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/uart.h]
  2. 41b6838 arm: Tegra2: Add basic NVIDIA Tegra2 SoC support by Tom Warren · Thu Jan 27 10:58:05 2011 +0000