"Das U-Boot" Source Tree

Atmel/Microchip (AT91) ARM architecture. This is the custodian tree for the AT91 architecture, which includes support for latest Cortex-A5 and ARM926 boards, which feature the SoCs: sam9x5, sam9x60, sama5d4, sama5d3, sama5d2. http://www.linux4sam.org

Samsung (s3c, s5pc) ARM architecture

GitLab CI / U-Boot runner container

Amlogic (Meson) ARM architecture

ARC architecture

ARM architecture

Atmel (AVR32) AVR32 architecture

Broadcom (BCM) ARM architecture

Marvell (MVEBU & Kirkwood) ARM architecture

Marvell (PXA) ARM architecture

Interrupt pipeline for PowerPC (32bit)

Interrupt pipeline for ARM64

Interrupt pipeline for X86 (since kernel 4.14)

gitdm with configuration for U-Boot statistics

Interrupt pipeline support for legacy kernel releases (up to 4.9.x series)

Freescale (i.MX) ARM architecture

Sunxi (Allwinner) ARM architecture