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

////                                                              ////

////  ps2_sim_top.v                                               ////

////                                                              ////

////  This file is part of the "ps2" project                      ////

////  http://www.opencores.org/cores/ps2/                         ////

////                                                              ////

////  Author(s):                                                  ////

////      - mihad@opencores.org                                   ////

////      - Miha Dolenc                                           ////

////                                                              ////

////  All additional information is avaliable in the README.txt   ////

////  file.                                                       ////

////                                                              ////

////                                                              ////

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

////                                                              ////

//// Copyright (C) 2000 Miha Dolenc, mihad@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 $

// Revision 1.4  2003/07/01 12:33:45  mihad

// Added an option to use constant values instead of RAM

// in the translation table.

//

// Revision 1.3  2003/05/28 16:26:51  simons

// Change the address width.

//

// Revision 1.2  2002/04/09 13:16:04  mihad

// Mouse interface added

//

// Revision 1.1.1.1  2002/02/18 16:16:55  mihad

// Initial project import - working

//

//

`include "ps2_defines.v"

module ps2_sim_top

(

    wb_clk_i,

    wb_rst_i,

    wb_cyc_i,

    wb_stb_i,

    wb_we_i,

    wb_sel_i,

    wb_adr_i,

    wb_dat_i,

    wb_dat_o,

    wb_ack_o,

    wb_int_o,

    ps2_kbd_clk_io,

    ps2_kbd_data_io

    `ifdef PS2_AUX

    ,

    wb_intb_o,

    ps2_aux_clk_io,

    ps2_aux_data_io

    `endif

) ;

input wb_clk_i,

      wb_rst_i,

      wb_cyc_i,

      wb_stb_i,

      wb_we_i ;

input [3:0] wb_sel_i ;

input [3:0]  wb_adr_i ;

input [31:0] wb_dat_i ;

output [31:0] wb_dat_o ;

output wb_ack_o,

       wb_int_o ;

inout  ps2_kbd_clk_io,

       ps2_kbd_data_io ;

`ifdef PS2_AUX

output wb_intb_o ;

inout  ps2_aux_clk_io ;

inout  ps2_aux_data_io ;

`endif

wire ps2_kbd_clk_pad_i  = ps2_kbd_clk_io ;

wire ps2_kbd_data_pad_i = ps2_kbd_data_io ;

wire ps2_kbd_clk_pad_o,

     ps2_kbd_data_pad_o,

     ps2_kbd_clk_pad_oe_o,

     ps2_kbd_data_pad_oe_o ;

ps2_top i_ps2_top

(

    .wb_clk_i              (wb_clk_i),

    .wb_rst_i              (wb_rst_i),

    .wb_cyc_i              (wb_cyc_i),

    .wb_stb_i              (wb_stb_i),

    .wb_we_i               (wb_we_i),

    .wb_sel_i              (wb_sel_i),

    .wb_adr_i              (wb_adr_i),

    .wb_dat_i              (wb_dat_i),

    .wb_dat_o              (wb_dat_o),

    .wb_ack_o              (wb_ack_o),

    .wb_int_o              (wb_int_o),

    .ps2_kbd_clk_pad_i     (ps2_kbd_clk_pad_i),

    .ps2_kbd_data_pad_i    (ps2_kbd_data_pad_i),

    .ps2_kbd_clk_pad_o     (ps2_kbd_clk_pad_o),

    .ps2_kbd_data_pad_o    (ps2_kbd_data_pad_o),

    .ps2_kbd_clk_pad_oe_o  (ps2_kbd_clk_pad_oe_o),

    .ps2_kbd_data_pad_oe_o (ps2_kbd_data_pad_oe_o)

    `ifdef PS2_AUX

    ,

    .wb_intb_o (wb_intb_o),

    .ps2_aux_clk_pad_i (ps2_aux_clk_io),

    .ps2_aux_data_pad_i (ps2_aux_data_io),

    .ps2_aux_clk_pad_o (ps2_aux_clk_pad_o),

    .ps2_aux_data_pad_o (ps2_aux_data_pad_o),

    .ps2_aux_clk_pad_oe_o (ps2_aux_clk_pad_oe_o),

    .ps2_aux_data_pad_oe_o (ps2_aux_data_pad_oe_o)

    `endif

) ;

assign ps2_kbd_clk_io  = ps2_kbd_clk_pad_oe_o  ? ps2_kbd_clk_pad_o  : 1'bz ;

assign ps2_kbd_data_io = ps2_kbd_data_pad_oe_o ? ps2_kbd_data_pad_o : 1'bz ;

`ifdef PS2_AUX

assign ps2_aux_clk_io  = ps2_aux_clk_pad_oe_o  ? ps2_aux_clk_pad_o  : 1'bz ;

assign ps2_aux_data_io = ps2_aux_data_pad_oe_o ? ps2_aux_data_pad_o : 1'bz ;

`endif

endmodule