Preliminary support was added for devices using the Apple M1 SoC:
Recognized Apple Icestorm/Firestorm cores on arm64.
Added support for BCM4378 chips, as found on the Apple M1 SoCs, to bwfm(4).
Added exuart(4) support for the UART found on the Apple M1 SoC.
Added apldog(4), a driver for the watchdog on Apple M1 SoCs, allowing reboot of the machine.
Added aplintc(4), a driver for the interrupt controller found on Apple M1 SoCs.
Added aplpcie(4), a driver for the PCIe host bridge on Apple M1 SoCs.
Added apldart(4), a driver for the IOMMU on Apple M1 SoCs.
Added support for CPUs with 8-bit ASIDs such as those on Apple's M1 SoC.