Banana Pi

The Banana Pi embedded system is very similar to the Raspberry Pi.

Lemakers Gentoo Image
Download the compressed image file from http://www.lemaker.org/mirror and extract it.

Connect a compatible SD card, or a SATA 2.5" harddisc with your computer. Lets assume the device is named . Write the image to the media with dd

Manual Gentoo installation on SDD
Boot a Gentoo system (for example the Lemaker image) from SD card. Follow to the installation procedure in the amd64 manual but download and use an ARMv7a stage3 file from https://www.gentoo.org/downloads/ instead of the amd64 version.

Build the Kernel for a Banana Pi
http://wiki.lemaker.org/BananaPro/Pi:Building_u-boot,_script.bin_and_linux-kernel