Integrated new mkmif_core wrapper.

2 files changed, 33 insertions, 60 deletions

diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v
index 00e8391..533cc83 100644
--- a/src/rtl/keywrap_core.v
+++ b/src/rtl/keywrap_core.v
@@ -153,21 +153,6 @@ module keywrap_core #(parameter MEM_BITS = 11)
   reg          iteration_ctr_set;
   reg          iteration_ctr_rst;
 
-  reg [31 : 0] mkm_key [0 : 7];
-  reg          mkm_key_we;
-
-  reg [2 : 0]  mkm_word_ctr_reg;
-  reg [2 : 0]  mkm_word_ctr_new;
-  reg          mkm_word_ctr_we;
-
-  reg [7 : 0]  mkm_addr_reg;
-  reg [7 : 0]  mkm_addr_new;
-  reg          mkm_addr_we;
-
-  reg [31 : 0]  mkm_status_reg;
-  reg [31 : 0]  mkm_status_new;
-  reg           mkm_status_we;
-
   reg [5 : 0]  keywrap_core_ctrl_reg;
   reg [5 : 0]  keywrap_core_ctrl_new;
   reg          keywrap_core_ctrl_we;
@@ -190,15 +175,14 @@ module keywrap_core #(parameter MEM_BITS = 11)
   reg [63 : 0]             core_wr_data;
   wire [63 : 0]            core_rd_data;
 
-  reg            mkm_init_op;
-  reg            mkm_read_op;
-  reg            mkm_write_op;
+  reg            mkm_init;
+  reg            mkm_read;
+  reg            mkm_write;
+  reg            mkm_key_status;
   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;
+  wire [255 : 0] mkm_key;
+  wire [31 : 0]  mkm_rd_status;
+  wire [31 : 0]  mkm_wr_status;
 
 
   //----------------------------------------------------------------
@@ -239,27 +223,26 @@ module keywrap_core #(parameter MEM_BITS = 11)
               );
 
 
-  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),
+  keywrap_mkmif mkmif(
+                      .clk(clk),
+                      .reset_n(reset_n),
 
-                 .init_op(mkm_init_op),
-                 .read_op(mkm_read_op),
-                 .write_op(mkm_write_op),
+                      .mkm_spi_sclk(mkm_spi_sclk),
+                      .mkm_spi_cs_n(mkm_spi_cs_n),
+                      .mkm_spi_do(mkm_spi_do),
+                      .mkm_spi_di(mkm_spi_di),
 
-                 .ready(mkm_ready),
-                 .valid(mkm_valid),
+                      .init(mkm_init),
+                      .read(mkm_read),
+                      .write(mkm_write),
+                      .key_status(mkm_key_status),
+                      .ready(mkm_ready),
 
-                 .sclk_div(mkm_sclk_div),
-                 .addr(mkm_addr),
-                 .write_data(mkm_write_data),
-                 .read_data(mkm_read_data)
-                );
+                      .wr_status(mkm_wr_status),
+                      .rd_status(mkm_rd_status),
+                      .wr_key(key),
+                      .rd_key(mkm_key)
+                     );
 
 
   //----------------------------------------------------------------
@@ -280,17 +263,11 @@ module keywrap_core #(parameter MEM_BITS = 11)
 
       if (!reset_n)
         begin
-          for (i = 0 ; i < 8 ; i = i + 1)
-            mkm_key[i] <= 32'h0;
-
           a_reg                 <= 64'h0;
           ready_reg             <= 1'h1;
           valid_reg             <= 1'h1;
           block_ctr_reg         <= {(MEM_BITS - 1){1'h0}};
           iteration_ctr_reg     <= 3'h0;
-          mkm_word_ctr_reg      <= 3'h0;
-          mkm_addr_reg          <= 8'h0;
-          mkm_status_reg        <= 32'h0;
           keywrap_core_ctrl_reg <= CTRL_IDLE;
        end
 
diff --git a/src/rtl/keywrap_mkmif.v b/src/rtl/keywrap_mkmif.v
index 0399a04..082173b 100644
--- a/src/rtl/keywrap_mkmif.v
+++ b/src/rtl/keywrap_mkmif.v
@@ -63,17 +63,13 @@ module keywrap_mkmif (
   //----------------------------------------------------------------
   // Paramenters and local defines.
   //----------------------------------------------------------------
-  localparam CTRL_IDLE           = 4'h0;
-  localparam CTRL_INIT_WAIT      = 4'h1;
-  localparam CTRL_NEXT_WSTART    = 4'h2;
-  localparam CTRL_NEXT_USTART    = 4'h3;
-  localparam CTRL_NEXT_LOOP0     = 4'h4;
-  localparam CTRL_NEXT_LOOP      = 4'h5;
-  localparam CTRL_NEXT_WAIT      = 4'h6;
-  localparam CTRL_NEXT_UPDATE    = 4'h7;
-  localparam CTRL_NEXT_WCHECK    = 4'h8;
-  localparam CTRL_NEXT_UCHECK    = 4'h9;
-  localparam CTRL_NEXT_FINALIZE  = 4'ha;
+  localparam CTRL_IDLE             = 3'h0;
+  localparam CTRL_WAIT             = 3'h1;
+  localparam CTRL_READ_STATUS_WAIT = 3'h2;
+  localparam CTRL_READ_KEY         = 3'h3;
+  localparam CTRL_READ_KEY_WAIT    = 3'h4;
+  localparam CTRL_WRITE_KEY        = 3'h5;
+  localparam CTRL_WRITE_KEY_WAIT   = 3'h6;
 
   // Addresses for storage in the mkm
   localparam MKM_STATUS_WORD     = 16'h00;
@@ -110,8 +106,8 @@ module keywrap_mkmif (
   reg          ready_new;
   reg          ready_we;
 
-  reg [3 : 0]  keywrap_mkmif_ctrl_reg;
-  reg [3 : 0]  keywrap_mkmif_ctrl_new;
+  reg [2 : 0]  keywrap_mkmif_ctrl_reg;
+  reg [2 : 0]  keywrap_mkmif_ctrl_new;
   reg          keywrap_mkmif_ctrl_we;