[Cryptech-Commits] [core/util/keywrap] 08/37: Integrate the mkmif_core instead of the mkmif wrapper.

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paul at psgd.org pushed a commit to branch master
in repository core/util/keywrap.

commit 384b029659d9205b32b2d9707c2fa24c554d0b27
Author: Joachim Strömbergson <joachim at secworks.se>
AuthorDate: Tue Sep 25 13:44:06 2018 +0200

    Integrate the mkmif_core instead of the mkmif wrapper.
---
 src/rtl/keywrap_core.v | 55 +++++++++++++++++++++++++++++++-------------------
 1 file changed, 34 insertions(+), 21 deletions(-)

diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v
index 9f9b329..178cea1 100644
--- a/src/rtl/keywrap_core.v
+++ b/src/rtl/keywrap_core.v
@@ -112,6 +112,8 @@ module keywrap_core #(parameter MEM_BITS = 11)
   localparam MKM_STATUS_WORD      = 8'h00;
   localparam MKM_KEY_BASE_WORD    = 8'h04;
 
+  localparam DEFAULT_SCLK_DIV = 16'h0020;
+
 
   //----------------------------------------------------------------
   // Registers and memories including control signals.
@@ -182,9 +184,13 @@ module keywrap_core #(parameter MEM_BITS = 11)
   reg [63 : 0]             core_wr_data;
   wire [63 : 0]            core_rd_data;
 
-  reg            mkm_cs;
-  reg            mkm_we;
-  reg [7 : 0]    mkm_address;
+  reg            mkm_init_op;
+  reg            mkm_read_op;
+  reg            mkm_write_op;
+  wire           mkm_ready;
+  wire           mkm_valid;
+  reg [15 : 0]   mkm_sclk_div;
+  reg [15 : 0]   mkm_addr;
   reg [31 : 0]   mkm_write_data;
   wire [31 : 0]  mkm_read_data;
 
@@ -227,21 +233,27 @@ module keywrap_core #(parameter MEM_BITS = 11)
               );
 
 
-  mkmif mkm(
-            .clk(clk),
-            .reset_n(reset_n),
+  mkmif_core mkm(
+                 .clk(clk),
+                 .reset_n(reset_n),
+
+                 .spi_sclk(mkm_spi_sclk),
+                 .spi_cs_n(mkm_spi_cs_n),
+                 .spi_do(mkm_spi_do),
+                 .spi_di(mkm_spi_di),
 
-            .spi_sclk(mkm_spi_sclk),
-            .spi_cs_n(mkm_spi_cs_n),
-            .spi_do(mkm_spi_do),
-            .spi_di(mkm_spi_di),
+                 .init_op(mkm_init_op),
+                 .read_op(mkm_read_op),
+                 .write_op(mkm_write_op),
 
-            .cs(mkm_cs),
-            .we(mkm_we),
-            .address(mkm_address),
-            .write_data(mkm_write_data),
-            .read_data(mkm_read_data)
-           );
+                 .ready(mkm_ready),
+                 .valid(mkm_valid),
+
+                 .sclk_div(mkm_sclk_div),
+                 .addr(mkm_addr),
+                 .write_data(mkm_write_data),
+                 .read_data(mkm_read_data)
+                );
 
 
   //----------------------------------------------------------------
@@ -434,12 +446,13 @@ module keywrap_core #(parameter MEM_BITS = 11)
       iteration_ctr_dec     = 1'h0;
       iteration_ctr_set     = 1'h0;
       iteration_ctr_rst     = 1'h0;
-      mkm_cs                = 1'h0;
-      mkm_we                = 1'h0;
-      mkm_address           = 8'h0;
+
+      mkm_init_op           = 1'h0;
+      mkm_read_op           = 1'h0;
+      mkm_write_op          = 1'h0;
+      mkm_sclk_div          = DEFAULT_SCLK_DIV;
+      mkm_addr              = 16'h0;
       mkm_write_data        = 32'h0;
-      mkm_word_ctr_we       = 1'h0;
-      mkm_status_we         = 1'h0;
 
       keywrap_core_ctrl_new = CTRL_IDLE;
       keywrap_core_ctrl_we  = 1'h0;