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 HW_WATCHDOG 12 bool 13 14config WATCHDOG_RESET_DISABLE 15 bool "Disable reset watchdog" 16 help 17 Disable reset watchdog, which can let WATCHDOG_RESET invalid, so 18 that the watchdog will not be fed in u-boot. 19 20config BCM2835_WDT 21 bool "Enable BCM2835/2836 watchdog driver" 22 select HW_WATCHDOG 23 help 24 Say Y here to enable the BCM2835/2836 watchdog 25 26 This provides basic infrastructure to support BCM2835/2836 watchdog 27 hardware, with a max timeout of ~15secs. 28 29config OMAP_WATCHDOG 30 bool "TI OMAP watchdog driver" 31 depends on ARCH_OMAP2PLUS 32 select HW_WATCHDOG 33 default y if AM33XX 34 help 35 Say Y here to enable the OMAP3+ watchdog driver. 36 37config TANGIER_WATCHDOG 38 bool "Intel Tangier watchdog" 39 depends on INTEL_MID 40 select HW_WATCHDOG 41 help 42 This enables support for watchdog controller available on 43 Intel Tangier SoC. If you're using a board with Intel Tangier 44 SoC, say Y here. 45 46config ULP_WATCHDOG 47 bool "i.MX7ULP watchdog" 48 help 49 Say Y here to enable i.MX7ULP watchdog driver. 50 51config WDT 52 bool "Enable driver model for watchdog timer drivers" 53 depends on DM 54 help 55 Enable driver model for watchdog timer. At the moment the API 56 is very simple and only supports four operations: 57 start, restart, stop and reset (expire immediately). 58 What exactly happens when the timer expires is up to a particular 59 device/driver. 60 61config WDT_SANDBOX 62 bool "Enable Watchdog Timer support for Sandbox" 63 depends on SANDBOX && WDT 64 help 65 Enable Watchdog Timer support in Sandbox. This is a dummy device that 66 can be probed and supports all of the methods of WDT, but does not 67 really do anything. 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_BCM6345 90 bool "BCM6345 watchdog timer support" 91 depends on WDT && (ARCH_BMIPS || ARCH_BCM6858 || ARCH_BCM63158) 92 help 93 Select this to enable watchdog timer for BCM6345 SoCs. 94 The watchdog timer is stopped when initialized. 95 It performs full SoC reset. 96 97config WDT_ORION 98 bool "Orion watchdog timer support" 99 depends on WDT 100 help 101 Select this to enable Orion watchdog timer, which can be found on some 102 Marvell Armada chips. 103 104config WDT_CDNS 105 bool "Cadence watchdog timer support" 106 depends on WDT 107 imply WATCHDOG 108 help 109 Select this to enable Cadence watchdog timer, which can be found on some 110 Xilinx Microzed Platform. 111 112config WDT_MTK 113 bool "MediaTek watchdog timer support" 114 depends on WDT && ARCH_MEDIATEK 115 help 116 Select this to enable watchdog timer for MediaTek SoCs. 117 The watchdog timer is stopped when initialized. 118 It performs full SoC reset. 119 120config XILINX_TB_WATCHDOG 121 bool "Xilinx Axi watchdog timer support" 122 depends on WDT 123 imply WATCHDOG 124 help 125 Select this to enable Xilinx Axi watchdog timer, which can be found on some 126 Xilinx Microblaze Platforms. 127 128config IMX_WATCHDOG 129 bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" 130 select HW_WATCHDOG 131 help 132 Select this to enable the IMX and LSCH2 of Layerscape watchdog 133 driver. 134 135config WDT_AT91 136 bool "AT91 watchdog timer support" 137 depends on WDT 138 help 139 Select this to enable Microchip watchdog timer, which can be found on 140 some AT91 devices. 141 142config AT91_HW_WDT_TIMEOUT 143 bool "AT91 watchdog timeout specified" 144 depends on WDT_AT91 145 146config WDT_MT7621 147 bool "MediaTek MT7621 watchdog timer support" 148 depends on WDT && ARCH_MT7620 149 help 150 Select this to enable Ralink / Mediatek watchdog timer, 151 which can be found on some MediaTek chips. 152 153config WDT_MPC8xx 154 bool "MPC8xx watchdog timer support" 155 depends on WDT && MPC8xx 156 select CONFIG_MPC8xx_WATCHDOG 157 help 158 Select this to enable mpc8xx watchdog timer 159 160endmenu 161