blob: ea7ed8d8d018167e17f0e5f86f3be756a11f9cd9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
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 ``images/barebox-loongson-ls1b.img`` 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
|