers/watchdog/Kconfig

  1 
  2 #
  3 # Watchdog device configuration
  4 #
  5 
  6 menuconfig WATCHDOG
  7         bool "Watchdog Timer Support"
  8         ---help---
  9           If you say Y here (and to one of the following options) and create a
 10           character special file /dev/watchdog with major number 10 and minor
 11           number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
 12           subsequently opening the file and then failing to write to it for
 13           longer than 1 minute will result in rebooting the machine. This
 14           could be useful for a networked machine that needs to come back
 15           on-line as fast as possible after a lock-up. There's both a watchdog
 16           implementation entirely in software (which can sometimes fail to
 17           reboot the machine) and a driver for hardware watchdog boards, which
 18           are more robust and can also keep track of the temperature inside
 19           your computer. For details, read
 20           <file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
 21 
 22           The watchdog is usually used together with the watchdog daemon
 23           which is available from
 24           <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
 25           also monitor NFS connections and can reboot the machine when the process
 26           table is full.
 27 
 28           If unsure, say N.
 29 
 30 if WATCHDOG
 31 
 32 config WATCHDOG_CORE
 33         bool "WatchDog Timer Driver Core"
 34         ---help---
 35           Say Y here if you want to use the new watchdog timer driver core.
 36           This driver provides a framework for all watchdog timer drivers
 37           and gives them the /dev/watchdog interface (and later also the
 38           sysfs interface).
 39 
 40 config WATCHDOG_NOWAYOUT
 41         bool "Disable watchdog shutdown on close"
 42         help
 43           The default watchdog behaviour (which you get if you say N here) is
 44           to stop the timer if the process managing it closes the file
 45           /dev/watchdog. It's always remotely possible that this process might
 46           get killed. If you say Y here, the watchdog cannot be stopped once
 47           it has been started.
 48 
 49 config WATCHDOG_SYSFS
 50         bool "Read different watchdog information through sysfs"
 51         default n
 52         help
 53           Say Y here if you want to enable watchdog device status read through
 54           sysfs attributes.
 55 
 56 #
 57 # General Watchdog drivers
 58 #
 59 
 60 comment "Watchdog Device Drivers"
 61 
 62 # Architecture Independent
 63 
 64 config SOFT_WATCHDOG
 65         tristate "Software watchdog"
 66         select WATCHDOG_CORE
 67         help
 68           A software monitoring watchdog. This will fail to reboot your system
 69           from some situations that the hardware watchdog will recover
 70           from. Equally it's a lot cheaper to install.
 71 
 72           To compile this driver as a module, choose M here: the
 73           module will be called softdog.
 74 
 75 config DA9052_WATCHDOG
 76         tristate "Dialog DA9052 Watchdog"
 77         depends on PMIC_DA9052
 78         select WATCHDOG_CORE
 79         help
 80           Support for the watchdog in the DA9052 PMIC. Watchdog trigger
 81           cause system reset.
 82 
 83           Say Y here to include support for the DA9052 watchdog.
 84           Alternatively say M to compile the driver as a module,
 85           which will be called da9052_wdt.
 86 
 87 config DA9055_WATCHDOG
 88         tristate "Dialog Semiconductor DA9055 Watchdog"
 89         depends on MFD_DA9055
 90         select WATCHDOG_CORE
 91         help
 92           If you say yes here you get support for watchdog on the Dialog
 93           Semiconductor DA9055 PMIC.
 94 
 95           This driver can also be built as a module.  If so, the module
 96           will be called da9055_wdt.
 97 
 98 config DA9063_WATCHDOG
 99         tristate "Dialog DA9063 Watchdog"
100         depends on MFD_DA9063
101         select WATCHDOG_CORE
102         help
103           Support for the watchdog in the DA9063 PMIC.
104 
105           This driver can be built as a module. The module name is da9063_wdt.
106 
107 config DA9062_WATCHDOG
108         tristate "Dialog DA9062 Watchdog"
109         depends on MFD_DA9062
110         select WATCHDOG_CORE
111         help
112           Support for the watchdog in the DA9062 PMIC.
113 
114           This driver can be built as a module. The module name is da9062_wdt.
115 
116 config GPIO_WATCHDOG
117         tristate "Watchdog device controlled through GPIO-line"
118         depends on OF_GPIO
119         select WATCHDOG_CORE
120         help
121           If you say yes here you get support for watchdog device
122           controlled through GPIO-line.
123 
124 config GPIO_WATCHDOG_ARCH_INITCALL
125         bool "Register the watchdog as early as possible"
126         depends on GPIO_WATCHDOG=y
127         help
128           In some situations, the default initcall level (module_init)
129           in not early enough in the boot process to avoid the watchdog
130           to be triggered.
131           If you say yes here, the initcall level would be raised to
132           arch_initcall.
133           If in doubt, say N.
134 
135 config MENF21BMC_WATCHDOG
136         tristate "MEN 14F021P00 BMC Watchdog"
137         depends on MFD_MENF21BMC
138         select WATCHDOG_CORE
139         help
140           Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
141 
142           This driver can also be built as a module. If so the module
143           will be called menf21bmc_wdt.
144 
145 config TANGOX_WATCHDOG
146         tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
147         select WATCHDOG_CORE
148         depends on ARCH_TANGO || COMPILE_TEST
149         depends on HAS_IOMEM
150         help
151           Support for the watchdog in Sigma Designs SMP86xx (tango3)
152           and SMP87xx (tango4) family chips.
153 
154           This driver can be built as a module. The module name is tangox_wdt.
155 
156 config WM831X_WATCHDOG
157         tristate "WM831x watchdog"
158         depends on MFD_WM831X
159         select WATCHDOG_CORE
160         help
161           Support for the watchdog in the WM831x AudioPlus PMICs.  When
162           the watchdog triggers the system will be reset.
163 
164 config WM8350_WATCHDOG
165         tristate "WM8350 watchdog"
166         depends on MFD_WM8350
167         select WATCHDOG_CORE
168         help
169           Support for the watchdog in the WM8350 AudioPlus PMIC.  When
170           the watchdog triggers the system will be reset.
171 
172 config XILINX_WATCHDOG
173         tristate "Xilinx Watchdog timer"
174         depends on HAS_IOMEM
175         select WATCHDOG_CORE
176         help
177           Watchdog driver for the xps_timebase_wdt ip core.
178 
179           To compile this driver as a module, choose M here: the
180           module will be called of_xilinx_wdt.
181 
182 config ZIIRAVE_WATCHDOG
183         tristate "Zodiac RAVE Watchdog Timer"
184         depends on I2C
185         select WATCHDOG_CORE
186         help
187           Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
188           Processor.
189 
190           To compile this driver as a module, choose M here: the
191           module will be called ziirave_wdt.
192 
193 # ALPHA Architecture
194 
195 # ARM Architecture
196 
197 config ARM_SP805_WATCHDOG
198         tristate "ARM SP805 Watchdog"
199         depends on (ARM || ARM64) && ARM_AMBA
200         select WATCHDOG_CORE
201         help
202           ARM Primecell SP805 Watchdog timer. This will reboot your system when
203           the timeout is reached.
204 
205 config ARM_SBSA_WATCHDOG
206         tristate "ARM SBSA Generic Watchdog"
207         depends on ARM64
208         depends on ARM_ARCH_TIMER
209         select WATCHDOG_CORE
210         help
211           ARM SBSA Generic Watchdog has two stage timeouts:
212           the first signal (WS0) is for alerting the system by interrupt,
213           the second one (WS1) is a real hardware reset.
214           More details: ARM DEN0029B - Server Base System Architecture (SBSA)
215 
216           This driver can operate ARM SBSA Generic Watchdog as a single stage
217           or a two stages watchdog, it depends on the module parameter "action".
218 
219           Note: the maximum timeout in the two stages mode is half of that in
220           the single stage mode.
221 
222           To compile this driver as module, choose M here: The module
223           will be called sbsa_gwdt.
