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mihad |
//////////////////////////////////////////////////////////////////////
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//// ////
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//// ps2_top.v ////
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//// ////
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//// This file is part of the "ps2" project ////
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//// http://www.opencores.org/cores/ps2/ ////
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//// ////
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//// Author(s): ////
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//// - mihad@opencores.org ////
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//// - Miha Dolenc ////
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//// ////
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//// All additional information is avaliable in the README.txt ////
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//// file. ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// Copyright (C) 2000 Miha Dolenc, mihad@opencores.org ////
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//// ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//
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// CVS Revision History
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//
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// $Log: not supported by cvs2svn $
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//
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`include "ps2_defines.v"
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// synopsys translate_off
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`include "timescale.v"
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// synopsys translate_on
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module ps2_top
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(
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wb_clk_i,
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wb_rst_i,
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wb_cyc_i,
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wb_stb_i,
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wb_we_i,
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wb_sel_i,
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wb_adr_i,
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wb_dat_i,
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wb_dat_o,
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wb_ack_o,
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wb_int_o,
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ps2_kbd_clk_pad_i,
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ps2_kbd_data_pad_i,
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ps2_kbd_clk_pad_o,
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ps2_kbd_data_pad_o,
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ps2_kbd_clk_pad_oe_o,
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ps2_kbd_data_pad_oe_o
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) ;
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input wb_clk_i,
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wb_rst_i,
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wb_cyc_i,
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wb_stb_i,
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wb_we_i ;
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input [3:0] wb_sel_i ;
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input [31:0]wb_adr_i,
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wb_dat_i ;
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output [31:0] wb_dat_o ;
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output wb_ack_o ;
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output wb_int_o ;
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input ps2_kbd_clk_pad_i,
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ps2_kbd_data_pad_i ;
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output ps2_kbd_clk_pad_o,
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ps2_kbd_data_pad_o,
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ps2_kbd_clk_pad_oe_o,
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ps2_kbd_data_pad_oe_o ;
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wire rx_extended,
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rx_released,
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rx_shift_key_on,
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rx_data_ready,
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rx_translated_data_ready,
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rx_read_wb,
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rx_read_tt,
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tx_write,
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tx_write_ack,
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tx_error_no_keyboard_ack,
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ps2_ctrl_kbd_data_en_,
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ps2_ctrl_kbd_clk_en_,
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ps2_ctrl_kbd_clk,
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inhibit_kbd_if ;
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wire [7:0] rx_scan_code,
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rx_translated_scan_code,
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rx_ascii,
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tx_data ;
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assign ps2_kbd_clk_pad_o = 1'b0 ;
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assign ps2_kbd_data_pad_o = 1'b0 ;
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ps2_io_ctrl i_ps2_io_ctrl
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(
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.clk_i (wb_clk_i),
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.rst_i (wb_rst_i),
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.ps2_ctrl_kbd_clk_en_i_ (ps2_ctrl_kbd_clk_en_),
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.ps2_ctrl_kbd_data_en_i_ (ps2_ctrl_kbd_data_en_),
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.ps2_kbd_clk_pad_i (ps2_kbd_clk_pad_i),
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.ps2_kbd_clk_pad_oe_o (ps2_kbd_clk_pad_oe_o),
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.ps2_kbd_data_pad_oe_o (ps2_kbd_data_pad_oe_o),
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.inhibit_kbd_if_i (inhibit_kbd_if),
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.ps2_ctrl_kbd_clk_o (ps2_ctrl_kbd_clk)
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);
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ps2_keyboard #(`PS2_TIMER_60USEC_VALUE_PP, `PS2_TIMER_60USEC_BITS_PP, `PS2_TIMER_5USEC_VALUE_PP, `PS2_TIMER_5USEC_BITS_PP, 0)
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i_ps2_keyboard
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(
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.clk (wb_clk_i),
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.reset (wb_rst_i),
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.ps2_clk_en_o_ (ps2_ctrl_kbd_clk_en_),
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.ps2_data_en_o_ (ps2_ctrl_kbd_data_en_),
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.ps2_clk_i (ps2_ctrl_kbd_clk),
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.ps2_data_i (ps2_kbd_data_pad_i),
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.rx_extended (rx_extended),
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.rx_released (rx_released),
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.rx_shift_key_on (rx_shift_key_on),
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.rx_scan_code (rx_scan_code),
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.rx_ascii (rx_ascii),
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.rx_data_ready (rx_data_ready),
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.rx_read (rx_read_tt),
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.tx_data (tx_data),
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.tx_write (tx_write),
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.tx_write_ack_o (tx_write_ack),
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.tx_error_no_keyboard_ack (tx_error_no_keyboard_ack),
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.translate (translate)
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);
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ps2_wb_if i_ps2_wb_if
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(
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.wb_clk_i (wb_clk_i),
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.wb_rst_i (wb_rst_i),
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.wb_cyc_i (wb_cyc_i),
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.wb_stb_i (wb_stb_i),
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.wb_we_i (wb_we_i),
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.wb_sel_i (wb_sel_i),
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.wb_adr_i (wb_adr_i),
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.wb_dat_i (wb_dat_i),
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.wb_dat_o (wb_dat_o),
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.wb_ack_o (wb_ack_o),
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.wb_int_o (wb_int_o),
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.rx_scancode_i (rx_translated_scan_code),
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.rx_data_ready_i (rx_translated_data_ready),
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.rx_read_o (rx_read_wb),
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.tx_data_o (tx_data),
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.tx_write_o (tx_write),
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.tx_write_ack_i (tx_write_ack),
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.translate_o (translate),
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.ps2_clk_i (ps2_kbd_clk_pad_i),
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.inhibit_kbd_if_o (inhibit_kbd_if)
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) ;
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ps2_translation_table i_ps2_translation_table
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(
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.reset_i (wb_rst_i),
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.clock_i (wb_clk_i),
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.translate_i (translate),
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.code_i (rx_scan_code),
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.code_o (rx_translated_scan_code),
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.address_i (8'h00),
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.data_i (8'h00),
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.we_i (1'b0),
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.re_i (1'b0),
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.data_o (),
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.rx_data_ready_i (rx_data_ready),
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.rx_translated_data_ready_o (rx_translated_data_ready),
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.rx_read_i (rx_read_wb),
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.rx_read_o (rx_read_tt),
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.rx_released_i (rx_released),
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.rx_extended_i (rx_extended)
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) ;
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endmodule // ps2_top
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