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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 help
52 Say Y here if you want to enable watchdog device status read through
53 sysfs attributes.
54
55 #
56 # General Watchdog drivers
57 #
58
59 comment "Watchdog Device Drivers"
60
61 # Architecture Independent
62
63 config SOFT_WATCHDOG
64 tristate "Software watchdog"
65 select WATCHDOG_CORE
66 help
67 A software monitoring watchdog. This will fail to reboot your system
68 from some situations that the hardware watchdog will recover
69 from. Equally it's a lot cheaper to install.
70
71 To compile this driver as a module, choose M here: the
72 module will be called softdog.
73
74 config DA9052_WATCHDOG
75 tristate "Dialog DA9052 Watchdog"
76 depends on PMIC_DA9052
77 select WATCHDOG_CORE
78 help
79 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
80 cause system reset.
81
82 Say Y here to include support for the DA9052 watchdog.
83 Alternatively say M to compile the driver as a module,
84 which will be called da9052_wdt.
85
86 config DA9055_WATCHDOG
87 tristate "Dialog Semiconductor DA9055 Watchdog"
88 depends on MFD_DA9055
89 select WATCHDOG_CORE
90 help
91 If you say yes here you get support for watchdog on the Dialog
92 Semiconductor DA9055 PMIC.
93
94 This driver can also be built as a module. If so, the module
95 will be called da9055_wdt.
96
97 config DA9063_WATCHDOG
98 tristate "Dialog DA9063 Watchdog"
99 depends on MFD_DA9063
100 select WATCHDOG_CORE
101 help
102 Support for the watchdog in the DA9063 PMIC.
103
104 This driver can be built as a module. The module name is da9063_wdt.
105
106 config DA9062_WATCHDOG
107 tristate "Dialog DA9062 Watchdog"
108 depends on MFD_DA9062
109 select WATCHDOG_CORE
110 help
111 Support for the watchdog in the DA9062 PMIC.
112
113 This driver can be built as a module. The module name is da9062_wdt.
114
115 config GPIO_WATCHDOG
116 tristate "Watchdog device controlled through GPIO-line"
117 depends on OF_GPIO
118 select WATCHDOG_CORE
119 help
120 If you say yes here you get support for watchdog device
121 controlled through GPIO-line.
122
123 config GPIO_WATCHDOG_ARCH_INITCALL
124 bool "Register the watchdog as early as possible"
125 depends on GPIO_WATCHDOG=y
126 help
127 In some situations, the default initcall level (module_init)
128 in not early enough in the boot process to avoid the watchdog
129 to be triggered.
130 If you say yes here, the initcall level would be raised to
131 arch_initcall.
132 If in doubt, say N.
133
134 config MENF21BMC_WATCHDOG
135 tristate "MEN 14F021P00 BMC Watchdog"
136 depends on MFD_MENF21BMC
137 select WATCHDOG_CORE
138 help
139 Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
140
141 This driver can also be built as a module. If so the module
142 will be called menf21bmc_wdt.
143
144 config TANGOX_WATCHDOG
145 tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
146 select WATCHDOG_CORE
147 depends on ARCH_TANGO || COMPILE_TEST
148 depends on HAS_IOMEM
149 help
150 Support for the watchdog in Sigma Designs SMP86xx (tango3)
151 and SMP87xx (tango4) family chips.
152
153 This driver can be built as a module. The module name is tangox_wdt.
154
155 config WDAT_WDT
156 tristate "ACPI Watchdog Action Table (WDAT)"
157 depends on ACPI
158 select ACPI_WATCHDOG
159 help
160 This driver adds support for systems with ACPI Watchdog Action
161 Table (WDAT) table. Servers typically have this but it can be
162 found on some desktop machines as well. This driver will take
163 over the native iTCO watchdog driver found on many Intel CPUs.
164
165 To compile this driver as module, choose M here: the module will
166 be called wdat_wdt.
167
168 config WM831X_WATCHDOG
169 tristate "WM831x watchdog"
170 depends on MFD_WM831X
171 select WATCHDOG_CORE
172 help
173 Support for the watchdog in the WM831x AudioPlus PMICs. When
174 the watchdog triggers the system will be reset.
175
176 config WM8350_WATCHDOG
177 tristate "WM8350 watchdog"
178 depends on MFD_WM8350
179 select WATCHDOG_CORE
180 help
181 Support for the watchdog in the WM8350 AudioPlus PMIC. When
182 the watchdog triggers the system will be reset.
183
184 config XILINX_WATCHDOG
185 tristate "Xilinx Watchdog timer"
186 depends on HAS_IOMEM
187 select WATCHDOG_CORE
188 help
189 Watchdog driver for the xps_timebase_wdt ip core.
190
191 To compile this driver as a module, choose M here: the
192 module will be called of_xilinx_wdt.
193
194 config ZIIRAVE_WATCHDOG
195 tristate "Zodiac RAVE Watchdog Timer"
196 depends on I2C
197 select WATCHDOG_CORE
198 help
199 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
200 Processor.
201
202 To compile this driver as a module, choose M here: the
203 module will be called ziirave_wdt.
204
205 # ALPHA Architecture
206
207 # ARM Architecture
208
209 config ARM_SP805_WATCHDOG
210 tristate "ARM SP805 Watchdog"
211 depends on (ARM || ARM64) && ARM_AMBA
212 select WATCHDOG_CORE
213 help
214 ARM Primecell SP805 Watchdog timer. This will reboot your system when
215 the timeout is reached.
216
217 config ARM_SBSA_WATCHDOG
218 tristate "ARM SBSA Generic Watchdog"
219 depends on ARM64
220 depends on ARM_ARCH_TIMER
221 select WATCHDOG_CORE
222 help
223 ARM SBSA Generic Watchdog has two stage timeouts:
224 the first signal (WS0) is for alerting the system by interrupt,
225 the second one (WS1) is a real hardware reset.
226 More details: ARM DEN0029B - Server Base System Architecture (SBSA)
227
228 This driver can operate ARM SBSA Generic Watchdog as a single stage
229 or a two stages watchdog, it depends on the module parameter "action".
230
231 Note: the maximum timeout in the two stages mode is half of that in
232 the single stage mode.
233
234 To compile this driver as module, choose M here: The module
235 will be called sbsa_gwdt.
236
237 config ASM9260_WATCHDOG
238 tristate "Alphascale ASM9260 watchdog"
239 depends on MACH_ASM9260
240 depends on OF
241 select WATCHDOG_CORE
242 select RESET_CONTROLLER
243 help
244 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
245 system when the timeout is reached.
246
247 config AT91RM9200_WATCHDOG
248 tristate "AT91RM9200 watchdog"
249 depends on SOC_AT91RM9200 && MFD_SYSCON
250 help
251 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
252 system when the timeout is reached.
253
254 config AT91SAM9X_WATCHDOG
255 tristate "AT91SAM9X / AT91CAP9 watchdog"
256 depends on ARCH_AT91
257 select WATCHDOG_CORE
258 help
259 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
260 reboot your system when the timeout is reached.
261
262 config SAMA5D4_WATCHDOG
263 tristate "Atmel SAMA5D4 Watchdog Timer"
264 depends on ARCH_AT91
265 select WATCHDOG_CORE
266 help
267 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
268 Its Watchdog Timer Mode Register can be written more than once.
269 This will reboot your system when the timeout is reached.
270
271 config CADENCE_WATCHDOG
272 tristate "Cadence Watchdog Timer"
273 depends on HAS_IOMEM
274 select WATCHDOG_CORE
275 help
276 Say Y here if you want to include support for the watchdog
277 timer in the Xilinx Zynq.
278
279 config 21285_WATCHDOG
280 tristate "DC21285 watchdog"
281 depends on FOOTBRIDGE
282 help
283 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
284 here if you wish to use this. Alternatively say M to compile the
285 driver as a module, which will be called wdt285.
