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Custom code inserted by AISGen

James Jurack
Intellectual 390 points

I am creating a custom AIS boot script for a C6748, and I noticed that if I use AISGen to create a script, it includes a small application that is loaded at 0x00800000 and executed using the Jump command, after what appears to be using the Boot Table command to set up its stack. Can anyone tell me what this code does, and if it is necessary to include it in my own custom boot script?

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    TI__Genius 17355 points

    The AISGen tool for the original ROM revision included loaded an extra bit of code for DDR configuration, since the ROM function to do this did not support mDDR configuration properly. All versions of the ROM after the first can use the ROM function directly, and do not require this code. By the way, the BootTable (or SET) commands are used to pass the arguments for DDR init to the loaded bit of code.

    Regards, Daniel