1 menu "Watchdog Timer Support"
4 bool "Enable U-Boot watchdog reset"
5 depends on !HW_WATCHDOG
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.
13 config WATCHDOG_AUTOSTART
14 bool "Automatically start watchdog timer"
16 default n if ARCH_SUNXI
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.
27 config 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
35 Watchdog timeout in msec
41 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP"
42 select HW_WATCHDOG if !WDT
44 Select this to enable the IMX and LSCH2 of Layerscape watchdog
47 config WATCHDOG_RESET_DISABLE
48 bool "Disable reset watchdog"
49 depends on IMX_WATCHDOG
51 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so
52 that the watchdog will not be fed in u-boot.
55 bool "TI OMAP watchdog driver"
56 depends on ARCH_OMAP2PLUS
59 Say Y here to enable the OMAP3+ watchdog driver.
62 bool "i.MX7ULP watchdog"
64 Say Y here to enable i.MX7ULP watchdog driver.
66 config DESIGNWARE_WATCHDOG
67 bool "Designware watchdog timer support"
69 default y if ROCKCHIP_RK3399
71 Enable this to support Designware Watchdog Timer IP, present e.g.
72 on Altera SoCFPGA SoCs.
75 bool "Enable driver model for watchdog timer drivers"
80 Enable driver model for watchdog timer. At the moment the API
81 is very simple and only supports four operations:
82 start, stop, reset and expire_now (expire immediately).
83 What exactly happens when the timer expires is up to a particular
87 bool "Apple watchdog timer support"
89 default y if ARCH_APPLE
91 Enable support for the watchdog timer on Apple SoCs.
92 The watchdog will perform a full SoC reset resulting in a
93 reboot of the entire system.
95 config WDT_ARMADA_37XX
96 bool "Marvell Armada 37xx watchdog timer support"
97 depends on WDT && ARMADA_3700
99 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
100 There are 4 possible clocks which can be used on these SoCs. This
101 driver uses the second clock (ID 1), assuming that so will also
105 bool "Aspeed ast2400/ast2500 watchdog timer support"
107 default y if ARCH_ASPEED
109 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
110 The watchdog timer is stopped when initialized. It performs reset, either
111 full SoC reset or CPU or just some peripherals, based on the flags.
112 It currently does not support Boot Flash Addressing Mode Detection or
116 bool "Aspeed AST2600 watchdog timer support"
118 default y if ASPEED_AST2600
120 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
121 The watchdog timer is stopped when initialized. It performs reset, either
122 full SoC reset or CPU or just some peripherals, based on the flags.
125 bool "AT91 watchdog timer support"
128 Select this to enable Microchip watchdog timer, which can be found on
132 bool "BCM6345 watchdog timer support"
133 depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \
134 ARCH_BCM6858 || ARCH_BCM63158 || \
137 Select this to enable watchdog timer for BCM6345 SoCs.
138 The watchdog timer is stopped when initialized.
139 It performs full SoC reset.
142 bool "PowerPC Book-E watchdog driver"
143 depends on WDT && MPC85xx
145 Watchdog driver for PowerPC Book-E chips, such as the Freescale
146 MPC85xx SOCs and the IBM PowerPC 440.
149 bool "Cadence watchdog timer support"
153 Select this to enable Cadence watchdog timer, which can be found on some
154 Xilinx Microzed Platform.
157 bool "Cortina Access CAxxxx watchdog timer support"
160 Cortina Access CAxxxx watchdog timer support.
161 This driver support all CPU ISAs supported by Cortina
165 bool "External gpio watchdog support"
169 Support for external watchdog fed by toggling a gpio. See
170 doc/device-tree-bindings/watchdog/gpio-wdt.txt for
171 information on how to describe the watchdog in device tree.
174 bool "MAX6370 watchdog timer support"
178 Select this to enable max6370 watchdog timer.
180 config WDT_MESON_GXBB
181 bool "Amlogic watchdog timer support"
184 Select this to enable Meson watchdog timer,
185 which can be found on some Amlogic platforms.
188 bool "MPC8xx watchdog timer support"
189 depends on WDT && MPC8xx
192 Select this to enable mpc8xx watchdog timer
195 bool "MediaTek MT7620 watchdog timer support"
196 depends on WDT && SOC_MT7620
198 Select this to enable watchdog timer on MediaTek MT7620 and earlier
202 bool "MediaTek MT7621 watchdog timer support"
203 depends on WDT && (SOC_MT7621 || SOC_MT7628)
205 Select this to enable Ralink / Mediatek watchdog timer,
206 which can be found on some MediaTek chips.