286
287 This driver does not work on all machines. In particular, early CATS
288 boards have hardware problems that will cause the machine to simply
289 lock up if the watchdog fires.
290
291 "If in doubt, leave it out" - say N.
292
293 config 977_WATCHDOG
294 tristate "NetWinder WB83C977 watchdog"
295 depends on FOOTBRIDGE && ARCH_NETWINDER
296 help
297 Say Y here to include support for the WB977 watchdog included in
298 NetWinder machines. Alternatively say M to compile the driver as
299 a module, which will be called wdt977.
300
301 Not sure? It's safe to say N.
302
303 config IXP4XX_WATCHDOG
304 tristate "IXP4xx Watchdog"
305 depends on ARCH_IXP4XX
306 help
307 Say Y here if to include support for the watchdog timer
308 in the Intel IXP4xx network processors. This driver can
309 be built as a module by choosing M. The module will
310 be called ixp4xx_wdt.
311
312 Note: The internal IXP4xx watchdog does a soft CPU reset
313 which doesn't reset any peripherals. There are circumstances
314 where the watchdog will fail to reset the board correctly
315 (e.g., if the boot ROM is in an unreadable state).
316
317 Say N if you are unsure.
318
319 config KS8695_WATCHDOG
320 tristate "KS8695 watchdog"
321 depends on ARCH_KS8695
322 help
323 Watchdog timer embedded into KS8695 processor. This will reboot your
324 system when the timeout is reached.
325
326 config HAVE_S3C2410_WATCHDOG
327 bool
328 help
329 This will include watchdog timer support for Samsung SoCs. If
330 you want to include watchdog support for any machine, kindly
331 select this in the respective mach-XXXX/Kconfig file.
332
333 config S3C2410_WATCHDOG
334 tristate "S3C2410 Watchdog"
335 depends on HAVE_S3C2410_WATCHDOG
336 select WATCHDOG_CORE
337 select MFD_SYSCON if ARCH_EXYNOS5
338 help
339 Watchdog timer block in the Samsung SoCs. This will reboot
340 the system when the timer expires with the watchdog enabled.
341
342 The driver is limited by the speed of the system's PCLK
343 signal, so with reasonably fast systems (PCLK around 50-66MHz)
344 then watchdog intervals of over approximately 20seconds are
345 unavailable.
346
347 The driver can be built as a module by choosing M, and will
348 be called s3c2410_wdt
349
350 config SA1100_WATCHDOG
351 tristate "SA1100/PXA2xx watchdog"
352 depends on ARCH_SA1100 || ARCH_PXA
353 help
354 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
355 reboot your system when timeout is reached.
356
357 NOTE: once enabled, this timer cannot be disabled.
358
359 To compile this driver as a module, choose M here: the
360 module will be called sa1100_wdt.
361
362 config DW_WATCHDOG
363 tristate "Synopsys DesignWare watchdog"
364 depends on HAS_IOMEM
365 select WATCHDOG_CORE
366 help
367 Say Y here if to include support for the Synopsys DesignWare
368 watchdog timer found in many chips.
369 To compile this driver as a module, choose M here: the
370 module will be called dw_wdt.
371
372 config EP93XX_WATCHDOG
373 tristate "EP93xx Watchdog"
374 depends on ARCH_EP93XX
375 select WATCHDOG_CORE
376 help
377 Say Y here if to include support for the watchdog timer
378 embedded in the Cirrus Logic EP93xx family of devices.
379
380 To compile this driver as a module, choose M here: the
381 module will be called ep93xx_wdt.
382
383 config OMAP_WATCHDOG
384 tristate "OMAP Watchdog"
385 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
386 select WATCHDOG_CORE
387 help
388 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
389 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
390
391 config PNX4008_WATCHDOG
392 tristate "LPC32XX Watchdog"
393 depends on ARCH_LPC32XX
394 select WATCHDOG_CORE
395 help
396 Say Y here if to include support for the watchdog timer
397 in the LPC32XX processor.
398 This driver can be built as a module by choosing M. The module
399 will be called pnx4008_wdt.
400
401 Say N if you are unsure.
402
403 config IOP_WATCHDOG
404 tristate "IOP Watchdog"
405 depends on ARCH_IOP13XX
406 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
407 help
408 Say Y here if to include support for the watchdog timer
409 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
410 be built as a module by choosing M. The module will
411 be called iop_wdt.
412
413 Note: The IOP13XX watchdog does an Internal Bus Reset which will
414 affect both cores and the peripherals of the IOP. The ATU-X
415 and/or ATUe configuration registers will remain intact, but if
416 operating as an Root Complex and/or Central Resource, the PCI-X
417 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
418
419 config DAVINCI_WATCHDOG
420 tristate "DaVinci watchdog"
421 depends on ARCH_DAVINCI || ARCH_KEYSTONE
422 select WATCHDOG_CORE
423 help
424 Say Y here if to include support for the watchdog timer
425 in the DaVinci DM644x/DM646x or Keystone processors.
426 To compile this driver as a module, choose M here: the
427 module will be called davinci_wdt.
428
429 NOTE: once enabled, this timer cannot be disabled.
430 Say N if you are unsure.
431
432 config ORION_WATCHDOG
433 tristate "Orion watchdog"
434 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
435 depends on ARM
436 select WATCHDOG_CORE
437 help
438 Say Y here if to include support for the watchdog timer
439 in the Marvell Orion5x and Kirkwood ARM SoCs.
440 To compile this driver as a module, choose M here: the
441 module will be called orion_wdt.
442
443 config RN5T618_WATCHDOG
444 tristate "Ricoh RN5T618 watchdog"
445 depends on MFD_RN5T618
446 select WATCHDOG_CORE
447 help
448 If you say yes here you get support for watchdog on the Ricoh
449 RN5T618 PMIC.
450
451 This driver can also be built as a module. If so, the module
452 will be called rn5t618_wdt.
453
454 config SUNXI_WATCHDOG
455 tristate "Allwinner SoCs watchdog support"
456 depends on ARCH_SUNXI
457 select WATCHDOG_CORE
458 help
459 Say Y here to include support for the watchdog timer
460 in Allwinner SoCs.
461 To compile this driver as a module, choose M here: the
462 module will be called sunxi_wdt.
463
464 config COH901327_WATCHDOG
465 bool "ST-Ericsson COH 901 327 watchdog"
466 depends on ARCH_U300
467 default y if MACH_U300
468 select WATCHDOG_CORE
469 help
470 Say Y here to include Watchdog timer support for the
471 watchdog embedded into the ST-Ericsson U300 series platforms.
472 This watchdog is used to reset the system and thus cannot be
473 compiled as a module.
474
475 config TWL4030_WATCHDOG
476 tristate "TWL4030 Watchdog"
477 depends on TWL4030_CORE
478 select WATCHDOG_CORE
479 help
480 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
481 watchdog timer support for TWL4030 chips.
482
483 config STMP3XXX_RTC_WATCHDOG
484 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
485 depends on RTC_DRV_STMP
486 select WATCHDOG_CORE
487 help
488 Say Y here to include support for the watchdog timer inside
489 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
490 To compile this driver as a module, choose M here: the
491 module will be called stmp3xxx_rtc_wdt.
492
493 config NUC900_WATCHDOG
494 tristate "Nuvoton NUC900 watchdog"
495 depends on ARCH_W90X900
496 help
497 Say Y here if to include support for the watchdog timer
498 for the Nuvoton NUC900 series SoCs.
499 To compile this driver as a module, choose M here: the
500 module will be called nuc900_wdt.
