51QE Bootloader

[neil_klingensmi]

I've written a flash and RAM bootloader for the 51QE family of devices. The source and documentation can be downloaded from my website:

http://pages.cs.wisc.edu/~klingens

It is useful if you want to use gcc or another 3rd party compiler to generate binaries for your device.

[JimDon]

Neil,

Pretty cool.

Which version are you using? I'd to try it out.

Download Sourcery CodeBench for ColdFire ELF - Mentor Graphics

[neil_klingensmi]

I've tested it on the 51QE128 and 51QE32.

-Neil

[JimDon]

I'm sorry, I meant version of codesourcery.

[neil_klingensmi]

Oh, I compiled it with v10.2.

[JimDon]

Well, the example built fine on windows with 4.5.1, but I will upgrade to the version you mentioned.

Any chance I could convince you to put the make file in your bootloader zip?

Thanks...

[neil_klingensmi]

Sure, do you want the makefile for Codewarrior? I don't think it has any project-specific definitions. Are you having trouble building it?

[JimDon]

I see, looking at the source code it is a CW project.

[neil_klingensmi]

Right, the bootloader must be compiled and programmed onto the board with Codewarrior. Once programmed onto the board, it allows you to load code generated with gcc. I would rather not involve Codewarrior at any stage of the process, but I don't have any open-source tools for accessing the 51QE's BDM interface.

I have attached a header file with register definitions for the 51QE that works with gcc. I will also add this to the example tarball on my website.

[JimDon]

Thanks for that.

Do you have some guidelines for converting Freescale .h files to ones that gcc can digest?