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 || BCM6856 || \
134 BCM6858 || BCM63158 || BCM6855)
136 Select this to enable watchdog timer for BCM6345 SoCs.
137 The watchdog timer is stopped when initialized.
138 It performs full SoC reset.
141 bool "PowerPC Book-E watchdog driver"
142 depends on WDT && MPC85xx
144 Watchdog driver for PowerPC Book-E chips, such as the Freescale
145 MPC85xx SOCs and the IBM PowerPC 440.
148 bool "Cadence watchdog timer support"
152 Select this to enable Cadence watchdog timer, which can be found on some
153 Xilinx Microzed Platform.
156 bool "Cortina Access CAxxxx watchdog timer support"
159 Cortina Access CAxxxx watchdog timer support.
160 This driver support all CPU ISAs supported by Cortina
164 bool "External gpio watchdog support"
168 Support for external watchdog fed by toggling a gpio. See
169 doc/device-tree-bindings/watchdog/gpio-wdt.txt for
170 information on how to describe the watchdog in device tree.
173 bool "MAX6370 watchdog timer support"
177 Select this to enable max6370 watchdog timer.
179 config WDT_MESON_GXBB
180 bool "Amlogic watchdog timer support"
183 Select this to enable Meson watchdog timer,
184 which can be found on some Amlogic platforms.
187 bool "MPC8xx watchdog timer support"
188 depends on WDT && MPC8xx
191 Select this to enable mpc8xx watchdog timer
194 bool "MediaTek MT7620 watchdog timer support"
195 depends on WDT && SOC_MT7620
197 Select this to enable watchdog timer on MediaTek MT7620 and earlier
201 bool "MediaTek MT7621 watchdog timer support"
202 depends on WDT && (SOC_MT7621 || SOC_MT7628)
204 Select this to enable Ralink / Mediatek watchdog timer,
205 which can be found on some MediaTek chips.
208 bool "MediaTek watchdog timer support"
209 depends on WDT && ARCH_MEDIATEK
211 Select this to enable watchdog timer for MediaTek SoCs.
212 The watchdog timer is stopped when initialized.
213 It performs full SoC reset.
216 bool "Nuvoton watchdog timer support"
217 depends on WDT && ARCH_NPCM
219 This enables Nuvoton npcm7xx/npcm8xx watchdog timer driver,
220 The watchdog timer is stopped when initialized.
221 It performs full SoC reset.
224 bool "Octeon core watchdog support"
225 depends on WDT && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
229 This enables the Octeon watchdog driver, which can be found on
230 various Octeon parts such as Octeon II/III and OcteonTX/TX2.
233 bool "TI OMAP watchdog timer support"
234 depends on WDT && ARCH_OMAP2PLUS
237 This enables OMAP3+ watchdog timer driver, which can be
238 found on some TI chipsets and inline with driver model.
241 bool "Orion watchdog timer support"
245 Select this to enable Orion watchdog timer, which can be found on some
246 Marvell Armada chips.
249 bool "Texas Instruments K3 RTI watchdog"
250 depends on WDT && ARCH_K3
252 Say Y here if you want to include support for the K3 watchdog
253 timer (RTI module) available in the K3 generation of processors.
257 config WDT_K3_RTI_LOAD_FW
258 bool "Load watchdog firmware"
259 depends on REMOTEPROC
261 Automatically load the specified firmware image into the MCU R5F
262 core 0. On the AM65x, this firmware is supposed to handle the expiry
263 of the watchdog timer, typically by resetting the system.
265 config WDT_K3_RTI_FW_FILE
266 string "Watchdog firmware image file"
267 default "k3-rti-wdt.fw"
268 depends on WDT_K3_RTI_LOAD_FW
270 Firmware image to be embedded into U-Boot and loaded on watchdog
276 bool "Enable Watchdog Timer support for Sandbox"
277 depends on SANDBOX && WDT
279 Enable Watchdog Timer support in Sandbox. This is a dummy device that
280 can be probed and supports all of the methods of WDT, but does not
283 config WDT_ALARM_SANDBOX
284 bool "Enable SIGALRM-based Watchdog Timer support for Sandbox"
285 depends on SANDBOX && WDT
287 Enable support for a SIGALRM-based watchdog timer in Sandbox. This is
288 a watchdog device based on the host OS' alarm() function, which will
289 kill the sandbox with SIGALRM unless properly maintained.
292 bool "SBSA watchdog timer support"
295 Select this to enable SBSA watchdog timer.
296 This driver can operate ARM SBSA Generic Watchdog as a single stage.
297 In the single stage mode, when the timeout is reached, your system
298 will be reset by WS1. The first signal (WS0) is ignored.
301 bool "sl28cpld watchdog timer support"
302 depends on WDT && SL28CPLD
304 Enable support for the watchdog timer in the Kontron sl28cpld
305 management controller.
308 bool "SP805 watchdog timer support"
311 Select this to enable SP805 watchdog timer, which can be found on some
312 nxp layerscape chips.
315 bool "IWDG watchdog driver for STM32 MP's family"
319 Enable the STM32 watchdog (IWDG) driver. Enable support to
320 configure STM32's on-SoC watchdog.
323 bool "Allwinner sunxi watchdog timer support"
324 depends on WDT && ARCH_SUNXI
327 Enable support for the watchdog timer in Allwinner sunxi SoCs.
329 config XILINX_TB_WATCHDOG
330 bool "Xilinx Axi watchdog timer support"
334 Select this to enable Xilinx Axi watchdog timer, which can be found on some
335 Xilinx Microblaze Platforms.
338 bool "Xilinx window watchdog timer support"
339 depends on WDT && ARCH_VERSAL
343 Select this to enable Xilinx window watchdog timer, which can be found on
344 Xilinx Versal Platforms.
347 bool "Intel Tangier watchdog timer support"
348 depends on WDT && INTEL_MID
350 This enables support for watchdog controller available on
351 Intel Tangier SoC. If you're using a board with Intel Tangier
355 bool "Enable driver model for watchdog timer drivers in SPL"
358 Enable driver model for watchdog timer in SPL.
359 This is similar to CONFIG_WDT in U-Boot.