224 
225 config ASM9260_WATCHDOG
226         tristate "Alphascale ASM9260 watchdog"
227         depends on MACH_ASM9260
228         depends on OF
229         select WATCHDOG_CORE
230         select RESET_CONTROLLER
231         help
232           Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
233           system when the timeout is reached.
234 
235 config AT91RM9200_WATCHDOG
236         tristate "AT91RM9200 watchdog"
237         depends on SOC_AT91RM9200 && MFD_SYSCON
238         help
239           Watchdog timer embedded into AT91RM9200 chips. This will reboot your
240           system when the timeout is reached.
241 
242 config AT91SAM9X_WATCHDOG
243         tristate "AT91SAM9X / AT91CAP9 watchdog"
244         depends on ARCH_AT91
245         select WATCHDOG_CORE
246         help
247           Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
248           reboot your system when the timeout is reached.
249 
250 config SAMA5D4_WATCHDOG
251         tristate "Atmel SAMA5D4 Watchdog Timer"
252         depends on ARCH_AT91
253         select WATCHDOG_CORE
254         help
255           Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
256           Its Watchdog Timer Mode Register can be written more than once.
257           This will reboot your system when the timeout is reached.
258 
259 config CADENCE_WATCHDOG
260         tristate "Cadence Watchdog Timer"
261         depends on HAS_IOMEM
262         select WATCHDOG_CORE
263         help
264           Say Y here if you want to include support for the watchdog
265           timer in the Xilinx Zynq.
266 
267 config 21285_WATCHDOG
268         tristate "DC21285 watchdog"
269         depends on FOOTBRIDGE
270         help
271           The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
272           here if you wish to use this. Alternatively say M to compile the
273           driver as a module, which will be called wdt285.
274 
275           This driver does not work on all machines. In particular, early CATS
276           boards have hardware problems that will cause the machine to simply
277           lock up if the watchdog fires.
278 
279           "If in doubt, leave it out" - say N.
280 
281 config 977_WATCHDOG
282         tristate "NetWinder WB83C977 watchdog"
283         depends on FOOTBRIDGE && ARCH_NETWINDER
284         help
285           Say Y here to include support for the WB977 watchdog included in
286           NetWinder machines. Alternatively say M to compile the driver as
287           a module, which will be called wdt977.
288 
289           Not sure? It's safe to say N.
290 
291 config IXP4XX_WATCHDOG
292         tristate "IXP4xx Watchdog"
293         depends on ARCH_IXP4XX
294         help
295           Say Y here if to include support for the watchdog timer
296           in the Intel IXP4xx network processors. This driver can
297           be built as a module by choosing M. The module will
298           be called ixp4xx_wdt.
299 
300           Note: The internal IXP4xx watchdog does a soft CPU reset
301           which doesn't reset any peripherals. There are circumstances
302           where the watchdog will fail to reset the board correctly
303           (e.g., if the boot ROM is in an unreadable state).
304 
305           Say N if you are unsure.
306 
307 config KS8695_WATCHDOG
308         tristate "KS8695 watchdog"
309         depends on ARCH_KS8695
310         help
311           Watchdog timer embedded into KS8695 processor. This will reboot your
312           system when the timeout is reached.
313 
314 config HAVE_S3C2410_WATCHDOG
315         bool
316         help
317           This will include watchdog timer support for Samsung SoCs. If
318           you want to include watchdog support for any machine, kindly
319           select this in the respective mach-XXXX/Kconfig file.
320 
321 config S3C2410_WATCHDOG
322         tristate "S3C2410 Watchdog"
323         depends on HAVE_S3C2410_WATCHDOG
324         select WATCHDOG_CORE
325         select MFD_SYSCON if ARCH_EXYNOS5
326         help
327           Watchdog timer block in the Samsung SoCs. This will reboot
328           the system when the timer expires with the watchdog enabled.
329 
330           The driver is limited by the speed of the system's PCLK
331           signal, so with reasonably fast systems (PCLK around 50-66MHz)
332           then watchdog intervals of over approximately 20seconds are
333           unavailable.
334 
335           The driver can be built as a module by choosing M, and will
336           be called s3c2410_wdt
337 
338 config SA1100_WATCHDOG
339         tristate "SA1100/PXA2xx watchdog"
340         depends on ARCH_SA1100 || ARCH_PXA
341         help
342           Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
343           reboot your system when timeout is reached.
344 
345           NOTE: once enabled, this timer cannot be disabled.
346 
347           To compile this driver as a module, choose M here: the
348           module will be called sa1100_wdt.
349 
350 config DW_WATCHDOG
351         tristate "Synopsys DesignWare watchdog"
352         depends on HAS_IOMEM
353         select WATCHDOG_CORE
354         help
355           Say Y here if to include support for the Synopsys DesignWare
356           watchdog timer found in many chips.
357           To compile this driver as a module, choose M here: the
358           module will be called dw_wdt.
359 
360 config EP93XX_WATCHDOG
361         tristate "EP93xx Watchdog"
362         depends on ARCH_EP93XX
363         select WATCHDOG_CORE
364         help
365           Say Y here if to include support for the watchdog timer
366           embedded in the Cirrus Logic EP93xx family of devices.
367 
368           To compile this driver as a module, choose M here: the
369           module will be called ep93xx_wdt.
370 
371 config OMAP_WATCHDOG
372         tristate "OMAP Watchdog"
373         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
374         select WATCHDOG_CORE
375         help
376           Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog.  Say 'Y'
377           here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
378 
379 config PNX4008_WATCHDOG
380         tristate "LPC32XX Watchdog"
381         depends on ARCH_LPC32XX
382         select WATCHDOG_CORE
383         help
384           Say Y here if to include support for the watchdog timer
385           in the LPC32XX processor.
386           This driver can be built as a module by choosing M. The module
387           will be called pnx4008_wdt.
388 
389           Say N if you are unsure.
390 
391 config IOP_WATCHDOG
392         tristate "IOP Watchdog"
393         depends on ARCH_IOP13XX
394         select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
395         help
396           Say Y here if to include support for the watchdog timer
397           in the Intel IOP3XX & IOP13XX I/O Processors.  This driver can
398           be built as a module by choosing M. The module will
399           be called iop_wdt.
400 
401           Note: The IOP13XX watchdog does an Internal Bus Reset which will
402           affect both cores and the peripherals of the IOP.  The ATU-X
403           and/or ATUe configuration registers will remain intact, but if
404           operating as an Root Complex and/or Central Resource, the PCI-X
405           and/or PCIe busses will also be reset.  THIS IS A VERY BIG HAMMER.
406 
407 config DAVINCI_WATCHDOG
408         tristate "DaVinci watchdog"
409         depends on ARCH_DAVINCI || ARCH_KEYSTONE
410         select WATCHDOG_CORE
411         help
412           Say Y here if to include support for the watchdog timer
413           in the DaVinci DM644x/DM646x or Keystone processors.
414           To compile this driver as a module, choose M here: the
415           module will be called davinci_wdt.
416 
417           NOTE: once enabled, this timer cannot be disabled.
418           Say N if you are unsure.
419 
420 config ORION_WATCHDOG
421         tristate "Orion watchdog"
422         depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
423         depends on ARM
424         select WATCHDOG_CORE
425         help
426           Say Y here if to include support for the watchdog timer
427           in the Marvell Orion5x and Kirkwood ARM SoCs.
428           To compile this driver as a module, choose M here: the
429           module will be called orion_wdt.
430 
431 config RN5T618_WATCHDOG
432         tristate "Ricoh RN5T618 watchdog"
433         depends on MFD_RN5T618
434         select WATCHDOG_CORE
435         help
436           If you say yes here you get support for watchdog on the Ricoh
437           RN5T618 PMIC.
438 
439           This driver can also be built as a module.  If so, the module
440           will be called rn5t618_wdt.
