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
84 config WDT_ARMADA_37XX
85 bool "Marvell Armada 37xx watchdog timer support"
86 depends on WDT && ARMADA_3700
88 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
89 There are 4 possible clocks which can be used on these SoCs. This
90 driver uses the second clock (ID 1), assuming that so will also
94 bool "Aspeed ast2400/ast2500 watchdog timer support"
96 default y if ARCH_ASPEED
98 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
99 The watchdog timer is stopped when initialized. It performs reset, either
100 full SoC reset or CPU or just some peripherals, based on the flags.
101 It currently does not support Boot Flash Addressing Mode Detection or
105 bool "Aspeed AST2600 watchdog timer support"
107 default y if ASPEED_AST2600
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.
114 bool "AT91 watchdog timer support"
117 Select this to enable Microchip watchdog timer, which can be found on
121 bool "BCM6345 watchdog timer support"
122 depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \
123 ARCH_BCM6858 || ARCH_BCM63158)
125 Select this to enable watchdog timer for BCM6345 SoCs.
126 The watchdog timer is stopped when initialized.
127 It performs full SoC reset.
130 bool "PowerPC Book-E watchdog driver"
131 depends on WDT && MPC85xx
133 Watchdog driver for PowerPC Book-E chips, such as the Freescale
134 MPC85xx SOCs and the IBM PowerPC 440.
137 bool "Cadence watchdog timer support"
141 Select this to enable Cadence watchdog timer, which can be found on some
142 Xilinx Microzed Platform.
145 bool "Cortina Access CAxxxx watchdog timer support"
148 Cortina Access CAxxxx watchdog timer support.
149 This driver support all CPU ISAs supported by Cortina
153 bool "External gpio watchdog support"
157 Support for external watchdog fed by toggling a gpio. See
158 doc/device-tree-bindings/watchdog/gpio-wdt.txt for
159 information on how to describe the watchdog in device tree.
162 bool "MPC8xx watchdog timer support"
163 depends on WDT && MPC8xx
166 Select this to enable mpc8xx watchdog timer
169 bool "MediaTek MT7620 watchdog timer support"
170 depends on WDT && SOC_MT7620
172 Select this to enable watchdog timer on MediaTek MT7620 and earlier
176 bool "MediaTek MT7621 watchdog timer support"
177 depends on WDT && SOC_MT7628
179 Select this to enable Ralink / Mediatek watchdog timer,
180 which can be found on some MediaTek chips.
183 bool "MediaTek watchdog timer support"
184 depends on WDT && ARCH_MEDIATEK
186 Select this to enable watchdog timer for MediaTek SoCs.
187 The watchdog timer is stopped when initialized.
188 It performs full SoC reset.
191 bool "OcteonTX core watchdog support"
192 depends on WDT && (ARCH_OCTEONTX || ARCH_OCTEONTX2)
196 This enables OcteonTX watchdog driver, which can be
197 found on OcteonTX/TX2 chipsets and inline with driver model.
198 Only supports watchdog reset.
201 bool "TI OMAP watchdog timer support"
202 depends on WDT && ARCH_OMAP2PLUS
205 This enables OMAP3+ watchdog timer driver, which can be
206 found on some TI chipsets and inline with driver model.
209 bool "Orion watchdog timer support"
213 Select this to enable Orion watchdog timer, which can be found on some
214 Marvell Armada chips.
217 bool "Texas Instruments K3 RTI watchdog"
218 depends on WDT && ARCH_K3
220 Say Y here if you want to include support for the K3 watchdog
221 timer (RTI module) available in the K3 generation of processors.
225 config WDT_K3_RTI_LOAD_FW
226 bool "Load watchdog firmware"
227 depends on REMOTEPROC
229 Automatically load the specified firmware image into the MCU R5F
230 core 0. On the AM65x, this firmware is supposed to handle the expiry
231 of the watchdog timer, typically by resetting the system.
233 config WDT_K3_RTI_FW_FILE
234 string "Watchdog firmware image file"
235 default "k3-rti-wdt.fw"
236 depends on WDT_K3_RTI_LOAD_FW
238 Firmware image to be embedded into U-Boot and loaded on watchdog
244 bool "Enable Watchdog Timer support for Sandbox"
245 depends on SANDBOX && WDT
247 Enable Watchdog Timer support in Sandbox. This is a dummy device that
248 can be probed and supports all of the methods of WDT, but does not
252 bool "SBSA watchdog timer support"
255 Select this to enable SBSA watchdog timer.
256 This driver can operate ARM SBSA Generic Watchdog as a single stage.
257 In the single stage mode, when the timeout is reached, your system
258 will be reset by WS1. The first signal (WS0) is ignored.
261 bool "SP805 watchdog timer support"
264 Select this to enable SP805 watchdog timer, which can be found on some
265 nxp layerscape chips.
268 bool "IWDG watchdog driver for STM32 MP's family"
272 Enable the STM32 watchdog (IWDG) driver. Enable support to
273 configure STM32's on-SoC watchdog.
276 bool "Allwinner sunxi watchdog timer support"
277 depends on WDT && ARCH_SUNXI
280 Enable support for the watchdog timer in Allwinner sunxi SoCs.
282 config XILINX_TB_WATCHDOG
283 bool "Xilinx Axi watchdog timer support"
287 Select this to enable Xilinx Axi watchdog timer, which can be found on some
288 Xilinx Microblaze Platforms.
291 bool "Xilinx window watchdog timer support"
292 depends on WDT && ARCH_VERSAL
296 Select this to enable Xilinx window watchdog timer, which can be found on
297 Xilinx Versal Platforms.
300 bool "Intel Tangier watchdog timer support"
301 depends on WDT && INTEL_MID
303 This enables support for watchdog controller available on
304 Intel Tangier SoC. If you're using a board with Intel Tangier
308 bool "Enable driver model for watchdog timer drivers in SPL"
311 Enable driver model for watchdog timer in SPL.
312 This is similar to CONFIG_WDT in U-Boot.