CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

0.1.7 - 2025-05-21

Fixed

• obi_cut: Fix connection error
• obi_atop_resolver: Add support for any-width OBI atomic transactions.
• Replace $clog2 with idx_width for widths to ensure non-zero widths.
• Use always_comb blocks with default ='0 for structs to ensure non-assigned field are tied.

Added

• Add apb_to_obi module.

0.1.6 - 2025-03-26

Fixed

• obi_atop_resolver: Fix assertion error output.
• obi_cut: Fix synthesis error.

0.1.5 - 2024-08-15

Fixed

• obi_cut: Fix syntax error.

0.1.4 - 2024-08-15

Added

• Add obi_cut to add a pipeline stage and cut combinatorial paths.

Fixed

• obi_demux: Ensure gnt signal is properly passed and handshake is consistent for Manager and Subordinate ports.

0.1.3 - 2024-07-18

Added

• Add obi_rready_converter to convert between manager requiring rready to subordinate not supporting it.

0.1.2 - 2024-03-11

Added

• Add assertion module to check protocol constraints.
• Add additional typedefs.

0.1.1 - 2023-08-08

Fixed

• obi_mux: Move if outside always_comb to enforce generate and remove compile warning.

0.1.0 - 2023-07-24

Initial release

Added

• obi_mux.sv: A multiplexer IP for the OBI protocol.
• obi_demux.sv: A demultiplexer IP for the OBI protocol.
• obi_xbar.sv: A crossbar interconnect IP for the OBI protocol.
• obi_err_sbr.sv: A error subordinate, responding with the error bit set.
• obi_sram_shim.sv: An adapter for a standard sram.
• obi_atop_resolver.sv: An atomics filter, resolving atomic operations on an exclusive bus.
• Various support infrastructure for types and configurations in obi_pkg.sv, obi_typedef.svh, and obi_assign.svh.
• Initial testing infrastructure, testing obi_xbar and obi_atop_resolver.