menu "Watchdog Timer Support" config WATCHDOG bool "Enable U-Boot watchdog reset" depends on !HW_WATCHDOG select CYCLIC help This option enables U-Boot watchdog support where U-Boot is using watchdog_reset function to service watchdog device in U-Boot. Enable this option if you want to service enabled watchdog by U-Boot. Disable this option if you want U-Boot to start watchdog but never service it. config WATCHDOG_AUTOSTART bool "Automatically start watchdog timer" depends on WDT default n if ARCH_SUNXI default y help Automatically start watchdog timer and start servicing it during init phase. Enabled by default. Disable this option if you want to compile U-Boot with CONFIG_WDT support but do not want to activate watchdog, like when CONFIG_WDT option is disabled. You would be able to start watchdog manually by 'wdt' command. Useful when you want to have support for 'wdt' command but do not want to have watchdog enabled by default. config WATCHDOG_TIMEOUT_MSECS int "Watchdog timeout in msec" default 128000 if ARCH_MX31 || ARCH_MX5 || ARCH_MX6 default 128000 if ARCH_MX7 || ARCH_VF610 default 30000 if ARCH_SOCFPGA default 16000 if ARCH_SUNXI default 5376 if ULP_WATCHDOG default 15000 if ARCH_BCM283X default 60000 help Watchdog timeout in msec config HW_WATCHDOG bool config IMX_WATCHDOG bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" select HW_WATCHDOG if !WDT help Select this to enable the IMX and LSCH2 of Layerscape watchdog driver. config WATCHDOG_RESET_DISABLE bool "Disable reset watchdog" depends on IMX_WATCHDOG help Disable reset watchdog, which can let WATCHDOG_RESET invalid, so that the watchdog will not be fed in u-boot. config OMAP_WATCHDOG bool "TI OMAP watchdog driver" depends on ARCH_OMAP2PLUS select HW_WATCHDOG help Say Y here to enable the OMAP3+ watchdog driver. config ULP_WATCHDOG bool "i.MX7ULP watchdog" help Say Y here to enable i.MX7ULP watchdog driver. config DESIGNWARE_WATCHDOG bool "Designware watchdog timer support" depends on WDT default y if ROCKCHIP_RK3399 help Enable this to support Designware Watchdog Timer IP, present e.g. on Altera SoCFPGA SoCs. config WDT bool "Enable driver model for watchdog timer drivers" depends on DM imply WATCHDOG select CYCLIC help Enable driver model for watchdog timer. At the moment the API is very simple and only supports four operations: start, stop, reset and expire_now (expire immediately). What exactly happens when the timer expires is up to a particular device/driver. config WDT_APPLE bool "Apple watchdog timer support" depends on WDT default y if ARCH_APPLE help Enable support for the watchdog timer on Apple SoCs. The watchdog will perform a full SoC reset resulting in a reboot of the entire system. config WDT_ARMADA_37XX bool "Marvell Armada 37xx watchdog timer support" depends on WDT && ARMADA_3700 help Enable this to support Watchdog Timer on Marvell Armada 37xx SoC. There are 4 possible clocks which can be used on these SoCs. This driver uses the second clock (ID 1), assuming that so will also Linux's driver. config WDT_ASPEED bool "Aspeed ast2400/ast2500 watchdog timer support" depends on WDT default y if ARCH_ASPEED help Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. The watchdog timer is stopped when initialized. It performs reset, either full SoC reset or CPU or just some peripherals, based on the flags. It currently does not support Boot Flash Addressing Mode Detection or Second Boot. config WDT_AST2600 bool "Aspeed AST2600 watchdog timer support" depends on WDT default y if ASPEED_AST2600 help Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. The watchdog timer is stopped when initialized. It performs reset, either full SoC reset or CPU or just some peripherals, based on the flags. config WDT_AT91 bool "AT91 watchdog timer support" depends