441 
442 config SUNXI_WATCHDOG
443         tristate "Allwinner SoCs watchdog support"
444         depends on ARCH_SUNXI
445         select WATCHDOG_CORE
446         help
447           Say Y here to include support for the watchdog timer
448           in Allwinner SoCs.
449           To compile this driver as a module, choose M here: the
450           module will be called sunxi_wdt.
451 
452 config COH901327_WATCHDOG
453         bool "ST-Ericsson COH 901 327 watchdog"
454         depends on ARCH_U300
455         default y if MACH_U300
456         select WATCHDOG_CORE
457         help
458           Say Y here to include Watchdog timer support for the
459           watchdog embedded into the ST-Ericsson U300 series platforms.
460           This watchdog is used to reset the system and thus cannot be
461           compiled as a module.
462 
463 config TWL4030_WATCHDOG
464         tristate "TWL4030 Watchdog"
465         depends on TWL4030_CORE
466         select WATCHDOG_CORE
467         help
468           Support for TI TWL4030 watchdog.  Say 'Y' here to enable the
469           watchdog timer support for TWL4030 chips.
470 
471 config STMP3XXX_RTC_WATCHDOG
472         tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
473         depends on RTC_DRV_STMP
474         select WATCHDOG_CORE
475         help
476           Say Y here to include support for the watchdog timer inside
477           the RTC for the STMP37XX/378X or i.MX23/28 SoC.
478           To compile this driver as a module, choose M here: the
479           module will be called stmp3xxx_rtc_wdt.
480 
481 config NUC900_WATCHDOG
482         tristate "Nuvoton NUC900 watchdog"
483         depends on ARCH_W90X900
484         help
485           Say Y here if to include support for the watchdog timer
486           for the Nuvoton NUC900 series SoCs.
487           To compile this driver as a module, choose M here: the
488           module will be called nuc900_wdt.
489 
490 config TS4800_WATCHDOG
491         tristate "TS-4800 Watchdog"
492         depends on HAS_IOMEM && OF
493         depends on SOC_IMX51 || COMPILE_TEST
494         select WATCHDOG_CORE
495         select MFD_SYSCON
496         help
497           Technologic Systems TS-4800 has watchdog timer implemented in
498           an external FPGA. Say Y here if you want to support for the
499           watchdog timer on TS-4800 board.
500 
501 config TS72XX_WATCHDOG
502         tristate "TS-72XX SBC Watchdog"
503         depends on MACH_TS72XX
504         help
505           Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
506           watchdog timer implemented in a external CPLD chip. Say Y here
507           if you want to support for the watchdog timer on TS-72XX boards.
508 
509           To compile this driver as a module, choose M here: the
510           module will be called ts72xx_wdt.
511 
512 config MAX63XX_WATCHDOG
513         tristate "Max63xx watchdog"
514         depends on HAS_IOMEM
515         select WATCHDOG_CORE
516         help
517           Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
518 
519 config IMX2_WDT
520         tristate "IMX2+ Watchdog"
521         depends on ARCH_MXC || ARCH_LAYERSCAPE
522         select REGMAP_MMIO
523         select WATCHDOG_CORE
524         help
525           This is the driver for the hardware watchdog
526           on the Freescale IMX2 and later processors.
527           If you have one of these processors and wish to have
528           watchdog support enabled, say Y, otherwise say N.
529 
530           To compile this driver as a module, choose M here: the
531           module will be called imx2_wdt.
532 
533 config UX500_WATCHDOG
534         tristate "ST-Ericsson Ux500 watchdog"
535         depends on MFD_DB8500_PRCMU
536         select WATCHDOG_CORE
537         default y
538         help
539           Say Y here to include Watchdog timer support for the watchdog
540           existing in the prcmu of ST-Ericsson Ux500 series platforms.
541 
542           To compile this driver as a module, choose M here: the
543           module will be called ux500_wdt.
544 
545 config RETU_WATCHDOG
546         tristate "Retu watchdog"
547         depends on MFD_RETU
548         select WATCHDOG_CORE
549         help
550           Retu watchdog driver for Nokia Internet Tablets (770, N800,
551           N810). At least on N800 the watchdog cannot be disabled, so
552           this driver is essential and you should enable it.
553 
554           To compile this driver as a module, choose M here: the
555           module will be called retu_wdt.
556 
557 config MOXART_WDT
558         tristate "MOXART watchdog"
559         depends on ARCH_MOXART
560         help
561           Say Y here to include Watchdog timer support for the watchdog
562           existing on the MOXA ART SoC series platforms.
563 
564           To compile this driver as a module, choose M here: the
565           module will be called moxart_wdt.
566 
567 config SIRFSOC_WATCHDOG
568         tristate "SiRFSOC watchdog"
569         depends on ARCH_SIRF
570         select WATCHDOG_CORE
571         default y
572         help
573           Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
574           the watchdog triggers the system will be reset.
575 
576 config ST_LPC_WATCHDOG
577         tristate "STMicroelectronics LPC Watchdog"
578         depends on ARCH_STI
579         depends on OF
580         select WATCHDOG_CORE
581         help
582           Say Y here to include STMicroelectronics Low Power Controller
583           (LPC) based Watchdog timer support.
584 
585           To compile this driver as a module, choose M here: the
586           module will be called st_lpc_wdt.
587 
588 config TEGRA_WATCHDOG
589         tristate "Tegra watchdog"
590         depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
591         select WATCHDOG_CORE
592         help
593           Say Y here to include support for the watchdog timer
594           embedded in NVIDIA Tegra SoCs.
595 
596           To compile this driver as a module, choose M here: the
597           module will be called tegra_wdt.
598 
599 config QCOM_WDT
600         tristate "QCOM watchdog"
601         depends on HAS_IOMEM
602         depends on ARCH_QCOM
603         select WATCHDOG_CORE
604         help
605           Say Y here to include Watchdog timer support for the watchdog found
606           on QCOM chipsets.  Currently supported targets are the MSM8960,
607           APQ8064, and IPQ8064.
608 
609           To compile this driver as a module, choose M here: the
610           module will be called qcom_wdt.
611 
612 config MESON_WATCHDOG
613         tristate "Amlogic Meson SoCs watchdog support"
614         depends on ARCH_MESON
615         select WATCHDOG_CORE
616         help
617           Say Y here to include support for the watchdog timer
618           in Amlogic Meson SoCs.
619           To compile this driver as a module, choose M here: the
620           module will be called meson_wdt.
621 
622 config MEDIATEK_WATCHDOG
623         tristate "Mediatek SoCs watchdog support"
624         depends on ARCH_MEDIATEK
625         select WATCHDOG_CORE
626         help
627           Say Y here to include support for the watchdog timer
628           in Mediatek SoCs.
629           To compile this driver as a module, choose M here: the
630           module will be called mtk_wdt.
631 
632 config DIGICOLOR_WATCHDOG
633         tristate "Conexant Digicolor SoCs watchdog support"
634         depends on ARCH_DIGICOLOR
635         select WATCHDOG_CORE
636         help
637           Say Y here to include support for the watchdog timer
638           in Conexant Digicolor SoCs.
639           To compile this driver as a module, choose M here: the
640           module will be called digicolor_wdt.
641 
642 config LPC18XX_WATCHDOG
643         tristate "LPC18xx/43xx Watchdog"
644         depends on ARCH_LPC18XX || COMPILE_TEST
645         depends on HAS_IOMEM
646         select WATCHDOG_CORE
647         help
648           Say Y here if to include support for the watchdog timer
649           in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
650           processors.
651           To compile this driver as a module, choose M here: the
652           module will be called lpc18xx_wdt.
653 
654 config ATLAS7_WATCHDOG
655         tristate "CSRatlas7 watchdog"
656         depends on ARCH_ATLAS7
657         help
658           Say Y here to include Watchdog timer support for the watchdog
659           existing on the CSRatlas7 series platforms.
