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                                          ////

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//// 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.////

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

//---------------------------------------------------------

//-- File generated by RobustVerilog parser

//-- Version: 1.0

//-- Invoked Fri Mar 25 23:34:52 2011

//--

//-- Source file: dma_core_channels_apb_mux.v

//---------------------------------------------------------

module  dma_axi32_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