on WDT help Select this to enable Microchip watchdog timer, which can be found on some AT91 devices. config WDT_BCM6345 bool "BCM6345 watchdog timer support" depends on WDT && (ARCH_BMIPS || BCM6856 || \ BCM6858 || BCM63158 || BCM6855) help Select this to enable watchdog timer for BCM6345 SoCs. The watchdog timer is stopped when initialized. It performs full SoC reset. config WDT_BOOKE bool "PowerPC Book-E watchdog driver" depends on WDT && MPC85xx help Watchdog driver for PowerPC Book-E chips, such as the Freescale MPC85xx SOCs and the IBM PowerPC 440. config WDT_CDNS bool "Cadence watchdog timer support" depends on WDT imply WATCHDOG help Select this to enable Cadence watchdog timer, which can be found on some Xilinx Microzed Platform. config WDT_CORTINA bool "Cortina Access CAxxxx watchdog timer support" depends on WDT help Cortina Access CAxxxx watchdog timer support. This driver support all CPU ISAs supported by Cortina Access CAxxxx SoCs. config WDT_GPIO bool "External gpio watchdog support" depends on WDT depends on DM_GPIO help Support for external watchdog fed by toggling a gpio. See doc/device-tree-bindings/watchdog/gpio-wdt.txt for information on how to describe the watchdog in device tree. config WDT_MAX6370 bool "MAX6370 watchdog timer support" depends on WDT select DM_GPIO help Select this to enable max6370 watchdog timer. config WDT_MCF bool "ColdFire family watchdog timer support" depends on WDT help Select this to enable ColdFire watchdog timer, which supports mcf52x2 mcf532x mcf523x families. config WDT_MESON_GXBB bool "Amlogic watchdog timer support" depends on WDT help Select this to enable Meson watchdog timer, which can be found on some Amlogic platforms. config WDT_MPC8xxx bool "MPC8xxx watchdog timer support" depends on WDT && (MPC8xx || MPC83xx) help Select this to enable mpc8xxx watchdog timer config WDT_MPC8xxx_BME bool "Enable MPC8xx Bus Monitoring" depends on WDT_MPC8xxx && MPC8xx help Select this to enable mpc8xx Bus Monitor. config WDT_MPC8xxx_BMT int "MPC8xx Bus Monitor Timing" if WDT_MPC8xxx_BME range 0 255 default 255 depends on WDT_MPC8xxx help Bus monitor timing. Defines the timeout period, in 8 system clock resolution, for the bus monitor. Maximum timeout is 2,040 clocks (255 x 8). config WDT_MT7620 bool "MediaTek MT7620 watchdog timer support" depends on WDT && SOC_MT7620 help Select this to enable watchdog timer on MediaTek MT7620 and earlier SoC chips. config WDT_MT7621 bool "MediaTek MT7621 watchdog timer support" depends on WDT && (SOC_MT7621 || SOC_MT7628) help Select this to enable Ralink / Mediatek watchdog timer, which can be found on some MediaTek chips. config WDT_MTK bool "MediaTek watchdog timer support" depends on WDT && ARCH_MEDIATEK help Select this to enable watchdog timer for MediaTek SoCs. The watchdog timer is stopped when initialized. It performs full SoC reset. config WDT_NPCM bool "Nuvoton watchdog timer support" depends on WDT && ARCH_NPCM help This enables Nuvoton npcm7xx/npcm8xx watchdog timer driver, The watchdog timer is stopped when initialized. It performs full SoC reset. config WDT_OCTEONTX bool "Octeon core watchdog support" depends on WDT && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) default y imply WATCHDOG help This enables the Octeon watchdog driver, which can be found on various Octeon parts such as Octeon II/III and OcteonTX/TX2. config WDT_OMAP3 bool "TI OMAP watchdog timer support" depends on WDT && ARCH_OMAP2PLUS default y if AM33XX help This enables OMAP3+ watchdog timer driver, which can be found on some TI chipsets and inline with driver model. config WDT_ORION bool "Orion watchdog timer support" depends on WDT select CLK help Select this to enable Orion watchdog timer, which can be found on some Marvell Armada chips. config