660 
661           To compile this driver as a module, choose M here: the
662           module will be called atlas7_wdt.
663 
664 # AVR32 Architecture
665 
666 config AT32AP700X_WDT
667         tristate "AT32AP700x watchdog"
668         depends on CPU_AT32AP700X
669         help
670           Watchdog timer embedded into AT32AP700x devices. This will reboot
671           your system when the timeout is reached.
672 
673 # BLACKFIN Architecture
674 
675 config BFIN_WDT
676         tristate "Blackfin On-Chip Watchdog Timer"
677         depends on BLACKFIN
678         ---help---
679           If you say yes here you will get support for the Blackfin On-Chip
680           Watchdog Timer. If you have one of these processors and wish to
681           have watchdog support enabled, say Y, otherwise say N.
682 
683           To compile this driver as a module, choose M here: the
684           module will be called bfin_wdt.
685 
686 # CRIS Architecture
687 
688 # FRV Architecture
689 
690 # X86 (i386 + ia64 + x86_64) Architecture
691 
692 config ACQUIRE_WDT
693         tristate "Acquire SBC Watchdog Timer"
694         depends on X86
695         ---help---
696           This is the driver for the hardware watchdog on Single Board
697           Computers produced by Acquire Inc (and others). This watchdog
698           simply watches your kernel to make sure it doesn't freeze, and if
699           it does, it reboots your computer after a certain amount of time.
700 
701           To compile this driver as a module, choose M here: the
702           module will be called acquirewdt.
703 
704           Most people will say N.
705 
706 config ADVANTECH_WDT
707         tristate "Advantech SBC Watchdog Timer"
708         depends on X86
709         help
710           If you are configuring a Linux kernel for the Advantech single-board
711           computer, say `Y' here to support its built-in watchdog timer
712           feature. More information can be found at
713           <http://www.advantech.com.tw/products/>
714 
715 config ALIM1535_WDT
716         tristate "ALi M1535 PMU Watchdog Timer"
717         depends on X86 && PCI
718         ---help---
719           This is the driver for the hardware watchdog on the ALi M1535 PMU.
720 
721           To compile this driver as a module, choose M here: the
722           module will be called alim1535_wdt.
723 
724           Most people will say N.
725 
726 config ALIM7101_WDT
727         tristate "ALi M7101 PMU Computer Watchdog"
728         depends on PCI
729         help
730           This is the driver for the hardware watchdog on the ALi M7101 PMU
731           as used in the x86 Cobalt servers and also found in some
732           SPARC Netra servers too.
733 
734           To compile this driver as a module, choose M here: the
735           module will be called alim7101_wdt.
736 
737           Most people will say N.
738 
739 config EBC_C384_WDT
740         tristate "WinSystems EBC-C384 Watchdog Timer"
741         depends on X86
742         select WATCHDOG_CORE
743         help
744           Enables watchdog timer support for the watchdog timer on the
745           WinSystems EBC-C384 motherboard. The timeout may be configured via
746           the timeout module parameter.
747 
748 config F71808E_WDT
749         tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
750         depends on X86
751         help
752           This is the driver for the hardware watchdog on the Fintek
753           F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
754 
755           You can compile this driver directly into the kernel, or use
756           it as a module.  The module will be called f71808e_wdt.
757 
758 config SP5100_TCO
759         tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
760         depends on X86 && PCI
761         ---help---
762           Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
763           (Total Cost of Ownership) timer is a watchdog timer that will reboot
764           the machine after its expiration. The expiration time can be
765           configured with the "heartbeat" parameter.
766 
767           To compile this driver as a module, choose M here: the
768           module will be called sp5100_tco.
769 
770 config GEODE_WDT
771         tristate "AMD Geode CS5535/CS5536 Watchdog"
772         depends on CS5535_MFGPT
773         help
774           This driver enables a watchdog capability built into the
775           CS5535/CS5536 companion chips for the AMD Geode GX and LX
776           processors.  This watchdog watches your kernel to make sure
777           it doesn't freeze, and if it does, it reboots your computer after
778           a certain amount of time.
779 
780           You can compile this driver directly into the kernel, or use
781           it as a module.  The module will be called geodewdt.
782 
783 config SC520_WDT
784         tristate "AMD Elan SC520 processor Watchdog"
785         depends on MELAN
786         help
787           This is the driver for the hardware watchdog built in to the
788           AMD "Elan" SC520 microcomputer commonly used in embedded systems.
789           This watchdog simply watches your kernel to make sure it doesn't
790           freeze, and if it does, it reboots your computer after a certain
791           amount of time.
792 
793           You can compile this driver directly into the kernel, or use
794           it as a module.  The module will be called sc520_wdt.
795 
796 config SBC_FITPC2_WATCHDOG
797         tristate "Compulab SBC-FITPC2 watchdog"
798         depends on X86
799         ---help---
800           This is the driver for the built-in watchdog timer on the fit-PC2,
801           fit-PC2i, CM-iAM single-board computers made by Compulab.
802 
803           It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
804           When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
805 
806           Entering BIOS setup temporary disables watchdog operation regardless to current state,
807           so system will not be restarted while user in BIOS setup.
808 
809           Once watchdog was enabled the system will be restarted every
810           "Watchdog Timer Value" period, so to prevent it user can restart or
811           disable the watchdog.
812 
813           To compile this driver as a module, choose M here: the
814           module will be called sbc_fitpc2_wdt.
815 
816           Most people will say N.
817 
818 config EUROTECH_WDT
819         tristate "Eurotech CPU-1220/1410 Watchdog Timer"
820         depends on X86
821         help
822           Enable support for the watchdog timer on the Eurotech CPU-1220 and
823           CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
824           information are at <http://www.eurotech.it/>.
825 
826 config IB700_WDT
827         tristate "IB700 SBC Watchdog Timer"
828         depends on X86
829         ---help---
830           This is the driver for the hardware watchdog on the IB700 Single
831           Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
832           simply watches your kernel to make sure it doesn't freeze, and if
833           it does, it reboots your computer after a certain amount of time.
834 
835           This driver is like the WDT501 driver but for slightly different hardware.
836 
837           To compile this driver as a module, choose M here: the
838           module will be called ib700wdt.
839 
840           Most people will say N.
841 
842 config IBMASR
843         tristate "IBM Automatic Server Restart"
844         depends on X86
845         help
846           This is the driver for the IBM Automatic Server Restart watchdog
847           timer built-in into some eServer xSeries machines.
848 
849           To compile this driver as a module, choose M here: the
850           module will be called ibmasr.
851 
852 config WAFER_WDT
853         tristate "ICP Single Board Computer Watchdog Timer"
854         depends on X86
855         help
856           This is a driver for the hardware watchdog on the ICP Single
857           Board Computer. This driver is working on (at least) the following
858           IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
859 
860           To compile this driver as a module, choose M here: the
861           module will be called wafer5823wdt.
862 
863 config I6300ESB_WDT
864         tristate "Intel 6300ESB Timer/Watchdog"
865         depends on PCI
866         ---help---
867           Hardware driver for the watchdog timer built into the Intel
868           6300ESB controller hub.
869 
870           To compile this driver as a module, choose M here: the
871           module will be called i6300esb.
872 
873 config IE6XX_WDT
874         tristate "Intel Atom E6xx Watchdog"
875         depends on X86 && PCI
876         select WATCHDOG_CORE
877         select MFD_CORE
878         select LPC_SCH
879         ---help---
880           Hardware driver for the watchdog timer built into the Intel
881           Atom E6XX (TunnelCreek) processor.
882 
883           To compile this driver as a module, choose M here: the
884           module will be called ie6xx_wdt.
885 
886 config INTEL_SCU_WATCHDOG
887         bool "Intel SCU Watchdog for Mobile Platforms"
888         depends on X86_INTEL_MID
889         ---help---
890           Hardware driver for the watchdog time built into the Intel SCU
891           for Intel Mobile Platforms.
