1. 55d98a1 tegra20: rename tegra2 -> tegra20 by Allen Martin · Fri Aug 31 08:30:00 2012 +0000[Renamed from arch/arm/include/asm/arch-tegra2/emc.h]
  2. 5983ef8 tegra: Add EMC support for optimal memory timings by Jimmy Zhang · Mon Apr 02 13:18:52 2012 +0000