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CONFIG_IOP_WATCHDOG: IOP Watchdog

General informations

The Linux kernel configuration item CONFIG_IOP_WATCHDOG has multiple definitions:

IOP Watchdog found in drivers/watchdog/Kconfig

The configuration item CONFIG_IOP_WATCHDOG:

Help text

Say Y here if to include support for the watchdog timer in the Intel IOP3XX & IOP13XX I/O Processors. This driver can be built as a module by choosing M. The module will be called iop_wdt.

Note: The IOP13XX watchdog does an Internal Bus Reset which will affect both cores and the peripherals of the IOP. The ATU-X and/or ATUe configuration registers will remain intact, but if operating as an Root Complex and/or Central Resource, the PCI-X and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.

IOP Watchdog found in drivers/char/watchdog/Kconfig

The configuration item CONFIG_IOP_WATCHDOG:

Help text

Say Y here if to include support for the watchdog timer in the Intel IOP3XX & IOP13XX I/O Processors. This driver can be built as a module by choosing M. The module will be called iop_wdt.

Note: The IOP13XX watchdog does an Internal Bus Reset which will affect both cores and the peripherals of the IOP. The ATU-X and/or ATUe configuration registers will remain intact, but if operating as an Root Complex and/or Central Resource, the PCI-X and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.

Hardware

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