Replace AXI atomic adapter with OBI atomic adapter

.gitlab/common.yml

@@ -59,6 +59,7 @@
     - .init-env
   script:
     - make sn-tests
+    - make pb-sn-tests
   artifacts:
     paths:
       - sw/snitch/tests/build/*.elf

.gitlab/sw-tests.yml

@@ -19,3 +19,4 @@
       - { CHS_BINARY: $CHS_BUILD_DIR/simple_offload.spm.elf, SN_BINARY: $SN_BUILD_DIR/simple.elf, PRELMODE: 1 }
       # - { CHS_BINARY: $CHS_BUILD_DIR/simple_offload.spm.elf, SN_BINARY: $SN_BUILD_DIR/simple.elf, PRELMODE: 3 }
       - { CHS_BINARY: $CHS_BUILD_DIR/simple_offload.spm.elf, SN_BINARY: $SN_BUILD_DIR/non_null_exitcode.elf, NZ_EXIT_CODE: 896 }
+      - { CHS_BINARY: $CHS_BUILD_DIR/simple_offload.spm.elf, SN_BINARY: $SN_BUILD_DIR/multicluster_atomics.elf }

Bender.lock

@@ -34,6 +34,15 @@ packages:
     - common_verification
     - register_interface
     - tech_cells_generic
+  axi_obi:
+    revision: null
+    version: null
+    source:
+      Path: hw/axi_obi
+    dependencies:
+    - axi
+    - common_cells
+    - obi
   axi_riscv_atomics:
     revision: 0ac3a78fe342c5a5b9b10bff49d58897f773059e
     version: 0.8.2
@@ -198,8 +207,8 @@ packages:
     - common_cells
     - register_interface
   obi:
-    revision: 8097928cf1b43712f93d5356f336397879b4ad2c
-    version: 0.1.6
+    revision: ad1d48f025be540344960ea83b4bff39876f9b36
+    version: null
     source:
       Git: https://github.com/pulp-platform/obi.git
     dependencies:

Bender.yml

@@ -14,6 +14,8 @@ dependencies:
   cheshire: { git: "https://github.com/pulp-platform/cheshire.git", rev: "main" }
   floo_noc: { git: "https://github.com/pulp-platform/FlooNoC.git", version: "0.6.1"}
   snitch_cluster: { git: "https://github.com/pulp-platform/snitch_cluster.git", rev: "main" }
+  obi: { git: "https://github.com/pulp-platform/obi.git", rev: "ad1d48f025be540344960ea83b4bff39876f9b36"}
+  axi_obi: { path: "hw/axi_obi" }
   picobello-pd:  { path: "./pd" }
 
 workspace:

hw/axi_obi/Bender.yml

@@ -0,0 +1,18 @@
+# Copyright 2023 ETH Zurich and University of Bologna.
+# Solderpad Hardware License, Version 0.51, see LICENSE for details.
+# SPDX-License-Identifier: SHL-0.51
+
+package:
+  name: axi_obi
+  authors:
+    - "Michael Rogenmoser <michaero@iis.ee.ethz.ch>"
+
+dependencies:
+  axi:          { git: "https://github.com/pulp-platform/axi.git",          version: 0.39.1 }
+  obi:          { git: "https://github.com/pulp-platform/obi.git",rev: "ad1d48f025be540344960ea83b4bff39876f9b36"}
+  common_cells: { git: "https://github.com/pulp-platform/common_cells.git", version: 1.31.1 }
+
+sources:
+  - src/axi_to_detailed_mem_user.sv
+  - src/axi_to_obi.sv
+  - src/obi_to_axi.sv

hw/axi_obi/Readme.md

@@ -0,0 +1,3 @@
+# AXI - OBI protocol converters
+
+Protocol converters for the pulp-platform OBI and AXI IPs.