wb_conmax_top.v

这是一个MIPS架构的开发的CPU软核OR2000

/////////////////////////////////////////////////////////////////////
////                                                             ////
////  WISHBONE Connection Matrix Top Level                       ////
////                                                             ////
////                                                             ////
////  Author: Rudolf Usselmann                                   ////
////          [e-mail]                                      ////
////                                                             ////
////                                                             ////
////  Downloaded from: http://www.opencores.org/cores/wb_conmax/ ////
////                                                             ////
/////////////////////////////////////////////////////////////////////
////                                                             ////
//// Copyright (C) 2000-2002 Rudolf Usselmann                    ////
////                         www.asics.ws                        ////
////                         [e-mail]                       ////
////                                                             ////
//// 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 SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY     ////
//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   ////
//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS   ////
//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR      ////
//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,         ////
//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    ////
//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE   ////
//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR        ////
//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF  ////
//// LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT  ////
//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT  ////
//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE         ////
//// POSSIBILITY OF SUCH DAMAGE.                                 ////
////                                                             ////
/////////////////////////////////////////////////////////////////////

//  CVS Log
//
//  $Id: wb_conmax_top.v,v 1.1.1.1 2008/01/13 13:20:41 ameziti Exp $
//
//  $Date: 2008/01/13 13:20:41 $
//  $Revision: 1.1.1.1 $
//  $Author: ameziti $
//  $Locker:  $
//  $State: Exp $
//
// Change History:
//               $Log: wb_conmax_top.v,v $
//               Revision 1.1.1.1  2008/01/13 13:20:41  ameziti
//               First Import the project on the opencores.org CVS server
//
//               Revision 1.2  2002/10/03 05:40:07  rudi
//               Fixed a minor bug in parameter passing, updated headers and specification.
//
//               Revision 1.1.1.1  2001/10/19 11:01:38  rudi
//               WISHBONE CONMAX IP Core
//
//
//
//
//

`include "wb_conmax_defines.v"

module wb_conmax_top(
	clk_i, rst_i,

	// Master 0 Interface
	m0_data_i, m0_data_o, m0_addr_i, m0_sel_i, m0_we_i, m0_cyc_i,
	m0_stb_i, m0_ack_o, m0_err_o, m0_rty_o,

	// Master 1 Interface
	m1_data_i, m1_data_o, m1_addr_i, m1_sel_i, m1_we_i, m1_cyc_i,
	m1_stb_i, m1_ack_o, m1_err_o, m1_rty_o,

	// Master 2 Interface
	m2_data_i, m2_data_o, m2_addr_i, m2_sel_i, m2_we_i, m2_cyc_i,
	m2_stb_i, m2_ack_o, m2_err_o, m2_rty_o,

	// Master 3 Interface
	m3_data_i, m3_data_o, m3_addr_i, m3_sel_i, m3_we_i, m3_cyc_i,
	m3_stb_i, m3_ack_o, m3_err_o, m3_rty_o,

	// Master 4 Interface
	m4_data_i, m4_data_o, m4_addr_i, m4_sel_i, m4_we_i, m4_cyc_i,
	m4_stb_i, m4_ack_o, m4_err_o, m4_rty_o,

	// Master 5 Interface
	m5_data_i, m5_data_o, m5_addr_i, m5_sel_i, m5_we_i, m5_cyc_i,
	m5_stb_i, m5_ack_o, m5_err_o, m5_rty_o,

	// Master 6 Interface
	m6_data_i, m6_data_o, m6_addr_i, m6_sel_i, m6_we_i, m6_cyc_i,
	m6_stb_i, m6_ack_o, m6_err_o, m6_rty_o,

	// Master 7 Interface
	m7_data_i, m7_data_o, m7_addr_i, m7_sel_i, m7_we_i, m7_cyc_i,
	m7_stb_i, m7_ack_o, m7_err_o, m7_rty_o,

	// Slave 0 Interface
	s0_data_i, s0_data_o, s0_addr_o, s0_sel_o, s0_we_o, s0_cyc_o,
	s0_stb_o, s0_ack_i, s0_err_i, s0_rty_i,

	// Slave 1 Interface
	s1_data_i, s1_data_o, s1_addr_o, s1_sel_o, s1_we_o, s1_cyc_o,
	s1_stb_o, s1_ack_i, s1_err_i, s1_rty_i,

	// Slave 2 Interface
	s2_data_i, s2_data_o, s2_addr_o, s2_sel_o, s2_we_o, s2_cyc_o,
	s2_stb_o, s2_ack_i, s2_err_i, s2_rty_i,

	// Slave 3 Interface
	s3_data_i, s3_data_o, s3_addr_o, s3_sel_o, s3_we_o, s3_cyc_o,
	s3_stb_o, s3_ack_i, s3_err_i, s3_rty_i,

	// Slave 4 Interface
	s4_data_i, s4_data_o, s4_addr_o, s4_sel_o, s4_we_o, s4_cyc_o,
	s4_stb_o, s4_ack_i, s4_err_i, s4_rty_i,

	// Slave 5 Interface
	s5_data_i, s5_data_o, s5_addr_o, s5_sel_o, s5_we_o, s5_cyc_o,
	s5_stb_o, s5_ack_i, s5_err_i, s5_rty_i,

	// Slave 6 Interface
	s6_data_i, s6_data_o, s6_addr_o, s6_sel_o, s6_we_o, s6_cyc_o,
	s6_stb_o, s6_ack_i, s6_err_i, s6_rty_i,

	// Slave 7 Interface
	s7_data_i, s7_data_o, s7_addr_o, s7_sel_o, s7_we_o, s7_cyc_o,
	s7_stb_o, s7_ack_i, s7_err_i, s7_rty_i,

