BCMMBOX(4) - Device Drivers Manual # BCMMBOX(4) - Device Drivers Manual
NAME # bcmmbox - Broadcom BCM283x VideoCore Mailboxes
SYNOPSIS # bcmmbox* at fdt?
DESCRIPTION # The bcmmbox driver handles communication with the VideoCore on Broadcom BCM2835, BCM2836 and BCM2837 SoCs.
SEE ALSO # intro(4)
HISTORY # The bcmmbox driver first appeared in OpenBSD 6.7.
AUTHORS # The bcmmbox driver was written by Neil Ashford <ashfordneil0@gmail.com> and Tobias Heider <tobhe@openbsd.
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BCMPCIE(4) - Device Drivers Manual # BCMPCIE(4) - Device Drivers Manual
NAME # bcmpcie - Broadcom BCM2711 Host/PCIe bridge
SYNOPSIS # bcmpcie* at fdt? pci* at bcmpcie?
DESCRIPTION # The bcmpcie driver provides support for the PCIe controller found on the Broadcom BCM2711 SoC that is used in the Raspberry Pi 4.
SEE ALSO # intro(4), pci(4)
HISTORY # The bcmpcie driver first appeared in OpenBSD 6.7.
AUTHORS # The bcmpcie driver was written by Mark Kettenis <kettenis@openbsd.
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BCMRNG(4) - Device Drivers Manual # BCMRNG(4) - Device Drivers Manual
NAME # bcmrng - Broadcom BCM2835/BCM2836/BCM2837 random number generator
SYNOPSIS # bcmrng* at fdt?
DESCRIPTION # The bcmrng driver provides support for the random number generator found on the Broadcom BCM2835/BCM2836/BCM2837 SoC.
It feeds the random subsystem’s entropy pool with up to 128 bits of random data every second.
SEE ALSO # intro(4), random(4), arc4random(9)
HISTORY # The bcmrng driver first appeared in OpenBSD 6.
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BCMSDHOST(4) - Device Drivers Manual # BCMSDHOST(4) - Device Drivers Manual
NAME # bcmsdhost - Broadcom BCM238x SD controller
SYNOPSIS # bcmsdhost* at fdt? sdmmc* at bcmsdhost?
DESCRIPTION # The bcmsdhost driver provides support for the SD controllers integrated on Broadcom BCM283x and BCM2711 SoCs. The driver uses the bcmdmac(4) DMA controller to provide DMA support.
The sdmmc(4) subsystem performs SD/MMC transactions to communicate with whatever SD devices are inserted into the card slot or directly connected to the controller.
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BCMTEMP(4) - Device Drivers Manual # BCMTEMP(4) - Device Drivers Manual
NAME # bcmtemp - Broadcom BCM2835/BCM2836/BCM2837 temperature monitor
SYNOPSIS # bcmtemp* at fdt?
DESCRIPTION # The bcmtemp driver provides support for the temperature sensor found on the Broadcom BCM2835/BCM2836/BCM2837 SoC.
Sensor values are made available through the sysctl(8) interface.
SEE ALSO # intro(4), sensorsd(8), sysctl(8)
HISTORY # The bcmtemp driver first appeared in OpenBSD 6.3.
AUTHORS # The bcmtemp driver was written by Mark Kettenis <kettenis@openbsd.
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BCMTMON(4) - Device Drivers Manual # BCMTMON(4) - Device Drivers Manual
NAME # bcmtmon - Broadcom BCM2711 temperature monitor
SYNOPSIS # bcmtmon* at fdt?
DESCRIPTION # The bcmtmon driver provides support for the temperature sensor found on the Broadcom BCM2711 SoC that is used in the Raspberry Pi 4.
Sensor values are made available through the sysctl(8) interface.
SEE ALSO # intro(4), sensorsd(8), sysctl(8)
HISTORY # The bcmtmon driver first appeared in OpenBSD 6.
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BDPMIC(4) - Device Drivers Manual # BDPMIC(4) - Device Drivers Manual
NAME # bdpmic - ROHM BD718x7 Power Management IC
SYNOPSIS # bdpmic* at iic?
DESCRIPTION # The bdpmic driver provides support for the voltage regulators in the ROHM BD71837 and BD71847 Power Management ICs.
SEE ALSO # iic(4), intro(4)
HISTORY # The bdpmic driver first appeared in OpenBSD 6.7.
AUTHORS # The bdpmic driver was written by Patrick Wildt <patrick@blueri.
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BE(4) - Device Drivers Manual (sparc64) # BE(4) - Device Drivers Manual (sparc64)
NAME # be - SPARC64 10/100 Ethernet device
SYNOPSIS # qec* at sbus? be* at qec?
DESCRIPTION # The be interface provides access to the 10Mb/s and 100Mb/s (half duplex only) Ethernet networks. The be is found on the Sun 10/100 Mbit Ethernet boards (Sun part number SUNW,501-2655).
The be is not capable of link autonegotiation, so a media type must be specified with ifconfig(8).
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BEEPER(4) - Device Drivers Manual (sparc64) # BEEPER(4) - Device Drivers Manual (sparc64)
NAME # beeper, beep - console annunciator
SYNOPSIS # beeper* at ebus? beep* at ebus?
DESCRIPTION # The beeper device does exactly what it sounds like: it beeps. In particular, this device registers itself to handle beeping for pckbd(4) or ukbd(4) devices.
SEE ALSO # ebus(4), intro(4), pckbd(4), ukbd(4)
HISTORY # OpenBSD support for the beeper first appeared in OpenBSD 3.
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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).
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