1# SPDX-License-Identifier: GPL-2.0-only 2 3# 4# Watchdog device configuration 5# 6 7menuconfig WATCHDOG 8 bool "Watchdog Timer Support" 9 help 10 If you say Y here (and to one of the following options) and create a 11 character special file /dev/watchdog with major number 10 and minor 12 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 13 subsequently opening the file and then failing to write to it for 14 longer than 1 minute will result in rebooting the machine. This 15 could be useful for a networked machine that needs to come back 16 on-line as fast as possible after a lock-up. There's both a watchdog 17 implementation entirely in software (which can sometimes fail to 18 reboot the machine) and a driver for hardware watchdog boards, which 19 are more robust and can also keep track of the temperature inside 20 your computer. For details, read 21 <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 22 23 The watchdog is usually used together with the watchdog daemon 24 which is available from 25 <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can 26 also monitor NFS connections and can reboot the machine when the process 27 table is full. 28 29 If unsure, say N. 30 31if WATCHDOG 32 33config WATCHDOG_CORE 34 tristate "WatchDog Timer Driver Core" 35 help 36 Say Y here if you want to use the new watchdog timer driver core. 37 This driver provides a framework for all watchdog timer drivers 38 and gives them the /dev/watchdog interface (and later also the 39 sysfs interface). 40 41config WATCHDOG_NOWAYOUT 42 bool "Disable watchdog shutdown on close" 43 help 44 The default watchdog behaviour (which you get if you say N here) is 45 to stop the timer if the process managing it closes the file 46 /dev/watchdog. It's always remotely possible that this process might 47 get killed. If you say Y here, the watchdog cannot be stopped once 48 it has been started. 49 50config WATCHDOG_HANDLE_BOOT_ENABLED 51 bool "Update boot-enabled watchdog until userspace takes over" 52 default y 53 help 54 The default watchdog behaviour (which you get if you say Y here) is 55 to ping watchdog devices that were enabled before the driver has 56 been loaded until control is taken over from userspace using the 57 /dev/watchdog file. If you say N here, the kernel will not update 58 the watchdog on its own. Thus if your userspace does not start fast 59 enough your device will reboot. 60 61config WATCHDOG_OPEN_TIMEOUT 62 int "Timeout value for opening watchdog device" 63 default 0 64 help 65 The maximum time, in seconds, for which the watchdog framework takes 66 care of pinging a hardware watchdog. A value of 0 means infinite. The 67 value set here can be overridden by the commandline parameter 68 "watchdog.open_timeout". 69 70config WATCHDOG_SYSFS 71 bool "Read different watchdog information through sysfs" 72 help 73 Say Y here if you want to enable watchdog device status read through 74 sysfs attributes. 75 76comment "Watchdog Pretimeout Governors" 77 78config WATCHDOG_PRETIMEOUT_GOV 79 bool "Enable watchdog pretimeout governors" 80 depends on WATCHDOG_CORE 81 help 82 The option allows to select watchdog pretimeout governors. 83 84config WATCHDOG_PRETIMEOUT_GOV_SEL 85 tristate 86 depends on WATCHDOG_PRETIMEOUT_GOV 87 default m 88 select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 89 90if WATCHDOG_PRETIMEOUT_GOV 91 92config WATCHDOG_PRETIMEOUT_GOV_NOOP 93 tristate "Noop watchdog pretimeout governor" 94 depends on WATCHDOG_CORE 95 default WATCHDOG_CORE 96 help 97 Noop watchdog pretimeout governor, only an informational 98 message is added to kernel log buffer. 99 100config WATCHDOG_PRETIMEOUT_GOV_PANIC 101 tristate "Panic watchdog pretimeout governor" 102 depends on WATCHDOG_CORE 103 default WATCHDOG_CORE 104 help 105 Panic watchdog pretimeout governor, on watchdog pretimeout 106 event put the kernel into panic. 107 108choice 109 prompt "Default Watchdog Pretimeout Governor" 110 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 111 help 112 This option selects a default watchdog pretimeout governor. 113 The governor takes its action, if a watchdog is capable 114 to report a pretimeout event. 115 116config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 117 bool "noop" 118 depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 119 help 120 Use noop watchdog pretimeout governor by default. If noop 121 governor is selected by a user, write a short message to 122 the kernel log buffer and don't do any system changes. 123 124config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 125 bool "panic" 126 depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 127 help 128 Use panic watchdog pretimeout governor by default, if 129 a watchdog pretimeout event happens, consider that 130 a watchdog feeder is dead and reboot is unavoidable. 131 132endchoice 133 134endif # WATCHDOG_PRETIMEOUT_GOV 135 136# 137# General Watchdog drivers 138# 139 140comment "Watchdog Device Drivers" 141 142# Architecture Independent 143 144config SOFT_WATCHDOG 145 tristate "Software watchdog" 146 select WATCHDOG_CORE 147 help 148 A software monitoring watchdog. This will fail to reboot your system 149 from some situations that the hardware watchdog will recover 150 from. Equally it's a lot cheaper to install. 151 152 To compile this driver as a module, choose M here: the 153 module will be called softdog. 154 155config SOFT_WATCHDOG_PRETIMEOUT 156 bool "Software watchdog pretimeout governor support" 157 depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 158 help 159 Enable this if you want to use pretimeout governors with the software 160 watchdog. Be aware that governors might affect the watchdog because it 161 is purely software, e.g. the panic governor will stall it! 162 163config BD70528_WATCHDOG 164 tristate "ROHM BD70528 PMIC Watchdog" 165 depends on MFD_ROHM_BD70528 166 select WATCHDOG_CORE 167 help 168 Support for the watchdog in the ROHM BD70528 PMIC. Watchdog trigger 169 cause system reset. 170 171 Say Y here to include support for the ROHM BD70528 watchdog. 172 Alternatively say M to compile the driver as a module, 173 which will be called bd70528_wdt. 174 175config DA9052_WATCHDOG 176 tristate "Dialog DA9052 Watchdog" 177 depends on PMIC_DA9052 || COMPILE_TEST 178 select WATCHDOG_CORE 179 help 180 Support for the watchdog in the DA9052 PMIC. Watchdog trigger 181 cause system reset. 182 183 Say Y here to include support for the DA9052 watchdog. 184 Alternatively say M to compile the driver as a module, 185 which will be called da9052_wdt. 186 187config DA9055_WATCHDOG 188 tristate "Dialog Semiconductor DA9055 Watchdog" 189 depends on MFD_DA9055 || COMPILE_TEST 190 select WATCHDOG_CORE 191 help 192 If you say yes here you get support for watchdog on the Dialog 193 Semiconductor DA9055 PMIC. 194 195 This driver can also be built as a module. If so, the module 196 will be called da9055_wdt. 197 198config DA9063_WATCHDOG 199 tristate "Dialog DA9063 Watchdog" 200 depends on MFD_DA9063 || COMPILE_TEST 201 select WATCHDOG_CORE 202 help 203 Support for the watchdog in the DA9063 PMIC. 204 205 This driver can be built as a module. The module name is da9063_wdt. 206 207config DA9062_WATCHDOG 208 tristate "Dialog DA9062/61 Watchdog" 209 depends on MFD_DA9062 || COMPILE_TEST 210 depends on I2C 211 select WATCHDOG_CORE 212 help 213 Support for the watchdog in the DA9062 and DA9061 PMICs. 214 215 This driver can be built as a module. The module name is da9062_wdt. 216 217config GPIO_WATCHDOG 218 tristate "Watchdog device controlled through GPIO-line" 219 depends on OF_GPIO 220 select WATCHDOG_CORE 221 help 222 If you say yes here you get support for watchdog device 223 controlled through GPIO-line. 224 225config GPIO_WATCHDOG_ARCH_INITCALL 226 bool "Register the watchdog as early as possible" 227 depends on GPIO_WATCHDOG=y 228 help 229 In some situations, the default initcall level (module_init) 230 in not early enough in the boot process to avoid the watchdog 231 to be triggered. 232 If you say yes here, the initcall level would be raised to 233 arch_initcall. 234 If in doubt, say N. 235 236config MENF21BMC_WATCHDOG 237 tristate "MEN 14F021P00 BMC Watchdog" 238 depends on MFD_MENF21BMC || COMPILE_TEST 239 depends on I2C 240 select WATCHDOG_CORE 241 help 242 Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 243 244 This driver can also be built as a module. If so the module 245 will be called menf21bmc_wdt. 246 247config MENZ069_WATCHDOG 248 tristate "MEN 16Z069 Watchdog" 249 depends on MCB 250 select WATCHDOG_CORE 251 help 252 Say Y here to include support for the MEN 16Z069 Watchdog. 253 254 This driver can also be built as a module. If so the module 255 will be called menz069_wdt. 256 257config TANGOX_WATCHDOG 258 tristate "Sigma Designs SMP86xx/SMP87xx watchdog" 259 select WATCHDOG_CORE 260 depends on ARCH_TANGO || COMPILE_TEST 261 depends on HAS_IOMEM 262 help 263 Support for the watchdog in Sigma Designs SMP86xx (tango3) 264 and SMP87xx (tango4) family chips. 