1. 1e91b12 sandbox: physmem: Use mapping to support sandbox by Simon Glass · Fri Nov 23 21:29:26 2018 -0700
  2. b062146 lib/physmem.c: Switch to __weak for arch_phys_memset by Tom Rini · Sun Mar 27 14:06:11 2016 -0400
  3. a2f3a93 Introduce arch_phys_memset which works like memset but on physical memory by Gabe Black · Sun Dec 02 04:55:18 2012 +0000