Subversion Repositories ahb_master

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

////                                                             ////

////  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_addr.v

ITER MX

ITER SX

module PREFIX_ic_addr (PORTS);

   input                                      clk;

   input                                      reset;

   output [EXPR(SLV_BITS-1):0]                 MMX_ASLV;

   port                                       MMX_AGROUP_IC_AXI_A;

   output [EXPR(MSTR_BITS-1):0]        SSX_AMSTR;

   output                                     SSX_AIDOK;

   revport                                    SSX_AGROUP_IC_AXI_A;

   parameter                                  MASTER_NONE = 0;

   parameter                                  MASTERMX    = 1 << MX;

   parameter                                  ABUS_WIDTH = GONCAT(GROUP_IC_AXI_A.IN.WIDTH +);

   wire [ABUS_WIDTH-1:0]                       SSX_ABUS;

   wire [ABUS_WIDTH-1:0]                       MMX_ABUS;

   wire                                       SSX_MMX;

   wire [EXPR(SLV_BITS-1):0]                   MMX_ASLV;

   wire                                       MMX_AIDOK;

   wire [EXPR(MSTRS-1):0]                      SSX_master;

   reg [EXPR(MSTR_BITS-1):0]                   SSX_AMSTR;

   wire                                       SSX_AIDOK;

   wire [EXPR(ADDR_BITS-1):0]                 MMX_AADDR_valid;

   wire [EXPR(ID_BITS-1):0]                   MMX_AID_valid;

   assign                                     MMX_AADDR_valid = MMX_AADDR & {ADDR_BITS{MMX_AVALID}};

   assign                                     MMX_AID_valid   = MMX_AID & {ID_BITS{MMX_AVALID}};

   CREATE ic_dec.v def_ic.txt

   PREFIX_ic_dec

   PREFIX_ic_dec (

                  .MMX_AADDR(MMX_AADDR_valid),

                  .MMX_AID(MMX_AID_valid),

                  .MMX_ASLV(MMX_ASLV),

                  .MMX_AIDOK(MMX_AIDOK),

                  STOMP ,

                  );

   CREATE ic_arbiter.v def_ic.txt DEFCMD(SWAP MSTR_SLV mstr) DEFCMD(SWAP MSTRNUM MSTRS) DEFCMD(SWAP SLVNUM SLVS) DEFCMD(DEFINE DEF_PRIO)

   PREFIX_ic_mstr_arbiter

   PREFIX_ic_mstr_arbiter(

                          .clk(clk),

                          .reset(reset),

                          .MMX_slave(MMX_ASLV),

                          .SSX_master(SSX_master),

                          .M_last({MSTRS{1'b1}}),

                          .M_req({CONCAT(MMX_AVALID ,)}),

                          .M_grant({CONCAT(MMX_AREADY ,)})

                          );

   LOOP SX

     always @(/*AUTOSENSE*/SSX_master)

       begin

          case (SSX_master)

            MASTERMX : SSX_AMSTR = MX;

            default : SSX_AMSTR = MASTER_NONE;

          endcase

       end

   ENDLOOP SX

     assign                  SSX_MMX    = SSX_master[MX];

   assign                    MMX_ABUS   = {GONCAT(MMX_AGROUP_IC_AXI_A.IN ,)};

   assign                    {GONCAT(SSX_AGROUP_IC_AXI_A.IN ,)} = SSX_ABUS;

   LOOP SX

   assign                    SSX_ABUS  = CONCAT((MMX_ABUS & {ABUS_WIDTH{SSX_MMX}}) |);

   assign                    SSX_AIDOK = CONCAT((SSX_MMX & MMX_AIDOK) |);

   ENDLOOP SX

   LOOP MX

       assign            MMX_AREADY =

                                          SSX_MMX ? SSX_AREADY :

                                          ~MMX_AVALID;

   ENDLOOP MX

     endmodule