1. ab37196 Tegra20: Move some include files to arch-tegra for sharing with Tegra30 by Tom Warren · Wed Sep 19 15:50:56 2012 -0700[Renamed from arch/arm/include/asm/arch-tegra20/timer.h]
  2. 22562a4 Tegra: Change Tegra20 to Tegra in common code, prep for T30 by Tom Warren · Tue Sep 04 17:00:24 2012 -0700
  3. 55d98a1 tegra20: rename tegra2 -> tegra20 by Allen Martin · Fri Aug 31 08:30:00 2012 +0000[Renamed (92%) from arch/arm/include/asm/arch-tegra2/timer.h]
  4. 28cb161 Tegra2: Add microsecond timer function by Simon Glass · Tue Aug 30 06:23:12 2011 +0000