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"
17 Automatically start watchdog timer and start servicing it during
18 init phase. Enabled by default. Disable this option if you want
19 to compile U-Boot with CONFIG_WDT support but do not want to
20 activate watchdog, like when CONFIG_WDT option is disabled. You
21 would be able to start watchdog manually by 'wdt' command. Useful
22 when you want to have support for 'wdt' command but do not want
23 to have watchdog enabled by default.
25 config WATCHDOG_TIMEOUT_MSECS
26 int "Watchdog timeout in msec"
27 default 128000 if ARCH_MX31 || ARCH_MX5 || ARCH_MX6
28 default 128000 if ARCH_MX7 || ARCH_VF610
29 default 30000 if ARCH_SOCFPGA
30 default 16000 if ARCH_SUNXI
33 Watchdog timeout in msec
39 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP"
40 select HW_WATCHDOG if !WDT
42 Select this to enable the IMX and LSCH2 of Layerscape watchdog
45 config WATCHDOG_RESET_DISABLE
46 bool "Disable reset watchdog"
47 depends on IMX_WATCHDOG
49 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so
50 that the watchdog will not be fed in u-boot.
53 bool "TI OMAP watchdog driver"
54 depends on ARCH_OMAP2PLUS
57 Say Y here to enable the OMAP3+ watchdog driver.
60 bool "i.MX7ULP watchdog"
62 Say Y here to enable i.MX7ULP watchdog driver.
64 config DESIGNWARE_WATCHDOG
65 bool "Designware watchdog timer support"
66 select HW_WATCHDOG if !WDT
67 default y if WDT && ROCKCHIP_RK3399
69 Enable this to support Designware Watchdog Timer IP, present e.g.
70 on Altera SoCFPGA SoCs.
73 bool "Enable driver model for watchdog timer drivers"
77 Enable driver model for watchdog timer. At the moment the API
78 is very simple and only supports four operations:
79 start, stop, reset and expire_now (expire immediately).
80 What exactly happens when the timer expires is up to a particular
83 config WDT_ARMADA_37XX
84 bool "Marvell Armada 37xx watchdog timer support"
85 depends on WDT && ARMADA_3700
87 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
88 There are 4 possible clocks which can be used on these SoCs. This
89 driver uses the second clock (ID 1), assuming that so will also
93 bool "Aspeed ast2400/ast2500 watchdog timer support"
95 default y if ARCH_ASPEED
97 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
98 The watchdog timer is stopped when initialized. It performs reset, either
99 full SoC reset or CPU or just some peripherals, based on the flags.
100 It currently does not support Boot Flash Addressing Mode Detection or
104 bool "Aspeed AST2600 watchdog timer support"
106 default y if ASPEED_AST2600
108 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
109 The watchdog timer is stopped when initialized. It performs reset, either
110 full SoC reset or CPU or just some peripherals, based on the flags.
113 bool "AT91 watchdog timer support"
116 Select this to enable Microchip watchdog timer, which can be found on
120 bool "BCM6345 watchdog timer support"
121 depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \
122 ARCH_BCM6858 || ARCH_BCM63158)
124 Select this to enable watchdog timer for BCM6345 SoCs.
125 The watchdog timer is stopped when initialized.
126 It performs full SoC reset.
129 bool "PowerPC Book-E watchdog driver"
130 depends on WDT && MPC85xx
132 Watchdog driver for PowerPC Book-E chips, such as the Freescale
133 MPC85xx SOCs and the IBM PowerPC 440.
136 bool "Cadence watchdog timer support"
140 Select this to enable Cadence watchdog timer, which can be found on some
141 Xilinx Microzed Platform.
144 bool "Cortina Access CAxxxx watchdog timer support"
147 Cortina Access CAxxxx watchdog timer support.
148 This driver support all CPU ISAs supported by Cortina
152 bool "External gpio watchdog support"
156 Support for external watchdog fed by toggling a gpio. See
157 doc/device-tree-bindings/watchdog/gpio-wdt.txt for
158 information on how to describe the watchdog in device tree.
