OneNAND
MPC85xx architecture (also: QorIQ)
NAND flash support
MPC82xx architecture
NIOS(II)
MPC8xx architecture
Network Library
FreeBSD Support
U-Boot port for Synopsys DesignWare ARC cores
UEFI sub-system
Microblaze architecture
Marvell (PXA) ARM architecture
ARM architecture
Freescale (i.MX) ARM architecture
Interrupt pipeline for X86 (since kernel 4.14)
STMicroelectronics ARM architecture
Altera SoCFPGA ARM architecture
USB drivers