1menu "Watchdog Timer Support" 2 3config WATCHDOG 4 bool "Enable U-Boot watchdog reset" 5 depends on !HW_WATCHDOG 6 select CYCLIC 7 help 8 This option enables U-Boot watchdog support where U-Boot is using 9 watchdog_reset function to service watchdog device in U-Boot. Enable 10 this option if you want to service enabled watchdog by U-Boot. Disable 11 this option if you want U-Boot to start watchdog but never service it. 12 13config WATCHDOG_AUTOSTART 14 bool "Automatically start watchdog timer" 15 depends on WDT 16 default n if ARCH_SUNXI 17 default y 18 help 19 Automatically start watchdog timer and start servicing it during 20 init phase. Enabled by default. Disable this option if you want 21 to compile U-Boot with CONFIG_WDT support but do not want to 22 activate watchdog, like when CONFIG_WDT option is disabled. You 23 would be able to start watchdog manually by 'wdt' command. Useful 24 when you want to have support for 'wdt' command but do not want 25 to have watchdog enabled by default. 26 27config WATCHDOG_TIMEOUT_MSECS 28 int "Watchdog timeout in msec" 29 default 128000 if ARCH_MX31 || ARCH_MX5 || ARCH_MX6 30 default 128000 if ARCH_MX7 || ARCH_VF610 31 default 30000 if ARCH_SOCFPGA 32 default 16000 if ARCH_SUNXI 33 default 5376 if ULP_WATCHDOG 34 default 15000 if ARCH_BCM283X 35 default 60000 36 help 37 Watchdog timeout in msec 38 39config HW_WATCHDOG 40 bool 41 42config IMX_WATCHDOG 43 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" 44 select HW_WATCHDOG if !WDT 45 help 46 Select this to enable the IMX and LSCH2 of Layerscape watchdog 47 driver. 48 49config WATCHDOG_RESET_DISABLE 50 bool "Disable reset watchdog" 51 depends on IMX_WATCHDOG 52 help 53 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so 54 that the watchdog will not be fed in u-boot. 55 56config OMAP_WATCHDOG 57 bool "TI OMAP watchdog driver" 58 depends on ARCH_OMAP2PLUS 59 select HW_WATCHDOG 60 help 61 Say Y here to enable the OMAP3+ watchdog driver. 62 63config ULP_WATCHDOG 64 bool "i.MX7ULP watchdog" 65 help 66 Say Y here to enable i.MX7ULP watchdog driver. 67 68config DESIGNWARE_WATCHDOG 69 bool "Designware watchdog timer support" 70 depends on WDT 71 default y if ROCKCHIP_RK3399 72 help 73 Enable this to support Designware Watchdog Timer IP, present e.g. 74 on Altera SoCFPGA SoCs. 75 76config WDT 77 bool "Enable driver model for watchdog timer drivers" 78 depends on DM 79 imply WATCHDOG 80 select CYCLIC 81 help 82 Enable driver model for watchdog timer. At the moment the API 83 is very simple and only supports four operations: 84 start, stop, reset and expire_now (expire immediately). 85 What exactly happens when the timer expires is up to a particular 86 device/driver. 87 88config WDT_APPLE 89 bool "Apple watchdog timer support" 90 depends on WDT 91 default y if ARCH_APPLE 92 help 93 Enable support for the watchdog timer on Apple SoCs. 94 The watchdog will perform a full SoC reset resulting in a 95 reboot of the entire system. 96 97config WDT_ARMADA_37XX 98 bool "Marvell Armada 37xx watchdog timer support" 99 depends on WDT && ARMADA_3700 100 help 101 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC. 102 There are 4 possible clocks which can be used on these SoCs. This 103 driver uses the second clock (ID 1), assuming that so will also 104 Linux's driver. 105 106config WDT_ASPEED 107 bool "Aspeed ast2400/ast2500 watchdog timer support" 108 depends on WDT 109 default y if ARCH_ASPEED 110 help 111 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 112 The watchdog timer is stopped when initialized. It performs reset, either 113 full SoC reset or CPU or just some peripherals, based on the flags. 114 It currently does not support Boot Flash Addressing Mode Detection or 115 Second Boot. 116 117config WDT_AST2600 118 bool "Aspeed AST2600 watchdog timer support" 119 depends on WDT 120 default y if ASPEED_AST2600 121 help 122 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 123 The watchdog timer is stopped when initialized. It performs reset, either 124 full SoC reset or CPU or just some peripherals, based on the flags. 125 126config WDT_AT91 127 bool "AT91 watchdog timer support" 128 depends on WDT 129 help 130 Select this to enable Microchip watchdog timer, which can be found on 131 some AT91 devices. 