501
502 config TS4800_WATCHDOG
503 tristate "TS-4800 Watchdog"
504 depends on HAS_IOMEM && OF
505 depends on SOC_IMX51 || COMPILE_TEST
506 select WATCHDOG_CORE
507 select MFD_SYSCON
508 help
509 Technologic Systems TS-4800 has watchdog timer implemented in
510 an external FPGA. Say Y here if you want to support for the
511 watchdog timer on TS-4800 board.
512
513 config TS72XX_WATCHDOG
514 tristate "TS-72XX SBC Watchdog"
515 depends on MACH_TS72XX
516 help
517 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
518 watchdog timer implemented in a external CPLD chip. Say Y here
519 if you want to support for the watchdog timer on TS-72XX boards.
520
521 To compile this driver as a module, choose M here: the
522 module will be called ts72xx_wdt.
523
524 config MAX63XX_WATCHDOG
525 tristate "Max63xx watchdog"
526 depends on HAS_IOMEM
527 select WATCHDOG_CORE
528 help
529 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
530
531 config MAX77620_WATCHDOG
532 tristate "Maxim Max77620 Watchdog Timer"
533 depends on MFD_MAX77620
534 help
535 This is the driver for the Max77620 watchdog timer.
536 Say 'Y' here to enable the watchdog timer support for
537 MAX77620 chips. To compile this driver as a module,
538 choose M here: the module will be called max77620_wdt.
539
540 config IMX2_WDT
541 tristate "IMX2+ Watchdog"
542 depends on ARCH_MXC || ARCH_LAYERSCAPE
543 select REGMAP_MMIO
544 select WATCHDOG_CORE
545 help
546 This is the driver for the hardware watchdog
547 on the Freescale IMX2 and later processors.
548 If you have one of these processors and wish to have
549 watchdog support enabled, say Y, otherwise say N.
550
551 To compile this driver as a module, choose M here: the
552 module will be called imx2_wdt.
553
554 config UX500_WATCHDOG
555 tristate "ST-Ericsson Ux500 watchdog"
556 depends on MFD_DB8500_PRCMU
557 select WATCHDOG_CORE
558 default y
559 help
560 Say Y here to include Watchdog timer support for the watchdog
561 existing in the prcmu of ST-Ericsson Ux500 series platforms.
562
563 To compile this driver as a module, choose M here: the
564 module will be called ux500_wdt.
565
566 config RETU_WATCHDOG
567 tristate "Retu watchdog"
568 depends on MFD_RETU
569 select WATCHDOG_CORE
570 help
571 Retu watchdog driver for Nokia Internet Tablets (770, N800,
572 N810). At least on N800 the watchdog cannot be disabled, so
573 this driver is essential and you should enable it.
574
575 To compile this driver as a module, choose M here: the
576 module will be called retu_wdt.
577
578 config MOXART_WDT
579 tristate "MOXART watchdog"
580 depends on ARCH_MOXART
581 help
582 Say Y here to include Watchdog timer support for the watchdog
583 existing on the MOXA ART SoC series platforms.
584
585 To compile this driver as a module, choose M here: the
586 module will be called moxart_wdt.
587
588 config SIRFSOC_WATCHDOG
589 tristate "SiRFSOC watchdog"
590 depends on ARCH_SIRF
591 select WATCHDOG_CORE
592 default y
593 help
594 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
595 the watchdog triggers the system will be reset.
596
597 config ST_LPC_WATCHDOG
598 tristate "STMicroelectronics LPC Watchdog"
599 depends on ARCH_STI
600 depends on OF
601 select WATCHDOG_CORE
602 help
603 Say Y here to include STMicroelectronics Low Power Controller
604 (LPC) based Watchdog timer support.
605
606 To compile this driver as a module, choose M here: the
607 module will be called st_lpc_wdt.
608
609 config TEGRA_WATCHDOG
610 tristate "Tegra watchdog"
611 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
612 select WATCHDOG_CORE
613 help
614 Say Y here to include support for the watchdog timer
615 embedded in NVIDIA Tegra SoCs.
616
617 To compile this driver as a module, choose M here: the
618 module will be called tegra_wdt.
619
620 config QCOM_WDT
621 tristate "QCOM watchdog"
622 depends on HAS_IOMEM
623 depends on ARCH_QCOM
624 select WATCHDOG_CORE
625 help
626 Say Y here to include Watchdog timer support for the watchdog found
627 on QCOM chipsets. Currently supported targets are the MSM8960,
628 APQ8064, and IPQ8064.
629
630 To compile this driver as a module, choose M here: the
631 module will be called qcom_wdt.
632
633 config MESON_GXBB_WATCHDOG
634 tristate "Amlogic Meson GXBB SoCs watchdog support"
635 depends on ARCH_MESON
636 select WATCHDOG_CORE
637 help
638 Say Y here to include support for the watchdog timer
639 in Amlogic Meson GXBB SoCs.
640 To compile this driver as a module, choose M here: the
641 module will be called meson_gxbb_wdt.
642
643 config MESON_WATCHDOG
644 tristate "Amlogic Meson SoCs watchdog support"
645 depends on ARCH_MESON
646 select WATCHDOG_CORE
647 help
648 Say Y here to include support for the watchdog timer
649 in Amlogic Meson SoCs.
650 To compile this driver as a module, choose M here: the
651 module will be called meson_wdt.
652
653 config MEDIATEK_WATCHDOG
654 tristate "Mediatek SoCs watchdog support"
655 depends on ARCH_MEDIATEK
656 select WATCHDOG_CORE
657 help
658 Say Y here to include support for the watchdog timer
659 in Mediatek SoCs.
660 To compile this driver as a module, choose M here: the
661 module will be called mtk_wdt.
662
663 config DIGICOLOR_WATCHDOG
664 tristate "Conexant Digicolor SoCs watchdog support"
665 depends on ARCH_DIGICOLOR
666 select WATCHDOG_CORE
667 help
668 Say Y here to include support for the watchdog timer
669 in Conexant Digicolor SoCs.
670 To compile this driver as a module, choose M here: the
671 module will be called digicolor_wdt.
672
673 config LPC18XX_WATCHDOG
674 tristate "LPC18xx/43xx Watchdog"
675 depends on ARCH_LPC18XX || COMPILE_TEST
676 depends on HAS_IOMEM
677 select WATCHDOG_CORE
678 help
679 Say Y here if to include support for the watchdog timer
680 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
681 processors.
682 To compile this driver as a module, choose M here: the
683 module will be called lpc18xx_wdt.
684
685 config ATLAS7_WATCHDOG
686 tristate "CSRatlas7 watchdog"
687 depends on ARCH_ATLAS7
688 help
689 Say Y here to include Watchdog timer support for the watchdog
690 existing on the CSRatlas7 series platforms.
691
692 To compile this driver as a module, choose M here: the
693 module will be called atlas7_wdt.
694
695 config RENESAS_WDT
696 tristate "Renesas WDT Watchdog"
697 depends on ARCH_RENESAS || COMPILE_TEST
698 select WATCHDOG_CORE
699 help
700 This driver adds watchdog support for the integrated watchdogs in the
701 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
702
703 config ASPEED_WATCHDOG
704 tristate "Aspeed 2400 watchdog support"
705 depends on ARCH_ASPEED || COMPILE_TEST
706 select WATCHDOG_CORE
707 help
708 Say Y here to include support for the watchdog timer
709 in Apseed BMC SoCs.
710
711 This driver is required to reboot the SoC.
712
713 To compile this driver as a module, choose M here: the
714 module will be called aspeed_wdt.
715
716 # AVR32 Architecture
717
718 config AT32AP700X_WDT
719 tristate "AT32AP700x watchdog"
720 depends on CPU_AT32AP700X
721 help
722 Watchdog timer embedded into AT32AP700x devices. This will reboot
723 your system when the timeout is reached.
