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SDHC(4) Device Drivers Manual SDHC(4)

sdhcSD Host Controller

sdhc* at acpi?
sdhc* at fdt?
sdhc* at pci?
sdmmc* at sdhc?

The sdhc driver provides support for SD controllers following the SD Host Controller Standard Simplified Specification.

The sdmmc(4) subsystem performs SD/MMC transactions to communicate with whatever MMC, SD, SDHC, or SDIO devices are inserted into the SD slot.

intro(4), sdmmc(4)

The sdhc driver first appeared in OpenBSD 4.0.

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

August 6, 2020 OpenBSD-7.5