SDMMC(4) | Device Drivers Manual | 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>.

January 19, 2022 | Debian