lowRISC / lowRISC/opentitan

[rom] ROM, ROM_EXT to only sense strong pull up/down values

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#30,495 2 comments 0 reactions 0 assignees View on GitHub

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Triage Priority
Dominant language
SystemVerilog
Stars
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Forks
1.1k
Avg merge
2d 22h
Merged PRs (30d)
141

Description

Description

Only allow strong pull up/down sw strap configuration options for the ROM, ROM_EXT so that integrations can leave the SW_STRAP pins as NC.

Add a manual check to the ROM sign-off.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the ROM and ROM_EXT SW_STRAP configuration options and the ROM sign-off process. Confirm which options are strong pull up/down values, restrict the allowed configurations accordingly, and add the requested manual check to ROM sign-off; the issue names no files or tests.

Written by the indexing model from the issue text.

Assessment

Domain
embedded-iot, security
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
46/100

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