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Add debug unlock procudes in rom #1851

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Add debug unlock procudes in rom #1851

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ArthurHeymans
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Still needs test cases

@ArthurHeymans ArthurHeymans changed the base branch from main to main-2.x December 13, 2024 16:18
@ArthurHeymans ArthurHeymans added the Caliptra v2.0 Items to be considered for v2.0 Release label Dec 13, 2024
@ArthurHeymans ArthurHeymans force-pushed the DebugUnlock branch 2 times, most recently from 9c26ad0 to 048ef3d Compare December 17, 2024 17:26
@ArthurHeymans ArthurHeymans marked this pull request as ready for review December 17, 2024 17:26
Reading the production debug fuses needs this.

Signed-off-by: Arthur Heymans <[email protected]>
Signed-off-by: Arthur Heymans <[email protected]>
This adds both the manufactoring and production debug unlock codepaths.

There are a few details that need to be resolved in TODOs that are
unclear from the documentation.

Signed-off-by: Arthur Heymans <[email protected]>
Signed-off-by: Arthur Heymans <[email protected]>
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I left writing the unit test for production for some later time. I understood the emulator for the Dma engine wrong (it does not operate on the root bus) and it needs to have a completely separate 64bit bus for AXI.

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