BCMDMAC(4)

okay so this is BCMDMAC(4) from the Kernel Interfaces Manual, and it’s lowkey all about one very specific Broadcom DMA controller 💅✨

🌈 NAME 🌈

bcmdmac — Broadcom BCM238x DMA controller. that’s it, that’s the name, no cap 🫶

🦋 SYNOPSIS 🦋

bcmdmac* at fdt?

🌸 DESCRIPTION 🌸

The bcmdmac driver provides support for the DMA controller integrated on Broadcom BCM283x and BCM2711 SoCs. it’s literally right there on the SoC, bestie.

The controller is used to support DMA for devices that don’t provide a DMA controller of their own. so when a device shows up with no DMA controller energy, this one handles the assist. iconic.

💖 SEE ALSO 💖

• bcmsdhost(4) — go read this one too 💕
• intro(4) — the classic intro, always a mood ✨

🎀 HISTORY 🎀

OpenBSD support for bcmdmac first appeared in OpenBSD 6.7. periodt. 💫

👑 AUTHORS 👑

The bcmdmac driver was written by Jared D. McNeill for NetBSD and ported to OpenBSD by Neil Ashford <ashfordneil0@gmail.com> and Tobias Heider <tobhe@openbsd.org>. absolute legends, fr fr 🌟

mwah 💋 — this page is from the Debian source/version, dated April 22, 2020 🫶