724
725 # BLACKFIN Architecture
726
727 config BFIN_WDT
728 tristate "Blackfin On-Chip Watchdog Timer"
729 depends on BLACKFIN
730 ---help---
731 If you say yes here you will get support for the Blackfin On-Chip
732 Watchdog Timer. If you have one of these processors and wish to
733 have watchdog support enabled, say Y, otherwise say N.
734
735 To compile this driver as a module, choose M here: the
736 module will be called bfin_wdt.
737
738 # CRIS Architecture
739
740 # FRV Architecture
741
742 # X86 (i386 + ia64 + x86_64) Architecture
743
744 config ACQUIRE_WDT
745 tristate "Acquire SBC Watchdog Timer"
746 depends on X86
747 ---help---
748 This is the driver for the hardware watchdog on Single Board
749 Computers produced by Acquire Inc (and others). This watchdog
750 simply watches your kernel to make sure it doesn't freeze, and if
751 it does, it reboots your computer after a certain amount of time.
752
753 To compile this driver as a module, choose M here: the
754 module will be called acquirewdt.
755
756 Most people will say N.
757
758 config ADVANTECH_WDT
759 tristate "Advantech SBC Watchdog Timer"
760 depends on X86
761 help
762 If you are configuring a Linux kernel for the Advantech single-board
763 computer, say `Y' here to support its built-in watchdog timer
764 feature. More information can be found at
765 <http://www.advantech.com.tw/products/>
766
767 config ALIM1535_WDT
768 tristate "ALi M1535 PMU Watchdog Timer"
769 depends on X86 && PCI
770 ---help---
771 This is the driver for the hardware watchdog on the ALi M1535 PMU.
772
773 To compile this driver as a module, choose M here: the
774 module will be called alim1535_wdt.
775
776 Most people will say N.
777
778 config ALIM7101_WDT
779 tristate "ALi M7101 PMU Computer Watchdog"
780 depends on PCI
781 help
782 This is the driver for the hardware watchdog on the ALi M7101 PMU
783 as used in the x86 Cobalt servers and also found in some
784 SPARC Netra servers too.
785
786 To compile this driver as a module, choose M here: the
787 module will be called alim7101_wdt.
788
789 Most people will say N.
790
791 config EBC_C384_WDT
792 tristate "WinSystems EBC-C384 Watchdog Timer"
793 depends on X86 && ISA_BUS_API
794 select WATCHDOG_CORE
795 help
796 Enables watchdog timer support for the watchdog timer on the
797 WinSystems EBC-C384 motherboard. The timeout may be configured via
798 the timeout module parameter.
799
800 config F71808E_WDT
801 tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
802 depends on X86
803 help
804 This is the driver for the hardware watchdog on the Fintek
805 F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
806
807 You can compile this driver directly into the kernel, or use
808 it as a module. The module will be called f71808e_wdt.
809
810 config SP5100_TCO
811 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
812 depends on X86 && PCI
813 ---help---
814 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
815 (Total Cost of Ownership) timer is a watchdog timer that will reboot
816 the machine after its expiration. The expiration time can be
817 configured with the "heartbeat" parameter.
818
819 To compile this driver as a module, choose M here: the
820 module will be called sp5100_tco.
821
822 config GEODE_WDT
823 tristate "AMD Geode CS5535/CS5536 Watchdog"
824 depends on CS5535_MFGPT
825 help
826 This driver enables a watchdog capability built into the
827 CS5535/CS5536 companion chips for the AMD Geode GX and LX
828 processors. This watchdog watches your kernel to make sure
829 it doesn't freeze, and if it does, it reboots your computer after
830 a certain amount of time.
831
832 You can compile this driver directly into the kernel, or use
833 it as a module. The module will be called geodewdt.
834
835 config SC520_WDT
836 tristate "AMD Elan SC520 processor Watchdog"
837 depends on MELAN
838 help
839 This is the driver for the hardware watchdog built in to the
840 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
841 This watchdog simply watches your kernel to make sure it doesn't
842 freeze, and if it does, it reboots your computer after a certain
843 amount of time.
844
845 You can compile this driver directly into the kernel, or use
846 it as a module. The module will be called sc520_wdt.
847
848 config SBC_FITPC2_WATCHDOG
849 tristate "Compulab SBC-FITPC2 watchdog"
850 depends on X86
851 ---help---
852 This is the driver for the built-in watchdog timer on the fit-PC2,
853 fit-PC2i, CM-iAM single-board computers made by Compulab.
854
855 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
856 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
857
858 Entering BIOS setup temporary disables watchdog operation regardless to current state,
859 so system will not be restarted while user in BIOS setup.
860
861 Once watchdog was enabled the system will be restarted every
862 "Watchdog Timer Value" period, so to prevent it user can restart or
863 disable the watchdog.
864
865 To compile this driver as a module, choose M here: the
866 module will be called sbc_fitpc2_wdt.
867
868 Most people will say N.
869
870 config EUROTECH_WDT
871 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
872 depends on X86
873 help
874 Enable support for the watchdog timer on the Eurotech CPU-1220 and
875 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
876 information are at <http://www.eurotech.it/>.
877
878 config IB700_WDT
879 tristate "IB700 SBC Watchdog Timer"
880 depends on X86
881 ---help---
882 This is the driver for the hardware watchdog on the IB700 Single
883 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
884 simply watches your kernel to make sure it doesn't freeze, and if
885 it does, it reboots your computer after a certain amount of time.
886
887 This driver is like the WDT501 driver but for slightly different hardware.
888
889 To compile this driver as a module, choose M here: the
890 module will be called ib700wdt.
891
892 Most people will say N.
893
894 config IBMASR
895 tristate "IBM Automatic Server Restart"
896 depends on X86
897 help
898 This is the driver for the IBM Automatic Server Restart watchdog
899 timer built-in into some eServer xSeries machines.
900
901 To compile this driver as a module, choose M here: the
902 module will be called ibmasr.
903
904 config WAFER_WDT
905 tristate "ICP Single Board Computer Watchdog Timer"
906 depends on X86
907 help
908 This is a driver for the hardware watchdog on the ICP Single
909 Board Computer. This driver is working on (at least) the following
910 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
911
912 To compile this driver as a module, choose M here: the
913 module will be called wafer5823wdt.
914
915 config I6300ESB_WDT
916 tristate "Intel 6300ESB Timer/Watchdog"
917 depends on PCI
918 ---help---
919 Hardware driver for the watchdog timer built into the Intel
920 6300ESB controller hub.
921
922 To compile this driver as a module, choose M here: the
923 module will be called i6300esb.
924
925 config IE6XX_WDT
926 tristate "Intel Atom E6xx Watchdog"
927 depends on X86 && PCI
928 select WATCHDOG_CORE
929 select MFD_CORE
930 select LPC_SCH
931 ---help---
932 Hardware driver for the watchdog timer built into the Intel
933 Atom E6XX (TunnelCreek) processor.
934
935 To compile this driver as a module, choose M here: the
936 module will be called ie6xx_wdt.
937
938 config INTEL_SCU_WATCHDOG
939 bool "Intel SCU Watchdog for Mobile Platforms"
940 depends on X86_INTEL_MID
941 ---help---
942 Hardware driver for the watchdog time built into the Intel SCU
943 for Intel Mobile Platforms.
944
945 To compile this driver as a module, choose M here.
946
947 config INTEL_MID_WATCHDOG
948 tristate "Intel MID Watchdog Timer"
949 depends on X86_INTEL_MID
950 select WATCHDOG_CORE
951 ---help---
952 Watchdog timer driver built into the Intel SCU for Intel MID
953 Platforms.
954
955 This driver currently supports only the watchdog evolution
956 implementation in SCU, available for Merrifield generation.
