[prim_arbiter_fixed/fpv] Add generated FPV testbench

Signed-off-by: Michael Schaffner <msf@google.com>

hw/formal/fpv_all

diff --git a/hw/formal/fpv_all b/hw/formal/fpv_all
index 44ddb0e..67672c3 100755
--- a/hw/formal/fpv_all
+++ b/hw/formal/fpv_all
@@ -36,6 +36,7 @@
   # run formal on dedicated FPV testbenches
   "prim_arbiter_ppc_fpv"
   "prim_arbiter_tree_fpv"
+  "prim_arbiter_fixed_fpv"
   "prim_alert_rxtx_fpv"
   "prim_alert_rxtx_async_fpv"
   "prim_esc_rxtx_fpv"

hw/ip/prim/fpv/prim_arbiter_fixed_fpv.core

diff --git a/hw/ip/prim/fpv/prim_arbiter_fixed_fpv.core b/hw/ip/prim/fpv/prim_arbiter_fixed_fpv.core
new file mode 100644
index 0000000..4264fee
--- /dev/null
+++ b/hw/ip/prim/fpv/prim_arbiter_fixed_fpv.core
@@ -0,0 +1,25 @@
+CAPI=2:
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+name: "lowrisc:fpv:prim_arbiter_fixed_fpv:0.1"
+description: "prim_arbiter_fixed FPV target"
+filesets:
+  files_formal:
+    depend:
+      - lowrisc:prim:all
+    files:
+      - tb/prim_arbiter_fixed_fpv.sv
+    file_type: systemVerilogSource
+
+targets:
+  default: &default_target
+    # note, this setting is just used
+    # to generate a file list for jg
+    default_tool: icarus
+    filesets:
+      - files_formal
+    toplevel: prim_arbiter_fixed_fpv
+
+  formal:
+    <<: *default_target

hw/ip/prim/fpv/tb/prim_arbiter_fixed_fpv.sv

diff --git a/hw/ip/prim/fpv/tb/prim_arbiter_fixed_fpv.sv b/hw/ip/prim/fpv/tb/prim_arbiter_fixed_fpv.sv
new file mode 100644
index 0000000..b21a1b2
--- /dev/null
+++ b/hw/ip/prim/fpv/tb/prim_arbiter_fixed_fpv.sv
@@ -0,0 +1,43 @@
+// Copyright lowRISC contributors.
+// Licensed under the Apache License, Version 2.0, see LICENSE for details.
+// SPDX-License-Identifier: Apache-2.0
+//
+// Testbench module for prim_arbiter_fixed.
+// Intended to be used with a formal tool.
+
+module prim_arbiter_fixed_fpv #(
+  parameter int N = 8,
+  parameter int DW = 32,
+  parameter bit EnDataPort = 1,
+  localparam int IdxW = $clog2(N)
+) (
+  input  clk_i,
+  input  rst_ni,
+  input [N-1:0] req_i,
+  input [DW-1:0]data_i [N],
+  output logic[N-1:0] gnt_o,
+  output logic[IdxW-1:0] idx_o,
+  output logic valid_o,
+  output logic[DW-1:0] data_o,
+  input  ready_i
+);
+
+
+  prim_arbiter_fixed #(
+    .N(N),
+    .DW(DW),
+    .EnDataPort(EnDataPort)
+  ) i_prim_arbiter_fixed (
+    .clk_i,
+    .rst_ni,
+    .req_i,
+    .data_i,
+    .gnt_o,
+    .idx_o,
+    .valid_o,
+    .data_o,
+    .ready_i
+  );
+
+
+endmodule : prim_arbiter_fixed_fpv