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Using a JTAG in Linux Driver Debugging - page 30 / 48

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04/16/2008 - Copyright © 2008 The PTR Group Inc.

CELF-2008-SVC-30

Developing the Configuration File

The JTAG vendor will likely already have a register file for the processor

ARM920, PPC8241, etc.

Your task will be to develop the board configuration file

There may be a configuration file for the reference board that you can use as a starting point

The configuration file is essentially a script of commands to initialize the target board

You keep working on it until you can initialize memory

Once memory is on-line, you should then be able to write values into memory via the JTAG that can be read back

Then, enhance the configuration to initialize other peripherals

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