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Caliptra SS integration questions #265

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jchanga opened this issue Feb 5, 2025 · 0 comments
Open

Caliptra SS integration questions #265

jchanga opened this issue Feb 5, 2025 · 0 comments

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@jchanga
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jchanga commented Feb 5, 2025

Hello,

A few questions from Caliptra SS v0.8:

  1. Are all memories in Integration Spec Memory Requirements table required, including ones that are not shown in Subsystem Block Diagram? For example, mcu iccm, ic, ic_tag.
  2. Is clock requirement frequency 200MHz exact? What are the reasons behind such requirement?
  3. Is it possible to modify caliptra_ss_top.sv without violating Trademark requirements? For example, it might be desired to bring out otp_ctrl.scanmode_i.
  4. Is Caliptra internal TRNG is only option as all trng signals, including etrng_req, are removed if CALIPTRA_INTERNAL_TRNG is not defined?
  5. Do all fields in otp_ctrl_mmap.md need physical fuse backing, i.e. total of 1337 bytes?

Thanks,
Jonathan

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