[csrng/rtl] prevent x's from entering prim_arbiter_ppc_acmd
Changing the data bus mux that feeds the app cmd arbiter to send zeros instead of x's when the mop signal is active.
Signed-off-by: Mark Branstad <mark.branstad@wdc.com>
diff --git a/hw/ip/csrng/rtl/csrng_cmd_stage.sv b/hw/ip/csrng/rtl/csrng_cmd_stage.sv
index 1d074f0..d899b0e 100644
--- a/hw/ip/csrng/rtl/csrng_cmd_stage.sv
+++ b/hw/ip/csrng/rtl/csrng_cmd_stage.sv
@@ -139,7 +139,8 @@
assign cmd_arb_bus_o =
cmd_gen_inc_req ? {16'b0,cmd_stage_shid_i,cmd_gen_cmd_q} :
cmd_gen_1st_req ? {16'b0,cmd_stage_shid_i,sfifo_cmd_rdata[11:0]} : // pad,id,f,clen,cmd
- sfifo_cmd_rdata;
+ cmd_arb_mop_o ? sfifo_cmd_rdata :
+ '0;
assign cmd_stage_rdy_o = !sfifo_cmd_full;