265 266 This driver can be built as a module. The module name is tangox_wdt. 267 268config WDAT_WDT 269 tristate "ACPI Watchdog Action Table (WDAT)" 270 depends on ACPI 271 select WATCHDOG_CORE 272 select ACPI_WATCHDOG 273 help 274 This driver adds support for systems with ACPI Watchdog Action 275 Table (WDAT) table. Servers typically have this but it can be 276 found on some desktop machines as well. This driver will take 277 over the native iTCO watchdog driver found on many Intel CPUs. 278 279 To compile this driver as module, choose M here: the module will 280 be called wdat_wdt. 281 282config WM831X_WATCHDOG 283 tristate "WM831x watchdog" 284 depends on MFD_WM831X 285 select WATCHDOG_CORE 286 help 287 Support for the watchdog in the WM831x AudioPlus PMICs. When 288 the watchdog triggers the system will be reset. 289 290config WM8350_WATCHDOG 291 tristate "WM8350 watchdog" 292 depends on MFD_WM8350 293 select WATCHDOG_CORE 294 help 295 Support for the watchdog in the WM8350 AudioPlus PMIC. When 296 the watchdog triggers the system will be reset. 297 298config XILINX_WATCHDOG 299 tristate "Xilinx Watchdog timer" 300 depends on HAS_IOMEM 301 select WATCHDOG_CORE 302 help 303 Watchdog driver for the xps_timebase_wdt ip core. 304 305 To compile this driver as a module, choose M here: the 306 module will be called of_xilinx_wdt. 307 308config ZIIRAVE_WATCHDOG 309 tristate "Zodiac RAVE Watchdog Timer" 310 depends on I2C 311 select WATCHDOG_CORE 312 help 313 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 314 Processor. 315 316 To compile this driver as a module, choose M here: the 317 module will be called ziirave_wdt. 318 319config RAVE_SP_WATCHDOG 320 tristate "RAVE SP Watchdog timer" 321 depends on RAVE_SP_CORE 322 depends on NVMEM || !NVMEM 323 select WATCHDOG_CORE 324 help 325 Support for the watchdog on RAVE SP device. 326 327config MLX_WDT 328 tristate "Mellanox Watchdog" 329 depends on MELLANOX_PLATFORM 330 select WATCHDOG_CORE 331 select REGMAP 332 help 333 This is the driver for the hardware watchdog on Mellanox systems. 334 If you are going to use it, say Y here, otherwise N. 335 This driver can be used together with the watchdog daemon. 336 It can also watch your kernel to make sure it doesn't freeze, 337 and if it does, it reboots your system after a certain amount of 338 time. 339 340 To compile this driver as a module, choose M here: the 341 module will be called mlx-wdt. 342 343config SL28CPLD_WATCHDOG 344 tristate "Kontron sl28cpld Watchdog" 345 depends on MFD_SL28CPLD || COMPILE_TEST 346 select WATCHDOG_CORE 347 help 348 Say Y here to include support for the watchdog timer 349 on the Kontron sl28 CPLD. 350 351 To compile this driver as a module, choose M here: the 352 module will be called sl28cpld_wdt. 353 354# ALPHA Architecture 355 356# ARM Architecture 357 358config ARM_SP805_WATCHDOG 359 tristate "ARM SP805 Watchdog" 360 depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 361 select WATCHDOG_CORE 362 help 363 ARM Primecell SP805 Watchdog timer. This will reboot your system when 364 the timeout is reached. 365 366config ARM_SBSA_WATCHDOG 367 tristate "ARM SBSA Generic Watchdog" 368 depends on ARM64 369 depends on ARM_ARCH_TIMER 370 select WATCHDOG_CORE 371 help 372 ARM SBSA Generic Watchdog has two stage timeouts: 373 the first signal (WS0) is for alerting the system by interrupt, 374 the second one (WS1) is a real hardware reset. 375 More details: ARM DEN0029B - Server Base System Architecture (SBSA) 376 377 This driver can operate ARM SBSA Generic Watchdog as a single stage 378 or a two stages watchdog, it depends on the module parameter "action". 379 380 Note: the maximum timeout in the two stages mode is half of that in 381 the single stage mode. 382 383 To compile this driver as module, choose M here: The module 384 will be called sbsa_gwdt. 385 386config ARMADA_37XX_WATCHDOG 387 tristate "Armada 37xx watchdog" 388 depends on ARCH_MVEBU || COMPILE_TEST 389 select MFD_SYSCON 390 select WATCHDOG_CORE 391 help 392 Say Y here to include support for the watchdog timer found on 393 Marvell Armada 37xx SoCs. 394 To compile this driver as a module, choose M here: the 395 module will be called armada_37xx_wdt. 396 397config ASM9260_WATCHDOG 398 tristate "Alphascale ASM9260 watchdog" 399 depends on MACH_ASM9260 || COMPILE_TEST 400 depends on OF 401 select WATCHDOG_CORE 402 select RESET_CONTROLLER 403 help 404 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your 405 system when the timeout is reached. 406 407config AT91RM9200_WATCHDOG 408 tristate "AT91RM9200 watchdog" 409 depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 410 help 411 Watchdog timer embedded into AT91RM9200 chips. This will reboot your 412 system when the timeout is reached. 413 414config AT91SAM9X_WATCHDOG 415 tristate "AT91SAM9X / AT91CAP9 watchdog" 416 depends on ARCH_AT91 || COMPILE_TEST 417 select WATCHDOG_CORE 418 help 419 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 420 reboot your system when the timeout is reached. 421 422config SAMA5D4_WATCHDOG 423 tristate "Atmel SAMA5D4 Watchdog Timer" 424 depends on ARCH_AT91 || COMPILE_TEST 425 select WATCHDOG_CORE 426 help 427 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 428 Its Watchdog Timer Mode Register can be written more than once. 429 This will reboot your system when the timeout is reached. 430 431config CADENCE_WATCHDOG 432 tristate "Cadence Watchdog Timer" 433 depends on HAS_IOMEM 434 select WATCHDOG_CORE 435 help 436 Say Y here if you want to include support for the watchdog 437 timer in the Xilinx Zynq. 438 439config 21285_WATCHDOG 440 tristate "DC21285 watchdog" 441 depends on FOOTBRIDGE 442 help 443 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 444 here if you wish to use this. Alternatively say M to compile the 445 driver as a module, which will be called wdt285. 446 447 This driver does not work on all machines. In particular, early CATS 448 boards have hardware problems that will cause the machine to simply 449 lock up if the watchdog fires. 450 451 "If in doubt, leave it out" - say N. 452 453config 977_WATCHDOG 454 tristate "NetWinder WB83C977 watchdog" 455 depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 456 help 457 Say Y here to include support for the WB977 watchdog included in 458 NetWinder machines. Alternatively say M to compile the driver as 459 a module, which will be called wdt977. 460 461 Not sure? It's safe to say N. 462 463config FTWDT010_WATCHDOG 464 tristate "Faraday Technology FTWDT010 watchdog" 465 depends on ARM || COMPILE_TEST 466 select WATCHDOG_CORE 467 default ARCH_GEMINI 468 help 469 Say Y here if to include support for the Faraday Technology 470 FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 471 family of devices. 472 473 To compile this driver as a module, choose M here: the 474 module will be called ftwdt010_wdt. 475 476config IXP4XX_WATCHDOG 477 tristate "IXP4xx Watchdog" 478 depends on ARCH_IXP4XX 479 help 480 Say Y here if to include support for the watchdog timer 481 in the Intel IXP4xx network processors. This driver can 482 be built as a module by choosing M. The module will 483 be called ixp4xx_wdt. 484 485 Note: The internal IXP4xx watchdog does a soft CPU reset 486 which doesn't reset any peripherals. There are circumstances 487 where the watchdog will fail to reset the board correctly 488 (e.g., if the boot ROM is in an unreadable state). 489 490 Say N if you are unsure. 491 492config S3C2410_WATCHDOG 493 tristate "S3C2410 Watchdog" 494 depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \ 495 COMPILE_TEST 496 select WATCHDOG_CORE 497 select MFD_SYSCON if ARCH_EXYNOS 498 help 499 Watchdog timer block in the Samsung SoCs. This will reboot 500 the system when the timer expires with the watchdog enabled. 501 502 The driver is limited by the speed of the system's PCLK 503 signal, so with reasonably fast systems (PCLK around 50-66MHz) 504 then watchdog intervals of over approximately 20seconds are 505 unavailable. 506 507 The driver can be built as a module by choosing M, and will 508 be called s3c2410_wdt 509 510config SA1100_WATCHDOG 511 tristate "SA1100/PXA2xx watchdog" 512 depends on ARCH_SA1100 || ARCH_PXA 513 help 514 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 515 reboot your system when timeout is reached. 516 517 NOTE: once enabled, this timer cannot be disabled. 518 519 To compile this driver as a module, choose M here: the 520 module will be called sa1100_wdt. 521 522config DW_WATCHDOG 523 tristate "Synopsys DesignWare watchdog" 524 depends on HAS_IOMEM 525 select WATCHDOG_CORE 526 help 527 Say Y here if to include support for the Synopsys DesignWare 528 watchdog timer found in many chips. 529 To compile this driver as a module, choose M here: the 530 module will be called dw_wdt. 531 532config EP93XX_WATCHDOG 533 tristate "EP93xx Watchdog" 534 depends on ARCH_EP93XX || COMPILE_TEST 535 select WATCHDOG_CORE 536 help 537 Say Y here if to include support for the watchdog timer 538 embedded in the Cirrus Logic EP93xx family of devices. 539 540 To compile this driver as a module, choose M here: the 541 module will be called ep93xx_wdt. 542 543config OMAP_WATCHDOG 544 tristate "OMAP Watchdog" 545 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 546 select WATCHDOG_CORE 547 help 548 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y' 549 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 550 551config PNX4008_WATCHDOG 552 tristate "LPC32XX Watchdog" 553 depends on ARCH_LPC32XX || COMPILE_TEST 554 select WATCHDOG_CORE 555 help 556 Say Y here if to include support for the watchdog timer 557 in the LPC32XX processor. 