[darjeeling,rtl] Add flop between keymgr_dpe and KMAC in Darjeeling

rswarbrick · rswarbrick · commit ecf731332fae · 2025-07-18T16:52:56.000+01:00
Signed-off-by: Rupert Swarbrick &lt;rswarbrick@lowrisc.org&gt;
diff --git a/hw/top_darjeeling/data/autogen/top_darjeeling.gen.hjson b/hw/top_darjeeling/data/autogen/top_darjeeling.gen.hjson
@@ -6104,12 +6104,15 @@
           domain: "0"
         }
       }
+      param_decl:
+      {
+        FlopToKmac: 1'b1
+      }
       clock_connections:
       {
         clk_i: clkmgr_aon_clocks.clk_main_secure
         clk_edn_i: clkmgr_aon_clocks.clk_main_secure
       }
-      param_decl: {}
       memory: {}
       param_list:
       [
@@ -6130,7 +6133,7 @@
             the active key slot and KMAC.
             '''
           type: bit
-          default: "0"
+          default: 1'b1
           local: "false"
           expose: "true"
           name_top: KeymgrDpeFlopToKmac
diff --git a/hw/top_darjeeling/data/top_darjeeling.hjson b/hw/top_darjeeling/data/top_darjeeling.hjson
@@ -767,6 +767,9 @@
       base_addr: {
         hart: "0x21140000",
       },
+      param_decl: {
+        FlopToKmac: "1'b1"
+      },
     },
     { name: "csrng",
       type: "csrng",
diff --git a/hw/top_darjeeling/rtl/autogen/top_darjeeling.sv b/hw/top_darjeeling/rtl/autogen/top_darjeeling.sv
@@ -85,7 +85,7 @@ module top_darjeeling #(
   parameter bit SecOtbnSkipUrndReseedAtStart = 0,
   // parameters for keymgr_dpe
   parameter bit KeymgrDpeKmacEnMasking = 1,
-  parameter bit KeymgrDpeFlopToKmac = 0,
+  parameter bit KeymgrDpeFlopToKmac = 1'b1,
   // parameters for csrng
   parameter aes_pkg::sbox_impl_e CsrngSBoxImpl = aes_pkg::SBoxImplCanright,
   // parameters for entropy_src

Original file line number	Diff line number	Diff line change
`@@ -6104,12 +6104,15 @@`
`6104`	`6104`	`domain: "0"`
`6105`	`6105`	`}`
`6106`	`6106`	`}`
	`6107`	`+ param_decl:`
	`6108`	`+ {`
	`6109`	`+ FlopToKmac: 1'b1`
	`6110`	`+ }`
`6107`	`6111`	`clock_connections:`
`6108`	`6112`	`{`
`6109`	`6113`	`clk_i: clkmgr_aon_clocks.clk_main_secure`
`6110`	`6114`	`clk_edn_i: clkmgr_aon_clocks.clk_main_secure`
`6111`	`6115`	`}`
`6112`		`- param_decl: {}`
`6113`	`6116`	`memory: {}`
`6114`	`6117`	`param_list:`
`6115`	`6118`	`[`
`@@ -6130,7 +6133,7 @@`
`6130`	`6133`	`the active key slot and KMAC.`
`6131`	`6134`	`'''`
`6132`	`6135`	`type: bit`
`6133`		`- default: "0"`
	`6136`	`+ default: 1'b1`
`6134`	`6137`	`local: "false"`
`6135`	`6138`	`expose: "true"`
`6136`	`6139`	`name_top: KeymgrDpeFlopToKmac`