209 bool "MediaTek watchdog timer support"
210 depends on WDT && ARCH_MEDIATEK
212 Select this to enable watchdog timer for MediaTek SoCs.
213 The watchdog timer is stopped when initialized.
214 It performs full SoC reset.
217 bool "Nuvoton watchdog timer support"
218 depends on WDT && ARCH_NPCM
220 This enables Nuvoton npcm7xx/npcm8xx watchdog timer driver,
221 The watchdog timer is stopped when initialized.
222 It performs full SoC reset.
225 bool "Octeon core watchdog support"
226 depends on WDT && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
230 This enables the Octeon watchdog driver, which can be found on
231 various Octeon parts such as Octeon II/III and OcteonTX/TX2.
234 bool "TI OMAP watchdog timer support"
235 depends on WDT && ARCH_OMAP2PLUS
238 This enables OMAP3+ watchdog timer driver, which can be
239 found on some TI chipsets and inline with driver model.
242 bool "Orion watchdog timer support"
246 Select this to enable Orion watchdog timer, which can be found on some
247 Marvell Armada chips.
250 bool "Texas Instruments K3 RTI watchdog"
251 depends on WDT && ARCH_K3
253 Say Y here if you want to include support for the K3 watchdog
254 timer (RTI module) available in the K3 generation of processors.
258 config WDT_K3_RTI_LOAD_FW
259 bool "Load watchdog firmware"
260 depends on REMOTEPROC
262 Automatically load the specified firmware image into the MCU R5F
263 core 0. On the AM65x, this firmware is supposed to handle the expiry
264 of the watchdog timer, typically by resetting the system.
266 config WDT_K3_RTI_FW_FILE
267 string "Watchdog firmware image file"
268 default "k3-rti-wdt.fw"
269 depends on WDT_K3_RTI_LOAD_FW
271 Firmware image to be embedded into U-Boot and loaded on watchdog
277 bool "Enable Watchdog Timer support for Sandbox"
278 depends on SANDBOX && WDT
280 Enable Watchdog Timer support in Sandbox. This is a dummy device that
281 can be probed and supports all of the methods of WDT, but does not
284 config WDT_ALARM_SANDBOX
285 bool "Enable SIGALRM-based Watchdog Timer support for Sandbox"
286 depends on SANDBOX && WDT
288 Enable support for a SIGALRM-based watchdog timer in Sandbox. This is
289 a watchdog device based on the host OS' alarm() function, which will
290 kill the sandbox with SIGALRM unless properly maintained.
293 bool "SBSA watchdog timer support"
296 Select this to enable SBSA watchdog timer.
297 This driver can operate ARM SBSA Generic Watchdog as a single stage.
298 In the single stage mode, when the timeout is reached, your system
299 will be reset by WS1. The first signal (WS0) is ignored.
302 bool "sl28cpld watchdog timer support"
303 depends on WDT && SL28CPLD
305 Enable support for the watchdog timer in the Kontron sl28cpld
306 management controller.
309 bool "SP805 watchdog timer support"
312 Select this to enable SP805 watchdog timer, which can be found on some
313 nxp layerscape chips.
316 bool "IWDG watchdog driver for STM32 MP's family"
320 Enable the STM32 watchdog (IWDG) driver. Enable support to
321 configure STM32's on-SoC watchdog.
324 bool "Allwinner sunxi watchdog timer support"
325 depends on WDT && ARCH_SUNXI
328 Enable support for the watchdog timer in Allwinner sunxi SoCs.
330 config XILINX_TB_WATCHDOG
331 bool "Xilinx Axi watchdog timer support"
335 Select this to enable Xilinx Axi watchdog timer, which can be found on some
336 Xilinx Microblaze Platforms.
339 bool "Xilinx window watchdog timer support"
340 depends on WDT && ARCH_VERSAL
344 Select this to enable Xilinx window watchdog timer, which can be found on
345 Xilinx Versal Platforms.
348 bool "Intel Tangier watchdog timer support"
349 depends on WDT && INTEL_MID
351 This enables support for watchdog controller available on
352 Intel Tangier SoC. If you're using a board with Intel Tangier
356 bool "Enable driver model for watchdog timer drivers in SPL"
359 Enable driver model for watchdog timer in SPL.
360 This is similar to CONFIG_WDT in U-Boot.