Csb350

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CSB350 - AMD AU1100 SBC Low Cost OEM Board features 400Mhz Au1100, Au1 Core with Integrated 10/100 Ethernet, LCD Controller, Serial I/O (x3), 4-Bit SDIO, USB Device and USB Host. Additional board features are Battery-Backed RTC, 10/100 Ethernet, Dual CAN and SD/MMC Socket

This BSP also runs on the Cogent CSB250, which has an Au1500 CPU. It probably will run on the CSB650 and CSB655 boards from Cogent as well, but hasn't been tested.

Cogent Computers CSB350 http://www.cogcomp.com/csb_csb350.htm Cogent Computers CSB250 http://www.cogcomp.com/csb_csb250.htm

Status: Supported

Author: JayMonkman of Loping Dog http://www.lopingdog.com/rtems

Contents

Debugger Startup/Configuration Files

 csb350.mac

 csb350.cfg

Recovering uMon

You may need to recover your MicroMonitor image (due to Flash corruption) or if your board stops booting due to problems in the TFS (~TinyFileSystem) of uMon. One technique is to configure a uMon to run from RAM, use an emulator to load it to the CSB350, then run it and perform maintenance to the boot filesystem, etc.

See (http://www.microcross.com/app-tutorial-recover-umon.pdf) for instructions

  • n how use these files to recover your CSB350 uMon image.

Additional information on MicroMonitor as well as the source code can be

ERRATA in the instructions:

If using a Wiggler, you must set your PCs Parallel port mode to AT or EPP in the BIOS.

Step 6) You must use 'speed 8' in the OCD Commander connection in order to successfully connect to the CSB350. Once connected, the highest speed possible is 'speed 2'.

Step 10) The above script, csb350.mac does not download the .elf file, it

  • nly references the commands, the user must type the download command.

Step 12) In OCD Commander, the 'download' command does not correctly set the PC. This must be done manually before issuing the 'go' 

    > pc 0xA0400000
    > go

Contributions

Pre-Built uMon With TFSAUTOBOOTABORTABLE Enabled

A link to a pre-built uMon for the CSB350 with TFSAUTOBOOTABORTABLE as per MicroMonitor sec. 13.7.1. can be obtained here: http://www.ngit.com/blog/csb350/umon-082604-bv.zip --BogdanVacaliuc

Weblog of CSB350 development

A weblog of trials and tribulations of CSB350 development can be found here: http://www.ngit.com/blog/csb350 --BogdanVacaliuc

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