957
958 To compile this driver as a module, choose M here.
959
960 config ITCO_WDT
961 tristate "Intel TCO Timer/Watchdog"
962 depends on (X86 || IA64) && PCI
963 select WATCHDOG_CORE
964 depends on I2C || I2C=n
965 select LPC_ICH if !EXPERT
966 select I2C_I801 if !EXPERT && I2C
967 ---help---
968 Hardware driver for the intel TCO timer based watchdog devices.
969 These drivers are included in the Intel 82801 I/O Controller
970 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
971 controller hub.
972
973 The TCO (Total Cost of Ownership) timer is a watchdog timer
974 that will reboot the machine after its second expiration. The
975 expiration time can be configured with the "heartbeat" parameter.
976
977 On some motherboards the driver may fail to reset the chipset's
978 NO_REBOOT flag which prevents the watchdog from rebooting the
979 machine. If this is the case you will get a kernel message like
980 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
981
982 To compile this driver as a module, choose M here: the
983 module will be called iTCO_wdt.
984
985 config ITCO_VENDOR_SUPPORT
986 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
987 depends on ITCO_WDT
988 ---help---
989 Add vendor specific support to the intel TCO timer based watchdog
990 devices. At this moment we only have additional support for some
991 SuperMicro Inc. motherboards.
992
993 config IT8712F_WDT
994 tristate "IT8712F (Smart Guardian) Watchdog Timer"
995 depends on X86
996 ---help---
997 This is the driver for the built-in watchdog timer on the IT8712F
998 Super I/0 chipset used on many motherboards.
999
1000 If the driver does not work, then make sure that the game port in
1001 the BIOS is enabled.
1002
1003 To compile this driver as a module, choose M here: the
1004 module will be called it8712f_wdt.
1005
1006 config IT87_WDT
1007 tristate "IT87 Watchdog Timer"
1008 depends on X86
1009 ---help---
1010 This is the driver for the hardware watchdog on the ITE IT8702,
1011 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
1012 Super I/O chips.
1013
1014 If the driver does not work, then make sure that the game port in
1015 the BIOS is enabled.
1016
1017 This watchdog simply watches your kernel to make sure it doesn't
1018 freeze, and if it does, it reboots your computer after a certain
1019 amount of time.
1020
1021 To compile this driver as a module, choose M here: the module will
1022 be called it87_wdt.
1023
1024 config HP_WATCHDOG
1025 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1026 depends on X86 && PCI
1027 help
1028 A software monitoring watchdog and NMI sourcing driver. This driver
1029 will detect lockups and provide a stack trace. This is a driver that
1030 will only load on an HP ProLiant system with a minimum of iLO2 support.
1031 To compile this driver as a module, choose M here: the module will be
1032 called hpwdt.
1033
1034 config KEMPLD_WDT
1035 tristate "Kontron COM Watchdog Timer"
1036 depends on MFD_KEMPLD
1037 select WATCHDOG_CORE
1038 help
1039 Support for the PLD watchdog on some Kontron ETX and COMexpress
1040 (ETXexpress) modules
1041
1042 This driver can also be built as a module. If so, the module will be
1043 called kempld_wdt.
1044
1045 config HPWDT_NMI_DECODING
1046 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1047 depends on HP_WATCHDOG
1048 default y
1049 help
1050 When an NMI occurs this feature will make the necessary BIOS calls to
1051 log the cause of the NMI.
1052
1053 config SC1200_WDT
1054 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1055 depends on X86
1056 help
1057 This is a driver for National Semiconductor PC87307/PC97307 hardware
1058 watchdog cards as found on the SC1200. This watchdog is mainly used
1059 for power management purposes and can be used to power down the device
1060 during inactivity periods (includes interrupt activity monitoring).
1061
1062 To compile this driver as a module, choose M here: the
1063 module will be called sc1200wdt.
1064
1065 Most people will say N.
1066
1067 config SCx200_WDT
1068 tristate "National Semiconductor SCx200 Watchdog"
1069 depends on SCx200 && PCI
1070 help
1071 Enable the built-in watchdog timer support on the National
1072 Semiconductor SCx200 processors.
1073
1074 If compiled as a module, it will be called scx200_wdt.
1075
1076 config PC87413_WDT
1077 tristate "NS PC87413 watchdog"
1078 depends on X86
1079 ---help---
1080 This is the driver for the hardware watchdog on the PC87413 chipset
1081 This watchdog simply watches your kernel to make sure it doesn't
1082 freeze, and if it does, it reboots your computer after a certain
1083 amount of time.
1084
1085 To compile this driver as a module, choose M here: the
1086 module will be called pc87413_wdt.
1087
1088 Most people will say N.
1089
1090 config NV_TCO
1091 tristate "nVidia TCO Timer/Watchdog"
1092 depends on X86 && PCI
1093 ---help---
1094 Hardware driver for the TCO timer built into the nVidia Hub family
1095 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
1096 watchdog timer that will reboot the machine after its second
1097 expiration. The expiration time can be configured with the
1098 "heartbeat" parameter.
1099
1100 On some motherboards the driver may fail to reset the chipset's
1101 NO_REBOOT flag which prevents the watchdog from rebooting the
1102 machine. If this is the case you will get a kernel message like
1103 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1104
1105 To compile this driver as a module, choose M here: the
1106 module will be called nv_tco.
1107
1108 config RDC321X_WDT
1109 tristate "RDC R-321x SoC watchdog"
1110 depends on X86_RDC321X
1111 help
1112 This is the driver for the built in hardware watchdog
1113 in the RDC R-321x SoC.
1114
1115 To compile this driver as a module, choose M here: the
1116 module will be called rdc321x_wdt.
1117
1118 config 60XX_WDT
1119 tristate "SBC-60XX Watchdog Timer"
1120 depends on X86
1121 help
1122 This driver can be used with the watchdog timer found on some
1123 single board computers, namely the 6010 PII based computer.
1124 It may well work with other cards. It reads port 0x443 to enable
1125 and re-set the watchdog timer, and reads port 0x45 to disable
1126 the watchdog. If you have a card that behave in similar ways,
1127 you can probably make this driver work with your card as well.
1128
1129 You can compile this driver directly into the kernel, or use
1130 it as a module. The module will be called sbc60xxwdt.
1131
1132 config SBC8360_WDT
1133 tristate "SBC8360 Watchdog Timer"
1134 depends on X86_32
1135 ---help---
1136
1137 This is the driver for the hardware watchdog on the SBC8360 Single
1138 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1139
1140 To compile this driver as a module, choose M here: the
1141 module will be called sbc8360.
1142
1143 Most people will say N.
1144
1145 config SBC7240_WDT
1146 tristate "SBC Nano 7240 Watchdog Timer"
1147 depends on X86_32 && !UML
1148 ---help---
1149 This is the driver for the hardware watchdog found on the IEI
1150 single board computers EPIC Nano 7240 (and likely others). This
1151 watchdog simply watches your kernel to make sure it doesn't freeze,
1152 and if it does, it reboots your computer after a certain amount of
1153 time.
1154
1155 To compile this driver as a module, choose M here: the
1156 module will be called sbc7240_wdt.
1157
1158 config CPU5_WDT
1159 tristate "SMA CPU5 Watchdog"
1160 depends on X86
1161 ---help---
1162 TBD.
1163 To compile this driver as a module, choose M here: the
1164 module will be called cpu5wdt.
1165
1166 config SMSC_SCH311X_WDT
1167 tristate "SMSC SCH311X Watchdog Timer"
1168 depends on X86
1169 ---help---
1170 This is the driver for the hardware watchdog timer on the
1171 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1172 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1173 serial ports).
1174
1175 To compile this driver as a module, choose M here: the
1176 module will be called sch311x_wdt.