558 This driver can be built as a module by choosing M. The module 559 will be called pnx4008_wdt. 560 561 Say N if you are unsure. 562 563config IOP_WATCHDOG 564 tristate "IOP Watchdog" 565 depends on ARCH_IOP13XX 566 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X) 567 help 568 Say Y here if to include support for the watchdog timer 569 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can 570 be built as a module by choosing M. The module will 571 be called iop_wdt. 572 573 Note: The IOP13XX watchdog does an Internal Bus Reset which will 574 affect both cores and the peripherals of the IOP. The ATU-X 575 and/or ATUe configuration registers will remain intact, but if 576 operating as an Root Complex and/or Central Resource, the PCI-X 577 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER. 578 579config DAVINCI_WATCHDOG 580 tristate "DaVinci watchdog" 581 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 582 select WATCHDOG_CORE 583 help 584 Say Y here if to include support for the watchdog timer 585 in the DaVinci DM644x/DM646x or Keystone processors. 586 To compile this driver as a module, choose M here: the 587 module will be called davinci_wdt. 588 589 NOTE: once enabled, this timer cannot be disabled. 590 Say N if you are unsure. 591 592config K3_RTI_WATCHDOG 593 tristate "Texas Instruments K3 RTI watchdog" 594 depends on ARCH_K3 || COMPILE_TEST 595 select WATCHDOG_CORE 596 help 597 Say Y here if you want to include support for the K3 watchdog 598 timer (RTI module) available in the K3 generation of processors. 599 600config ORION_WATCHDOG 601 tristate "Orion watchdog" 602 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110) 603 depends on ARM 604 select WATCHDOG_CORE 605 help 606 Say Y here if to include support for the watchdog timer 607 in the Marvell Orion5x and Kirkwood ARM SoCs. 608 To compile this driver as a module, choose M here: the 609 module will be called orion_wdt. 610 611config RN5T618_WATCHDOG 612 tristate "Ricoh RN5T618 watchdog" 613 depends on MFD_RN5T618 || COMPILE_TEST 614 select WATCHDOG_CORE 615 help 616 If you say yes here you get support for watchdog on the Ricoh 617 RN5T618 PMIC. 618 619 This driver can also be built as a module. If so, the module 620 will be called rn5t618_wdt. 621 622config SUNXI_WATCHDOG 623 tristate "Allwinner SoCs watchdog support" 624 depends on ARCH_SUNXI || COMPILE_TEST 625 select WATCHDOG_CORE 626 help 627 Say Y here to include support for the watchdog timer 628 in Allwinner SoCs. 629 To compile this driver as a module, choose M here: the 630 module will be called sunxi_wdt. 631 632config COH901327_WATCHDOG 633 bool "ST-Ericsson COH 901 327 watchdog" 634 depends on ARCH_U300 || (ARM && COMPILE_TEST) 635 default y if MACH_U300 636 select WATCHDOG_CORE 637 help 638 Say Y here to include Watchdog timer support for the 639 watchdog embedded into the ST-Ericsson U300 series platforms. 640 This watchdog is used to reset the system and thus cannot be 641 compiled as a module. 642 643config NPCM7XX_WATCHDOG 644 tristate "Nuvoton NPCM750 watchdog" 645 depends on ARCH_NPCM || COMPILE_TEST 646 default y if ARCH_NPCM7XX 647 select WATCHDOG_CORE 648 help 649 Say Y here to include Watchdog timer support for the 650 watchdog embedded into the NPCM7xx. 651 This watchdog is used to reset the system and thus cannot be 652 compiled as a module. 653 654config TWL4030_WATCHDOG 655 tristate "TWL4030 Watchdog" 656 depends on TWL4030_CORE 657 select WATCHDOG_CORE 658 help 659 Support for TI TWL4030 watchdog. Say 'Y' here to enable the 660 watchdog timer support for TWL4030 chips. 661 662config STMP3XXX_RTC_WATCHDOG 663 tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 664 depends on RTC_DRV_STMP || COMPILE_TEST 665 select WATCHDOG_CORE 666 help 667 Say Y here to include support for the watchdog timer inside 668 the RTC for the STMP37XX/378X or i.MX23/28 SoC. 669 To compile this driver as a module, choose M here: the 670 module will be called stmp3xxx_rtc_wdt. 671 672config TS4800_WATCHDOG 673 tristate "TS-4800 Watchdog" 674 depends on HAS_IOMEM && OF 675 depends on SOC_IMX51 || COMPILE_TEST 676 select WATCHDOG_CORE 677 select MFD_SYSCON 678 help 679 Technologic Systems TS-4800 has watchdog timer implemented in 680 an external FPGA. Say Y here if you want to support for the 681 watchdog timer on TS-4800 board. 682 683config TS72XX_WATCHDOG 684 tristate "TS-72XX SBC Watchdog" 685 depends on MACH_TS72XX || COMPILE_TEST 686 select WATCHDOG_CORE 687 help 688 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 689 watchdog timer implemented in a external CPLD chip. Say Y here 690 if you want to support for the watchdog timer on TS-72XX boards. 691 692 To compile this driver as a module, choose M here: the 693 module will be called ts72xx_wdt. 694 695config MAX63XX_WATCHDOG 696 tristate "Max63xx watchdog" 697 depends on HAS_IOMEM 698 select WATCHDOG_CORE 699 help 700 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 701 702config MAX77620_WATCHDOG 703 tristate "Maxim Max77620 Watchdog Timer" 704 depends on MFD_MAX77620 || COMPILE_TEST 705 select WATCHDOG_CORE 706 help 707 This is the driver for the Max77620 watchdog timer. 708 Say 'Y' here to enable the watchdog timer support for 709 MAX77620 chips. To compile this driver as a module, 710 choose M here: the module will be called max77620_wdt. 711 712config IMX2_WDT 713 tristate "IMX2+ Watchdog" 714 depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 715 select REGMAP_MMIO 716 select WATCHDOG_CORE 717 help 718 This is the driver for the hardware watchdog 719 on the Freescale IMX2 and later processors. 720 If you have one of these processors and wish to have 721 watchdog support enabled, say Y, otherwise say N. 722 723 To compile this driver as a module, choose M here: the 724 module will be called imx2_wdt. 725 726config IMX_SC_WDT 727 tristate "IMX SC Watchdog" 728 depends on HAVE_ARM_SMCCC 729 depends on IMX_SCU 730 select WATCHDOG_CORE 731 help 732 This is the driver for the system controller watchdog 733 on the NXP i.MX SoCs with system controller inside, the 734 watchdog driver will call ARM SMC API and trap into 735 ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 736 will request system controller to execute the operations. 737 If you have one of these processors and wish to have 738 watchdog support enabled, say Y, otherwise say N. 739 740 To compile this driver as a module, choose M here: the 741 module will be called imx_sc_wdt. 742 743config IMX7ULP_WDT 744 tristate "IMX7ULP Watchdog" 745 depends on ARCH_MXC || COMPILE_TEST 746 select WATCHDOG_CORE 747 help 748 This is the driver for the hardware watchdog on the Freescale 749 IMX7ULP and later processors. If you have one of these 750 processors and wish to have watchdog support enabled, 751 say Y, otherwise say N. 752 753 To compile this driver as a module, choose M here: the 754 module will be called imx7ulp_wdt. 755 756config UX500_WATCHDOG 757 tristate "ST-Ericsson Ux500 watchdog" 758 depends on MFD_DB8500_PRCMU 759 select WATCHDOG_CORE 760 default y 761 help 762 Say Y here to include Watchdog timer support for the watchdog 763 existing in the prcmu of ST-Ericsson Ux500 series platforms. 764 765 To compile this driver as a module, choose M here: the 766 module will be called ux500_wdt. 767 768config RETU_WATCHDOG 769 tristate "Retu watchdog" 770 depends on MFD_RETU 771 select WATCHDOG_CORE 772 help 773 Retu watchdog driver for Nokia Internet Tablets (770, N800, 774 N810). At least on N800 the watchdog cannot be disabled, so 775 this driver is essential and you should enable it. 776 777 To compile this driver as a module, choose M here: the 778 module will be called retu_wdt. 779 780config MOXART_WDT 781 tristate "MOXART watchdog" 782 depends on ARCH_MOXART || COMPILE_TEST 783 help 784 Say Y here to include Watchdog timer support for the watchdog 785 existing on the MOXA ART SoC series platforms. 786 787 To compile this driver as a module, choose M here: the 788 module will be called moxart_wdt. 789 790config SIRFSOC_WATCHDOG 791 tristate "SiRFSOC watchdog" 792 depends on ARCH_SIRF || COMPILE_TEST 793 select WATCHDOG_CORE 794 default y 795 help 796 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When 797 the watchdog triggers the system will be reset. 798 799config ST_LPC_WATCHDOG 800 tristate "STMicroelectronics LPC Watchdog" 801 depends on ARCH_STI || COMPILE_TEST 802 depends on OF 803 select WATCHDOG_CORE 804 help 805 Say Y here to include STMicroelectronics Low Power Controller 806 (LPC) based Watchdog timer support. 