Archive for May, 2010

Running U-Boot on the Dell Powerconnect 3324

May 13, 2010

CFE is a nice bootloader, but it’s only focussed on booting VxWorks images.

The current preferred opensource embedded bootloader appears to be Das U-Boot. And U-Boot conveniently supports the ‘BMW’ platform.

So I grab the latest U-Boot (u-boot-2010.03.tar.bz2) and using the same ELDK toolchain as earlier I do:

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Why even bother?

May 11, 2010

Currently most, if not all switch designs are proprietary and protected under strict licenses and NDAs. There is currently no known homebrew community, so end-users are at the whims of the vendors for updates for their products. Especially with the cheaper product lines, vendors may be very quick with ceasing support for legacy platforms, sometimes as fast as the announcement of the new product line.

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Running Broadcom CFE

May 8, 2010

Well, that was easy.

I remember that Broadcom publically offered their bootloader source online for download. I downloaded version 1.4.2 and extracted this. Broadcom offers a bunch of crosscompiler toolchains for download, but only for the sb1, mips and mips64 architectures. Not for the PowerPC architecture that the MPC8245 is using.

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JTAG Success!

May 8, 2010

For the next article I’ll have to provide some extra background.

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