[otp_ctrl,rtl] use prim_const in otp_ctrl

The constant keys and digests in otp_ctrl were implemented with
prim_sec_anchor_bufs. The new prim_sec_anchor_const module is used
instead to create constants that are modifiable by a metal fix.

Signed-off-by: Michael Gautschi <[email protected]>

Author: gautschimi

hw/ip_templates/otp_ctrl/rtl/otp_ctrl_scrmbl.sv

@@ -109,26 +109,26 @@ module otp_ctrl_scrmbl
   digest_iv_array_t rnd_cnst_digest_iv_anchor;
 
   for (genvar i = 0; i < NumScrmblKeys; i++) begin : gen_anchor_keys
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_key_anchor_buf (
-      .in_i(RndCnstKey[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstKey[i])
+    ) u_key_anchor_const (
       .out_o(rnd_cnst_key_anchor[i])
     );
   end
 
   for (genvar i = 0; i < NumDigestSets; i++) begin : gen_anchor_digests
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_const_anchor_buf (
-      .in_i(RndCnstDigestConst[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstDigestConst[i])
+    ) u_digest_anchor_const (
       .out_o(rnd_cnst_digest_anchor[i])
     );
 
-    prim_sec_anchor_buf #(
-      .Width(ScrmblBlockWidth)
-    ) u_iv_anchor_buf (
-      .in_i(RndCnstDigestIV[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblBlockWidth),
+      .ConstVal(RndCnstDigestIV[i])
+    ) u_iv_anchor_const (
       .out_o(rnd_cnst_digest_iv_anchor[i])
     );
   end

hw/top_darjeeling/ip_autogen/otp_ctrl/rtl/otp_ctrl_scrmbl.sv

@@ -109,26 +109,26 @@ module otp_ctrl_scrmbl
   digest_iv_array_t rnd_cnst_digest_iv_anchor;
 
   for (genvar i = 0; i < NumScrmblKeys; i++) begin : gen_anchor_keys
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_key_anchor_buf (
-      .in_i(RndCnstKey[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstKey[i])
+    ) u_key_anchor_const (
       .out_o(rnd_cnst_key_anchor[i])
     );
   end
 
   for (genvar i = 0; i < NumDigestSets; i++) begin : gen_anchor_digests
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_const_anchor_buf (
-      .in_i(RndCnstDigestConst[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstDigestConst[i])
+    ) u_digest_anchor_const (
       .out_o(rnd_cnst_digest_anchor[i])
     );
 
-    prim_sec_anchor_buf #(
-      .Width(ScrmblBlockWidth)
-    ) u_iv_anchor_buf (
-      .in_i(RndCnstDigestIV[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblBlockWidth),
+      .ConstVal(RndCnstDigestIV[i])
+    ) u_iv_anchor_const (
       .out_o(rnd_cnst_digest_iv_anchor[i])
     );
   end

hw/top_earlgrey/ip_autogen/otp_ctrl/rtl/otp_ctrl_scrmbl.sv

@@ -109,26 +109,26 @@ module otp_ctrl_scrmbl
   digest_iv_array_t rnd_cnst_digest_iv_anchor;
 
   for (genvar i = 0; i < NumScrmblKeys; i++) begin : gen_anchor_keys
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_key_anchor_buf (
-      .in_i(RndCnstKey[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstKey[i])
+    ) u_key_anchor_const (
       .out_o(rnd_cnst_key_anchor[i])
     );
   end
 
   for (genvar i = 0; i < NumDigestSets; i++) begin : gen_anchor_digests
-    prim_sec_anchor_buf #(
-      .Width(ScrmblKeyWidth)
-    ) u_const_anchor_buf (
-      .in_i(RndCnstDigestConst[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblKeyWidth),
+      .ConstVal(RndCnstDigestConst[i])
+    ) u_digest_anchor_const (
       .out_o(rnd_cnst_digest_anchor[i])
     );
 
-    prim_sec_anchor_buf #(
-      .Width(ScrmblBlockWidth)
-    ) u_iv_anchor_buf (
-      .in_i(RndCnstDigestIV[i]),
+    prim_sec_anchor_const #(
+      .Width(ScrmblBlockWidth),
+      .ConstVal(RndCnstDigestIV[i])
+    ) u_iv_anchor_const (
       .out_o(rnd_cnst_digest_iv_anchor[i])
     );
   end