161 bool "MPC8xx watchdog timer support"
162 depends on WDT && MPC8xx
165 Select this to enable mpc8xx watchdog timer
168 bool "MediaTek MT7620 watchdog timer support"
169 depends on WDT && SOC_MT7620
171 Select this to enable watchdog timer on MediaTek MT7620 and earlier
175 bool "MediaTek MT7621 watchdog timer support"
176 depends on WDT && SOC_MT7628
178 Select this to enable Ralink / Mediatek watchdog timer,
179 which can be found on some MediaTek chips.
182 bool "MediaTek watchdog timer support"
183 depends on WDT && ARCH_MEDIATEK
185 Select this to enable watchdog timer for MediaTek SoCs.
186 The watchdog timer is stopped when initialized.
187 It performs full SoC reset.
190 bool "OcteonTX core watchdog support"
191 depends on WDT && (ARCH_OCTEONTX || ARCH_OCTEONTX2)
195 This enables OcteonTX watchdog driver, which can be
196 found on OcteonTX/TX2 chipsets and inline with driver model.
197 Only supports watchdog reset.
200 bool "TI OMAP watchdog timer support"
201 depends on WDT && ARCH_OMAP2PLUS
204 This enables OMAP3+ watchdog timer driver, which can be
205 found on some TI chipsets and inline with driver model.
208 bool "Orion watchdog timer support"
212 Select this to enable Orion watchdog timer, which can be found on some
213 Marvell Armada chips.
216 bool "Texas Instruments K3 RTI watchdog"
217 depends on WDT && ARCH_K3
219 Say Y here if you want to include support for the K3 watchdog
220 timer (RTI module) available in the K3 generation of processors.
224 config WDT_K3_RTI_LOAD_FW
225 bool "Load watchdog firmware"
226 depends on REMOTEPROC
228 Automatically load the specified firmware image into the MCU R5F
229 core 0. On the AM65x, this firmware is supposed to handle the expiry
230 of the watchdog timer, typically by resetting the system.
232 config WDT_K3_RTI_FW_FILE
233 string "Watchdog firmware image file"
234 default "k3-rti-wdt.fw"
235 depends on WDT_K3_RTI_LOAD_FW
237 Firmware image to be embedded into U-Boot and loaded on watchdog
243 bool "Enable Watchdog Timer support for Sandbox"
244 depends on SANDBOX && WDT
246 Enable Watchdog Timer support in Sandbox. This is a dummy device that
247 can be probed and supports all of the methods of WDT, but does not
251 bool "SBSA watchdog timer support"
254 Select this to enable SBSA watchdog timer.
255 This driver can operate ARM SBSA Generic Watchdog as a single stage.
256 In the single stage mode, when the timeout is reached, your system
257 will be reset by WS1. The first signal (WS0) is ignored.
260 bool "SP805 watchdog timer support"
263 Select this to enable SP805 watchdog timer, which can be found on some
264 nxp layerscape chips.
267 bool "IWDG watchdog driver for STM32 MP's family"
271 Enable the STM32 watchdog (IWDG) driver. Enable support to
272 configure STM32's on-SoC watchdog.
275 bool "Allwinner sunxi watchdog timer support"
276 depends on WDT && ARCH_SUNXI
279 Enable support for the watchdog timer in Allwinner sunxi SoCs.
281 config XILINX_TB_WATCHDOG
282 bool "Xilinx Axi watchdog timer support"
286 Select this to enable Xilinx Axi watchdog timer, which can be found on some
287 Xilinx Microblaze Platforms.
290 bool "Xilinx window watchdog timer support"
291 depends on WDT && ARCH_VERSAL
295 Select this to enable Xilinx window watchdog timer, which can be found on
296 Xilinx Versal Platforms.
299 bool "Intel Tangier watchdog timer support"
300 depends on WDT && INTEL_MID
302 This enables support for watchdog controller available on
303 Intel Tangier SoC. If you're using a board with Intel Tangier
307 bool "Enable driver model for watchdog timer drivers in SPL"
310 Enable driver model for watchdog timer in SPL.
311 This is similar to CONFIG_WDT in U-Boot.