BCMDOG(4) - Device Drivers Manual # BCMDOG(4) - Device Drivers Manual
NAME # bcmdog - Broadcom BCM283x watchdog timer
SYNOPSIS # bcmdog* at fdt?
DESCRIPTION # The bcmdog driver provides support for the integrated watchdog timer in the Broadcom BCM2835, BCM2836 and BCM2837 SoCs.
SEE ALSO # intro(4), watchdog(4), watchdogd(8)
HISTORY # The bcmdog driver first appeared in OpenBSD 6.1.
AUTHORS # The bcmdog driver was written by Patrick Wildt <patrick@blueri.
...
BERKWDT(4) - Device Drivers Manual # BERKWDT(4) - Device Drivers Manual
NAME # berkwdt - Berkshire Products watchdog timer device
SYNOPSIS # berkwdt0 at pci?
DESCRIPTION # The berkwdt driver provides support for the Berkshire Products PCI PC Watchdog. These devices contain a watchdog timer and general purpose digital inputs and outputs, but currently only the watchdog timer is supported.
berkwdt provides the standard watchdog(4) interface and may be used with watchdogd(8).
...
DWDOG(4) - Device Drivers Manual # DWDOG(4) - Device Drivers Manual
NAME # dwdog - Synopsys DesignWare watchdog timer
SYNOPSIS # dwdog* at fdt?
DESCRIPTION # The dwdog driver provides support for the Synopsys DesignWare watchdog timer, which is built into various SoCs.
SEE ALSO # intro(4), watchdog(4), watchdogd(8)
HISTORY # The dwdog driver first appeared in OpenBSD 6.2.
AUTHORS # The dwdog driver was written by Mark Kettenis <kettenis@openbsd.
...
ICHWDT(4) - Device Drivers Manual # ICHWDT(4) - Device Drivers Manual
NAME # ichwdt - Intel 6300ESB ICH watchdog timer device
SYNOPSIS # ichwdt* at pci?
DESCRIPTION # The ichwdt driver supports the watchdog timer of the Intel 6300ESB I/O Controller Hub.
ichwdt provides the standard watchdog(4) interface and may be used with watchdogd(8). The watchdog timer can be configured via sysctl(8).
Once the watchdog timer resets the CPU, the driver reports it on the next boot displaying the “reboot on timeout” message in the dmesg.
...
IMXDOG(4) - Device Drivers Manual # IMXDOG(4) - Device Drivers Manual
NAME # imxdog - i.MX watchdog timer
SYNOPSIS # imxdog* at fdt?
DESCRIPTION # The imxdog driver provides support for the watchdog timer integrated in i.MX 6, i.MX 7 and i.MX 8 processors.
SEE ALSO # intro(4), watchdog(4), watchdogd(8)
HISTORY # The imxdog driver first appeared in OpenBSD 5.5.
AUTHORS # The imxdog driver was written by Patrick Wildt <patrick@blueri.
...
IT(4) - Device Drivers Manual # IT(4) - Device Drivers Manual
NAME # it - ITE IT87xxF and SiS SiS950 temperature, voltage, and fan sensor with watchdog timer
SYNOPSIS # it* at isa? port 0x2e it* at isa? port 0x4e
DESCRIPTION # The it driver provides support for the ITE IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8726F, IT8728F, IT8772F and SiS SiS950 hardware monitors and watchdog(4) timer to be used with the sysctl(8) interface.
...
MVDOG(4) - Device Drivers Manual # MVDOG(4) - Device Drivers Manual
NAME # mvdog - Marvell Armada 3700 watchdog timer
SYNOPSIS # mvdog* at fdt?
DESCRIPTION # The mvdog driver provides support for the integrated watchdog timer in the Marvell Armada 3700 SoC.
SEE ALSO # intro(4), watchdog(4), watchdogd(8)
HISTORY # The mvdog driver first appeared in OpenBSD 6.6.
AUTHORS # The mvdog driver was written by Patrick Wildt <patrick@blueri.
...
MVODOG(4) - Device Drivers Manual (armv7) # MVODOG(4) - Device Drivers Manual (armv7)
NAME # mvodog - Marvell Armada 38x watchdog timer
SYNOPSIS # mvodog* at fdt?
DESCRIPTION # The mvodog driver provides support for the integrated watchdog timer in Marvell Armada 38x SoCs.
SEE ALSO # intro(4), watchdog(4), watchdogd(8)
HISTORY # The mvodog driver first appeared in OpenBSD 7.3.
AUTHORS # The mvodog driver was written by Jonathan Matthew <jmatthew@openbsd.
...
PWDOG(4) - Device Drivers Manual # PWDOG(4) - Device Drivers Manual
NAME # pwdog - Quancom PWDOG1 watchdog timer device
SYNOPSIS # pwdog0 at pci?
DESCRIPTION # The pwdog driver provides support for Quancom PWDOG1 boards.
If the kernel crashes, the watchdog timer is not reset and the system will reboot (assuming a proper connection is made between the PWDOG1 and the motherboard). Alternatively, the watchdog can be reinitialized via a userland process which ensures that process scheduling, not just kernel timeout processing, is still taking place.
...
SCHSIO(4) - Device Drivers Manual # SCHSIO(4) - Device Drivers Manual
NAME # schsio - SMSC SCH311x LPC Super I/O
SYNOPSIS # schsio* at isa? port 0x2e flags 0x0000 schsio* at isa? port 0x4e flags 0x0000 schsio* at isa? port 0x162e flags 0x0000 schsio* at isa? port 0x164e flags 0x0000
DESCRIPTION # The schsio driver provides support for the SMSC SCH3112, SCH3114, and SCH3116 ICs. Among other things, the devices contain environment sensors, a watchdog timer, and fan control.
...