807 808 To compile this driver as a module, choose M here: the 809 module will be called st_lpc_wdt. 810 811config TEGRA_WATCHDOG 812 tristate "Tegra watchdog" 813 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 814 select WATCHDOG_CORE 815 help 816 Say Y here to include support for the watchdog timer 817 embedded in NVIDIA Tegra SoCs. 818 819 To compile this driver as a module, choose M here: the 820 module will be called tegra_wdt. 821 822config QCOM_WDT 823 tristate "QCOM watchdog" 824 depends on HAS_IOMEM 825 depends on ARCH_QCOM || COMPILE_TEST 826 select WATCHDOG_CORE 827 help 828 Say Y here to include Watchdog timer support for the watchdog found 829 on QCOM chipsets. Currently supported targets are the MSM8960, 830 APQ8064, and IPQ8064. 831 832 To compile this driver as a module, choose M here: the 833 module will be called qcom_wdt. 834 835config MESON_GXBB_WATCHDOG 836 tristate "Amlogic Meson GXBB SoCs watchdog support" 837 depends on ARCH_MESON || COMPILE_TEST 838 select WATCHDOG_CORE 839 help 840 Say Y here to include support for the watchdog timer 841 in Amlogic Meson GXBB SoCs. 842 To compile this driver as a module, choose M here: the 843 module will be called meson_gxbb_wdt. 844 845config MESON_WATCHDOG 846 tristate "Amlogic Meson SoCs watchdog support" 847 depends on ARCH_MESON || COMPILE_TEST 848 select WATCHDOG_CORE 849 help 850 Say Y here to include support for the watchdog timer 851 in Amlogic Meson SoCs. 852 To compile this driver as a module, choose M here: the 853 module will be called meson_wdt. 854 855config MEDIATEK_WATCHDOG 856 tristate "Mediatek SoCs watchdog support" 857 depends on ARCH_MEDIATEK || COMPILE_TEST 858 select WATCHDOG_CORE 859 select RESET_CONTROLLER 860 help 861 Say Y here to include support for the watchdog timer 862 in Mediatek SoCs. 863 To compile this driver as a module, choose M here: the 864 module will be called mtk_wdt. 865 866config DIGICOLOR_WATCHDOG 867 tristate "Conexant Digicolor SoCs watchdog support" 868 depends on ARCH_DIGICOLOR || COMPILE_TEST 869 select WATCHDOG_CORE 870 help 871 Say Y here to include support for the watchdog timer 872 in Conexant Digicolor SoCs. 873 To compile this driver as a module, choose M here: the 874 module will be called digicolor_wdt. 875 876config ARM_SMC_WATCHDOG 877 tristate "ARM Secure Monitor Call based watchdog support" 878 depends on ARM || ARM64 879 depends on OF 880 depends on HAVE_ARM_SMCCC 881 select WATCHDOG_CORE 882 help 883 Say Y here to include support for a watchdog timer 884 implemented by the EL3 Secure Monitor on ARM platforms. 885 Requires firmware support. 886 To compile this driver as a module, choose M here: the 887 module will be called arm_smc_wdt. 888 889config LPC18XX_WATCHDOG 890 tristate "LPC18xx/43xx Watchdog" 891 depends on ARCH_LPC18XX || COMPILE_TEST 892 depends on HAS_IOMEM 893 select WATCHDOG_CORE 894 help 895 Say Y here if to include support for the watchdog timer 896 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 897 processors. 898 To compile this driver as a module, choose M here: the 899 module will be called lpc18xx_wdt. 900 901config ATLAS7_WATCHDOG 902 tristate "CSRatlas7 watchdog" 903 depends on ARCH_ATLAS7 || COMPILE_TEST 904 help 905 Say Y here to include Watchdog timer support for the watchdog 906 existing on the CSRatlas7 series platforms. 907 908 To compile this driver as a module, choose M here: the 909 module will be called atlas7_wdt. 910 911config RENESAS_WDT 912 tristate "Renesas WDT Watchdog" 913 depends on ARCH_RENESAS || COMPILE_TEST 914 select WATCHDOG_CORE 915 help 916 This driver adds watchdog support for the integrated watchdogs in the 917 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 918 919config RENESAS_RZAWDT 920 tristate "Renesas RZ/A WDT Watchdog" 921 depends on ARCH_RENESAS || COMPILE_TEST 922 select WATCHDOG_CORE 923 help 924 This driver adds watchdog support for the integrated watchdogs in the 925 Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 926 927config ASPEED_WATCHDOG 928 tristate "Aspeed BMC watchdog support" 929 depends on ARCH_ASPEED || COMPILE_TEST 930 select WATCHDOG_CORE 931 help 932 Say Y here to include support for the watchdog timer 933 in Aspeed BMC SoCs. 934 935 This driver is required to reboot the SoC. 936 937 To compile this driver as a module, choose M here: the 938 module will be called aspeed_wdt. 939 940config ZX2967_WATCHDOG 941 tristate "ZTE zx2967 SoCs watchdog support" 942 depends on ARCH_ZX 943 select WATCHDOG_CORE 944 help 945 Say Y here to include support for the watchdog timer 946 in ZTE zx2967 SoCs. 947 To compile this driver as a module, choose M here: the 948 module will be called zx2967_wdt. 949 950config STM32_WATCHDOG 951 tristate "STM32 Independent WatchDoG (IWDG) support" 952 depends on ARCH_STM32 953 select WATCHDOG_CORE 954 default y 955 help 956 Say Y here to include support for the watchdog timer 957 in stm32 SoCs. 958 959 To compile this driver as a module, choose M here: the 960 module will be called stm32_iwdg. 961 962config STPMIC1_WATCHDOG 963 tristate "STPMIC1 PMIC watchdog support" 964 depends on MFD_STPMIC1 965 select WATCHDOG_CORE 966 help 967 Say Y here to include watchdog support embedded into STPMIC1 PMIC. 968 If the watchdog timer expires, stpmic1 will shut down all its power 969 supplies. 970 971 To compile this driver as a module, choose M here: the 972 module will be called spmic1_wdt. 973 974config UNIPHIER_WATCHDOG 975 tristate "UniPhier watchdog support" 976 depends on ARCH_UNIPHIER || COMPILE_TEST 977 depends on OF && MFD_SYSCON 978 select WATCHDOG_CORE 979 help 980 Say Y here to include support watchdog timer embedded 981 into the UniPhier system. 982 983 To compile this driver as a module, choose M here: the 984 module will be called uniphier_wdt. 985 986config RTD119X_WATCHDOG 987 bool "Realtek RTD119x/RTD129x watchdog support" 988 depends on ARCH_REALTEK || COMPILE_TEST 989 depends on OF 990 select WATCHDOG_CORE 991 default ARCH_REALTEK 992 help 993 Say Y here to include support for the watchdog timer in 994 Realtek RTD1295 SoCs. 995 996config SPRD_WATCHDOG 997 tristate "Spreadtrum watchdog support" 998 depends on ARCH_SPRD || COMPILE_TEST 999 select WATCHDOG_CORE 1000 help 1001 Say Y here to include watchdog timer supported 1002 by Spreadtrum system. 1003 1004config PM8916_WATCHDOG 1005 tristate "QCOM PM8916 pmic watchdog" 1006 depends on OF && MFD_SPMI_PMIC 1007 select WATCHDOG_CORE 1008 help 1009 Say Y here to include support watchdog timer embedded into the 1010 pm8916 module. 1011 1012config VISCONTI_WATCHDOG 1013 tristate "Toshiba Visconti series watchdog support" 1014 depends on ARCH_VISCONTI || COMPILE_TEST 1015 select WATCHDOG_CORE 1016 help 1017 Say Y here to include support for the watchdog timer in Toshiba 1018 Visconti SoCs. 1019 1020# X86 (i386 + ia64 + x86_64) Architecture 1021 1022config ACQUIRE_WDT 1023 tristate "Acquire SBC Watchdog Timer" 1024 depends on X86 1025 help 1026 This is the driver for the hardware watchdog on Single Board 1027 Computers produced by Acquire Inc (and others). This watchdog 1028 simply watches your kernel to make sure it doesn't freeze, and if 1029 it does, it reboots your computer after a certain amount of time. 1030 1031 To compile this driver as a module, choose M here: the 1032 module will be called acquirewdt. 1033 1034 Most people will say N. 1035 1036config ADVANTECH_WDT 1037 tristate "Advantech SBC Watchdog Timer" 1038 depends on X86 1039 help 1040 If you are configuring a Linux kernel for the Advantech single-board 1041 computer, say `Y' here to support its built-in watchdog timer 1042 feature. More information can be found at 1043 <https://www.advantech.com.tw/products/> 1044 1045config ALIM1535_WDT 1046 tristate "ALi M1535 PMU Watchdog Timer" 1047 depends on X86 && PCI 1048 help 1049 This is the driver for the hardware watchdog on the ALi M1535 PMU. 1050 1051 To compile this driver as a module, choose M here: the 1052 module will be called alim1535_wdt. 1053 1054 Most people will say N. 1055 1056config ALIM7101_WDT 1057 tristate "ALi M7101 PMU Computer Watchdog" 1058 depends on PCI 1059 help 1060 This is the driver for the hardware watchdog on the ALi M7101 PMU 1061 as used in the x86 Cobalt servers and also found in some 1062 SPARC Netra servers too. 1063 1064 To compile this driver as a module, choose M here: the 1065 module will be called alim7101_wdt. 1066 1067 Most people will say N. 1068 1069config EBC_C384_WDT 1070 tristate "WinSystems EBC-C384 Watchdog Timer" 1071 depends on X86 1072 select ISA_BUS_API 1073 select WATCHDOG_CORE 1074 help 1075 Enables watchdog timer support for the watchdog timer on the 1076 WinSystems EBC-C384 motherboard. The timeout may be configured via 1077 the timeout module parameter. 1078 1079config F71808E_WDT 1080 tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1081 depends on X86 1082 help 1083 This is the driver for the hardware watchdog on the Fintek F71808E, 1084 F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1085 F81866 Super I/O controllers. 1086 1087 You can compile this driver directly into the kernel, or use 1088 it as a module. The module will be called f71808e_wdt. 1089 1090config SP5100_TCO 1091 tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 1092 depends on X86 && PCI 1093 select WATCHDOG_CORE 1094 help 1095 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 1096 (Total Cost of Ownership) timer is a watchdog timer that will reboot 1097 the machine after its expiration. The expiration time can be 1098 configured with the "heartbeat" parameter. 