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[/] [or1k/] [branches/] [mp3_stable/] [or1200/] [rtl/] [verilog/] [dc_tag.v] - Rev 161

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//////////////////////////////////////////////////////////////////////
////                                                              ////
////  OR1200's DC TAG RAMs                                        ////
////                                                              ////
////  This file is part of the OpenRISC 1200 project              ////
////  http://www.opencores.org/cores/or1k/                        ////
////                                                              ////
////  Description                                                 ////
////  Instatiation of data cache tag rams.                        ////
////                                                              ////
////  To Do:                                                      ////
////   - make it smaller and faster                               ////
////                                                              ////
////  Author(s):                                                  ////
////      - Damjan Lampret, lampret@opencores.org                 ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// 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; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// 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.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//
// CVS Revision History
//
// $Log: not supported by cvs2svn $
//
 
`include "general.h"
`define NO_UTI
 
module dc_tag(clk, addr, we, datain, dataout, tp2w, tpdw);
 
parameter dw = 19;
parameter aw = 9;
 
input [dw-1:0] datain;
output [dw-1:0] dataout;
 
input [aw-1:0] addr;
input we;
 
input clk;
 
input [`TP2W_WIDTH-1:0] tp2w;
input [31:0] tpdw;
 
wire  high, low;
 
assign high = 1;
assign low = 0;
 
`ifdef NO_UTI
 
art_hssp_512x19 dc_tag0(
   .q(dataout),
 
   .clk(clk),
   .cen(low),
   .oen(low),
   .wen(~we),
   .a(addr),
   .d(datain)
);
 
`else
 
art_hssp_512x19 dc_tag0(
   .q(dataout),
 
   .censq(),
   .oensq(),
   .wensq(),
   .asq(),
   .tq(),
 
   .clk(clk),
   .cen(low),
   .oen(low),
   .wen(~we),
   .a(addr),
   .d(datain),
   .tis(tp2w[`TP2W_DCT_TIS]),
   .tms(tp2w[`TP2W_DCT_TMS]),
   .tcen(tp2w[`TP2W_DCT_TCEN]),  //normally high
   .toen(tp2w[`TP2W_DCT_TOEN]),
   .tqoen(tp2w[`TP2W_DCT_TQOEN]),
   .twen(tp2w[`TP2W_DCT_TWEN]),
   .ta(tp2w[`TP2W_DCT_TA]),
   .td(tpdw[dw-1:0])
);
 
`endif
 
endmodule
 
 
 
 
 

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