10753bc2dSmaxims@google.commenu "Watchdog Timer Support" 2253531bbSYe Li 342537ca4SShreenidhi Shediconfig WATCHDOG 442537ca4SShreenidhi Shedi bool "Enable U-Boot watchdog reset" 542537ca4SShreenidhi Shedi help 642537ca4SShreenidhi Shedi This option enables U-Boot watchdog support where U-Boot is using 742537ca4SShreenidhi Shedi watchdog_reset function to service watchdog device in U-Boot. Enable 842537ca4SShreenidhi Shedi this option if you want to service enabled watchdog by U-Boot. Disable 942537ca4SShreenidhi Shedi this option if you want U-Boot to start watchdog but never service it. 1042537ca4SShreenidhi Shedi 1145a6d231SPaolo Pisaticonfig HW_WATCHDOG 1245a6d231SPaolo Pisati bool 1345a6d231SPaolo Pisati 14da4918acSXiaoliang Yangconfig WATCHDOG_RESET_DISABLE 15da4918acSXiaoliang Yang bool "Disable reset watchdog" 16da4918acSXiaoliang Yang help 17da4918acSXiaoliang Yang Disable reset watchdog, which can let WATCHDOG_RESET invalid, so 18da4918acSXiaoliang Yang that the watchdog will not be fed in u-boot. 19da4918acSXiaoliang Yang 2045a6d231SPaolo Pisaticonfig BCM2835_WDT 2145a6d231SPaolo Pisati bool "Enable BCM2835/2836 watchdog driver" 2245a6d231SPaolo Pisati select HW_WATCHDOG 2345a6d231SPaolo Pisati help 2445a6d231SPaolo Pisati Say Y here to enable the BCM2835/2836 watchdog 2545a6d231SPaolo Pisati 2645a6d231SPaolo Pisati This provides basic infrastructure to support BCM2835/2836 watchdog 2745a6d231SPaolo Pisati hardware, with a max timeout of ~15secs. 2845a6d231SPaolo Pisati 29897f7062STom Riniconfig OMAP_WATCHDOG 30897f7062STom Rini bool "TI OMAP watchdog driver" 31897f7062STom Rini depends on ARCH_OMAP2PLUS 32897f7062STom Rini select HW_WATCHDOG 33897f7062STom Rini default y if AM33XX 34897f7062STom Rini help 35897f7062STom Rini Say Y here to enable the OMAP3+ watchdog driver. 36897f7062STom Rini 378f8a12d1SFelipe Balbiconfig TANGIER_WATCHDOG 388f8a12d1SFelipe Balbi bool "Intel Tangier watchdog" 398f8a12d1SFelipe Balbi depends on INTEL_MID 408f8a12d1SFelipe Balbi select HW_WATCHDOG 418f8a12d1SFelipe Balbi help 428f8a12d1SFelipe Balbi This enables support for watchdog controller available on 438f8a12d1SFelipe Balbi Intel Tangier SoC. If you're using a board with Intel Tangier 448f8a12d1SFelipe Balbi SoC, say Y here. 458f8a12d1SFelipe Balbi 46253531bbSYe Liconfig ULP_WATCHDOG 47253531bbSYe Li bool "i.MX7ULP watchdog" 48253531bbSYe Li help 49253531bbSYe Li Say Y here to enable i.MX7ULP watchdog driver. 50253531bbSYe Li 510753bc2dSmaxims@google.comconfig WDT 520753bc2dSmaxims@google.com bool "Enable driver model for watchdog timer drivers" 530753bc2dSmaxims@google.com depends on DM 540753bc2dSmaxims@google.com help 550753bc2dSmaxims@google.com Enable driver model for watchdog timer. At the moment the API 560753bc2dSmaxims@google.com is very simple and only supports four operations: 570753bc2dSmaxims@google.com start, restart, stop and reset (expire immediately). 580753bc2dSmaxims@google.com What exactly happens when the timer expires is up to a particular 590753bc2dSmaxims@google.com device/driver. 600753bc2dSmaxims@google.com 610753bc2dSmaxims@google.comconfig WDT_SANDBOX 620753bc2dSmaxims@google.com bool "Enable Watchdog Timer support for Sandbox" 630753bc2dSmaxims@google.com depends on SANDBOX && WDT 640753bc2dSmaxims@google.com help 650753bc2dSmaxims@google.com Enable Watchdog Timer support in Sandbox. This is a dummy device that 660753bc2dSmaxims@google.com can be probed and supports all of the methods of WDT, but does not 670753bc2dSmaxims@google.com really do anything. 680753bc2dSmaxims@google.com 692b69a673SMarek Behúnconfig WDT_ARMADA_37XX 702b69a673SMarek Behún bool "Marvell Armada 37xx watchdog timer support" 712b69a673SMarek Behún depends on WDT && ARMADA_3700 722b69a673SMarek Behún help 732b69a673SMarek Behún Enable this to support Watchdog Timer on Marvell Armada 37xx SoC. 742b69a673SMarek Behún There are 4 possible clocks which can be used on these SoCs. This 752b69a673SMarek Behún driver uses the second clock (ID 1), assuming that so will also 762b69a673SMarek Behún Linux's driver. 