1099 1100 To compile this driver as a module, choose M here: the 1101 module will be called sp5100_tco. 1102 1103config GEODE_WDT 1104 tristate "AMD Geode CS5535/CS5536 Watchdog" 1105 depends on CS5535_MFGPT 1106 help 1107 This driver enables a watchdog capability built into the 1108 CS5535/CS5536 companion chips for the AMD Geode GX and LX 1109 processors. This watchdog watches your kernel to make sure 1110 it doesn't freeze, and if it does, it reboots your computer after 1111 a certain amount of time. 1112 1113 You can compile this driver directly into the kernel, or use 1114 it as a module. The module will be called geodewdt. 1115 1116config SC520_WDT 1117 tristate "AMD Elan SC520 processor Watchdog" 1118 depends on MELAN || COMPILE_TEST 1119 help 1120 This is the driver for the hardware watchdog built in to the 1121 AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1122 This watchdog simply watches your kernel to make sure it doesn't 1123 freeze, and if it does, it reboots your computer after a certain 1124 amount of time. 1125 1126 You can compile this driver directly into the kernel, or use 1127 it as a module. The module will be called sc520_wdt. 1128 1129config SBC_FITPC2_WATCHDOG 1130 tristate "Compulab SBC-FITPC2 watchdog" 1131 depends on X86 1132 help 1133 This is the driver for the built-in watchdog timer on the fit-PC2, 1134 fit-PC2i, CM-iAM single-board computers made by Compulab. 1135 1136 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux. 1137 When "Watchdog Timer Value" enabled one can set 31-255 s operational range. 1138 1139 Entering BIOS setup temporary disables watchdog operation regardless to current state, 1140 so system will not be restarted while user in BIOS setup. 1141 1142 Once watchdog was enabled the system will be restarted every 1143 "Watchdog Timer Value" period, so to prevent it user can restart or 1144 disable the watchdog. 1145 1146 To compile this driver as a module, choose M here: the 1147 module will be called sbc_fitpc2_wdt. 1148 1149 Most people will say N. 1150 1151config EUROTECH_WDT 1152 tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1153 depends on X86 1154 help 1155 Enable support for the watchdog timer on the Eurotech CPU-1220 and 1156 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1157 information are at <http://www.eurotech.it/>. 1158 1159config IB700_WDT 1160 tristate "IB700 SBC Watchdog Timer" 1161 depends on X86 1162 help 1163 This is the driver for the hardware watchdog on the IB700 Single 1164 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog 1165 simply watches your kernel to make sure it doesn't freeze, and if 1166 it does, it reboots your computer after a certain amount of time. 1167 1168 This driver is like the WDT501 driver but for slightly different hardware. 1169 1170 To compile this driver as a module, choose M here: the 1171 module will be called ib700wdt. 1172 1173 Most people will say N. 1174 1175config IBMASR 1176 tristate "IBM Automatic Server Restart" 1177 depends on X86 1178 help 1179 This is the driver for the IBM Automatic Server Restart watchdog 1180 timer built-in into some eServer xSeries machines. 1181 1182 To compile this driver as a module, choose M here: the 1183 module will be called ibmasr. 1184 1185config WAFER_WDT 1186 tristate "ICP Single Board Computer Watchdog Timer" 1187 depends on X86 1188 help 1189 This is a driver for the hardware watchdog on the ICP Single 1190 Board Computer. This driver is working on (at least) the following 1191 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1192 1193 To compile this driver as a module, choose M here: the 1194 module will be called wafer5823wdt. 1195 1196config I6300ESB_WDT 1197 tristate "Intel 6300ESB Timer/Watchdog" 1198 depends on PCI 1199 select WATCHDOG_CORE 1200 help 1201 Hardware driver for the watchdog timer built into the Intel 1202 6300ESB controller hub. 1203 1204 To compile this driver as a module, choose M here: the 1205 module will be called i6300esb. 1206 1207config IE6XX_WDT 1208 tristate "Intel Atom E6xx Watchdog" 1209 depends on X86 && PCI 1210 select WATCHDOG_CORE 1211 select MFD_CORE 1212 select LPC_SCH 1213 help 1214 Hardware driver for the watchdog timer built into the Intel 1215 Atom E6XX (TunnelCreek) processor. 1216 1217 To compile this driver as a module, choose M here: the 1218 module will be called ie6xx_wdt. 1219 1220config INTEL_SCU_WATCHDOG 1221 bool "Intel SCU Watchdog for Mobile Platforms" 1222 depends on X86_INTEL_MID 1223 help 1224 Hardware driver for the watchdog time built into the Intel SCU 1225 for Intel Mobile Platforms. 1226 1227 To compile this driver as a module, choose M here. 1228 1229config INTEL_MID_WATCHDOG 1230 tristate "Intel MID Watchdog Timer" 1231 depends on X86_INTEL_MID 1232 select WATCHDOG_CORE 1233 help 1234 Watchdog timer driver built into the Intel SCU for Intel MID 1235 Platforms. 1236 1237 This driver currently supports only the watchdog evolution 1238 implementation in SCU, available for Merrifield generation. 1239 1240 To compile this driver as a module, choose M here. 1241 1242config ITCO_WDT 1243 tristate "Intel TCO Timer/Watchdog" 1244 depends on (X86 || IA64) && PCI 1245 select WATCHDOG_CORE 1246 depends on I2C || I2C=n 1247 depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 1248 select LPC_ICH if !EXPERT 1249 select I2C_I801 if !EXPERT && I2C 1250 help 1251 Hardware driver for the intel TCO timer based watchdog devices. 1252 These drivers are included in the Intel 82801 I/O Controller 1253 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1254 controller hub. 1255 1256 The TCO (Total Cost of Ownership) timer is a watchdog timer 1257 that will reboot the machine after its second expiration. The 1258 expiration time can be configured with the "heartbeat" parameter. 1259 1260 On some motherboards the driver may fail to reset the chipset's 1261 NO_REBOOT flag which prevents the watchdog from rebooting the 1262 machine. If this is the case you will get a kernel message like 1263 "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1264 1265 To compile this driver as a module, choose M here: the 1266 module will be called iTCO_wdt. 1267 1268config ITCO_VENDOR_SUPPORT 1269 bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1270 depends on ITCO_WDT 1271 help 1272 Add vendor specific support to the intel TCO timer based watchdog 1273 devices. At this moment we only have additional support for some 1274 SuperMicro Inc. motherboards. 1275 1276config IT8712F_WDT 1277 tristate "IT8712F (Smart Guardian) Watchdog Timer" 1278 depends on X86 1279 help 1280 This is the driver for the built-in watchdog timer on the IT8712F 1281 Super I/0 chipset used on many motherboards. 1282 1283 If the driver does not work, then make sure that the game port in 1284 the BIOS is enabled. 1285 1286 To compile this driver as a module, choose M here: the 1287 module will be called it8712f_wdt. 1288 1289config IT87_WDT 1290 tristate "IT87 Watchdog Timer" 1291 depends on X86 1292 select WATCHDOG_CORE 1293 help 1294 This is the driver for the hardware watchdog on the ITE IT8607, 1295 IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1296 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1297 IT8783 Super I/O chips. 1298 1299 This watchdog simply watches your kernel to make sure it doesn't 1300 freeze, and if it does, it reboots your computer after a certain 1301 amount of time. 1302 1303 To compile this driver as a module, choose M here: the module will 1304 be called it87_wdt. 1305 1306config HP_WATCHDOG 1307 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1308 select WATCHDOG_CORE 1309 depends on X86 && PCI 1310 help 1311 A software monitoring watchdog and NMI handling driver. This driver 1312 will detect lockups and provide a stack trace. This is a driver that 1313 will only load on an HP ProLiant system with a minimum of iLO2 support. 1314 To compile this driver as a module, choose M here: the module will be 1315 called hpwdt. 1316 1317config HPWDT_NMI_DECODING 1318 bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1319 depends on HP_WATCHDOG 1320 default y 1321 help 1322 Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1323 "Generate NMI to System" virtual button. When an NMI is claimed 1324 by the driver, panic is called. 1325 1326config KEMPLD_WDT 1327 tristate "Kontron COM Watchdog Timer" 1328 depends on MFD_KEMPLD 1329 select WATCHDOG_CORE 1330 help 1331 Support for the PLD watchdog on some Kontron ETX and COMexpress 1332 (ETXexpress) modules 1333 1334 This driver can also be built as a module. If so, the module will be 1335 called kempld_wdt. 1336 1337config SC1200_WDT 1338 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1339 depends on X86 1340 help 1341 This is a driver for National Semiconductor PC87307/PC97307 hardware 1342 watchdog cards as found on the SC1200. This watchdog is mainly used 1343 for power management purposes and can be used to power down the device 1344 during inactivity periods (includes interrupt activity monitoring). 