Subversion Repositories robust_axi_fabric

<##//////////////////////////////////////////////////////////////////

////                                                             ////

////  Author: Eyal Hochberg                                      ////

////          eyal@provartec.com                                 ////

////                                                             ////

////  Downloaded from: http://www.opencores.org                  ////

/////////////////////////////////////////////////////////////////////

////                                                             ////

//// Copyright (C) 2010 Provartec LTD                            ////

//// www.provartec.com                                           ////

//// info@provartec.com                                          ////

////                                                             ////

//// This source file may be used and distributed without        ////

//// restriction provided that this copyright statement is not   ////

//// removed from the file and that any derivative work contains ////

//// the original copyright notice and the associated disclaimer.////

////                                                             ////

//// This source file is free software; you can redistribute it  ////

//// and/or modify it under the terms of the GNU Lesser General  ////

//// Public License as published by the Free Software Foundation.////

////                                                             ////

//// This source is distributed in the hope that it will be      ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied  ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR     ////

//// PURPOSE.  See the GNU Lesser General Public License for more////

//// details. http://www.gnu.org/licenses/lgpl.html              ////

////                                                             ////

//////////////////////////////////////////////////////////////////##>

OUTFILE PREFIX_ic_registry_wr.v

ITER MX

ITER SX

LOOP MX

ITER MMX_IDX

ENDLOOP MX

module PREFIX_ic_registry_wr(PORTS);

   input                            clk;

   input                            reset;

   port                             MMX_AWGROUP_IC_AXI_CMD;

   input [ID_BITS-1:0]  MMX_WID;

   input                            MMX_WVALID;

   input                            MMX_WREADY;

   input                            MMX_WLAST;

   output [SLV_BITS-1:0] MMX_WSLV;

   output                           MMX_WOK;

   input                            SSX_AWVALID;

   input                            SSX_AWREADY;

   input [MSTR_BITS-1:0] SSX_AWMSTR;

   input                            SSX_WVALID;

   input                            SSX_WREADY;

   input                            SSX_WLAST;

   wire                             AWmatch_MMX_IDMMX_IDX;

   wire                             Wmatch_MMX_IDMMX_IDX;

   wire                             cmd_push_MMX;

   wire                             cmd_push_MMX_IDMMX_IDX;

   wire                             cmd_pop_MMX;

   wire                             cmd_pop_MMX_IDMMX_IDX;

   wire [SLV_BITS-1:0]   slave_in_MMX_IDMMX_IDX;

   wire [SLV_BITS-1:0]   slave_out_MMX_IDMMX_IDX;

   wire                             slave_empty_MMX_IDMMX_IDX;

   wire                             slave_full_MMX_IDMMX_IDX;

   wire                             cmd_push_SSX;

   wire                             cmd_pop_SSX;

   wire [MSTR_BITS-1:0] master_in_SSX;

   wire [MSTR_BITS-1:0] master_out_SSX;

   wire                             master_empty_SSX;

   wire                             master_full_SSX;

   reg [SLV_BITS-1:0]    MMX_WSLV;

   reg                              MMX_WOK;

   assign                           AWmatch_MMX_IDMMX_IDX  = MMX_AWID == ID_MMX_IDMMX_IDX;

   assign                           Wmatch_MMX_IDMMX_IDX   = MMX_WID == ID_MMX_IDMMX_IDX;

   assign                           cmd_push_MMX           = MMX_AWVALID & MMX_AWREADY;

   assign                           cmd_push_MMX_IDMMX_IDX = cmd_push_MMX & AWmatch_MMX_IDMMX_IDX;

   assign                           cmd_pop_MMX            = MMX_WVALID & MMX_WREADY & MMX_WLAST;

   assign                           cmd_pop_MMX_IDMMX_IDX  = cmd_pop_MMX & Wmatch_MMX_IDMMX_IDX;

   assign                           cmd_push_SSX           = SSX_AWVALID & SSX_AWREADY;

   assign                           cmd_pop_SSX            = SSX_WVALID & SSX_WREADY & SSX_WLAST;

   assign                           master_in_SSX          = SSX_AWMSTR;

   assign                           slave_in_MMX_IDMMX_IDX = MMX_AWSLV;

   LOOP MX

   always @(MMX_WID

            or slave_out_MMX_IDMMX_IDX

            )

     begin

        case (MMX_WID)

          ID_MMX_IDMMX_IDX : MMX_WSLV = slave_out_MMX_IDMMX_IDX;

          default : MMX_WSLV = SERR;

        endcase

     end

   always @(MMX_WSLV

            or master_out_SSX

            )

     begin

        case (MMX_WSLV)

          'dSX : MMX_WOK = master_out_SSX == 'dMX;

          default : MMX_WOK = 1'b0;

        endcase

     end

   ENDLOOP MX

LOOP MX

LOOP MMX_IDX

   prgen_fifo #(SLV_BITS, CMD_DEPTH)

   slave_fifo_MMX_IDMMX_IDX(

                    .clk(clk),

                    .reset(reset),

                    .push(cmd_push_MMX_IDMMX_IDX),

                    .pop(cmd_pop_MMX_IDMMX_IDX),

                    .din(slave_in_MMX_IDMMX_IDX),

                    .dout(slave_out_MMX_IDMMX_IDX),

                            .empty(slave_empty_MMX_IDMMX_IDX),

                            .full(slave_full_MMX_IDMMX_IDX)

                    );

   ENDLOOP MMX_IDX

   ENDLOOP MX

   LOOP SX

   prgen_fifo #(MSTR_BITS, 32)

   master_fifo_SSX(

                   .clk(clk),

                   .reset(reset),

                   .push(cmd_push_SSX),

                   .pop(cmd_pop_SSX),

                   .din(master_in_SSX),

                   .dout(master_out_SSX),

                   .empty(master_empty_SSX),

                   .full(master_full_SSX)

                   );

   ENDLOOP SX

endmodule