SDMMC(4) - Device Drivers Manual #

SDMMC(4) - Device Drivers Manual

NAME #

sdmmc - SD bus

SYNOPSIS #

# arm64 sdmmc* at amlmmc? sdmmc* at bcmsdhost? sdmmc* at dwmmc? sdmmc* at imxesdhc? sdmmc* at sximmc?

# armv7 sdmmc* at bcmsdhost? sdmmc* at dwmmc? sdmmc* at imxesdhc? sdmmc* at mvpxa? sdmmc* at ommmc? sdmmc* at sximmc?

# octeon sdmmc* at octmmc?

# riscv64 sdmmc* at cdsdhc? sdmmc* at dwmmc?

# sparc64 sdmmc* at wbsd?

# all architectures sdmmc* at rtsx? sdmmc* at sdhc?

DESCRIPTION #

The sdmmc subsystem provides machine-independent bus support and drivers for SD/MMC devices.

Standard SD/SDHC memory devices will show up as a fake SCSI disk, using scsibus(4) and sd(4).

SEE ALSO #

intro(4), rtsx(4), scsibus(4), sd(4), sdhc(4)

HISTORY #

The sdmmc driver first appeared in OpenBSD 4.0.

AUTHORS #

The sdmmc driver was written by Uwe Stuehler <uwe@openbsd.org>.

OpenBSD 7.5 - January 19, 2022