1177
1178 config SMSC37B787_WDT
1179 tristate "Winbond SMsC37B787 Watchdog Timer"
1180 depends on X86
1181 ---help---
1182 This is the driver for the hardware watchdog component on the
1183 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1184 from Vision Systems and maybe others.
1185
1186 This watchdog simply watches your kernel to make sure it doesn't
1187 freeze, and if it does, it reboots your computer after a certain
1188 amount of time.
1189
1190 Usually a userspace daemon will notify the kernel WDT driver that
1191 userspace is still alive, at regular intervals.
1192
1193 To compile this driver as a module, choose M here: the
1194 module will be called smsc37b787_wdt.
1195
1196 Most people will say N.
1197
1198 config VIA_WDT
1199 tristate "VIA Watchdog Timer"
1200 depends on X86 && PCI
1201 select WATCHDOG_CORE
1202 ---help---
1203 This is the driver for the hardware watchdog timer on VIA
1204 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1205
1206 To compile this driver as a module, choose M here; the module
1207 will be called via_wdt.
1208
1209 Most people will say N.
1210
1211 config W83627HF_WDT
1212 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1213 depends on X86
1214 select WATCHDOG_CORE
1215 ---help---
1216 This is the driver for the hardware watchdog on the following
1217 Super I/O chips.
1218 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1219 W83637HF
1220 W83667HG/HG-B
1221 W83687THF
1222 W83697HF
1223 W83697UG
1224 NCT6775
1225 NCT6776
1226 NCT6779
1227 NCT6791
1228 NCT6792
1229 NCT6102D/04D/06D
1230
1231 This watchdog simply watches your kernel to make sure it doesn't
1232 freeze, and if it does, it reboots your computer after a certain
1233 amount of time.
1234
1235 To compile this driver as a module, choose M here: the
1236 module will be called w83627hf_wdt.
1237
1238 Most people will say N.
1239
1240 config W83877F_WDT
1241 tristate "W83877F (EMACS) Watchdog Timer"
1242 depends on X86
1243 ---help---
1244 This is the driver for the hardware watchdog on the W83877F chipset
1245 as used in EMACS PC-104 motherboards (and likely others). This
1246 watchdog simply watches your kernel to make sure it doesn't freeze,
1247 and if it does, it reboots your computer after a certain amount of
1248 time.
1249
1250 To compile this driver as a module, choose M here: the
1251 module will be called w83877f_wdt.
1252
1253 Most people will say N.
1254
1255 config W83977F_WDT
1256 tristate "W83977F (PCM-5335) Watchdog Timer"
1257 depends on X86
1258 ---help---
1259 This is the driver for the hardware watchdog on the W83977F I/O chip
1260 as used in AAEON's PCM-5335 SBC (and likely others). This
1261 watchdog simply watches your kernel to make sure it doesn't freeze,
1262 and if it does, it reboots your computer after a certain amount of
1263 time.
1264
1265 To compile this driver as a module, choose M here: the
1266 module will be called w83977f_wdt.
1267
1268 config MACHZ_WDT
1269 tristate "ZF MachZ Watchdog"
1270 depends on X86
1271 ---help---
1272 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1273 N. This is the driver for the watchdog timer built-in on that
1274 processor using ZF-Logic interface. This watchdog simply watches
1275 your kernel to make sure it doesn't freeze, and if it does, it
1276 reboots your computer after a certain amount of time.
1277
1278 To compile this driver as a module, choose M here: the
1279 module will be called machzwd.
1280
1281 config SBC_EPX_C3_WATCHDOG
1282 tristate "Winsystems SBC EPX-C3 watchdog"
1283 depends on X86
1284 ---help---
1285 This is the driver for the built-in watchdog timer on the EPX-C3
1286 Single-board computer made by Winsystems, Inc.
1287
1288 *Note*: This hardware watchdog is not probeable and thus there
1289 is no way to know if writing to its IO address will corrupt
1290 your system or have any real effect. The only way to be sure
1291 that this driver does what you want is to make sure you
1292 are running it on an EPX-C3 from Winsystems with the watchdog
1293 timer at IO address 0x1ee and 0x1ef. It will write to both those
1294 IO ports. Basically, the assumption is made that if you compile
1295 this driver into your kernel and/or load it as a module, that you
1296 know what you are doing and that you are in fact running on an
1297 EPX-C3 board!
1298
1299 To compile this driver as a module, choose M here: the
1300 module will be called sbc_epx_c3.
1301
1302 config INTEL_MEI_WDT
1303 tristate "Intel MEI iAMT Watchdog"
1304 depends on INTEL_MEI && X86
1305 select WATCHDOG_CORE
1306 ---help---
1307 A device driver for the Intel MEI iAMT watchdog.
1308
1309 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1310 Whenever the OS hangs or crashes, iAMT will send an event
1311 to any subscriber to this event. The watchdog doesn't reset the
1312 the platform.
1313
1314 To compile this driver as a module, choose M here:
1315 the module will be called mei_wdt.
1316
1317 config NI903X_WDT
1318 tristate "NI 903x/913x Watchdog"
1319 depends on X86 && ACPI
1320 select WATCHDOG_CORE
1321 ---help---
1322 This is the driver for the watchdog timer on the National Instruments
1323 903x/913x real-time controllers.
1324
1325 To compile this driver as a module, choose M here: the module will be
1326 called ni903x_wdt.
1327
1328 # M32R Architecture
1329
1330 # M68K Architecture
1331
1332 config M54xx_WATCHDOG
1333 tristate "MCF54xx watchdog support"
1334 depends on M548x
1335 help
1336 To compile this driver as a module, choose M here: the
1337 module will be called m54xx_wdt.
1338
1339 # MicroBlaze Architecture
1340
1341 # MIPS Architecture
1342
1343 config ATH79_WDT
1344 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1345 depends on ATH79
1346 help
1347 Hardware driver for the built-in watchdog timer on the Atheros
1348 AR71XX/AR724X/AR913X SoCs.
1349
1350 config BCM47XX_WDT
1351 tristate "Broadcom BCM47xx Watchdog Timer"
1352 depends on BCM47XX || ARCH_BCM_5301X
1353 select WATCHDOG_CORE
1354 help
1355 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1356
1357 config RC32434_WDT
1358 tristate "IDT RC32434 SoC Watchdog Timer"
1359 depends on MIKROTIK_RB532
1360 help
1361 Hardware driver for the IDT RC32434 SoC built-in
1362 watchdog timer.
1363
1364 To compile this driver as a module, choose M here: the
1365 module will be called rc32434_wdt.
1366
1367 config INDYDOG
1368 tristate "Indy/I2 Hardware Watchdog"
1369 depends on SGI_HAS_INDYDOG
1370 help
1371 Hardware driver for the Indy's/I2's watchdog. This is a
1372 watchdog timer that will reboot the machine after a 60 second
1373 timer expired and no process has written to /dev/watchdog during
1374 that time.
1375
1376 config JZ4740_WDT
1377 tristate "Ingenic jz4740 SoC hardware watchdog"
1378 depends on MACH_JZ4740
1379 select WATCHDOG_CORE
1380 help
1381 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1382
1383 config WDT_MTX1
1384 tristate "MTX-1 Hardware Watchdog"
1385 depends on MIPS_MTX1
1386 help
1387 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1388 will reboot the machine after a 100 seconds timer expired.
1389
1390 config PNX833X_WDT
1391 tristate "PNX833x Hardware Watchdog"
1392 depends on SOC_PNX8335
1393 help
1394 Hardware driver for the PNX833x's watchdog. This is a
1395 watchdog timer that will reboot the machine after a programmable
1396 timer has expired and no process has written to /dev/watchdog during
1397 that time.
