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SXIMMC(4) Device Drivers Manual SXIMMC(4)

sximmc
SD/MMC controller

sximmc* at fdt?
sdmmc* at sximmc?

The sximmc driver provides support for the MMC/SD/SDIO controller integrated on Allwinner A1X/A20 SoCs.
The sdmmc(4) subsystem performs SD/MMC transactions to communicate with MMC, SD, SDHC, or SDIO devices inserted into the SD slot.

intro(4), sdmmc(4), sunxi(4)

The sximmc driver first appeared in OpenBSD 6.1.

The sximmc driver was written by Jared D. McNeill for NetBSD and ported to OpenBSD by Mark Kettenis kettenis@openbsd.org.
March 31, 2018 OpenBSD-current