Broadcom BCM238x DMA
bcmdmac* at fdt?
bcmdmac driver provides support for
the DMA controller integrated on Broadcom BCM283x and BCM2711 SoCs.
The controller is used to support DMA for devices that don't provide a DMA controller of their own.
OpenBSD support for
bcmdmac first appeared in OpenBSD
bcmdmac driver was written by
Jared D. McNeill for NetBSD
and ported to OpenBSD by Neil
and Tobias Heider