1menu "Watchdog Timer Support" 2 3config WATCHDOG 4 bool "Enable U-Boot watchdog reset" 5 help 6 This option enables U-Boot watchdog support where U-Boot is using 7 watchdog_reset function to service watchdog device in U-Boot. Enable 8 this option if you want to service enabled watchdog by U-Boot. Disable 9 this option if you want U-Boot to start watchdog but never service it. 10 11config WATCHDOG_TIMEOUT_MSECS 12 int "Watchdog timeout in msec" 13 default 128000 if ARCH_MX25 || ARCH_MX31 || ARCH_MX5 || ARCH_MX6 14 default 128000 if ARCH_MX7 || ARCH_VF610 15 default 30000 if ARCH_SOCFPGA 16 default 60000 17 help 18 Watchdog timeout in msec 19 20config HW_WATCHDOG 21 bool 22 23config WATCHDOG_RESET_DISABLE 24 bool "Disable reset watchdog" 25 help 26 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so 27 that the watchdog will not be fed in u-boot. 28 29config IMX_WATCHDOG 30 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" 31 select HW_WATCHDOG if !WDT 32 help 33 Select this to enable the IMX and LSCH2 of Layerscape watchdog 34 driver. 35 36config OMAP_WATCHDOG 37 bool "TI OMAP watchdog driver" 38 depends on ARCH_OMAP2PLUS 39 select HW_WATCHDOG 40 help 41 Say Y here to enable the OMAP3+ watchdog driver. 42 43config ULP_WATCHDOG 44 bool "i.MX7ULP watchdog" 45 help 46 Say Y here to enable i.MX7ULP watchdog driver. 47 48config WDT 49 bool "Enable driver model for watchdog timer drivers" 50 depends on DM 51 imply WATCHDOG 52 help 53 Enable driver model for watchdog timer. At the moment the API 54 is very simple and only supports four operations: 55 start, stop, reset and expire_now (expire immediately). 56 What exactly happens when the timer expires is up to a particular 57 device/driver. 58 59config WDT_ARMADA_37XX 60 bool "Marvell Armada 37xx watchdog timer support" 61 depends on WDT && ARMADA_3700 62 help 63 Enable this to support Watchdog Timer on Marvell Armada 37xx SoC. 64 There are 4 possible clocks which can be used on these SoCs. This 65 driver uses the second clock (ID 1), assuming that so will also 66 Linux's driver. 67 68config WDT_ASPEED 69 bool "Aspeed ast2400/ast2500 watchdog timer support" 70 depends on WDT 71 default y if ARCH_ASPEED 72 help 73 Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 74 The watchdog timer is stopped when initialized. It performs reset, either 75 full SoC reset or CPU or just some peripherals, based on the flags. 76 It currently does not support Boot Flash Addressing Mode Detection or 77 Second Boot. 78 79config WDT_AT91 80 bool "AT91 watchdog timer support" 81 depends on WDT 82 help 83 Select this to enable Microchip watchdog timer, which can be found on 84 some AT91 devices. 85 86config WDT_BCM6345 87 bool "BCM6345 watchdog timer support" 88 depends on WDT && (ARCH_BMIPS || ARCH_BCM6858 || ARCH_BCM63158) 89 help 90 Select this to enable watchdog timer for BCM6345 SoCs. 91 The watchdog timer is stopped when initialized. 92 It performs full SoC reset. 93 94config WDT_CDNS 95 bool "Cadence watchdog timer support" 96 depends on WDT 97 imply WATCHDOG 98 help 99 Select this to enable Cadence watchdog timer, which can be found on some 100 Xilinx Microzed Platform. 101 102config WDT_MPC8xx 103 bool "MPC8xx watchdog timer support" 104 depends on WDT && MPC8xx 105 select CONFIG_MPC8xx_WATCHDOG 106 help 107 Select this to enable mpc8xx watchdog timer 108 109config WDT_MT7621 110 bool "MediaTek MT7621 watchdog timer support" 111 depends on WDT && SOC_MT7628 112 help 113 Select this to enable Ralink / Mediatek watchdog timer, 114 which can be found on some MediaTek chips. 115 116config WDT_MTK 117 bool "MediaTek watchdog timer support" 118 depends on WDT && ARCH_MEDIATEK 119 help 120 Select this to enable watchdog timer for MediaTek SoCs. 121 The watchdog timer is stopped when initialized. 122 It performs full SoC reset. 123 124config WDT_OMAP3 125 bool "TI OMAP watchdog timer support" 126 depends on WDT && ARCH_OMAP2PLUS 127 default y if AM33XX 128 help 129 This enables OMAP3+ watchdog timer driver, which can be 130 found on some TI chipsets and inline with driver model. 131 132config WDT_ORION 133 bool "Orion watchdog timer support" 134 depends on WDT 135 select CLK 136 help 137 Select this to enable Orion watchdog timer, which can be found on some 138 Marvell Armada chips. 139 140config WDT_SANDBOX 141 bool "Enable Watchdog Timer support for Sandbox" 142 depends on SANDBOX && WDT 143 help 144 Enable Watchdog Timer support in Sandbox. This is a dummy device that 145 can be probed and supports all of the methods of WDT, but does not 146 really do anything. 147 148config WDT_SP805 149 bool "SP805 watchdog timer support" 150 depends on WDT 151 help 152 Select this to enable SP805 watchdog timer, which can be found on some 153 nxp layerscape chips. 154 155config WDT_STM32MP 156 bool "IWDG watchdog driver for STM32 MP's family" 157 depends on WDT 158 imply WATCHDOG 159 help 160 Enable the STM32 watchdog (IWDG) driver. Enable support to 161 configure STM32's on-SoC watchdog. 162 163config XILINX_TB_WATCHDOG 164 bool "Xilinx Axi watchdog timer support" 165 depends on WDT 166 imply WATCHDOG 167 help 168 Select this to enable Xilinx Axi watchdog timer, which can be found on some 169 Xilinx Microblaze Platforms. 170 171config WDT_TANGIER 172 bool "Intel Tangier watchdog timer support" 173 depends on WDT && INTEL_MID 174 help 175 This enables support for watchdog controller available on 176 Intel Tangier SoC. If you're using a board with Intel Tangier 177 SoC, say Y here. 178 179config SPL_WDT 180 bool "Enable driver model for watchdog timer drivers in SPL" 181 depends on SPL_DM 182 help 183 Enable driver model for watchdog timer in SPL. 184 This is similar to CONFIG_WDT in U-Boot. 185 186endmenu 187