[csrng] Temporarily hack-in disable handling

will be fixed by official PR separately Signed-off-by: Timothy Chen <[email protected]>
lowRISC · Aug 25, 2022 · f4df12f · f4df12f
1 parent 82105ce
commit f4df12f
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/hw/ip/csrng/rtl/csrng_cmd_stage.sv b/hw/ip/csrng/rtl/csrng_cmd_stage.sv
@@ -397,7 +397,13 @@ module csrng_cmd_stage import csrng_pkg::*; #(
  cmd_stage_sm_err_o = 1'b1;
  end
  default: state_d = Error;
- endcase
+ endcase // unique case (state_q)
+
+ // if disable, cycle back to Idle
+ if (!cs_enable_i && state_q != Idle) begin
+ state_d = Idle;
+ end
+
  end
 
  //---------------------------------------------------------