Copyright (C) 2013 Sergey Lapin

These schematics and PCB layout are free: you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3
of the License, or (at your option) any later version.

This schematic and PCB layout are distributed in the hope that these
will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

Please note, that this license is only for schematics and board layout,
and symbol libraries.
I don't know, and I don't want to know of any patent issues you can get
into using this design. Good luck.

Also, `sexpdata` is licensed under the terms of the BSD 2-Clause License.
See the source code for more information.

Symbol for Allwinner A13 was taken from Olimex PCB for OLinuXino,
and is subject to their license and permissions.
See https://github.com/OLIMEX/OLINUXINO

S.