1345 1346 To compile this driver as a module, choose M here: the 1347 module will be called sc1200wdt. 1348 1349 Most people will say N. 1350 1351config SCx200_WDT 1352 tristate "National Semiconductor SCx200 Watchdog" 1353 depends on SCx200 && PCI 1354 help 1355 Enable the built-in watchdog timer support on the National 1356 Semiconductor SCx200 processors. 1357 1358 If compiled as a module, it will be called scx200_wdt. 1359 1360config PC87413_WDT 1361 tristate "NS PC87413 watchdog" 1362 depends on X86 1363 help 1364 This is the driver for the hardware watchdog on the PC87413 chipset 1365 This watchdog simply watches your kernel to make sure it doesn't 1366 freeze, and if it does, it reboots your computer after a certain 1367 amount of time. 1368 1369 To compile this driver as a module, choose M here: the 1370 module will be called pc87413_wdt. 1371 1372 Most people will say N. 1373 1374config NV_TCO 1375 tristate "nVidia TCO Timer/Watchdog" 1376 depends on X86 && PCI 1377 help 1378 Hardware driver for the TCO timer built into the nVidia Hub family 1379 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1380 watchdog timer that will reboot the machine after its second 1381 expiration. The expiration time can be configured with the 1382 "heartbeat" parameter. 1383 1384 On some motherboards the driver may fail to reset the chipset's 1385 NO_REBOOT flag which prevents the watchdog from rebooting the 1386 machine. If this is the case you will get a kernel message like 1387 "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1388 1389 To compile this driver as a module, choose M here: the 1390 module will be called nv_tco. 1391 1392config RDC321X_WDT 1393 tristate "RDC R-321x SoC watchdog" 1394 depends on X86_RDC321X || COMPILE_TEST 1395 depends on PCI 1396 help 1397 This is the driver for the built in hardware watchdog 1398 in the RDC R-321x SoC. 1399 1400 To compile this driver as a module, choose M here: the 1401 module will be called rdc321x_wdt. 1402 1403config 60XX_WDT 1404 tristate "SBC-60XX Watchdog Timer" 1405 depends on X86 1406 help 1407 This driver can be used with the watchdog timer found on some 1408 single board computers, namely the 6010 PII based computer. 1409 It may well work with other cards. It reads port 0x443 to enable 1410 and re-set the watchdog timer, and reads port 0x45 to disable 1411 the watchdog. If you have a card that behave in similar ways, 1412 you can probably make this driver work with your card as well. 1413 1414 You can compile this driver directly into the kernel, or use 1415 it as a module. The module will be called sbc60xxwdt. 1416 1417config SBC8360_WDT 1418 tristate "SBC8360 Watchdog Timer" 1419 depends on X86_32 1420 help 1421 1422 This is the driver for the hardware watchdog on the SBC8360 Single 1423 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1424 1425 To compile this driver as a module, choose M here: the 1426 module will be called sbc8360. 1427 1428 Most people will say N. 1429 1430config SBC7240_WDT 1431 tristate "SBC Nano 7240 Watchdog Timer" 1432 depends on X86_32 && !UML 1433 help 1434 This is the driver for the hardware watchdog found on the IEI 1435 single board computers EPIC Nano 7240 (and likely others). This 1436 watchdog simply watches your kernel to make sure it doesn't freeze, 1437 and if it does, it reboots your computer after a certain amount of 1438 time. 1439 1440 To compile this driver as a module, choose M here: the 1441 module will be called sbc7240_wdt. 1442 1443config CPU5_WDT 1444 tristate "SMA CPU5 Watchdog" 1445 depends on X86 1446 help 1447 TBD. 1448 To compile this driver as a module, choose M here: the 1449 module will be called cpu5wdt. 1450 1451config SMSC_SCH311X_WDT 1452 tristate "SMSC SCH311X Watchdog Timer" 1453 depends on X86 1454 help 1455 This is the driver for the hardware watchdog timer on the 1456 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 1457 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 1458 serial ports). 1459 1460 To compile this driver as a module, choose M here: the 1461 module will be called sch311x_wdt. 1462 1463config SMSC37B787_WDT 1464 tristate "Winbond SMsC37B787 Watchdog Timer" 1465 depends on X86 1466 help 1467 This is the driver for the hardware watchdog component on the 1468 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1469 from Vision Systems and maybe others. 1470 1471 This watchdog simply watches your kernel to make sure it doesn't 1472 freeze, and if it does, it reboots your computer after a certain 1473 amount of time. 1474 1475 Usually a userspace daemon will notify the kernel WDT driver that 1476 userspace is still alive, at regular intervals. 1477 1478 To compile this driver as a module, choose M here: the 1479 module will be called smsc37b787_wdt. 1480 1481 Most people will say N. 1482 1483config TQMX86_WDT 1484 tristate "TQ-Systems TQMX86 Watchdog Timer" 1485 depends on X86 1486 select WATCHDOG_CORE 1487 help 1488 This is the driver for the hardware watchdog timer in the TQMX86 IO 1489 controller found on some of their ComExpress Modules. 1490 1491 To compile this driver as a module, choose M here; the module 1492 will be called tqmx86_wdt. 1493 1494 Most people will say N. 1495 1496config VIA_WDT 1497 tristate "VIA Watchdog Timer" 1498 depends on X86 && PCI 1499 select WATCHDOG_CORE 1500 help 1501 This is the driver for the hardware watchdog timer on VIA 1502 southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1503 1504 To compile this driver as a module, choose M here; the module 1505 will be called via_wdt. 1506 1507 Most people will say N. 1508 1509config W83627HF_WDT 1510 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1511 depends on X86 1512 select WATCHDOG_CORE 1513 help 1514 This is the driver for the hardware watchdog on the following 1515 Super I/O chips. 1516 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1517 W83637HF 1518 W83667HG/HG-B 1519 W83687THF 1520 W83697HF 1521 W83697UG 1522 NCT6775 1523 NCT6776 1524 NCT6779 1525 NCT6791 1526 NCT6792 1527 NCT6102D/04D/06D 1528 NCT6116D 1529 1530 This watchdog simply watches your kernel to make sure it doesn't 1531 freeze, and if it does, it reboots your computer after a certain 1532 amount of time. 1533 1534 To compile this driver as a module, choose M here: the 1535 module will be called w83627hf_wdt. 1536 1537 Most people will say N. 1538 1539config W83877F_WDT 1540 tristate "W83877F (EMACS) Watchdog Timer" 1541 depends on X86 1542 help 1543 This is the driver for the hardware watchdog on the W83877F chipset 1544 as used in EMACS PC-104 motherboards (and likely others). This 1545 watchdog simply watches your kernel to make sure it doesn't freeze, 1546 and if it does, it reboots your computer after a certain amount of 1547 time. 1548 1549 To compile this driver as a module, choose M here: the 1550 module will be called w83877f_wdt. 1551 1552 Most people will say N. 1553 1554config W83977F_WDT 1555 tristate "W83977F (PCM-5335) Watchdog Timer" 1556 depends on X86 1557 help 1558 This is the driver for the hardware watchdog on the W83977F I/O chip 1559 as used in AAEON's PCM-5335 SBC (and likely others). This 1560 watchdog simply watches your kernel to make sure it doesn't freeze, 1561 and if it does, it reboots your computer after a certain amount of 1562 time. 1563 1564 To compile this driver as a module, choose M here: the 1565 module will be called w83977f_wdt. 1566 1567config MACHZ_WDT 1568 tristate "ZF MachZ Watchdog" 1569 depends on X86 1570 help 1571 If you are using a ZF Micro MachZ processor, say Y here, otherwise 1572 N. This is the driver for the watchdog timer built-in on that 1573 processor using ZF-Logic interface. This watchdog simply watches 1574 your kernel to make sure it doesn't freeze, and if it does, it 1575 reboots your computer after a certain amount of time. 1576 1577 To compile this driver as a module, choose M here: the 1578 module will be called machzwd. 1579 1580config SBC_EPX_C3_WATCHDOG 1581 tristate "Winsystems SBC EPX-C3 watchdog" 1582 depends on X86 1583 help 1584 This is the driver for the built-in watchdog timer on the EPX-C3 1585 Single-board computer made by Winsystems, Inc. 1586 1587 *Note*: This hardware watchdog is not probeable and thus there 1588 is no way to know if writing to its IO address will corrupt 1589 your system or have any real effect. The only way to be sure 1590 that this driver does what you want is to make sure you 1591 are running it on an EPX-C3 from Winsystems with the watchdog 1592 timer at IO address 0x1ee and 0x1ef. It will write to both those 1593 IO ports. Basically, the assumption is made that if you compile 1594 this driver into your kernel and/or load it as a module, that you 1595 know what you are doing and that you are in fact running on an 1596 EPX-C3 board! 1597 1598 To compile this driver as a module, choose M here: the 1599 module will be called sbc_epx_c3. 1600 1601config INTEL_MEI_WDT 1602 tristate "Intel MEI iAMT Watchdog" 1603 depends on INTEL_MEI && X86 1604 select WATCHDOG_CORE 1605 help 1606 A device driver for the Intel MEI iAMT watchdog. 1607 1608 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1609 Whenever the OS hangs or crashes, iAMT will send an event 1610 to any subscriber to this event. The watchdog doesn't reset the 1611 the platform. 