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