sdmmc(4)

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>.