/** @page loongson_ls1b Loongson LS1B demo board

The LS1B is a development board made by Loongson Technology Corp. Ltd.

The board has
@li Loongson LS1B SoC 250 MHz;
@li 64 MiB SDRAM;
@li 512 KiB SPI boot ROM;
@li 128M x 8 Bit NAND Flash Memory;
@li 2 x RS232 serial interfaces (DB9 connectors);
@li 2 x Ethernet interfaces;
@li 4 x USB interfaces;
@li microSD card slot;
@li LCD display (480x272);
@li audio controller;
@li beeper;
@li buttons;
@li EJTAG 10-pin connector.

The board uses PMON2000 as bootloader.

Barebox mini-howto:

1. Connect to the boards's UART2;

2. Turn board's power on;

3. Wait 'Press <Enter> to execute loading image' prompt and press the space key.

4. Upload zbarebox.bin via Ymodem
@verbatim
    PMON> ymodem base=0xa0200000
@endverbatim

5. Run barebox
@verbatim
    PMON> g -e 0xa0200000
@endverbatim

Loongson links:
@li http://en.wikipedia.org/wiki/Loongson
@li http://www.linux-mips.org/wiki/Loongson
@li https://github.com/loongson-gz
@li http://www.linux-mips.org/wiki/PMON_2000
@li http://www.opsycon.se/PMON2000/Main

*/