1. 495a5dc common: Move get_ticks() function out of common.h by Simon Glass · Thu Nov 14 12:57:30 2019 -0700
  2. 10e4779 SPDX: Convert all of our single license tags to Linux Kernel style by Tom Rini · Sun May 06 17:58:06 2018 -0400
  3. c515453 armv7m: Add SysTick timer driver by Phil Edworthy · Fri Feb 17 08:22:17 2017 +0000