1398
1399 config SIBYTE_WDOG
1400 tristate "Sibyte SoC hardware watchdog"
1401 depends on CPU_SB1
1402 help
1403 Watchdog driver for the built in watchdog hardware in Sibyte
1404 SoC processors. There are apparently two watchdog timers
1405 on such processors; this driver supports only the first one,
1406 because currently Linux only supports exporting one watchdog
1407 to userspace.
1408
1409 To compile this driver as a loadable module, choose M here.
1410 The module will be called sb_wdog.
1411
1412 config AR7_WDT
1413 tristate "TI AR7 Watchdog Timer"
1414 depends on AR7
1415 help
1416 Hardware driver for the TI AR7 Watchdog Timer.
1417
1418 config TXX9_WDT
1419 tristate "Toshiba TXx9 Watchdog Timer"
1420 depends on CPU_TX39XX || CPU_TX49XX
1421 select WATCHDOG_CORE
1422 help
1423 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1424
1425 config OCTEON_WDT
1426 tristate "Cavium OCTEON SOC family Watchdog Timer"
1427 depends on CAVIUM_OCTEON_SOC
1428 default y
1429 select WATCHDOG_CORE
1430 select EXPORT_UASM if OCTEON_WDT = m
1431 help
1432 Hardware driver for OCTEON's on chip watchdog timer.
1433 Enables the watchdog for all cores running Linux. It
1434 installs a NMI handler and pokes the watchdog based on an
1435 interrupt. On first expiration of the watchdog, the
1436 interrupt handler pokes it. The second expiration causes an
1437 NMI that prints a message. The third expiration causes a
1438 global soft reset.
1439
1440 When userspace has /dev/watchdog open, no poking is done
1441 from the first interrupt, it is then only poked when the
1442 device is written.
1443
1444 config BCM63XX_WDT
1445 tristate "Broadcom BCM63xx hardware watchdog"
1446 depends on BCM63XX
1447 help
1448 Watchdog driver for the built in watchdog hardware in Broadcom
1449 BCM63xx SoC.
1450
1451 To compile this driver as a loadable module, choose M here.
1452 The module will be called bcm63xx_wdt.
1453
1454 config BCM2835_WDT
1455 tristate "Broadcom BCM2835 hardware watchdog"
1456 depends on ARCH_BCM2835
1457 select WATCHDOG_CORE
1458 help
1459 Watchdog driver for the built in watchdog hardware in Broadcom
1460 BCM2835 SoC.
1461
1462 To compile this driver as a loadable module, choose M here.
1463 The module will be called bcm2835_wdt.
1464
1465 config BCM_KONA_WDT
1466 tristate "BCM Kona Watchdog"
1467 depends on ARCH_BCM_MOBILE
1468 select WATCHDOG_CORE
1469 help
1470 Support for the watchdog timer on the following Broadcom BCM281xx
1471 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1472 BCM28155 variants.
1473
1474 Say 'Y' or 'M' here to enable the driver. The module will be called
1475 bcm_kona_wdt.
1476
1477 config BCM_KONA_WDT_DEBUG
1478 bool "DEBUGFS support for BCM Kona Watchdog"
1479 depends on BCM_KONA_WDT
1480 help
1481 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1482 access to the driver's internal data structures as well as watchdog
1483 timer hardware registres.
1484
1485 If in doubt, say 'N'.
1486
1487 config BCM7038_WDT
1488 tristate "BCM7038 Watchdog"
1489 select WATCHDOG_CORE
1490 depends on HAS_IOMEM
1491 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1492 help
1493 Watchdog driver for the built-in hardware in Broadcom 7038 and
1494 later SoCs used in set-top boxes. BCM7038 was made public
1495 during the 2004 CES, and since then, many Broadcom chips use this
1496 watchdog block, including some cable modem chips.
1497
1498 config IMGPDC_WDT
1499 tristate "Imagination Technologies PDC Watchdog Timer"
1500 depends on HAS_IOMEM
1501 depends on METAG || MIPS || COMPILE_TEST
1502 select WATCHDOG_CORE
1503 help
1504 Driver for Imagination Technologies PowerDown Controller
1505 Watchdog Timer.
1506
1507 To compile this driver as a loadable module, choose M here.
1508 The module will be called imgpdc_wdt.
1509
1510 config LANTIQ_WDT
1511 tristate "Lantiq SoC watchdog"
1512 depends on LANTIQ
1513 help
1514 Hardware driver for the Lantiq SoC Watchdog Timer.
1515
1516 config RALINK_WDT
1517 tristate "Ralink SoC watchdog"
1518 select WATCHDOG_CORE
1519 depends on RALINK
1520 help
1521 Hardware driver for the Ralink SoC Watchdog Timer.
1522
1523 config MT7621_WDT
1524 tristate "Mediatek SoC watchdog"
1525 select WATCHDOG_CORE
1526 depends on SOC_MT7620 || SOC_MT7621
1527 help
1528 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1529
1530 config PIC32_WDT
1531 tristate "Microchip PIC32 hardware watchdog"
1532 select WATCHDOG_CORE
1533 depends on MACH_PIC32
1534 help
1535 Watchdog driver for the built in watchdog hardware in a PIC32.
1536
1537 Configuration bits must be set appropriately for the watchdog to be
1538 controlled by this driver.
1539
1540 To compile this driver as a loadable module, choose M here.
1541 The module will be called pic32-wdt.
1542
1543 config PIC32_DMT
1544 tristate "Microchip PIC32 Deadman Timer"
1545 select WATCHDOG_CORE
1546 depends on MACH_PIC32
1547 help
1548 Watchdog driver for PIC32 instruction fetch counting timer. This specific
1549 timer is typically be used in misson critical and safety critical
1550 applications, where any single failure of the software functionality
1551 and sequencing must be detected.
1552
1553 To compile this driver as a loadable module, choose M here.
1554 The module will be called pic32-dmt.
1555
1556 # PARISC Architecture
1557
1558 # POWERPC Architecture
1559
1560 config GEF_WDT
1561 tristate "GE Watchdog Timer"
1562 depends on GE_FPGA
1563 ---help---
1564 Watchdog timer found in a number of GE single board computers.
1565
1566 config MPC5200_WDT
1567 bool "MPC52xx Watchdog Timer"
1568 depends on PPC_MPC52xx
1569 help
1570 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1571
1572 config 8xxx_WDT
1573 tristate "MPC8xxx Platform Watchdog Timer"
1574 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1575 select WATCHDOG_CORE
1576 help
1577 This driver is for a SoC level watchdog that exists on some
1578 Freescale PowerPC processors. So far this driver supports:
1579 - MPC8xx watchdogs
1580 - MPC83xx watchdogs
1581 - MPC86xx watchdogs
1582
1583 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1584
1585 config MV64X60_WDT
1586 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1587 depends on MV64X60
1588
1589 config PIKA_WDT
1590 tristate "PIKA FPGA Watchdog"
1591 depends on WARP
1592 default y
1593 help
1594 This enables the watchdog in the PIKA FPGA. Currently used on
1595 the Warp platform.
1596
1597 config BOOKE_WDT
1598 tristate "PowerPC Book-E Watchdog Timer"
1599 depends on BOOKE || 4xx
1600 select WATCHDOG_CORE
1601 ---help---
1602 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1603 MPC85xx SOCs and the IBM PowerPC 440.
1604
1605 Please see Documentation/watchdog/watchdog-api.txt for
1606 more information.
1607
1608 config BOOKE_WDT_DEFAULT_TIMEOUT
1609 int "PowerPC Book-E Watchdog Timer Default Timeout"
1610 depends on BOOKE_WDT
1611 default 38 if PPC_FSL_BOOK3E
1612 range 0 63 if PPC_FSL_BOOK3E
1613 default 3 if !PPC_FSL_BOOK3E
1614 range 0 3 if !PPC_FSL_BOOK3E
1615 help
1616 Select the default watchdog timer period to be used by the PowerPC
1617 Book-E watchdog driver. A watchdog "event" occurs when the bit
1618 position represented by this number transitions from zero to one.
