"Das U-Boot" Source Tree

Samsung (s3c, s5pc) ARM architecture

Interrupt pipeline for PowerPC (32bit)

Interrupt pipeline for ARM64

Freescale (i.MX) ARM architecture

Amlogic (Meson) ARM architecture

ARC architecture

ARM architecture

Atmel (AT91) ARM architecture

Atmel (AVR32) AVR32 architecture

Broadcom (BCM) ARM architecture

Marvell (MVEBU & Kirkwood) ARM architecture

Marvell (PXA) ARM architecture

Altera SoCFPGA ARM architecture

Tegra (Tegra2, ...) ARM architecture

Texas Instruments (OMAP, DaVinci) ARM architecture

Blackfin architecture

CFI flash driver

DFU

Flattened Device Tree