1 files changed, 24 insertions, 14 deletions

diff --git a/src/rtl/trng_csprng.v b/src/rtl/trng_csprng.v
index 1fa6135..eda9eea 100644
--- a/src/rtl/trng_csprng.v
+++ b/src/rtl/trng_csprng.v
@@ -163,8 +163,7 @@ module trng_csprng(
   reg [3 : 0]   csprng_ctrl_new;
   reg           csprng_ctrl_we;
 
-  reg [31 : 0]  read_data_new;
-  reg [31 : 0]  read_data_reg;
+  reg [31 : 0]  tmp_read_data;
 
 
   //----------------------------------------------------------------
@@ -194,7 +193,7 @@ module trng_csprng(
   //----------------------------------------------------------------
   // Concurrent connectivity for ports etc.
   //----------------------------------------------------------------
-  assign read_data      = read_data_reg;
+  assign read_data      = tmp_read_data;
   assign error          = tmp_error;
   assign seed_ack       = seed_ack_reg;
   assign more_seed      = more_seed_reg;
@@ -268,7 +267,6 @@ module trng_csprng(
           num_rounds_reg      <= DEFAULT_NUM_ROUNDS;
           num_blocks_low_reg  <= DEFAULT_NUM_BLOCKS[31 : 0];
           num_blocks_high_reg <= DEFAULT_NUM_BLOCKS[63 : 32];
-          read_data_reg       <= 32'h00000000;
           csprng_ctrl_reg     <= CTRL_IDLE;
         end
       else
@@ -277,9 +275,6 @@ module trng_csprng(
           seed_ack_reg  <= seed_ack_new;
           seed_reg      <= seed_new;
 
-          if (cs)
-            read_data_reg <= read_data_new;
-
           if (enable_we)
             enable_reg <= enable_new;
 
@@ -335,7 +330,7 @@ module trng_csprng(
 
       rnd_ack             = 0;
 
-      read_data_new       = 32'h00000000;
+      tmp_read_data       = 32'h00000000;
       tmp_error           = 0;
 
       if (cs)
@@ -382,35 +377,50 @@ module trng_csprng(
               // Read operations.
               case (address)
                 // Read operations.
+                ADDR_NAME0:
+                  begin
+                    tmp_read_data = CORE_NAME0;
+                  end
+
+                ADDR_NAME1:
+                  begin
+                    tmp_read_data = CORE_NAME1;
+                  end
+
+                ADDR_VERSION:
+                  begin
+                    tmp_read_data = CORE_VERSION;
+                  end
+
                 ADDR_CTRL:
                   begin
-                    read_data_new = {30'h00000000, seed_reg, enable_reg};
+                    tmp_read_data = {30'h00000000, seed_reg, enable_reg};
                   end
 
                 ADDR_STATUS:
                   begin
-                    read_data_new = {30'h00000000, ready_reg, rnd_syn};
+                    tmp_read_data = {30'h00000000, ready_reg, rnd_syn};
                   end
 
                 ADDR_RND_DATA:
                   begin
-                    read_data_new = rnd_data;
+                    tmp_read_data = rnd_data;
                     rnd_ack  = 1;
                   end
 
                 ADDR_NUM_ROUNDS:
                   begin
-                    read_data_new = {27'h0000000, num_rounds_reg};
+                    tmp_read_data = {27'h0000000, num_rounds_reg};
                   end
 
                 ADDR_NUM_BLOCKS_LOW:
                   begin
-                    read_data_new = num_blocks_low_reg;
+                    tmp_read_data = num_blocks_low_reg;
                   end
 
                 ADDR_NUM_BLOCKS_HIGH:
                   begin
-                    read_data_new = num_blocks_high_reg;
+                    tmp_read_data = num_blocks_high_reg;
                   end
 
                 default: