1 menu "Watchdog Timer Support"
4 bool "Enable U-Boot watchdog reset"
5 depends on !HW_WATCHDOG
7 This option enables U-Boot watchdog support where U-Boot is using
8 watchdog_reset function to service watchdog device in U-Boot. Enable
9 this option if you want to service enabled watchdog by U-Boot. Disable
10 this option if you want U-Boot to start watchdog but never service it.
12 config WATCHDOG_AUTOSTART
13 bool "Automatically start watchdog timer"
15 default n if ARCH_SUNXI
18 Automatically start watchdog timer and start servicing it during
19 init phase. Enabled by default. Disable this option if you want
20 to compile U-Boot with CONFIG_WDT support but do not want to
21 activate watchdog, like when CONFIG_WDT option is disabled. You
22 would be able to start watchdog manually by 'wdt' command. Useful
23 when you want to have support for 'wdt' command but do not want
24 to have watchdog enabled by default.
26 config WATCHDOG_TIMEOUT_MSECS
27 int "Watchdog timeout in msec"
28 default 128000 if ARCH_MX31 || ARCH_MX5 || ARCH_MX6
29 default 128000 if ARCH_MX7 || ARCH_VF610
30 default 30000 if ARCH_SOCFPGA
31 default 16000 if ARCH_SUNXI
34 Watchdog timeout in msec
40 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP"
41 select HW_WATCHDOG if !WDT
43 Select this to enable the IMX and LSCH2 of Layerscape watchdog
46 config WATCHDOG_RESET_DISABLE
47 bool "Disable reset watchdog"
48 depends on IMX_WATCHDOG
50 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so
51 that the watchdog will not be fed in u-boot.
54 bool "TI OMAP watchdog driver"
55 depends on ARCH_OMAP2PLUS
58 Say Y here to enable the OMAP3+ watchdog driver.
61 bool "i.MX7ULP watchdog"
63 Say Y here to enable i.MX7ULP watchdog driver.
65 config DESIGNWARE_WATCHDOG
66 bool "Designware watchdog timer support"
67 select HW_WATCHDOG if !WDT
68 default y if WDT && ROCKCHIP_RK3399
70 Enable this to support Designware Watchdog Timer IP, present e.g.
71 on Altera SoCFPGA SoCs.
74 bool "Enable driver model for watchdog timer drivers"
78 Enable driver model for watchdog timer. At the moment the API
79 is very simple and only supports four operations:
80 start, stop, reset and expire_now (expire immediately).
81 What exactly happens when the timer expires is up to a particular
85 bool "Apple watchdog timer support"
87 default y if ARCH_APPLE
89 Enable support for the watchdog timer on Apple SoCs.
90 The watchdog will perform a full SoC reset resulting in a
91 reboot of the entire system.
93 config WDT_ARMADA_37XX
94 bool "Marvell Armada 37xx watchdog timer support"
95 depends on WDT && ARMADA_3700
97 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
98 There are 4 possible clocks which can be used on these SoCs. This
99 driver uses the second clock (ID 1), assuming that so will also
103 bool "Aspeed ast2400/ast2500 watchdog timer support"
105 default y if ARCH_ASPEED
107 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
108 The watchdog timer is stopped when initialized. It performs reset, either
109 full SoC reset or CPU or just some peripherals, based on the flags.
110 It currently does not support Boot Flash Addressing Mode Detection or
114 bool "Aspeed AST2600 watchdog timer support"
116 default y if ASPEED_AST2600
118 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
119 The watchdog timer is stopped when initialized. It performs reset, either
120 full SoC reset or CPU or just some peripherals, based on the flags.
123 bool "AT91 watchdog timer support"
126 Select this to enable Microchip watchdog timer, which can be found on
130 bool "BCM6345 watchdog timer support"
131 depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \
132 ARCH_BCM6858 || ARCH_BCM63158 || \
135 Select this to enable watchdog timer for BCM6345 SoCs.
136 The watchdog timer is stopped when initialized.
137 It performs full SoC reset.
140 bool "PowerPC Book-E watchdog driver"
141 depends on WDT && MPC85xx
143 Watchdog driver for PowerPC Book-E chips, such as the Freescale
144 MPC85xx SOCs and the IBM PowerPC 440.
147 bool "Cadence watchdog timer support"
151 Select this to enable Cadence watchdog timer, which can be found on some
152 Xilinx Microzed Platform.
155 bool "Cortina Access CAxxxx watchdog timer support"
158 Cortina Access CAxxxx watchdog timer support.
159 This driver support all CPU ISAs supported by Cortina
163 bool "External gpio watchdog support"
167 Support for external watchdog fed by toggling a gpio. See
168 doc/device-tree-bindings/watchdog/gpio-wdt.txt for
169 information on how to describe the watchdog in device tree.