892 
893           To compile this driver as a module, choose M here.
894 
895 config INTEL_MID_WATCHDOG
896         tristate "Intel MID Watchdog Timer"
897         depends on X86_INTEL_MID
898         select WATCHDOG_CORE
899         ---help---
900           Watchdog timer driver built into the Intel SCU for Intel MID
901           Platforms.
902 
903           This driver currently supports only the watchdog evolution
904           implementation in SCU, available for Merrifield generation.
905 
906           To compile this driver as a module, choose M here.
907 
908 config ITCO_WDT
909         tristate "Intel TCO Timer/Watchdog"
910         depends on (X86 || IA64) && PCI
911         select WATCHDOG_CORE
912         depends on I2C || I2C=n
913         select LPC_ICH if !EXPERT
914         select I2C_I801 if !EXPERT && I2C
915         ---help---
916           Hardware driver for the intel TCO timer based watchdog devices.
917           These drivers are included in the Intel 82801 I/O Controller
918           Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
919           controller hub.
920 
921           The TCO (Total Cost of Ownership) timer is a watchdog timer
922           that will reboot the machine after its second expiration. The
923           expiration time can be configured with the "heartbeat" parameter.
924 
925           On some motherboards the driver may fail to reset the chipset's
926           NO_REBOOT flag which prevents the watchdog from rebooting the
927           machine. If this is the case you will get a kernel message like
928           "failed to reset NO_REBOOT flag, reboot disabled by hardware".
929 
930           To compile this driver as a module, choose M here: the
931           module will be called iTCO_wdt.
932 
933 config ITCO_VENDOR_SUPPORT
934         bool "Intel TCO Timer/Watchdog Specific Vendor Support"
935         depends on ITCO_WDT
936         ---help---
937           Add vendor specific support to the intel TCO timer based watchdog
938           devices. At this moment we only have additional support for some
939           SuperMicro Inc. motherboards.
940 
941 config IT8712F_WDT
942         tristate "IT8712F (Smart Guardian) Watchdog Timer"
943         depends on X86
944         ---help---
945           This is the driver for the built-in watchdog timer on the IT8712F
946           Super I/0 chipset used on many motherboards.
947 
948           If the driver does not work, then make sure that the game port in
949           the BIOS is enabled.
950 
951           To compile this driver as a module, choose M here: the
952           module will be called it8712f_wdt.
953 
954 config IT87_WDT
955         tristate "IT87 Watchdog Timer"
956         depends on X86
957         ---help---
958           This is the driver for the hardware watchdog on the ITE IT8702,
959           IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
960           Super I/O chips.
961 
962           If the driver does not work, then make sure that the game port in
963           the BIOS is enabled.
964 
965           This watchdog simply watches your kernel to make sure it doesn't
966           freeze, and if it does, it reboots your computer after a certain
967           amount of time.
968 
969           To compile this driver as a module, choose M here: the module will
970           be called it87_wdt.
971 
972 config HP_WATCHDOG
973         tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
974         depends on X86 && PCI
975         help
976           A software monitoring watchdog and NMI sourcing driver. This driver
977           will detect lockups and provide a stack trace. This is a driver that
978           will only load on an HP ProLiant system with a minimum of iLO2 support.
979           To compile this driver as a module, choose M here: the module will be
980           called hpwdt.
981 
982 config KEMPLD_WDT
983         tristate "Kontron COM Watchdog Timer"
984         depends on MFD_KEMPLD
985         select WATCHDOG_CORE
986         help
987           Support for the PLD watchdog on some Kontron ETX and COMexpress
988           (ETXexpress) modules
989 
990           This driver can also be built as a module. If so, the module will be
991           called kempld_wdt.
992 
993 config HPWDT_NMI_DECODING
994         bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
995         depends on HP_WATCHDOG
996         default y
997         help
998           When an NMI occurs this feature will make the necessary BIOS calls to
999           log the cause of the NMI.
1000 
1001 config SC1200_WDT
1002         tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1003         depends on X86
1004         help
1005           This is a driver for National Semiconductor PC87307/PC97307 hardware
1006           watchdog cards as found on the SC1200. This watchdog is mainly used
1007           for power management purposes and can be used to power down the device
1008           during inactivity periods (includes interrupt activity monitoring).
1009 
1010           To compile this driver as a module, choose M here: the
1011           module will be called sc1200wdt.
1012 
1013           Most people will say N.
1014 
1015 config SCx200_WDT
1016         tristate "National Semiconductor SCx200 Watchdog"
1017         depends on SCx200 && PCI
1018         help
1019           Enable the built-in watchdog timer support on the National
1020           Semiconductor SCx200 processors.
1021 
1022           If compiled as a module, it will be called scx200_wdt.
1023 
1024 config PC87413_WDT
1025         tristate "NS PC87413 watchdog"
1026         depends on X86
1027         ---help---
1028           This is the driver for the hardware watchdog on the PC87413 chipset
1029           This watchdog simply watches your kernel to make sure it doesn't
1030           freeze, and if it does, it reboots your computer after a certain
1031           amount of time.
1032 
1033           To compile this driver as a module, choose M here: the
1034           module will be called pc87413_wdt.
1035 
1036           Most people will say N.
1037 
1038 config NV_TCO
1039         tristate "nVidia TCO Timer/Watchdog"
1040         depends on X86 && PCI
1041         ---help---
1042           Hardware driver for the TCO timer built into the nVidia Hub family
1043           (such as the MCP51).  The TCO (Total Cost of Ownership) timer is a
1044           watchdog timer that will reboot the machine after its second
1045           expiration. The expiration time can be configured with the
1046           "heartbeat" parameter.
1047 
1048           On some motherboards the driver may fail to reset the chipset's
1049           NO_REBOOT flag which prevents the watchdog from rebooting the
1050           machine. If this is the case you will get a kernel message like
1051           "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1052 
1053           To compile this driver as a module, choose M here: the
1054           module will be called nv_tco.
1055 
1056 config RDC321X_WDT
1057         tristate "RDC R-321x SoC watchdog"
1058         depends on X86_RDC321X
1059         help
1060           This is the driver for the built in hardware watchdog
1061           in the RDC R-321x SoC.
1062 
1063           To compile this driver as a module, choose M here: the
1064           module will be called rdc321x_wdt.
1065 
1066 config 60XX_WDT
1067         tristate "SBC-60XX Watchdog Timer"
1068         depends on X86
1069         help
1070           This driver can be used with the watchdog timer found on some
1071           single board computers, namely the 6010 PII based computer.
1072           It may well work with other cards.  It reads port 0x443 to enable
1073           and re-set the watchdog timer, and reads port 0x45 to disable
1074           the watchdog.  If you have a card that behave in similar ways,
1075           you can probably make this driver work with your card as well.
1076 
1077           You can compile this driver directly into the kernel, or use
1078           it as a module.  The module will be called sbc60xxwdt.
1079 
1080 config SBC8360_WDT
1081         tristate "SBC8360 Watchdog Timer"
1082         depends on X86_32
1083         ---help---
1084 
1085           This is the driver for the hardware watchdog on the SBC8360 Single
1086           Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1087 
1088           To compile this driver as a module, choose M here: the
1089           module will be called sbc8360.
1090 
1091           Most people will say N.
1092 
1093 config SBC7240_WDT
1094         tristate "SBC Nano 7240 Watchdog Timer"
1095         depends on X86_32 && !UML
1096         ---help---
1097           This is the driver for the hardware watchdog found on the IEI
1098           single board computers EPIC Nano 7240 (and likely others). This
1099           watchdog simply watches your kernel to make sure it doesn't freeze,
1100           and if it does, it reboots your computer after a certain amount of
1101           time.
1102 
1103           To compile this driver as a module, choose M here: the
1104           module will be called sbc7240_wdt.
1105 
1106 config CPU5_WDT
1107         tristate "SMA CPU5 Watchdog"
1108         depends on X86
1109         ---help---
1110           TBD.
1111           To compile this driver as a module, choose M here: the
1112           module will be called cpu5wdt.
