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AM625: HW Watchdog during U-Boot runtime

Ruggero Russo
Prodigy 50 points
Part Number: AM625

Tool/software:

Good morning,
We're trying to activate the AM62x hardware watchdog during u-boot startup, using Yocto Linux as development base. We used this menuconfig fragment in order to activate the device driver on the bootloader.

# CONFIG_CYCLIC is not set
# CONFIG_CYCLIC_MAX_CPU_TIME_US is not set
CONFIG_CMD_WDT=y
# CONFIG_CMD_CYCLIC is not set
CONFIG_WATCHDOG=y
# CONFIG_WATCHDOG_AUTOSTART is not set
# CONFIG_DESIGNWARE_WATCHDOG is not set
CONFIG_WDT=y
# CONFIG_WDT_APPLE is not set
# CONFIG_WDT_ASPEED is not set
# CONFIG_WDT_AST2600 is not set
# CONFIG_WDT_AT91 is not set
# CONFIG_WDT_CDNS is not set
# CONFIG_WDT_CORTINA is not set
# CONFIG_WDT_GPIO is not set
# CONFIG_WDT_MAX6370 is not set
# CONFIG_WDT_MESON_GXBB is not set
# CONFIG_WDT_ORION is not set
CONFIG_WDT_K3_RTI=y
# CONFIG_WDT_K3_RTI_LOAD_FW is not set
# CONFIG_WDT_SBSA is not set
# CONFIG_WDT_SP805 is not set
# CONFIG_WDT_STM32MP is not set
# CONFIG_XILINX_TB_WATCHDOG is not set

and during u-boot we tried to activate it using the cli

wdt dev watchdog@e010000;
wdt start 30000;

But the timer doesn't seems to trigger the WD.
What's wrong with my setup?

Thanks,
Ruggero