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@yvantor yvantor commented Sep 20, 2025

Upstream features from Astral tapeout. In particular:

  • Integration of the padframe
  • Integration of the FLLs
  • Functional physical implementation flow

Also addressing several bug-fixes, including:

@yvantor yvantor requested a review from alex96295 as a code owner September 20, 2025 12:07
@yvantor yvantor self-assigned this Sep 20, 2025
@yvantor yvantor marked this pull request as draft September 20, 2025 12:10
Yvan Tortorella and others added 26 commits September 20, 2025 14:18
…ference (pulp-platform#262)

* WIP: add wce test.

* Fix `buffer` accesses in `pulp-offload-intf.c`

* Let `pulp_boot_default` be defined by `elf2header.py`

* Point to yt/carfield branch for the `regression_tests`

* Fix `carfield.mk` indentation

* Correctly filter out `CAR_ELFLOAD_PULPD_INTF_SRC_C` from `CAR_SW_TEST_SRCS_C`
* Bump dependencies and align testbench with new Cheshire JTAG tasks.

* Fix connections.

* Align cache-enable CSR with OpenHW recent changes...

* Add draft CI flow.

* Use normal printf in `Helloworld`.

* Update nonfree rules.

* Fix parameter declaration in L2 Ecc asyncronoys buses.

* Fix PULP cluster EOC and busy enable connections.

* Update nonfree.

* Bump nonfree.

* Bump nonfree to copy uImage in dedicated `astral` folder.

* Apply suggestions from code review

Co-authored-by: Michael Rogenmoser <michael@rogenmoser.us>

---------

Co-authored-by: Yvan Tortorella <ytortorella@lagrev3.ee.ethz.ch>
Co-authored-by: Michael Rogenmoser <michael@rogenmoser.us>
Left commented old INTEL16 implementation of the PLL, as a reference.
Update README.md

Update README.md

Fixing simulation flow: WIP

Update README.md
…dded behavioural padframe dependency to Bender

Update README.md

Debugging (WIP)
…Pad behavioural model; Added necessary package; Removed memory initialization in the TB

Fixes after last rebase

Fixes after the last rebase

Fixes after the last rebase

Fixes after rebase
… Updated the TB accordingly. IMPORTANT: the FLL is slow (13.61MHz instead of the nominal 42MHz) and this causes issues with tests (e.g. the VIP of the hyperram complains that the CS is too slow)
…erence clock of 50MHz; Update with the new FLL wrapper interface

Update README.md
… the TB configure the padframe based on the bootmode; Cleaned the file structure and Bender
@yvantor yvantor force-pushed the yt/astral-resume branch 2 times, most recently from 6bb1d38 to edbf229 Compare October 14, 2025 07:08
@yvantor yvantor marked this pull request as ready for review October 14, 2025 12:26
@yvantor yvantor removed the request for review from alex96295 October 14, 2025 12:26
@yvantor yvantor merged commit 6c6fd0d into astral Oct 14, 2025
19 checks passed
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10 participants