1113 
1114 config SMSC_SCH311X_WDT
1115         tristate "SMSC SCH311X Watchdog Timer"
1116         depends on X86
1117         ---help---
1118           This is the driver for the hardware watchdog timer on the
1119           SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1120           (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1121           serial ports).
1122 
1123           To compile this driver as a module, choose M here: the
1124           module will be called sch311x_wdt.
1125 
1126 config SMSC37B787_WDT
1127         tristate "Winbond SMsC37B787 Watchdog Timer"
1128         depends on X86
1129         ---help---
1130           This is the driver for the hardware watchdog component on the
1131           Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1132           from Vision Systems and maybe others.
1133 
1134           This watchdog simply watches your kernel to make sure it doesn't
1135           freeze, and if it does, it reboots your computer after a certain
1136           amount of time.
1137 
1138           Usually a userspace daemon will notify the kernel WDT driver that
1139           userspace is still alive, at regular intervals.
1140 
1141           To compile this driver as a module, choose M here: the
1142           module will be called smsc37b787_wdt.
1143 
1144           Most people will say N.
1145 
1146 config VIA_WDT
1147         tristate "VIA Watchdog Timer"
1148         depends on X86 && PCI
1149         select WATCHDOG_CORE
1150         ---help---
1151         This is the driver for the hardware watchdog timer on VIA
1152         southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1153 
1154         To compile this driver as a module, choose M here; the module
1155         will be called via_wdt.
1156 
1157         Most people will say N.
1158 
1159 config W83627HF_WDT
1160         tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1161         depends on X86
1162         select WATCHDOG_CORE
1163         ---help---
1164           This is the driver for the hardware watchdog on the following
1165           Super I/O chips.
1166                 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1167                 W83637HF
1168                 W83667HG/HG-B
1169                 W83687THF
1170                 W83697HF
1171                 W83697UG
1172                 NCT6775
1173                 NCT6776
1174                 NCT6779
1175                 NCT6791
1176                 NCT6792
1177                 NCT6102D/04D/06D
1178 
1179           This watchdog simply watches your kernel to make sure it doesn't
1180           freeze, and if it does, it reboots your computer after a certain
1181           amount of time.
1182 
1183           To compile this driver as a module, choose M here: the
1184           module will be called w83627hf_wdt.
1185 
1186           Most people will say N.
1187 
1188 config W83877F_WDT
1189         tristate "W83877F (EMACS) Watchdog Timer"
1190         depends on X86
1191         ---help---
1192           This is the driver for the hardware watchdog on the W83877F chipset
1193           as used in EMACS PC-104 motherboards (and likely others).  This
1194           watchdog simply watches your kernel to make sure it doesn't freeze,
1195           and if it does, it reboots your computer after a certain amount of
1196           time.
1197 
1198           To compile this driver as a module, choose M here: the
1199           module will be called w83877f_wdt.
1200 
1201           Most people will say N.
1202 
1203 config W83977F_WDT
1204         tristate "W83977F (PCM-5335) Watchdog Timer"
1205         depends on X86
1206         ---help---
1207           This is the driver for the hardware watchdog on the W83977F I/O chip
1208           as used in AAEON's PCM-5335 SBC (and likely others).  This
1209           watchdog simply watches your kernel to make sure it doesn't freeze,
1210           and if it does, it reboots your computer after a certain amount of
1211           time.
1212 
1213           To compile this driver as a module, choose M here: the
1214           module will be called w83977f_wdt.
1215 
1216 config MACHZ_WDT
1217         tristate "ZF MachZ Watchdog"
1218         depends on X86
1219         ---help---
1220           If you are using a ZF Micro MachZ processor, say Y here, otherwise
1221           N.  This is the driver for the watchdog timer built-in on that
1222           processor using ZF-Logic interface.  This watchdog simply watches
1223           your kernel to make sure it doesn't freeze, and if it does, it
1224           reboots your computer after a certain amount of time.
1225 
1226           To compile this driver as a module, choose M here: the
1227           module will be called machzwd.
1228 
1229 config SBC_EPX_C3_WATCHDOG
1230         tristate "Winsystems SBC EPX-C3 watchdog"
1231         depends on X86
1232         ---help---
1233           This is the driver for the built-in watchdog timer on the EPX-C3
1234           Single-board computer made by Winsystems, Inc.
1235 
1236           *Note*: This hardware watchdog is not probeable and thus there
1237           is no way to know if writing to its IO address will corrupt
1238           your system or have any real effect.  The only way to be sure
1239           that this driver does what you want is to make sure you
1240           are running it on an EPX-C3 from Winsystems with the watchdog
1241           timer at IO address 0x1ee and 0x1ef.  It will write to both those
1242           IO ports.  Basically, the assumption is made that if you compile
1243           this driver into your kernel and/or load it as a module, that you
1244           know what you are doing and that you are in fact running on an
1245           EPX-C3 board!
1246 
1247           To compile this driver as a module, choose M here: the
1248           module will be called sbc_epx_c3.
1249 
1250 config INTEL_MEI_WDT
1251         tristate "Intel MEI iAMT Watchdog"
1252         depends on INTEL_MEI && X86
1253         select WATCHDOG_CORE
1254         ---help---
1255           A device driver for the Intel MEI iAMT watchdog.
1256 
1257           The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1258           Whenever the OS hangs or crashes, iAMT will send an event
1259           to any subscriber to this event. The watchdog doesn't reset the
1260           the platform.
1261 
1262           To compile this driver as a module, choose M here:
1263           the module will be called mei_wdt.
1264 
1265 config NI903X_WDT
1266         tristate "NI 903x/913x Watchdog"
1267         depends on X86 && ACPI
1268         select WATCHDOG_CORE
1269         ---help---
1270           This is the driver for the watchdog timer on the National Instruments
1271           903x/913x real-time controllers.
1272 
1273           To compile this driver as a module, choose M here: the module will be
1274           called ni903x_wdt.
1275 
1276 # M32R Architecture
1277 
1278 # M68K Architecture
1279 
1280 config M54xx_WATCHDOG
1281         tristate "MCF54xx watchdog support"
1282         depends on M548x
1283         help
1284           To compile this driver as a module, choose M here: the
1285           module will be called m54xx_wdt.
1286 
1287 # MicroBlaze Architecture
1288 
1289 # MIPS Architecture
1290 
1291 config ATH79_WDT
1292         tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1293         depends on ATH79
1294         help
1295           Hardware driver for the built-in watchdog timer on the Atheros
1296           AR71XX/AR724X/AR913X SoCs.
1297 
1298 config BCM47XX_WDT
1299         tristate "Broadcom BCM47xx Watchdog Timer"
1300         depends on BCM47XX || ARCH_BCM_5301X
1301         select WATCHDOG_CORE
1302         help
1303           Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1304 
1305 config RC32434_WDT
1306         tristate "IDT RC32434 SoC Watchdog Timer"
1307         depends on MIKROTIK_RB532
1308         help
1309           Hardware driver for the IDT RC32434 SoC built-in
1310           watchdog timer.
1311 
1312           To compile this driver as a module, choose M here: the
1313           module will be called rc32434_wdt.
1314 
1315 config INDYDOG
1316         tristate "Indy/I2 Hardware Watchdog"
1317         depends on SGI_HAS_INDYDOG
1318         help
1319           Hardware driver for the Indy's/I2's watchdog. This is a
1320           watchdog timer that will reboot the machine after a 60 second
1321           timer expired and no process has written to /dev/watchdog during
1322           that time.
1323 
1324 config JZ4740_WDT
1325         tristate "Ingenic jz4740 SoC hardware watchdog"
1326         depends on MACH_JZ4740
1327         select WATCHDOG_CORE
1328         help
1329           Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1330 
1331 config WDT_MTX1
1332         tristate "MTX-1 Hardware Watchdog"
1333         depends on MIPS_MTX1
1334         help
1335           Hardware driver for the MTX-1 boards. This is a watchdog timer that
1336           will reboot the machine after a 100 seconds timer expired.
