target/cluster: Expose cluster_base ports

pulp-platform · Jan 17, 2024 · dbbb537 · dbbb537
1 parent ae02a03
commit dbbb537
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Showing 3 changed files with 10 additions and 6 deletions.
diff --git a/docs/schema/snitch_cluster.schema.json b/docs/schema/snitch_cluster.schema.json
@@ -141,6 +141,11 @@
             "description": "Whether to provide a debug request input and external debug features",
             "default": true
         },
+        "cluster_base_expose": {
+            "type": "boolean",
+            "description": "Whether to expose base_addr and base_hart_id",
+            "default": false
+        },
         "sram_cfg_expose": {
             "type": "boolean",
             "description": "Whether to expose memory cut configuration inputs for implementation",

diff --git a/hw/snitch_cluster/src/snitch_cluster_wrapper.sv.tpl b/hw/snitch_cluster/src/snitch_cluster_wrapper.sv.tpl
@@ -222,7 +222,7 @@ module ${cfg['name']}_wrapper (
   input  logic [${cfg['pkg_name']}::NrCores-1:0] meip_i,
   input  logic [${cfg['pkg_name']}::NrCores-1:0] mtip_i,
   input  logic [${cfg['pkg_name']}::NrCores-1:0] msip_i,
-% if not cfg['tie_ports']:
+% if cfg['cluster_base_expose']:
   input  logic [9:0]                             hart_base_id_i,
   input  logic [${cfg['addr_width']-1}:0]                            cluster_base_addr_i,
 % endif
@@ -344,12 +344,12 @@ module ${cfg['name']}_wrapper (
     .meip_i,
     .mtip_i,
     .msip_i,
-% if cfg['tie_ports']:
-    .hart_base_id_i (${to_sv_hex(cfg['cluster_base_hartid'], 10)}),
-    .cluster_base_addr_i (${to_sv_hex(cfg['cluster_base_addr'], cfg['addr_width'])}),
-% else:
+% if cfg['cluster_base_expose']:
     .hart_base_id_i,
     .cluster_base_addr_i,
+% else:
+    .hart_base_id_i (${to_sv_hex(cfg['cluster_base_hartid'], 10)}),
+    .cluster_base_addr_i (${to_sv_hex(cfg['cluster_base_addr'], cfg['addr_width'])}),
 % endif
 % if cfg['timing']['iso_crossings']:
     .clk_d2_bypass_i,

diff --git a/util/clustergen/cluster.py b/util/clustergen/cluster.py
@@ -374,7 +374,6 @@ def __init__(self, cfg):
         pma_cfg.add_region_length(PMA.CACHED, self.cfg['dram']['address'],
                                   self.cfg['dram']['length'],
                                   self.cfg['cluster']['addr_width'])
-        self.cfg['cluster']['tie_ports'] = True
         # Store Snitch cluster config in separate variable
         self.cluster = SnitchCluster(cfg["cluster"], pma_cfg)