tree a18346d77b342cf564d0116060c95202ff07a673
parent 835cb5d0bf99128fdeb49a47106f372dd074ed6b
author Mark Kettenis <kettenis@openbsd.org> 1635001085 +0200
committer Tom Rini <trini@konsulko.com> 1635684404 -0400

iommu: Add Apple DART driver

The DART is an IOMMU that is used on Apple's M1 SoC.  This driver
configures the DART such that it operates in bypass mode which is
enough to support DMA for the USB3 ports integrated on the SoC.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>