1337 
1338 config PNX833X_WDT
1339         tristate "PNX833x Hardware Watchdog"
1340         depends on SOC_PNX8335
1341         help
1342           Hardware driver for the PNX833x's watchdog. This is a
1343           watchdog timer that will reboot the machine after a programmable
1344           timer has expired and no process has written to /dev/watchdog during
1345           that time.
1346 
1347 config SIBYTE_WDOG
1348         tristate "Sibyte SoC hardware watchdog"
1349         depends on CPU_SB1
1350         help
1351           Watchdog driver for the built in watchdog hardware in Sibyte
1352           SoC processors.  There are apparently two watchdog timers
1353           on such processors; this driver supports only the first one,
1354           because currently Linux only supports exporting one watchdog
1355           to userspace.
1356 
1357           To compile this driver as a loadable module, choose M here.
1358           The module will be called sb_wdog.
1359 
1360 config AR7_WDT
1361         tristate "TI AR7 Watchdog Timer"
1362         depends on AR7
1363         help
1364           Hardware driver for the TI AR7 Watchdog Timer.
1365 
1366 config TXX9_WDT
1367         tristate "Toshiba TXx9 Watchdog Timer"
1368         depends on CPU_TX39XX || CPU_TX49XX
1369         select WATCHDOG_CORE
1370         help
1371           Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1372 
1373 config OCTEON_WDT
1374         tristate "Cavium OCTEON SOC family Watchdog Timer"
1375         depends on CAVIUM_OCTEON_SOC
1376         default y
1377         select WATCHDOG_CORE
1378         select EXPORT_UASM if OCTEON_WDT = m
1379         help
1380           Hardware driver for OCTEON's on chip watchdog timer.
1381           Enables the watchdog for all cores running Linux. It
1382           installs a NMI handler and pokes the watchdog based on an
1383           interrupt.  On first expiration of the watchdog, the
1384           interrupt handler pokes it.  The second expiration causes an
1385           NMI that prints a message. The third expiration causes a
1386           global soft reset.
1387 
1388           When userspace has /dev/watchdog open, no poking is done
1389           from the first interrupt, it is then only poked when the
1390           device is written.
1391 
1392 config BCM63XX_WDT
1393         tristate "Broadcom BCM63xx hardware watchdog"
1394         depends on BCM63XX
1395         help
1396           Watchdog driver for the built in watchdog hardware in Broadcom
1397           BCM63xx SoC.
1398 
1399           To compile this driver as a loadable module, choose M here.
1400           The module will be called bcm63xx_wdt.
1401 
1402 config BCM2835_WDT
1403         tristate "Broadcom BCM2835 hardware watchdog"
1404         depends on ARCH_BCM2835
1405         select WATCHDOG_CORE
1406         help
1407           Watchdog driver for the built in watchdog hardware in Broadcom
1408           BCM2835 SoC.
1409 
1410           To compile this driver as a loadable module, choose M here.
1411           The module will be called bcm2835_wdt.
1412 
1413 config BCM_KONA_WDT
1414         tristate "BCM Kona Watchdog"
1415         depends on ARCH_BCM_MOBILE
1416         select WATCHDOG_CORE
1417         help
1418           Support for the watchdog timer on the following Broadcom BCM281xx
1419           family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1420           BCM28155 variants.
1421 
1422           Say 'Y' or 'M' here to enable the driver. The module will be called
1423           bcm_kona_wdt.
1424 
1425 config BCM_KONA_WDT_DEBUG
1426         bool "DEBUGFS support for BCM Kona Watchdog"
1427         depends on BCM_KONA_WDT
1428         help
1429           If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1430           access to the driver's internal data structures as well as watchdog
1431           timer hardware registres.
1432 
1433           If in doubt, say 'N'.
1434 
1435 config BCM7038_WDT
1436         tristate "BCM7038 Watchdog"
1437         select WATCHDOG_CORE
1438         depends on HAS_IOMEM
1439         depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1440         help
1441          Watchdog driver for the built-in hardware in Broadcom 7038 and
1442          later SoCs used in set-top boxes.  BCM7038 was made public
1443          during the 2004 CES, and since then, many Broadcom chips use this
1444          watchdog block, including some cable modem chips.
1445 
1446 config IMGPDC_WDT
1447         tristate "Imagination Technologies PDC Watchdog Timer"
1448         depends on HAS_IOMEM
1449         depends on METAG || MIPS || COMPILE_TEST
1450         select WATCHDOG_CORE
1451         help
1452           Driver for Imagination Technologies PowerDown Controller
1453           Watchdog Timer.
1454 
1455           To compile this driver as a loadable module, choose M here.
1456           The module will be called imgpdc_wdt.
1457 
1458 config LANTIQ_WDT
1459         tristate "Lantiq SoC watchdog"
1460         depends on LANTIQ
1461         help
1462           Hardware driver for the Lantiq SoC Watchdog Timer.
1463 
1464 config RALINK_WDT
1465         tristate "Ralink SoC watchdog"
1466         select WATCHDOG_CORE
1467         depends on RALINK
1468         help
1469           Hardware driver for the Ralink SoC Watchdog Timer.
1470 
1471 config MT7621_WDT
1472         tristate "Mediatek SoC watchdog"
1473         select WATCHDOG_CORE
1474         depends on SOC_MT7620 || SOC_MT7621
1475         help
1476           Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1477 
1478 # PARISC Architecture
1479 
1480 # POWERPC Architecture
1481 
1482 config GEF_WDT
1483         tristate "GE Watchdog Timer"
1484         depends on GE_FPGA
1485         ---help---
1486           Watchdog timer found in a number of GE single board computers.
1487 
1488 config MPC5200_WDT
1489         bool "MPC52xx Watchdog Timer"
1490         depends on PPC_MPC52xx
1491         help
1492           Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1493 
1494 config 8xxx_WDT
1495         tristate "MPC8xxx Platform Watchdog Timer"
1496         depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1497         select WATCHDOG_CORE
1498         help
1499           This driver is for a SoC level watchdog that exists on some
1500           Freescale PowerPC processors. So far this driver supports:
1501           - MPC8xx watchdogs
1502           - MPC83xx watchdogs
1503           - MPC86xx watchdogs
1504 
1505           For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1506 
1507 config MV64X60_WDT
1508         tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1509         depends on MV64X60
1510 
1511 config PIKA_WDT
1512         tristate "PIKA FPGA Watchdog"
1513         depends on WARP
1514         default y
1515         help
1516           This enables the watchdog in the PIKA FPGA. Currently used on
1517           the Warp platform.
1518 
1519 config BOOKE_WDT
1520         tristate "PowerPC Book-E Watchdog Timer"
1521         depends on BOOKE || 4xx
1522         select WATCHDOG_CORE
1523         ---help---
1524           Watchdog driver for PowerPC Book-E chips, such as the Freescale
1525           MPC85xx SOCs and the IBM PowerPC 440.
1526 
1527           Please see Documentation/watchdog/watchdog-api.txt for
1528           more information.
1529 
1530 config BOOKE_WDT_DEFAULT_TIMEOUT
1531         int "PowerPC Book-E Watchdog Timer Default Timeout"
1532         depends on BOOKE_WDT
1533         default 38 if PPC_FSL_BOOK3E
1534         range 0 63 if PPC_FSL_BOOK3E
1535         default 3 if !PPC_FSL_BOOK3E
1536         range 0 3 if !PPC_FSL_BOOK3E
1537         help
1538           Select the default watchdog timer period to be used by the PowerPC
1539           Book-E watchdog driver.  A watchdog "event" occurs when the bit
1540           position represented by this number transitions from zero to one.
