Wednesday, September 29, 2010

The Barebox Bootloader

To be or not to be? Barebox

Thursday, September 23, 2010

nVidia: Tegra 250 Benchmark

ARM Cortex A9 Series: Benchmark

nVidia: Tegra 250 Source Code

1. nVidia
   http://nv-tegra.nvidia.com/gitweb
   git://nv-tegra.nvidia.com/linux-2.6.git

HOWTO Build from Scratch
[ ]# bash linux_for_tegra_os_pack_rel_10.8.2_RC0.run
[ ]# cd linux4tegra/
[ ]# export L4TROOT=${PWD}
[ ]# ./unpack_targetfs.sh
[ ]# ./apply_l4t.sh

[ ]# git clone git://nv-tegra.nvidia.com/linux-2.6.git
[ ]# cd linux-2.6
[ ]# git checkout -b tegra-linux tegra-10.8.3

2. Google
   http://android.git.kernel.org
   git://android.git.kernel.org/kernel/tegra.git

HOWTO Build the Linux Kernel
[ ]# git clone git://android.git.kernel.org/kernel/tegra.git android-tegra-2.6.35
[ ]# cd android-tegra-2.6.35
[ ]# git branch -a
* master
origin/HEAD
origin/android-tegra-2.6.33
origin/android-tegra-2.6.33-rc8
origin/android-tegra-2.6.34-rc2
origin/android-tegra-2.6.34-rc4
origin/android-tegra-2.6.34-rc5
origin/android-tegra-2.6.34-rc6
origin/android-tegra-2.6.34-rc7
origin/android-tegra-2.6.35
origin/for-linus
origin/for-next
origin/for-review
origin/linus/for-linux
origin/linux-tegra-2.6.34-rc1
origin/linux-tegra-2.6.34-rc2
origin/linux-tegra-2.6.35
origin/linux-tegra-2.6.35-rc2
origin/master
[ ]# git checkout -b tegra250-android origin/android-tegra-2.6.35
[ ]# git branch
master
* tegra250-android

Ref:
1. http://tegradeveloper.nvidia.com/tegra/
2.
3.
n. http://dev.gentoo.org/~armin76/arm/tegra2/install.xml

Tuesday, September 14, 2010

ARM: Versatile Express

Hardware

Software
u-boot

Linux kernel

Root File System


Performance

Wednesday, September 1, 2010

Vector Floating-Point (VFP)

Float Point Test Program (Download)