commit 1469f93bfd75eaeb35b87c734b2cdd01fa19ac21
author Mark Branstad <mark.branstad@wdc.com> Thu Nov 11 05:00:21 2021 -0800
committer mwbranstad <52834797+mwbranstad@users.noreply.github.com> Fri Nov 12 20:23:50 2021 -0600
tree 2f89c5aaff97f1502b85729f5175ee1ee96f9a94
parent fe2779ee5413a14815112c1e8ae78378dc07e54b

[entropy_src/rtl] repcnt health tests fail pulses

When rep count health tests fails, the signal is on solid.
To properly predict counter values, the fail signal needs to be a pulse.

Signed-off-by: Mark Branstad <mark.branstad@wdc.com>

hw/ip/entropy_src/rtl/entropy_src_repcnt_ht.sv

diff --git a/hw/ip/entropy_src/rtl/entropy_src_repcnt_ht.sv b/hw/ip/entropy_src/rtl/entropy_src_repcnt_ht.sv
index 0e6ac49..5b83e34 100644
--- a/hw/ip/entropy_src/rtl/entropy_src_repcnt_ht.sv
+++ b/hw/ip/entropy_src/rtl/entropy_src_repcnt_ht.sv
@@ -103,7 +103,7 @@
     );
 
   // the pulses will be only one clock in length
-  assign test_fail_pulse_o = active_i && (test_cnt > '0);
+  assign test_fail_pulse_o = active_i && entropy_bit_vld_i && (|rep_cnt_fail);
   assign test_cnt_o = test_cnt;
   assign count_err_o = test_cnt_err || (|rep_cntr_err);
 

hw/ip/entropy_src/rtl/entropy_src_repcnts_ht.sv

diff --git a/hw/ip/entropy_src/rtl/entropy_src_repcnts_ht.sv b/hw/ip/entropy_src/rtl/entropy_src_repcnts_ht.sv
index 0d1f29d..1f41e6a 100644
--- a/hw/ip/entropy_src/rtl/entropy_src_repcnts_ht.sv
+++ b/hw/ip/entropy_src/rtl/entropy_src_repcnts_ht.sv
@@ -100,7 +100,7 @@
 
 
   // the pulses will be only one clock in length
-  assign test_fail_pulse_o = active_i && (test_cnt > '0);
+  assign test_fail_pulse_o = active_i && entropy_bit_vld_i && (|rep_cnt_fail);
   assign test_cnt_o = test_cnt;
   assign count_err_o = test_cnt_err || (|rep_cntr_err);