1menu "Watchdog Timer Support" 2 3config WATCHDOG 4 bool "Enable U-Boot watchdog reset" 5 depends on !HW_WATCHDOG 6 help 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. 11 12config WATCHDOG_TIMEOUT_MSECS 13 int "Watchdog timeout in msec" 14 default 128000 if ARCH_MX25 || ARCH_MX31 || ARCH_MX5 || ARCH_MX6 15 default 128000 if ARCH_MX7 || ARCH_VF610 16 default 30000 if ARCH_SOCFPGA 17 default 60000 18 help 19 Watchdog timeout in msec 20 21config HW_WATCHDOG 22 bool 23 24config IMX_WATCHDOG 25 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" 26 select HW_WATCHDOG if !WDT 27 help 28 Select this to enable the IMX and LSCH2 of Layerscape watchdog 29 driver. 30 31config WATCHDOG_RESET_DISABLE 32 bool "Disable reset watchdog" 33 depends on IMX_WATCHDOG 34 help 35 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so 36 that the watchdog will not be fed in u-boot. 37 38config OMAP_WATCHDOG 39 bool "TI OMAP watchdog driver" 40 depends on ARCH_OMAP2PLUS 41 select HW_WATCHDOG 42 help 43 Say Y here to enable the OMAP3+ watchdog driver. 44 45config ULP_WATCHDOG 46 bool "i.MX7ULP watchdog" 47 help 48 Say Y here to enable i.MX7ULP watchdog driver. 49 50config DESIGNWARE_WATCHDOG 51 bool "Designware watchdog timer support" 52 select HW_WATCHDOG if !WDT 53 default y if WDT && ROCKCHIP_RK3399 54 help 55 Enable this to support Designware Watchdog Timer IP, present e.g. 56 on Altera SoCFPGA SoCs. 57 58config WDT 59 bool "Enable driver model for watchdog timer drivers" 60 depends on DM 61 imply WATCHDOG 62 help 63 Enable driver model for watchdog timer. At the moment the API 64 is very simple and only supports four operations: 65 start, stop, reset and expire_now (expire immediately). 66 What exactly happens when the timer expires is up to a particular 67 device/driver. 68 69config WDT_ARMADA_37XX 70 bool "Marvell Armada 37xx watchdog timer support" 71 depends on WDT && ARMADA_3700 72 help 73 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC. 74 There are 4 possible clocks which can be used on these SoCs. This 75 driver uses the second clock (ID 1), assuming that so will also 76 Linux's driver. 77 78config WDT_ASPEED 79 bool "Aspeed ast2400/ast2500 watchdog timer support" 80 depends on WDT 81 default y if ARCH_ASPEED 82 help 83 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 84 The watchdog timer is stopped when initialized. It performs reset, either 85 full SoC reset or CPU or just some peripherals, based on the flags. 86 It currently does not support Boot Flash Addressing Mode Detection or 87 Second Boot. 88 89config WDT_AST2600 90 bool "Aspeed AST2600 watchdog timer support" 91 depends on WDT 92 default y if ASPEED_AST2600 93 help 94 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 95 The watchdog timer is stopped when initialized. It performs reset, either 96 full SoC reset or CPU or just some peripherals, based on the flags. 97 98config WDT_AT91 99 bool "AT91 watchdog timer support" 100 depends on WDT 101 help 102 Select this to enable Microchip watchdog timer, which can be found on 103 some AT91 devices. 104 105config WDT_BCM6345 106 bool "BCM6345 watchdog timer support" 107 depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \ 108 ARCH_BCM6858 || ARCH_BCM63158) 109 help 110 Select this to enable watchdog timer for BCM6345 SoCs. 111 The watchdog timer is stopped when initialized. 112 It performs full SoC reset. 113 114config WDT_CDNS 115 bool "Cadence watchdog timer support" 116 depends on WDT 117 imply WATCHDOG 118 help 119 Select this to enable Cadence watchdog timer, which can be found on some 120 Xilinx Microzed Platform. 121 122config WDT_CORTINA 123 bool "Cortina Access CAxxxx watchdog timer support" 124 depends on WDT 125 help 126 Cortina Access CAxxxx watchdog timer support. 