WDT_K3_RTI bool "Texas Instruments K3 RTI watchdog" depends on WDT && ARCH_K3 help Say Y here if you want to include support for the K3 watchdog timer (RTI module) available in the K3 generation of processors. if WDT_K3_RTI config WDT_K3_RTI_LOAD_FW bool "Load watchdog firmware" depends on REMOTEPROC help Automatically load the specified firmware image into the MCU R5F core 0. On the AM65x, this firmware is supposed to handle the expiry of the watchdog timer, typically by resetting the system. config WDT_K3_RTI_FW_FILE string "Watchdog firmware image file" default "k3-rti-wdt.fw" depends on WDT_K3_RTI_LOAD_FW help Firmware image to be embedded into U-Boot and loaded on watchdog start. endif config WDT_SANDBOX bool "Enable Watchdog Timer support for Sandbox" depends on SANDBOX && WDT help Enable Watchdog Timer support in Sandbox. This is a dummy device that can be probed and supports all of the methods of WDT, but does not really do anything. config WDT_ALARM_SANDBOX bool "Enable SIGALRM-based Watchdog Timer support for Sandbox" depends on SANDBOX && WDT help Enable support for a SIGALRM-based watchdog timer in Sandbox. This is a watchdog device based on the host OS' alarm() function, which will kill the sandbox with SIGALRM unless properly maintained. config WDT_SBSA bool "SBSA watchdog timer support" depends on WDT help Select this to enable SBSA watchdog timer. This driver can operate ARM SBSA Generic Watchdog as a single stage. In the single stage mode, when the timeout is reached, your system will be reset by WS1. The first signal (WS0) is ignored. config WDT_SL28CPLD bool "sl28cpld watchdog timer support" depends on WDT && SL28CPLD help Enable support for the watchdog timer in the Kontron sl28cpld management controller. config WDT_SP805 bool "SP805 watchdog timer support" depends on WDT help Select this to enable SP805 watchdog timer, which can be found on some nxp layerscape chips. config WDT_STM32MP bool "IWDG watchdog driver for STM32 MP's family" depends on WDT imply WATCHDOG help Enable the STM32 watchdog (IWDG) driver. Enable support to configure STM32's on-SoC watchdog. config WDT_SUNXI bool "Allwinner sunxi watchdog timer support" depends on WDT && ARCH_SUNXI default y help Enable support for the watchdog timer in Allwinner sunxi SoCs. config WDT_BCM2835 bool "Broadcom 2835 watchdog timer support" depends on WDT && ARCH_BCM283X default y help Enable support for the watchdog timer in Broadcom 283X SoCs such as Raspberry Pi boards. config XILINX_TB_WATCHDOG bool "Xilinx Axi watchdog timer support" depends on WDT imply WATCHDOG help Select this to enable Xilinx Axi watchdog timer, which can be found on some Xilinx Microblaze Platforms. config WDT_XILINX bool "Xilinx window watchdog timer support" depends on WDT && ARCH_VERSAL select REGMAP imply WATCHDOG help Select this to enable Xilinx window watchdog timer, which can be found on Xilinx Versal Platforms. config WDT_TANGIER bool "Intel Tangier watchdog timer support" depends on WDT && INTEL_MID help This enables support for watchdog controller available on Intel Tangier SoC. If you're using a board with Intel Tangier SoC, say Y here. config WDT_ARM_SMC bool "ARM SMC watchdog timer support" depends on WDT && ARM_SMCCC imply WATCHDOG help Select this to enable Arm SMC watchdog timer. This watchdog will manage a watchdog based on ARM SMCCC communication. config SPL_WDT bool "Enable driver model for watchdog timer drivers in SPL" depends on SPL_DM help Enable driver model for watchdog timer in SPL. This is similar to CONFIG_WDT in U-Boot. config WDT_FTWDT010 bool "Faraday Technology ftwdt010 watchdog timer support" depends on WDT imply WATCHDOG help Faraday Technology ftwdt010 watchdog is an architecture independent watchdog. It is usually used in SoC chip design. endmenu