OBI: Fix missing intf definition. Adjust coding style. #157

hdl-src/obi_intf.sv

@@ -0,0 +1,51 @@
+interface obi_intf #(
+    parameter DATA_WIDTH = 32,
+    parameter ADDR_WIDTH = 32,
+    parameter ID_WIDTH = 1
+);
+    logic req;
+    logic gnt;
+    logic [ADDR_WIDTH-1:0] addr;
+    logic we;
+    logic [DATA_WIDTH/8-1:0] be;
+    logic [DATA_WIDTH-1:0] wdata;
+    logic [ID_WIDTH-1:0] aid;
+
+    logic rvalid;
+    logic rready;
+    logic [DATA_WIDTH-1:0] rdata;
+    logic err;
+    logic [ID_WIDTH-1:0] rid;
+
+    modport manager (
+        output req,
+        input gnt,
+        output addr,
+        output we,
+        output be,
+        output wdata,
+        output aid,
+
+        input rvalid,
+        output rready,
+        input rdata,
+        input err,
+        input rid
+    );
+
+    modport subordinate (
+        input req,
+        output gnt,
+        input addr,
+        input we,
+        input be,
+        input wdata,
+        input aid,
+
+        output rvalid,
+        input rready,
+        output rdata,
+        output err,
+        output rid
+    );
+endinterface