Subversion Repositories dma_axi

/////////////////////////////////////////////////////////////////////
////                                                             ////
////  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              ////
////                                                             ////
/////////////////////////////////////////////////////////////////////
//---------------------------------------------------------
//-- File generated by RobustVerilog parser
//-- Version: 1.0
//-- Invoked Fri Mar 25 23:36:55 2011
//--
//-- Source file: dma_core_channels_apb_mux.v
//---------------------------------------------------------
 
 
 
module  dma_axi64_core0_channels_apb_mux (clk,reset,pclken,psel,penable,paddr,prdata,pslverr,ch_psel,ch_prdata,ch_pslverr);
 
   input                 clk;
   input                 reset;
 
   input          pclken;
   input          psel;
   input                 penable;
   input [10:8]          paddr;
   output [31:0]         prdata;
   output          pslverr;
 
   output [7:0]      ch_psel;
   input [32*8-1:0]      ch_prdata;
   input [7:0]          ch_pslverr;
 
 
   wire [2:0]          paddr_sel;
   reg [2:0]          paddr_sel_d;
 
 
 
   always @(posedge clk or posedge reset)
     if (reset)
       paddr_sel_d <= #1 3'b000;
     else if (psel & (~penable))
       paddr_sel_d <= #1 paddr_sel;
     else if ((~psel) & pclken) //release for empty channels after error
       paddr_sel_d <= #1 3'b000;
 
 
 
   assign          paddr_sel = paddr[10:8];
 
   prgen_demux8 #(1) mux_psel(
                  .sel(paddr_sel),
                  .x(psel),
                  .ch_x(ch_psel)
                  );
 
 
   prgen_mux8 #(32) mux_prdata(
                   .sel(paddr_sel_d),
 
                   .ch_x(ch_prdata),
                   .x(prdata)
                   );
 
 
   assign                pslverr = ch_pslverr[paddr_sel_d];
 
endmodule