57 lines
1.1 KiB
ReStructuredText
57 lines
1.1 KiB
ReStructuredText
Loongson LS1B
|
|
=============
|
|
|
|
The LS1B is a development board made by Loongson Technology Corp. Ltd.
|
|
|
|
The board has
|
|
|
|
* Loongson LS1B SoC 250 MHz;
|
|
* 64 MiB SDRAM;
|
|
* 512 KiB SPI boot ROM;
|
|
* 128M x 8 Bit NAND Flash Memory;
|
|
* 2 x RS232 serial interfaces (DB9 connectors);
|
|
* 2 x Ethernet interfaces;
|
|
* 4 x USB interfaces;
|
|
* microSD card slot;
|
|
* LCD display (480x272);
|
|
* audio controller;
|
|
* beeper;
|
|
* buttons;
|
|
* EJTAG 10-pin connector.
|
|
|
|
The board uses PMON2000 as bootloader.
|
|
|
|
Running barebox
|
|
---------------
|
|
|
|
1. Connect to the boards's UART2 (115200 8N1);
|
|
|
|
2. Turn board's power on;
|
|
|
|
3. Wait ``Press <Enter> to execute loading image`` prompt and press the space key.
|
|
|
|
4. Build barebox and upload ``zbarebox.bin`` via Ymodem to the board:
|
|
|
|
.. code-block:: none
|
|
|
|
PMON> ymodem base=0xa0200000
|
|
|
|
..
|
|
|
|
5. Run barebox
|
|
|
|
.. code-block:: none
|
|
|
|
PMON> g -e 0xa0200000
|
|
|
|
..
|
|
|
|
Links
|
|
-----
|
|
|
|
* http://en.wikipedia.org/wiki/Loongson
|
|
* http://www.linux-mips.org/wiki/Loongson
|
|
* https://github.com/loongson-gz
|
|
* http://www.linux-mips.org/wiki/PMON_2000
|
|
* http://www.opsycon.se/PMON2000/Main
|