772b69a673SMarek Behún 781eb0a464Smaxims@google.comconfig WDT_ASPEED 791eb0a464Smaxims@google.com bool "Aspeed ast2400/ast2500 watchdog timer support" 801eb0a464Smaxims@google.com depends on WDT 811eb0a464Smaxims@google.com default y if ARCH_ASPEED 821eb0a464Smaxims@google.com help 831eb0a464Smaxims@google.com Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices. 841eb0a464Smaxims@google.com The watchdog timer is stopped when initialized. It performs reset, either 851eb0a464Smaxims@google.com full SoC reset or CPU or just some peripherals, based on the flags. 861eb0a464Smaxims@google.com It currently does not support Boot Flash Addressing Mode Detection or 871eb0a464Smaxims@google.com Second Boot. 881eb0a464Smaxims@google.com 8977331934SÁlvaro Fernández Rojasconfig WDT_BCM6345 9077331934SÁlvaro Fernández Rojas bool "BCM6345 watchdog timer support" 91*dcae39e5SPhilippe Reynes depends on WDT && (ARCH_BMIPS || ARCH_BCM6858 || ARCH_BCM63158) 9277331934SÁlvaro Fernández Rojas help 9377331934SÁlvaro Fernández Rojas Select this to enable watchdog timer for BCM6345 SoCs. 9477331934SÁlvaro Fernández Rojas The watchdog timer is stopped when initialized. 9577331934SÁlvaro Fernández Rojas It performs full SoC reset. 9677331934SÁlvaro Fernández Rojas 972ab7704aSMarek Behúnconfig WDT_ORION 982ab7704aSMarek Behún bool "Orion watchdog timer support" 992ab7704aSMarek Behún depends on WDT 1002ab7704aSMarek Behún help 1012ab7704aSMarek Behún Select this to enable Orion watchdog timer, which can be found on some 1022ab7704aSMarek Behún Marvell Armada chips. 1032ab7704aSMarek Behún 10442537ca4SShreenidhi Shediconfig WDT_CDNS 10542537ca4SShreenidhi Shedi bool "Cadence watchdog timer support" 10642537ca4SShreenidhi Shedi depends on WDT 10742537ca4SShreenidhi Shedi imply WATCHDOG 10842537ca4SShreenidhi Shedi help 10942537ca4SShreenidhi Shedi Select this to enable Cadence watchdog timer, which can be found on some 11042537ca4SShreenidhi Shedi Xilinx Microzed Platform. 11142537ca4SShreenidhi Shedi 112090543f8SRyder Leeconfig WDT_MTK 113090543f8SRyder Lee bool "MediaTek watchdog timer support" 114090543f8SRyder Lee depends on WDT && ARCH_MEDIATEK 115090543f8SRyder Lee help 116090543f8SRyder Lee Select this to enable watchdog timer for MediaTek SoCs. 117090543f8SRyder Lee The watchdog timer is stopped when initialized. 118090543f8SRyder Lee It performs full SoC reset. 119090543f8SRyder Lee 120e0e9caaeSShreenidhi Shediconfig XILINX_TB_WATCHDOG 121e0e9caaeSShreenidhi Shedi bool "Xilinx Axi watchdog timer support" 122e0e9caaeSShreenidhi Shedi depends on WDT 123e0e9caaeSShreenidhi Shedi imply WATCHDOG 124e0e9caaeSShreenidhi Shedi help 125e0e9caaeSShreenidhi Shedi Select this to enable Xilinx Axi watchdog timer, which can be found on some 126e0e9caaeSShreenidhi Shedi Xilinx Microblaze Platforms. 127e0e9caaeSShreenidhi Shedi 128517066a7SXiaoliang Yangconfig IMX_WATCHDOG 129517066a7SXiaoliang Yang bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" 130517066a7SXiaoliang Yang select HW_WATCHDOG 131517066a7SXiaoliang Yang help 132517066a7SXiaoliang Yang Select this to enable the IMX and LSCH2 of Layerscape watchdog 133517066a7SXiaoliang Yang driver. 134517066a7SXiaoliang Yang 1351473f6acSPrasanthi Chellakumarconfig WDT_AT91 1361473f6acSPrasanthi Chellakumar bool "AT91 watchdog timer support" 1371473f6acSPrasanthi Chellakumar depends on WDT 1381473f6acSPrasanthi Chellakumar help 1391473f6acSPrasanthi Chellakumar Select this to enable Microchip watchdog timer, which can be found on 1401473f6acSPrasanthi Chellakumar some AT91 devices. 1411473f6acSPrasanthi Chellakumar 1421473f6acSPrasanthi Chellakumarconfig AT91_HW_WDT_TIMEOUT 1431473f6acSPrasanthi Chellakumar bool "AT91 watchdog timeout specified" 1441473f6acSPrasanthi Chellakumar depends on WDT_AT91 145053fce84SStefan Roese 146053fce84SStefan Roeseconfig WDT_MT7621 147053fce84SStefan Roese bool "MediaTek MT7621 watchdog timer support" 148053fce84SStefan Roese depends on WDT && ARCH_MT7620 149053fce84SStefan Roese help 150053fce84SStefan Roese Select this to enable Ralink / Mediatek watchdog timer, 151053fce84SStefan Roese which can be found on some MediaTek chips. 152053fce84SStefan Roese 153749c9aaeSChristophe Leroyconfig WDT_MPC8xx 154749c9aaeSChristophe Leroy bool "MPC8xx watchdog timer support" 155749c9aaeSChristophe Leroy depends on WDT && MPC8xx 156749c9aaeSChristophe Leroy select CONFIG_MPC8xx_WATCHDOG 157749c9aaeSChristophe Leroy help 158749c9aaeSChristophe Leroy Select this to enable mpc8xx watchdog timer 159749c9aaeSChristophe Leroy 160253531bbSYe Liendmenu 161