172 bool "MAX6370 watchdog timer support"
176 Select this to enable max6370 watchdog timer.
179 bool "MPC8xx watchdog timer support"
180 depends on WDT && MPC8xx
183 Select this to enable mpc8xx watchdog timer
186 bool "MediaTek MT7620 watchdog timer support"
187 depends on WDT && SOC_MT7620
189 Select this to enable watchdog timer on MediaTek MT7620 and earlier
193 bool "MediaTek MT7621 watchdog timer support"
194 depends on WDT && SOC_MT7628
196 Select this to enable Ralink / Mediatek watchdog timer,
197 which can be found on some MediaTek chips.
200 bool "MediaTek watchdog timer support"
201 depends on WDT && ARCH_MEDIATEK
203 Select this to enable watchdog timer for MediaTek SoCs.
204 The watchdog timer is stopped when initialized.
205 It performs full SoC reset.
208 bool "Nuvoton watchdog timer support"
209 depends on WDT && ARCH_NPCM
211 This enables Nuvoton npcm7xx/npcm8xx watchdog timer driver,
212 The watchdog timer is stopped when initialized.
213 It performs full SoC reset.
216 bool "OcteonTX core watchdog support"
217 depends on WDT && (ARCH_OCTEONTX || ARCH_OCTEONTX2)
221 This enables OcteonTX watchdog driver, which can be
222 found on OcteonTX/TX2 chipsets and inline with driver model.
223 Only supports watchdog reset.
226 bool "TI OMAP watchdog timer support"
227 depends on WDT && ARCH_OMAP2PLUS
230 This enables OMAP3+ watchdog timer driver, which can be
231 found on some TI chipsets and inline with driver model.
234 bool "Orion watchdog timer support"
238 Select this to enable Orion watchdog timer, which can be found on some
239 Marvell Armada chips.
242 bool "Texas Instruments K3 RTI watchdog"
243 depends on WDT && ARCH_K3
245 Say Y here if you want to include support for the K3 watchdog
246 timer (RTI module) available in the K3 generation of processors.
250 config WDT_K3_RTI_LOAD_FW
251 bool "Load watchdog firmware"
252 depends on REMOTEPROC
254 Automatically load the specified firmware image into the MCU R5F
255 core 0. On the AM65x, this firmware is supposed to handle the expiry
256 of the watchdog timer, typically by resetting the system.
258 config WDT_K3_RTI_FW_FILE
259 string "Watchdog firmware image file"
260 default "k3-rti-wdt.fw"
261 depends on WDT_K3_RTI_LOAD_FW
263 Firmware image to be embedded into U-Boot and loaded on watchdog
269 bool "Enable Watchdog Timer support for Sandbox"
270 depends on SANDBOX && WDT
272 Enable Watchdog Timer support in Sandbox. This is a dummy device that
273 can be probed and supports all of the methods of WDT, but does not
277 bool "SBSA watchdog timer support"
280 Select this to enable SBSA watchdog timer.
281 This driver can operate ARM SBSA Generic Watchdog as a single stage.
282 In the single stage mode, when the timeout is reached, your system
283 will be reset by WS1. The first signal (WS0) is ignored.
286 bool "sl28cpld watchdog timer support"
287 depends on WDT && SL28CPLD
289 Enable support for the watchdog timer in the Kontron sl28cpld
290 management controller.
293 bool "SP805 watchdog timer support"
296 Select this to enable SP805 watchdog timer, which can be found on some
297 nxp layerscape chips.
300 bool "IWDG watchdog driver for STM32 MP's family"
304 Enable the STM32 watchdog (IWDG) driver. Enable support to
305 configure STM32's on-SoC watchdog.
308 bool "Allwinner sunxi watchdog timer support"
309 depends on WDT && ARCH_SUNXI
312 Enable support for the watchdog timer in Allwinner sunxi SoCs.
314 config XILINX_TB_WATCHDOG
315 bool "Xilinx Axi watchdog timer support"
319 Select this to enable Xilinx Axi watchdog timer, which can be found on some
320 Xilinx Microblaze Platforms.
323 bool "Xilinx window watchdog timer support"
324 depends on WDT && ARCH_VERSAL
328 Select this to enable Xilinx window watchdog timer, which can be found on
329 Xilinx Versal Platforms.
332 bool "Intel Tangier watchdog timer support"
333 depends on WDT && INTEL_MID
335 This enables support for watchdog controller available on
336 Intel Tangier SoC. If you're using a board with Intel Tangier
340 bool "Enable driver model for watchdog timer drivers in SPL"
343 Enable driver model for watchdog timer in SPL.
344 This is similar to CONFIG_WDT in U-Boot.