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[/] [nysa_sata/] [trunk/] [rtl/] [link/] [sata_link_layer_write.v] - Diff between revs 3 and 4

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Rev 3 Rev 4
Line 81... Line 81... 
 
 
 
 
  output  reg [23:0]  in_data_addra,
 
  output  reg [23:0]  in_data_addra,
 
  output  reg [12:0]  d_count,
 
  output  reg [12:0]  d_count,
 
  output  reg [12:0]  write_count,
 
  output  reg [12:0]  write_count,
 
  output  reg [3:0]   buffer_pos
 
  output  reg [3:0]   buffer_pos
 
 
 
 
 
);
 
);
 
 
 
 
 
//Primatives
 
//Primatives
 
parameter           IDLE            = 4'h0;
 
localparam           IDLE            = 4'h0;
 
 
 
 
 
//fstate
 
//fstate
 
parameter           FIRST_DATA      = 4'h1;
 
localparam           FIRST_DATA      = 4'h1;
 
parameter           ENQUEUE         = 4'h2;
 
localparam           ENQUEUE         = 4'h2;
 
parameter           LAST_DATA       = 4'h3;
 
localparam           LAST_DATA       = 4'h3;
 
parameter           WRITE_CRC       = 4'h4;
 
localparam           WRITE_CRC       = 4'h4;
 
parameter           WAIT            = 4'h5;
 
localparam           WAIT            = 4'h5;
 
 
 
 
 
//state
 
//state
 
parameter           WRITE_START     = 4'h1;
 
localparam           WRITE_START     = 4'h1;
 
parameter           WRITE           = 4'h2;
 
localparam           WRITE           = 4'h2;
 
parameter           WRITE_END       = 4'h3;
 
localparam           WRITE_END       = 4'h3;
 
parameter           WAIT_RESPONSE   = 4'h4;
 
localparam           WAIT_RESPONSE   = 4'h4;
 
 
 
 
 
//Registers/Wires
 
//Registers/Wires
 
reg         [31:0]  post_align_data;
 
reg         [31:0]  post_align_data;
 
 
 
 
 
reg                 send_x_rdy;
 
reg                 send_x_rdy;
Line 173... Line 172... 
  .clkb           (clk                  ),
 
  .clkb           (clk                  ),
 
  .addrb          (write_count[12:0]    ),
 
  .addrb          (write_count[12:0]    ),
 
  .doutb          (rd_dout              )
 
  .doutb          (rd_dout              )
 
);
 
);
 
 
 
 
 
 
 
 
 
scrambler scr (
 
scrambler scr (
 
  .rst            (scr_rst              ),
 
  .rst            (scr_rst              ),
 
  .clk            (clk                  ),
 
  .clk            (clk                  ),
 
  .prim_scrambler (1'b0                 ),
 
  .prim_scrambler (1'b0                 ),
 
  .en             (scr_en               ),
 
  .en             (scr_en               ),
 
  .din            (scr_din              ),
 
  .din            (scr_din              ),
 
  .dout           (scr_dout             )
 
  .dout           (scr_dout             )
 
);
 
);
 
crc c (
 
 
 
 
 
crc crc_inst (
 
//reset the CRC any time we're in IDLE
 
//reset the CRC any time we're in IDLE
 
  .rst            (scr_rst              ),
 
  .rst            (scr_rst              ),
 
  .clk            (clk                  ),
 
  .clk            (clk                  ),
 
  .en             (write_strobe         ),
 
  .en             (write_strobe         ),
 
  .din            (write_data           ),
 
  .din            (write_data           ),

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