1541 
1542           For Freescale Book-E processors, this is a number between 0 and 63.
1543           For other Book-E processors, this is a number between 0 and 3.
1544 
1545           The value can be overridden by the wdt_period command-line parameter.
1546 
1547 config MEN_A21_WDT
1548        tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1549        select WATCHDOG_CORE
1550        depends on GPIOLIB || COMPILE_TEST
1551        help
1552         Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1553 
1554         The driver can also be built as a module. If so, the module will be
1555         called mena21_wdt.
1556 
1557         If unsure select N here.
1558 
1559 # PPC64 Architecture
1560 
1561 config WATCHDOG_RTAS
1562         tristate "RTAS watchdog"
1563         depends on PPC_RTAS
1564         help
1565           This driver adds watchdog support for the RTAS watchdog.
1566 
1567           To compile this driver as a module, choose M here. The module
1568           will be called wdrtas.
1569 
1570 # S390 Architecture
1571 
1572 config DIAG288_WATCHDOG
1573         tristate "System z diag288 Watchdog"
1574         depends on S390
1575         select WATCHDOG_CORE
1576         help
1577           IBM s/390 and zSeries machines running under z/VM 5.1 or later
1578           provide a virtual watchdog timer to their guest that cause a
1579           user define Control Program command to be executed after a
1580           timeout.
1581           LPAR provides a very similar interface. This driver handles
1582           both.
1583 
1584           To compile this driver as a module, choose M here. The module
1585           will be called diag288_wdt.
1586 
1587 # SUPERH (sh + sh64) Architecture
1588 
1589 config SH_WDT
1590         tristate "SuperH Watchdog"
1591         depends on SUPERH && (CPU_SH3 || CPU_SH4)
1592         select WATCHDOG_CORE
1593         help
1594           This driver adds watchdog support for the integrated watchdog in the
1595           SuperH processors. If you have one of these processors and wish
1596           to have watchdog support enabled, say Y, otherwise say N.
1597 
1598           As a side note, saying Y here will automatically boost HZ to 1000
1599           so that the timer has a chance to clear the overflow counter. On
1600           slower systems (such as the SH-2 and SH-3) this will likely yield
1601           some performance issues. As such, the WDT should be avoided here
1602           unless it is absolutely necessary.
1603 
1604           To compile this driver as a module, choose M here: the
1605           module will be called shwdt.
1606 
1607 # SPARC Architecture
1608 
1609 # SPARC64 Architecture
1610 
1611 config WATCHDOG_CP1XXX
1612         tristate "CP1XXX Hardware Watchdog support"
1613         depends on SPARC64 && PCI
1614         ---help---
1615           This is the driver for the hardware watchdog timers present on
1616           Sun Microsystems CompactPCI models CP1400 and CP1500.
1617 
1618           To compile this driver as a module, choose M here: the
1619           module will be called cpwatchdog.
1620 
1621           If you do not have a CompactPCI model CP1400 or CP1500, or
1622           another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1623           you should say N to this option.
1624 
1625 config WATCHDOG_RIO
1626         tristate "RIO Hardware Watchdog support"
1627         depends on SPARC64 && PCI
1628         help
1629           Say Y here to support the hardware watchdog capability on Sun RIO
1630           machines.  The watchdog timeout period is normally one minute but
1631           can be changed with a boot-time parameter.
1632 
1633 config WATCHDOG_SUN4V
1634         tristate "Sun4v Watchdog support"
1635         select WATCHDOG_CORE
1636         depends on SPARC64
1637         help
1638           Say Y here to support the hypervisor watchdog capability embedded
1639           in the SPARC sun4v architecture.
1640 
1641           To compile this driver as a module, choose M here. The module will
1642           be called sun4v_wdt.
1643 
1644 # XTENSA Architecture
1645 
1646 # Xen Architecture
1647 
1648 config XEN_WDT
1649         tristate "Xen Watchdog support"
1650         depends on XEN
1651         help
1652           Say Y here to support the hypervisor watchdog capability provided
1653           by Xen 4.0 and newer.  The watchdog timeout period is normally one
1654           minute but can be changed with a boot-time parameter.
1655 
1656 config UML_WATCHDOG
1657         tristate "UML watchdog"
1658         depends on UML
1659 
1660 #
1661 # ISA-based Watchdog Cards
1662 #
1663 
1664 comment "ISA-based Watchdog Cards"
1665         depends on ISA
1666 
1667 config PCWATCHDOG
1668         tristate "Berkshire Products ISA-PC Watchdog"
1669         depends on ISA
1670         ---help---
1671           This is the driver for the Berkshire Products ISA-PC Watchdog card.
1672           This card simply watches your kernel to make sure it doesn't freeze,
1673           and if it does, it reboots your computer after a certain amount of
1674           time. This driver is like the WDT501 driver but for different
1675           hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1676           watchdog cards can be ordered from <http://www.berkprod.com/>.
1677 
1678           To compile this driver as a module, choose M here: the
1679           module will be called pcwd.
1680 
1681           Most people will say N.
1682 
1683 config MIXCOMWD
1684         tristate "Mixcom Watchdog"
1685         depends on ISA
1686         ---help---
1687           This is a driver for the Mixcom hardware watchdog cards.  This
1688           watchdog simply watches your kernel to make sure it doesn't freeze,
1689           and if it does, it reboots your computer after a certain amount of
1690           time.
1691 
1692           To compile this driver as a module, choose M here: the
1693           module will be called mixcomwd.
1694 
1695           Most people will say N.
1696 
1697 config WDT
1698         tristate "WDT Watchdog timer"
1699         depends on ISA
1700         ---help---
1701           If you have a WDT500P or WDT501P watchdog board, say Y here,
1702           otherwise N. It is not possible to probe for this board, which means
1703           that you have to inform the kernel about the IO port and IRQ that
1704           is needed (you can do this via the io and irq parameters)
1705 
1706           To compile this driver as a module, choose M here: the
1707           module will be called wdt.
1708 
1709 #
1710 # PCI-based Watchdog Cards
1711 #
1712 
1713 comment "PCI-based Watchdog Cards"
1714         depends on PCI
1715 
1716 config PCIPCWATCHDOG
1717         tristate "Berkshire Products PCI-PC Watchdog"
1718         depends on PCI
1719         ---help---
1720           This is the driver for the Berkshire Products PCI-PC Watchdog card.
1721           This card simply watches your kernel to make sure it doesn't freeze,
1722           and if it does, it reboots your computer after a certain amount of
1723           time. The card can also monitor the internal temperature of the PC.
1724           More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1725 
1726           To compile this driver as a module, choose M here: the
1727           module will be called pcwd_pci.
1728 
1729           Most people will say N.
1730 
1731 config WDTPCI
1732         tristate "PCI-WDT500/501 Watchdog timer"
1733         depends on PCI
1734         ---help---
1735           If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1736 
1737           If you have a PCI-WDT501 watchdog board then you can enable the
1738           temperature sensor by setting the type parameter to 501.
1739 
1740           If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1741           can do this via the tachometer parameter. Only do this if you have a
1742           fan tachometer actually set up.
1743 
1744           To compile this driver as a module, choose M here: the
1745           module will be called wdt_pci.
1746 
1747 #
1748 # USB-based Watchdog Cards
1749 #
1750 
1751 comment "USB-based Watchdog Cards"
1752         depends on USB
1753 
1754 config USBPCWATCHDOG
1755         tristate "Berkshire Products USB-PC Watchdog"
1756         depends on USB
1757         ---help---
1758           This is the driver for the Berkshire Products USB-PC Watchdog card.
1759           This card simply watches your kernel to make sure it doesn't freeze,
1760           and if it does, it reboots your computer after a certain amount of
1761           time. The card can also monitor the internal temperature of the PC.
1762           More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1763 
1764           To compile this driver as a module, choose M here: the
1765           module will be called pcwd_usb.
1766 
1767           Most people will say N.
1768 
1769 endif # WATCHDOG

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