132 133config WDT_ATCWDT200 134 bool "Andes watchdog timer support" 135 depends on WDT 136 help 137 Select this to enable Andes ATCWDT200 watchdog timer 138 139config WDT_BCM6345 140 bool "BCM6345 watchdog timer support" 141 depends on WDT && (ARCH_BMIPS || BCM6856 || \ 142 BCM6858 || BCM63158 || BCM6855) 143 help 144 Select this to enable watchdog timer for BCM6345 SoCs. 145 The watchdog timer is stopped when initialized. 146 It performs full SoC reset. 147 148config WDT_BOOKE 149 bool "PowerPC Book-E watchdog driver" 150 depends on WDT && MPC85xx 151 help 152 Watchdog driver for PowerPC Book-E chips, such as the Freescale 153 MPC85xx SOCs and the IBM PowerPC 440. 154 155config WDT_CDNS 156 bool "Cadence watchdog timer support" 157 depends on WDT 158 imply WATCHDOG 159 help 160 Select this to enable Cadence watchdog timer, which can be found on some 161 Xilinx Microzed Platform. 162 163config WDT_CORTINA 164 bool "Cortina Access CAxxxx watchdog timer support" 165 depends on WDT 166 help 167 Cortina Access CAxxxx watchdog timer support. 168 This driver support all CPU ISAs supported by Cortina 169 Access CAxxxx SoCs. 170 171config WDT_GPIO 172 bool "External gpio watchdog support" 173 depends on WDT 174 depends on DM_GPIO 175 help 176 Support for external watchdog fed by toggling a gpio. See 177 doc/device-tree-bindings/watchdog/gpio-wdt.txt for 178 information on how to describe the watchdog in device tree. 179 180config WDT_MAX6370 181 bool "MAX6370 watchdog timer support" 182 depends on WDT 183 select DM_GPIO 184 help 185 Select this to enable max6370 watchdog timer. 186 187config WDT_MCF 188 bool "ColdFire family watchdog timer support" 189 depends on WDT 190 help 191 Select this to enable ColdFire watchdog timer, 192 which supports mcf52x2 mcf532x mcf523x families. 193 194config WDT_MESON_GXBB 195 bool "Amlogic watchdog timer support" 196 depends on WDT 197 help 198 Select this to enable Meson watchdog timer, 199 which can be found on some Amlogic platforms. 200 201config WDT_MPC8xxx 202 bool "MPC8xxx watchdog timer support" 203 depends on WDT && (MPC8xx || MPC83xx) 204 help 205 Select this to enable mpc8xxx watchdog timer 206 207config WDT_MPC8xxx_BME 208 bool "Enable MPC8xx Bus Monitoring" 209 depends on WDT_MPC8xxx && MPC8xx 210 help 211 Select this to enable mpc8xx Bus Monitor. 212 213config WDT_MPC8xxx_BMT 214 int "MPC8xx Bus Monitor Timing" if WDT_MPC8xxx_BME 215 range 0 255 216 default 255 217 depends on WDT_MPC8xxx 218 help 219 Bus monitor timing. Defines the timeout period, in 8 system clock 220 resolution, for the bus monitor. 221 222 Maximum timeout is 2,040 clocks (255 x 8). 223 224config WDT_MT7620 225 bool "MediaTek MT7620 watchdog timer support" 226 depends on WDT && SOC_MT7620 227 help 228 Select this to enable watchdog timer on MediaTek MT7620 and earlier 229 SoC chips. 230 231config WDT_MT7621 232 bool "MediaTek MT7621 watchdog timer support" 233 depends on WDT && (SOC_MT7621 || SOC_MT7628) 234 help 235 Select this to enable Ralink / Mediatek watchdog timer, 236 which can be found on some MediaTek chips. 237 238config WDT_MTK 239 bool "MediaTek watchdog timer support" 240 depends on WDT && ARCH_MEDIATEK 241 help 242 Select this to enable watchdog timer for MediaTek SoCs. 243 The watchdog timer is stopped when initialized. 244 It performs full SoC reset. 245 246config WDT_NPCM 247 bool "Nuvoton watchdog timer support" 248 depends on WDT && ARCH_NPCM 249 help 250 This enables Nuvoton npcm7xx/npcm8xx watchdog timer driver, 251 The watchdog timer is stopped when initialized. 252 It performs full SoC reset. 253 254config WDT_OCTEONTX 255 bool "Octeon core watchdog support" 256 depends on WDT && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) 257 default y 258 imply WATCHDOG 259 help 260 This enables the Octeon watchdog driver, which can be found on 261 various Octeon parts such as Octeon II/III and OcteonTX/TX2. 262 263config WDT_OMAP3 264 bool "TI OMAP watchdog timer support" 265 depends on WDT && ARCH_OMAP2PLUS 266 default y if AM33XX 267 help 268 This enables OMAP3+ watchdog timer driver, which can be 269 found on some TI chipsets and inline with driver model. 270 271config WDT_ORION 272 bool "Orion watchdog timer support" 273 depends on WDT 274 select CLK 275 help 276 Select this to enable Orion watchdog timer, which can be found on some 277 Marvell Armada chips. 278 279config WDT_K3_RTI 280 bool "Texas Instruments K3 RTI watchdog" 281 depends on WDT && ARCH_K3 282 help 283 Say Y here if you want to include support for the K3 watchdog 284 timer (RTI module) available in the K3 generation of processors. 