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[/] [robust_axi2apb/] [trunk/] [src/] [base/] [axi2apb_rd.v] - Diff between revs 2 and 4

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<##//////////////////////////////////////////////////////////////////
 
////                                                             ////
 
////  Author: Eyal Hochberg                                      ////
 
////          eyal@provartec.com                                 ////
 
////                                                             ////
 
////  Downloaded from: http://www.opencores.org                  ////
 
/////////////////////////////////////////////////////////////////////
 
////                                                             ////
 
//// Copyright (C) 2010 Provartec LTD                            ////
 
//// www.provartec.com                                           ////
 
//// info@provartec.com                                          ////
 
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//// This source file may be used and distributed without        ////
 
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//// the original copyright notice and the associated disclaimer.////
 
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//// 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.////
 
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//// useful, but WITHOUT ANY WARRANTY; without even the implied  ////
 
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//// PURPOSE.  See the GNU Lesser General Public License for more////
 
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//////////////////////////////////////////////////////////////////##>
 
 
INCLUDE def_axi2apb.txt
INCLUDE def_axi2apb.txt
OUTFILE PREFIX_axi2apb_rd.v
OUTFILE PREFIX_axi2apb_rd.v
 
 
module  PREFIX_axi2apb_rd (PORTS);
module  PREFIX_axi2apb_rd (PORTS);
 
 
   input                          clk;
   input                          clk;
   input                          reset;
   input                          reset;
 
 
   input                  GROUP_APB3;
   input                  GROUP_APB3;
 
 
   input                  cmd_err;
   input                  cmd_err;
   input [ID_BITS-1:0]    cmd_id;
   input [ID_BITS-1:0]    cmd_id;
   output                 finish_rd;
   output                 finish_rd;
 
 
   port                   RGROUP_APB_AXI_R;
   port                   RGROUP_APB_AXI_R;
 
 
 
 
   parameter              RESP_OK     = 2'b00;
   parameter              RESP_OK     = 2'b00;
   parameter              RESP_SLVERR = 2'b10;
   parameter              RESP_SLVERR = 2'b10;
   parameter              RESP_DECERR = 2'b11;
   parameter              RESP_DECERR = 2'b11;
 
 
   reg                    RGROUP_APB_AXI_R.OUT;
   reg                    RGROUP_APB_AXI_R.OUT;
 
 
 
 
   assign                 finish_rd = RVALID & RREADY & RLAST;
   assign                 finish_rd = RVALID & RREADY & RLAST;
 
 
   always @(posedge clk or posedge reset)
   always @(posedge clk or posedge reset)
     if (reset)
     if (reset)
           begin
           begin
         RGROUP_APB_AXI_R.OUT <= #FFD {GROUP_APB_AXI_R.OUT.WIDTH{1'b0}};
         RGROUP_APB_AXI_R.OUT <= #FFD {GROUP_APB_AXI_R.OUT.WIDTH{1'b0}};
           end
           end
         else if (finish_rd)
         else if (finish_rd)
           begin
           begin
         RGROUP_APB_AXI_R.OUT <= #FFD {GROUP_APB_AXI_R.OUT.WIDTH{1'b0}};
         RGROUP_APB_AXI_R.OUT <= #FFD {GROUP_APB_AXI_R.OUT.WIDTH{1'b0}};
           end
           end
         else if (psel & penable & (~pwrite) & pready)
         else if (psel & penable & (~pwrite) & pready)
           begin
           begin
             RID    <= #FFD cmd_id;
             RID    <= #FFD cmd_id;
                 RDATA  <= #FFD prdata;
                 RDATA  <= #FFD prdata;
                 RRESP  <= #FFD cmd_err ? RESP_SLVERR : pslverr ? RESP_DECERR : RESP_OK;
                 RRESP  <= #FFD cmd_err ? RESP_SLVERR : pslverr ? RESP_DECERR : RESP_OK;
                 RLAST  <= #FFD 1'b1;
                 RLAST  <= #FFD 1'b1;
                 RVALID <= #FFD 1'b1;
                 RVALID <= #FFD 1'b1;
           end
           end
 
 
endmodule
endmodule
 
 
 
 
 
 

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