1612 1613 To compile this driver as a module, choose M here: 1614 the module will be called mei_wdt. 1615 1616config NI903X_WDT 1617 tristate "NI 903x/913x Watchdog" 1618 depends on X86 && ACPI 1619 select WATCHDOG_CORE 1620 help 1621 This is the driver for the watchdog timer on the National Instruments 1622 903x/913x real-time controllers. 1623 1624 To compile this driver as a module, choose M here: the module will be 1625 called ni903x_wdt. 1626 1627config NIC7018_WDT 1628 tristate "NIC7018 Watchdog" 1629 depends on X86 && ACPI 1630 select WATCHDOG_CORE 1631 help 1632 Support for National Instruments NIC7018 Watchdog. 1633 1634 To compile this driver as a module, choose M here: the module will be 1635 called nic7018_wdt. 1636 1637# M68K Architecture 1638 1639config M54xx_WATCHDOG 1640 tristate "MCF54xx watchdog support" 1641 depends on M548x 1642 help 1643 To compile this driver as a module, choose M here: the 1644 module will be called m54xx_wdt. 1645 1646# MicroBlaze Architecture 1647 1648# MIPS Architecture 1649 1650config ATH79_WDT 1651 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1652 depends on ATH79 || (ARM && COMPILE_TEST) 1653 help 1654 Hardware driver for the built-in watchdog timer on the Atheros 1655 AR71XX/AR724X/AR913X SoCs. 1656 1657config BCM47XX_WDT 1658 tristate "Broadcom BCM47xx Watchdog Timer" 1659 depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 1660 select WATCHDOG_CORE 1661 help 1662 Hardware driver for the Broadcom BCM47xx Watchdog Timer. 1663 1664config RC32434_WDT 1665 tristate "IDT RC32434 SoC Watchdog Timer" 1666 depends on MIKROTIK_RB532 1667 help 1668 Hardware driver for the IDT RC32434 SoC built-in 1669 watchdog timer. 1670 1671 To compile this driver as a module, choose M here: the 1672 module will be called rc32434_wdt. 1673 1674config INDYDOG 1675 tristate "Indy/I2 Hardware Watchdog" 1676 depends on SGI_HAS_INDYDOG 1677 help 1678 Hardware driver for the Indy's/I2's watchdog. This is a 1679 watchdog timer that will reboot the machine after a 60 second 1680 timer expired and no process has written to /dev/watchdog during 1681 that time. 1682 1683config JZ4740_WDT 1684 tristate "Ingenic jz4740 SoC hardware watchdog" 1685 depends on MIPS 1686 depends on COMMON_CLK 1687 select WATCHDOG_CORE 1688 select MFD_SYSCON 1689 help 1690 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1691 1692config WDT_MTX1 1693 tristate "MTX-1 Hardware Watchdog" 1694 depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1695 help 1696 Hardware driver for the MTX-1 boards. This is a watchdog timer that 1697 will reboot the machine after a 100 seconds timer expired. 1698 1699config PNX833X_WDT 1700 tristate "PNX833x Hardware Watchdog" 1701 depends on SOC_PNX8335 1702 depends on BROKEN 1703 help 1704 Hardware driver for the PNX833x's watchdog. This is a 1705 watchdog timer that will reboot the machine after a programmable 1706 timer has expired and no process has written to /dev/watchdog during 1707 that time. 1708 1709config SIBYTE_WDOG 1710 tristate "Sibyte SoC hardware watchdog" 1711 depends on CPU_SB1 || (MIPS && COMPILE_TEST) 1712 help 1713 Watchdog driver for the built in watchdog hardware in Sibyte 1714 SoC processors. There are apparently two watchdog timers 1715 on such processors; this driver supports only the first one, 1716 because currently Linux only supports exporting one watchdog 1717 to userspace. 1718 1719 To compile this driver as a loadable module, choose M here. 1720 The module will be called sb_wdog. 1721 1722config AR7_WDT 1723 tristate "TI AR7 Watchdog Timer" 1724 depends on AR7 || (MIPS && COMPILE_TEST) 1725 help 1726 Hardware driver for the TI AR7 Watchdog Timer. 1727 1728config TXX9_WDT 1729 tristate "Toshiba TXx9 Watchdog Timer" 1730 depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST) 1731 select WATCHDOG_CORE 1732 help 1733 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 1734 1735config OCTEON_WDT 1736 tristate "Cavium OCTEON SOC family Watchdog Timer" 1737 depends on CAVIUM_OCTEON_SOC 1738 default y 1739 select WATCHDOG_CORE 1740 select EXPORT_UASM if OCTEON_WDT = m 1741 help 1742 Hardware driver for OCTEON's on chip watchdog timer. 1743 Enables the watchdog for all cores running Linux. It 1744 installs a NMI handler and pokes the watchdog based on an 1745 interrupt. On first expiration of the watchdog, the 1746 interrupt handler pokes it. The second expiration causes an 1747 NMI that prints a message. The third expiration causes a 1748 global soft reset. 1749 1750 When userspace has /dev/watchdog open, no poking is done 1751 from the first interrupt, it is then only poked when the 1752 device is written. 1753 1754config BCM63XX_WDT 1755 tristate "Broadcom BCM63xx hardware watchdog" 1756 depends on BCM63XX 1757 help 1758 Watchdog driver for the built in watchdog hardware in Broadcom 1759 BCM63xx SoC. 1760 1761 To compile this driver as a loadable module, choose M here. 1762 The module will be called bcm63xx_wdt. 1763 1764config BCM2835_WDT 1765 tristate "Broadcom BCM2835 hardware watchdog" 1766 depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1767 select WATCHDOG_CORE 1768 help 1769 Watchdog driver for the built in watchdog hardware in Broadcom 1770 BCM2835 SoC. 1771 1772 To compile this driver as a loadable module, choose M here. 1773 The module will be called bcm2835_wdt. 1774 1775config BCM_KONA_WDT 1776 tristate "BCM Kona Watchdog" 1777 depends on ARCH_BCM_MOBILE || COMPILE_TEST 1778 select WATCHDOG_CORE 1779 help 1780 Support for the watchdog timer on the following Broadcom BCM281xx 1781 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 1782 BCM28155 variants. 1783 1784 Say 'Y' or 'M' here to enable the driver. The module will be called 1785 bcm_kona_wdt. 1786 1787config BCM_KONA_WDT_DEBUG 1788 bool "DEBUGFS support for BCM Kona Watchdog" 1789 depends on BCM_KONA_WDT 1790 help 1791 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 1792 access to the driver's internal data structures as well as watchdog 1793 timer hardware registres. 1794 1795 If in doubt, say 'N'. 1796 1797config BCM7038_WDT 1798 tristate "BCM7038 Watchdog" 1799 select WATCHDOG_CORE 1800 depends on HAS_IOMEM 1801 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 1802 help 1803 Watchdog driver for the built-in hardware in Broadcom 7038 and 1804 later SoCs used in set-top boxes. BCM7038 was made public 1805 during the 2004 CES, and since then, many Broadcom chips use this 1806 watchdog block, including some cable modem chips. 1807 1808config IMGPDC_WDT 1809 tristate "Imagination Technologies PDC Watchdog Timer" 1810 depends on HAS_IOMEM 1811 depends on MIPS || COMPILE_TEST 1812 select WATCHDOG_CORE 1813 help 1814 Driver for Imagination Technologies PowerDown Controller 1815 Watchdog Timer. 1816 1817 To compile this driver as a loadable module, choose M here. 1818 The module will be called imgpdc_wdt. 1819 1820config LANTIQ_WDT 1821 tristate "Lantiq SoC watchdog" 1822 depends on LANTIQ 1823 select WATCHDOG_CORE 1824 help 1825 Hardware driver for the Lantiq SoC Watchdog Timer. 1826 1827config LOONGSON1_WDT 1828 tristate "Loongson1 SoC hardware watchdog" 1829 depends on MACH_LOONGSON32 1830 select WATCHDOG_CORE 1831 help 1832 Hardware driver for the Loongson1 SoC Watchdog Timer. 1833 1834config RALINK_WDT 1835 tristate "Ralink SoC watchdog" 1836 select WATCHDOG_CORE 1837 depends on RALINK 1838 help 1839 Hardware driver for the Ralink SoC Watchdog Timer. 1840 1841config MT7621_WDT 1842 tristate "Mediatek SoC watchdog" 1843 select WATCHDOG_CORE 1844 depends on SOC_MT7620 || SOC_MT7621 1845 help 1846 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1847 1848config PIC32_WDT 1849 tristate "Microchip PIC32 hardware watchdog" 1850 select WATCHDOG_CORE 1851 depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1852 help 1853 Watchdog driver for the built in watchdog hardware in a PIC32. 1854 1855 Configuration bits must be set appropriately for the watchdog to be 1856 controlled by this driver. 1857 1858 To compile this driver as a loadable module, choose M here. 1859 The module will be called pic32-wdt. 1860 1861config PIC32_DMT 1862 tristate "Microchip PIC32 Deadman Timer" 1863 select WATCHDOG_CORE 1864 depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1865 help 1866 Watchdog driver for PIC32 instruction fetch counting timer. This specific 1867 timer is typically be used in misson critical and safety critical 1868 applications, where any single failure of the software functionality 1869 and sequencing must be detected. 1870 1871 To compile this driver as a loadable module, choose M here. 1872 The module will be called pic32-dmt. 1873 1874# PARISC Architecture 1875 1876# POWERPC Architecture 1877 1878config GEF_WDT 1879 tristate "GE Watchdog Timer" 1880 depends on GE_FPGA 1881 help 1882 Watchdog timer found in a number of GE single board computers. 