1619
1620 For Freescale Book-E processors, this is a number between 0 and 63.
1621 For other Book-E processors, this is a number between 0 and 3.
1622
1623 The value can be overridden by the wdt_period command-line parameter.
1624
1625 config MEN_A21_WDT
1626 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1627 select WATCHDOG_CORE
1628 depends on GPIOLIB || COMPILE_TEST
1629 help
1630 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1631
1632 The driver can also be built as a module. If so, the module will be
1633 called mena21_wdt.
1634
1635 If unsure select N here.
1636
1637 # PPC64 Architecture
1638
1639 config WATCHDOG_RTAS
1640 tristate "RTAS watchdog"
1641 depends on PPC_RTAS
1642 help
1643 This driver adds watchdog support for the RTAS watchdog.
1644
1645 To compile this driver as a module, choose M here. The module
1646 will be called wdrtas.
1647
1648 # S390 Architecture
1649
1650 config DIAG288_WATCHDOG
1651 tristate "System z diag288 Watchdog"
1652 depends on S390
1653 select WATCHDOG_CORE
1654 help
1655 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1656 provide a virtual watchdog timer to their guest that cause a
1657 user define Control Program command to be executed after a
1658 timeout.
1659 LPAR provides a very similar interface. This driver handles
1660 both.
1661
1662 To compile this driver as a module, choose M here. The module
1663 will be called diag288_wdt.
1664
1665 # SUPERH (sh + sh64) Architecture
1666
1667 config SH_WDT
1668 tristate "SuperH Watchdog"
1669 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1670 select WATCHDOG_CORE
1671 help
1672 This driver adds watchdog support for the integrated watchdog in the
1673 SuperH processors. If you have one of these processors and wish
1674 to have watchdog support enabled, say Y, otherwise say N.
1675
1676 As a side note, saying Y here will automatically boost HZ to 1000
1677 so that the timer has a chance to clear the overflow counter. On
1678 slower systems (such as the SH-2 and SH-3) this will likely yield
1679 some performance issues. As such, the WDT should be avoided here
1680 unless it is absolutely necessary.
1681
1682 To compile this driver as a module, choose M here: the
1683 module will be called shwdt.
1684
1685 # SPARC Architecture
1686
1687 # SPARC64 Architecture
1688
1689 config WATCHDOG_CP1XXX
1690 tristate "CP1XXX Hardware Watchdog support"
1691 depends on SPARC64 && PCI
1692 ---help---
1693 This is the driver for the hardware watchdog timers present on
1694 Sun Microsystems CompactPCI models CP1400 and CP1500.
1695
1696 To compile this driver as a module, choose M here: the
1697 module will be called cpwatchdog.
1698
1699 If you do not have a CompactPCI model CP1400 or CP1500, or
1700 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1701 you should say N to this option.
1702
1703 config WATCHDOG_RIO
1704 tristate "RIO Hardware Watchdog support"
1705 depends on SPARC64 && PCI
1706 help
1707 Say Y here to support the hardware watchdog capability on Sun RIO
1708 machines. The watchdog timeout period is normally one minute but
1709 can be changed with a boot-time parameter.
1710
1711 config WATCHDOG_SUN4V
1712 tristate "Sun4v Watchdog support"
1713 select WATCHDOG_CORE
1714 depends on SPARC64
1715 help
1716 Say Y here to support the hypervisor watchdog capability embedded
1717 in the SPARC sun4v architecture.
1718
1719 To compile this driver as a module, choose M here. The module will
1720 be called sun4v_wdt.
1721
1722 # XTENSA Architecture
1723
1724 # Xen Architecture
1725
1726 config XEN_WDT
1727 tristate "Xen Watchdog support"
1728 depends on XEN
1729 help
1730 Say Y here to support the hypervisor watchdog capability provided
1731 by Xen 4.0 and newer. The watchdog timeout period is normally one
1732 minute but can be changed with a boot-time parameter.
1733
1734 config UML_WATCHDOG
1735 tristate "UML watchdog"
1736 depends on UML
1737
1738 #
1739 # ISA-based Watchdog Cards
1740 #
1741
1742 comment "ISA-based Watchdog Cards"
1743 depends on ISA
1744
1745 config PCWATCHDOG
1746 tristate "Berkshire Products ISA-PC Watchdog"
1747 depends on ISA
1748 ---help---
1749 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1750 This card simply watches your kernel to make sure it doesn't freeze,
1751 and if it does, it reboots your computer after a certain amount of
1752 time. This driver is like the WDT501 driver but for different
1753 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1754 watchdog cards can be ordered from <http://www.berkprod.com/>.
1755
1756 To compile this driver as a module, choose M here: the
1757 module will be called pcwd.
1758
1759 Most people will say N.
1760
1761 config MIXCOMWD
1762 tristate "Mixcom Watchdog"
1763 depends on ISA
1764 ---help---
1765 This is a driver for the Mixcom hardware watchdog cards. This
1766 watchdog simply watches your kernel to make sure it doesn't freeze,
1767 and if it does, it reboots your computer after a certain amount of
1768 time.
1769
1770 To compile this driver as a module, choose M here: the
1771 module will be called mixcomwd.
1772
1773 Most people will say N.
1774
1775 config WDT
1776 tristate "WDT Watchdog timer"
1777 depends on ISA
1778 ---help---
1779 If you have a WDT500P or WDT501P watchdog board, say Y here,
1780 otherwise N. It is not possible to probe for this board, which means
1781 that you have to inform the kernel about the IO port and IRQ that
1782 is needed (you can do this via the io and irq parameters)
1783
1784 To compile this driver as a module, choose M here: the
1785 module will be called wdt.
1786
1787 #
1788 # PCI-based Watchdog Cards
1789 #
1790
1791 comment "PCI-based Watchdog Cards"
1792 depends on PCI
1793
1794 config PCIPCWATCHDOG
1795 tristate "Berkshire Products PCI-PC Watchdog"
1796 depends on PCI
1797 ---help---
1798 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1799 This card simply watches your kernel to make sure it doesn't freeze,
1800 and if it does, it reboots your computer after a certain amount of
1801 time. The card can also monitor the internal temperature of the PC.
1802 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1803
1804 To compile this driver as a module, choose M here: the
1805 module will be called pcwd_pci.
1806
1807 Most people will say N.
1808
1809 config WDTPCI
1810 tristate "PCI-WDT500/501 Watchdog timer"
1811 depends on PCI
1812 ---help---
1813 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1814
1815 If you have a PCI-WDT501 watchdog board then you can enable the
1816 temperature sensor by setting the type parameter to 501.
1817
1818 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1819 can do this via the tachometer parameter. Only do this if you have a
1820 fan tachometer actually set up.
1821
1822 To compile this driver as a module, choose M here: the
1823 module will be called wdt_pci.
1824
1825 #
1826 # USB-based Watchdog Cards
1827 #
1828
1829 comment "USB-based Watchdog Cards"
1830 depends on USB
1831
1832 config USBPCWATCHDOG
1833 tristate "Berkshire Products USB-PC Watchdog"
1834 depends on USB
1835 ---help---
1836 This is the driver for the Berkshire Products USB-PC Watchdog card.
1837 This card simply watches your kernel to make sure it doesn't freeze,
1838 and if it does, it reboots your computer after a certain amount of
1839 time. The card can also monitor the internal temperature of the PC.
1840 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1841
1842 To compile this driver as a module, choose M here: the
1843 module will be called pcwd_usb.
1844
1845 Most people will say N.
1846
1847 endif # WATCHDOG