127 This driver support all CPU ISAs supported by Cortina 128 Access CAxxxx SoCs. 129 130config WDT_MPC8xx 131 bool "MPC8xx watchdog timer support" 132 depends on WDT && MPC8xx 133 select HW_WATCHDOG 134 help 135 Select this to enable mpc8xx watchdog timer 136 137config WDT_MT7620 138 bool "MediaTek MT7620 watchdog timer support" 139 depends on WDT && SOC_MT7620 140 help 141 Select this to enable watchdog timer on MediaTek MT7620 and earlier 142 SoC chips. 143 144config WDT_MT7621 145 bool "MediaTek MT7621 watchdog timer support" 146 depends on WDT && SOC_MT7628 147 help 148 Select this to enable Ralink / Mediatek watchdog timer, 149 which can be found on some MediaTek chips. 150 151config WDT_MTK 152 bool "MediaTek watchdog timer support" 153 depends on WDT && ARCH_MEDIATEK 154 help 155 Select this to enable watchdog timer for MediaTek SoCs. 156 The watchdog timer is stopped when initialized. 157 It performs full SoC reset. 158 159config WDT_OCTEONTX 160 bool "OcteonTX core watchdog support" 161 depends on WDT && (ARCH_OCTEONTX || ARCH_OCTEONTX2) 162 default y 163 imply WATCHDOG 164 help 165 This enables OcteonTX watchdog driver, which can be 166 found on OcteonTX/TX2 chipsets and inline with driver model. 167 Only supports watchdog reset. 168 169config WDT_OMAP3 170 bool "TI OMAP watchdog timer support" 171 depends on WDT && ARCH_OMAP2PLUS 172 default y if AM33XX 173 help 174 This enables OMAP3+ watchdog timer driver, which can be 175 found on some TI chipsets and inline with driver model. 176 177config WDT_ORION 178 bool "Orion watchdog timer support" 179 depends on WDT 180 select CLK 181 help 182 Select this to enable Orion watchdog timer, which can be found on some 183 Marvell Armada chips. 184 185config WDT_K3_RTI 186 bool "Texas Instruments K3 RTI watchdog" 187 depends on WDT && ARCH_K3 188 help 189 Say Y here if you want to include support for the K3 watchdog 190 timer (RTI module) available in the K3 generation of processors. 191 192config WDT_SANDBOX 193 bool "Enable Watchdog Timer support for Sandbox" 194 depends on SANDBOX && WDT 195 help 196 Enable Watchdog Timer support in Sandbox. This is a dummy device that 197 can be probed and supports all of the methods of WDT, but does not 198 really do anything. 199 200config WDT_SBSA 201 bool "SBSA watchdog timer support" 202 depends on WDT 203 help 204 Select this to enable SBSA watchdog timer. 205 This driver can operate ARM SBSA Generic Watchdog as a single stage. 206 In the single stage mode, when the timeout is reached, your system 207 will be reset by WS1. The first signal (WS0) is ignored. 208 209config WDT_SP805 210 bool "SP805 watchdog timer support" 211 depends on WDT 212 help 213 Select this to enable SP805 watchdog timer, which can be found on some 214 nxp layerscape chips. 215 216config WDT_STM32MP 217 bool "IWDG watchdog driver for STM32 MP's family" 218 depends on WDT 219 imply WATCHDOG 220 help 221 Enable the STM32 watchdog (IWDG) driver. Enable support to 222 configure STM32's on-SoC watchdog. 223 224config XILINX_TB_WATCHDOG 225 bool "Xilinx Axi watchdog timer support" 226 depends on WDT 227 imply WATCHDOG 228 help 229 Select this to enable Xilinx Axi watchdog timer, which can be found on some 230 Xilinx Microblaze Platforms. 231 232config WDT_XILINX 233 bool "Xilinx window watchdog timer support" 234 depends on WDT && ARCH_VERSAL 235 select REGMAP 236 imply WATCHDOG 237 help 238 Select this to enable Xilinx window watchdog timer, which can be found on 239 Xilinx Versal Platforms. 240 241config WDT_TANGIER 242 bool "Intel Tangier watchdog timer support" 243 depends on WDT && INTEL_MID 244 help 245 This enables support for watchdog controller available on 246 Intel Tangier SoC. If you're using a board with Intel Tangier 247 SoC, say Y here. 248 249config SPL_WDT 250 bool "Enable driver model for watchdog timer drivers in SPL" 251 depends on SPL_DM 252 help 253 Enable driver model for watchdog timer in SPL. 254 This is similar to CONFIG_WDT in U-Boot. 255 256endmenu 257