285 286if WDT_K3_RTI 287 288config WDT_K3_RTI_LOAD_FW 289 bool "Load watchdog firmware" 290 depends on REMOTEPROC 291 help 292 Automatically load the specified firmware image into the MCU R5F 293 core 0. On the AM65x, this firmware is supposed to handle the expiry 294 of the watchdog timer, typically by resetting the system. 295 296config WDT_K3_RTI_FW_FILE 297 string "Watchdog firmware image file" 298 default "k3-rti-wdt.fw" 299 depends on WDT_K3_RTI_LOAD_FW 300 help 301 Firmware image to be embedded into U-Boot and loaded on watchdog 302 start. 303 304endif 305 306config WDT_SANDBOX 307 bool "Enable Watchdog Timer support for Sandbox" 308 depends on SANDBOX && WDT 309 help 310 Enable Watchdog Timer support in Sandbox. This is a dummy device that 311 can be probed and supports all of the methods of WDT, but does not 312 really do anything. 313 314config WDT_ALARM_SANDBOX 315 bool "Enable SIGALRM-based Watchdog Timer support for Sandbox" 316 depends on SANDBOX && WDT 317 help 318 Enable support for a SIGALRM-based watchdog timer in Sandbox. This is 319 a watchdog device based on the host OS' alarm() function, which will 320 kill the sandbox with SIGALRM unless properly maintained. 321 322config WDT_SBSA 323 bool "SBSA watchdog timer support" 324 depends on WDT 325 help 326 Select this to enable SBSA watchdog timer. 327 This driver can operate ARM SBSA Generic Watchdog as a single stage. 328 In the single stage mode, when the timeout is reached, your system 329 will be reset by WS1. The first signal (WS0) is ignored. 330 331config WDT_SL28CPLD 332 bool "sl28cpld watchdog timer support" 333 depends on WDT && SL28CPLD 334 help 335 Enable support for the watchdog timer in the Kontron sl28cpld 336 management controller. 337 338config WDT_SP805 339 bool "SP805 watchdog timer support" 340 depends on WDT 341 help 342 Select this to enable SP805 watchdog timer, which can be found on some 343 nxp layerscape chips. 344 345config WDT_STM32MP 346 bool "IWDG watchdog driver for STM32 MP's family" 347 depends on WDT 348 imply WATCHDOG 349 help 350 Enable the STM32 watchdog (IWDG) driver. Enable support to 351 configure STM32's on-SoC watchdog. 352 353config WDT_STARFIVE 354 bool "StarFive watchdog timer support" 355 depends on WDT 356 imply WATCHDOG 357 help 358 Enable support for the watchdog timer of StarFive JH7110 SoC. 359 360config WDT_SUNXI 361 bool "Allwinner sunxi watchdog timer support" 362 depends on WDT && ARCH_SUNXI 363 default y 364 help 365 Enable support for the watchdog timer in Allwinner sunxi SoCs. 366 367config WDT_BCM2835 368 bool "Broadcom 2835 watchdog timer support" 369 depends on WDT && ARCH_BCM283X 370 default y 371 help 372 Enable support for the watchdog timer in Broadcom 283X SoCs such 373 as Raspberry Pi boards. 374 375config XILINX_TB_WATCHDOG 376 bool "Xilinx Axi watchdog timer support" 377 depends on WDT 378 imply WATCHDOG 379 help 380 Select this to enable Xilinx Axi watchdog timer, which can be found on some 381 Xilinx Microblaze Platforms. 382 383config WDT_XILINX 384 bool "Xilinx window watchdog timer support" 385 depends on WDT && ARCH_VERSAL 386 select REGMAP 387 imply WATCHDOG 388 help 389 Select this to enable Xilinx window watchdog timer, which can be found on 390 Xilinx Versal Platforms. 391 392config WDT_TANGIER 393 bool "Intel Tangier watchdog timer support" 394 depends on WDT && INTEL_MID 395 help 396 This enables support for watchdog controller available on 397 Intel Tangier SoC. If you're using a board with Intel Tangier 398 SoC, say Y here. 399 400config WDT_ARM_SMC 401 bool "ARM SMC watchdog timer support" 402 depends on WDT && ARM_SMCCC 403 imply WATCHDOG 404 help 405 Select this to enable Arm SMC watchdog timer. This watchdog will manage 406 a watchdog based on ARM SMCCC communication. 407 408config SPL_WDT 409 bool "Enable driver model for watchdog timer drivers in SPL" 410 depends on SPL_DM 411 help 412 Enable driver model for watchdog timer in SPL. 413 This is similar to CONFIG_WDT in U-Boot. 414 415config WDT_FTWDT010 416 bool "Faraday Technology ftwdt010 watchdog timer support" 417 depends on WDT 418 imply WATCHDOG 419 help 420 Faraday Technology ftwdt010 watchdog is an architecture independent 421 watchdog. It is usually used in SoC chip design. 422endmenu 423