1883 1884config MPC5200_WDT 1885 bool "MPC52xx Watchdog Timer" 1886 depends on PPC_MPC52xx || COMPILE_TEST 1887 help 1888 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1889 1890config 8xxx_WDT 1891 tristate "MPC8xxx Platform Watchdog Timer" 1892 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1893 select WATCHDOG_CORE 1894 help 1895 This driver is for a SoC level watchdog that exists on some 1896 Freescale PowerPC processors. So far this driver supports: 1897 - MPC8xx watchdogs 1898 - MPC83xx watchdogs 1899 - MPC86xx watchdogs 1900 1901 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1902 1903config MV64X60_WDT 1904 tristate "MV64X60 (Marvell Discovery) Watchdog Timer" 1905 depends on MV64X60 || COMPILE_TEST 1906 1907config PIKA_WDT 1908 tristate "PIKA FPGA Watchdog" 1909 depends on WARP || (PPC64 && COMPILE_TEST) 1910 default y 1911 help 1912 This enables the watchdog in the PIKA FPGA. Currently used on 1913 the Warp platform. 1914 1915config BOOKE_WDT 1916 tristate "PowerPC Book-E Watchdog Timer" 1917 depends on BOOKE || 4xx 1918 select WATCHDOG_CORE 1919 help 1920 Watchdog driver for PowerPC Book-E chips, such as the Freescale 1921 MPC85xx SOCs and the IBM PowerPC 440. 1922 1923 Please see Documentation/watchdog/watchdog-api.rst for 1924 more information. 1925 1926config BOOKE_WDT_DEFAULT_TIMEOUT 1927 int "PowerPC Book-E Watchdog Timer Default Timeout" 1928 depends on BOOKE_WDT 1929 default 38 if PPC_FSL_BOOK3E 1930 range 0 63 if PPC_FSL_BOOK3E 1931 default 3 if !PPC_FSL_BOOK3E 1932 range 0 3 if !PPC_FSL_BOOK3E 1933 help 1934 Select the default watchdog timer period to be used by the PowerPC 1935 Book-E watchdog driver. A watchdog "event" occurs when the bit 1936 position represented by this number transitions from zero to one. 1937 1938 For Freescale Book-E processors, this is a number between 0 and 63. 1939 For other Book-E processors, this is a number between 0 and 3. 1940 1941 The value can be overridden by the wdt_period command-line parameter. 1942 1943config MEN_A21_WDT 1944 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 1945 select WATCHDOG_CORE 1946 depends on GPIOLIB || COMPILE_TEST 1947 help 1948 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 1949 1950 The driver can also be built as a module. If so, the module will be 1951 called mena21_wdt. 1952 1953 If unsure select N here. 1954 1955# PPC64 Architecture 1956 1957config WATCHDOG_RTAS 1958 tristate "RTAS watchdog" 1959 depends on PPC_RTAS 1960 help 1961 This driver adds watchdog support for the RTAS watchdog. 1962 1963 To compile this driver as a module, choose M here. The module 1964 will be called wdrtas. 1965 1966# S390 Architecture 1967 1968config DIAG288_WATCHDOG 1969 tristate "System z diag288 Watchdog" 1970 depends on S390 1971 select WATCHDOG_CORE 1972 help 1973 IBM s/390 and zSeries machines running under z/VM 5.1 or later 1974 provide a virtual watchdog timer to their guest that cause a 1975 user define Control Program command to be executed after a 1976 timeout. 1977 LPAR provides a very similar interface. This driver handles 1978 both. 1979 1980 To compile this driver as a module, choose M here. The module 1981 will be called diag288_wdt. 1982 1983# SUPERH (sh + sh64) Architecture 1984 1985config SH_WDT 1986 tristate "SuperH Watchdog" 1987 depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 1988 select WATCHDOG_CORE 1989 help 1990 This driver adds watchdog support for the integrated watchdog in the 1991 SuperH processors. If you have one of these processors and wish 1992 to have watchdog support enabled, say Y, otherwise say N. 1993 1994 As a side note, saying Y here will automatically boost HZ to 1000 1995 so that the timer has a chance to clear the overflow counter. On 1996 slower systems (such as the SH-2 and SH-3) this will likely yield 1997 some performance issues. As such, the WDT should be avoided here 1998 unless it is absolutely necessary. 1999 2000 To compile this driver as a module, choose M here: the 2001 module will be called shwdt. 2002 2003# SPARC Architecture 2004 2005# SPARC64 Architecture 2006 2007config WATCHDOG_CP1XXX 2008 tristate "CP1XXX Hardware Watchdog support" 2009 depends on SPARC64 && PCI 2010 help 2011 This is the driver for the hardware watchdog timers present on 2012 Sun Microsystems CompactPCI models CP1400 and CP1500. 2013 2014 To compile this driver as a module, choose M here: the 2015 module will be called cpwatchdog. 2016 2017 If you do not have a CompactPCI model CP1400 or CP1500, or 2018 another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2019 you should say N to this option. 2020 2021config WATCHDOG_RIO 2022 tristate "RIO Hardware Watchdog support" 2023 depends on SPARC64 && PCI 2024 help 2025 Say Y here to support the hardware watchdog capability on Sun RIO 2026 machines. The watchdog timeout period is normally one minute but 2027 can be changed with a boot-time parameter. 2028 2029config WATCHDOG_SUN4V 2030 tristate "Sun4v Watchdog support" 2031 select WATCHDOG_CORE 2032 depends on SPARC64 2033 help 2034 Say Y here to support the hypervisor watchdog capability embedded 2035 in the SPARC sun4v architecture. 2036 2037 To compile this driver as a module, choose M here. The module will 2038 be called sun4v_wdt. 2039 2040# XTENSA Architecture 2041 2042# Xen Architecture 2043 2044config XEN_WDT 2045 tristate "Xen Watchdog support" 2046 depends on XEN 2047 select WATCHDOG_CORE 2048 help 2049 Say Y here to support the hypervisor watchdog capability provided 2050 by Xen 4.0 and newer. The watchdog timeout period is normally one 2051 minute but can be changed with a boot-time parameter. 2052 2053config UML_WATCHDOG 2054 tristate "UML watchdog" 2055 depends on UML || COMPILE_TEST 2056 2057# 2058# ISA-based Watchdog Cards 2059# 2060 2061comment "ISA-based Watchdog Cards" 2062 depends on ISA 2063 2064config PCWATCHDOG 2065 tristate "Berkshire Products ISA-PC Watchdog" 2066 depends on ISA 2067 help 2068 This is the driver for the Berkshire Products ISA-PC Watchdog card. 2069 This card simply watches your kernel to make sure it doesn't freeze, 2070 and if it does, it reboots your computer after a certain amount of 2071 time. This driver is like the WDT501 driver but for different 2072 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. The PC 2073 watchdog cards can be ordered from <http://www.berkprod.com/>. 2074 2075 To compile this driver as a module, choose M here: the 2076 module will be called pcwd. 2077 2078 Most people will say N. 2079 2080config MIXCOMWD 2081 tristate "Mixcom Watchdog" 2082 depends on ISA 2083 help 2084 This is a driver for the Mixcom hardware watchdog cards. This 2085 watchdog simply watches your kernel to make sure it doesn't freeze, 2086 and if it does, it reboots your computer after a certain amount of 2087 time. 2088 2089 To compile this driver as a module, choose M here: the 2090 module will be called mixcomwd. 2091 2092 Most people will say N. 2093 2094config WDT 2095 tristate "WDT Watchdog timer" 2096 depends on ISA 2097 help 2098 If you have a WDT500P or WDT501P watchdog board, say Y here, 2099 otherwise N. It is not possible to probe for this board, which means 2100 that you have to inform the kernel about the IO port and IRQ that 2101 is needed (you can do this via the io and irq parameters) 2102 2103 To compile this driver as a module, choose M here: the 2104 module will be called wdt. 2105 2106# 2107# PCI-based Watchdog Cards 2108# 2109 2110comment "PCI-based Watchdog Cards" 2111 depends on PCI 2112 2113config PCIPCWATCHDOG 2114 tristate "Berkshire Products PCI-PC Watchdog" 2115 depends on PCI 2116 help 2117 This is the driver for the Berkshire Products PCI-PC Watchdog card. 2118 This card simply watches your kernel to make sure it doesn't freeze, 2119 and if it does, it reboots your computer after a certain amount of 2120 time. The card can also monitor the internal temperature of the PC. 2121 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2122 2123 To compile this driver as a module, choose M here: the 2124 module will be called pcwd_pci. 2125 2126 Most people will say N. 2127 2128config WDTPCI 2129 tristate "PCI-WDT500/501 Watchdog timer" 2130 depends on PCI 2131 help 2132 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2133 2134 If you have a PCI-WDT501 watchdog board then you can enable the 2135 temperature sensor by setting the type parameter to 501. 2136 2137 If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2138 can do this via the tachometer parameter. Only do this if you have a 2139 fan tachometer actually set up. 2140 2141 To compile this driver as a module, choose M here: the 2142 module will be called wdt_pci. 2143 2144# 2145# USB-based Watchdog Cards 2146# 2147 2148comment "USB-based Watchdog Cards" 2149 depends on USB 2150 2151config USBPCWATCHDOG 2152 tristate "Berkshire Products USB-PC Watchdog" 2153 depends on USB 2154 help 2155 This is the driver for the Berkshire Products USB-PC Watchdog card. 2156 This card simply watches your kernel to make sure it doesn't freeze, 2157 and if it does, it reboots your computer after a certain amount of 2158 time. The card can also monitor the internal temperature of the PC. 2159 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2160 2161 To compile this driver as a module, choose M here: the 2162 module will be called pcwd_usb. 2163 2164 Most people will say N. 2165 2166endif # WATCHDOG 2167