	// Slave 8 Interface
	s8_data_i, s8_data_o, s8_addr_o, s8_sel_o, s8_we_o, s8_cyc_o,
	s8_stb_o, s8_ack_i, s8_err_i, s8_rty_i,

	// Slave 9 Interface
	s9_data_i, s9_data_o, s9_addr_o, s9_sel_o, s9_we_o, s9_cyc_o,
	s9_stb_o, s9_ack_i, s9_err_i, s9_rty_i,

	// Slave 10 Interface
	s10_data_i, s10_data_o, s10_addr_o, s10_sel_o, s10_we_o, s10_cyc_o,
	s10_stb_o, s10_ack_i, s10_err_i, s10_rty_i,

	// Slave 11 Interface
	s11_data_i, s11_data_o, s11_addr_o, s11_sel_o, s11_we_o, s11_cyc_o,
	s11_stb_o, s11_ack_i, s11_err_i, s11_rty_i,

	// Slave 12 Interface
	s12_data_i, s12_data_o, s12_addr_o, s12_sel_o, s12_we_o, s12_cyc_o,
	s12_stb_o, s12_ack_i, s12_err_i, s12_rty_i,

	// Slave 13 Interface
	s13_data_i, s13_data_o, s13_addr_o, s13_sel_o, s13_we_o, s13_cyc_o,
	s13_stb_o, s13_ack_i, s13_err_i, s13_rty_i,

	// Slave 14 Interface
	s14_data_i, s14_data_o, s14_addr_o, s14_sel_o, s14_we_o, s14_cyc_o,
	s14_stb_o, s14_ack_i, s14_err_i, s14_rty_i,

	// Slave 15 Interface
	s15_data_i, s15_data_o, s15_addr_o, s15_sel_o, s15_we_o, s15_cyc_o,
	s15_stb_o, s15_ack_i, s15_err_i, s15_rty_i
	);

////////////////////////////////////////////////////////////////////
//
// Module Parameters
//

parameter		dw	 = 32;		// Data bus Width
parameter		aw	 = 32;		// Address bus Width
parameter	[3:0]	rf_addr  = 4'hf;
parameter	[1:0]	pri_sel0 = 2'd2;
parameter	[1:0]	pri_sel1 = 2'd2;
parameter	[1:0]	pri_sel2 = 2'd2;
parameter	[1:0]	pri_sel3 = 2'd2;
parameter	[1:0]	pri_sel4 = 2'd2;
parameter	[1:0]	pri_sel5 = 2'd2;
parameter	[1:0]	pri_sel6 = 2'd2;
parameter	[1:0]	pri_sel7 = 2'd2;
parameter	[1:0]	pri_sel8 = 2'd2;
parameter	[1:0]	pri_sel9 = 2'd2;
parameter	[1:0]	pri_sel10 = 2'd2;
parameter	[1:0]	pri_sel11 = 2'd2;
parameter	[1:0]	pri_sel12 = 2'd2;
parameter	[1:0]	pri_sel13 = 2'd2;
parameter	[1:0]	pri_sel14 = 2'd2;
parameter	[1:0]	pri_sel15 = 2'd2;

parameter		sw = dw / 8;	// Number of Select Lines

////////////////////////////////////////////////////////////////////
//
// Module IOs
//

input		clk_i, rst_i;

// Master 0 Interface
input	[dw-1:0]	m0_data_i;
output	[dw-1:0]	m0_data_o;
input	[aw-1:0]	m0_addr_i;
input	[sw-1:0]	m0_sel_i;
input			m0_we_i;
input			m0_cyc_i;
input			m0_stb_i;
output			m0_ack_o;
output			m0_err_o;
output			m0_rty_o;

// Master 1 Interface
input	[dw-1:0]	m1_data_i;
output	[dw-1:0]	m1_data_o;
input	[aw-1:0]	m1_addr_i;
input	[sw-1:0]	m1_sel_i;
input			m1_we_i;
input			m1_cyc_i;
input			m1_stb_i;
output			m1_ack_o;
output			m1_err_o;
output			m1_rty_o;

// Master 2 Interface
input	[dw-1:0]	m2_data_i;
output	[dw-1:0]	m2_data_o;
input	[aw-1:0]	m2_addr_i;
input	[sw-1:0]	m2_sel_i;
input			m2_we_i;
input			m2_cyc_i;
input			m2_stb_i;
output			m2_ack_o;
output			m2_err_o;
output			m2_rty_o;

// Master 3 Interface
input	[dw-1:0]	m3_data_i;
output	[dw-1:0]	m3_data_o;
input	[aw-1:0]	m3_addr_i;
input	[sw-1:0]	m3_sel_i;
input			m3_we_i;
input			m3_cyc_i;
input			m3_stb_i;
output			m3_ack_o;
output			m3_err_o;
output			m3_rty_o;

// Master 4 Interface
input	[dw-1:0]	m4_data_i;
output	[dw-1:0]	m4_data_o;
input	[aw-1:0]	m4_addr_i;
input	[sw-1:0]	m4_sel_i;
input			m4_we_i;
input			m4_cyc_i;
input			m4_stb_i;
output			m4_ack_o;
output			m4_err_o;
output			m4_rty_o;

// Master 5 Interface
input	[dw-1:0]	m5_data_i;
output	[dw-1:0]	m5_data_o;
input	[aw-1:0]	m5_addr_i;
input	[sw-1:0]	m5_sel_i;
input			m5_we_i;
input			m5_cyc_i;
input			m5_stb_i;
output			m5_ack_o;
output			m5_err_o;
output			m5_rty_o;

// Master 6 Interface
input	[dw-1:0]	m6_data_i;
output	[dw-1:0]	m6_data_o;
input	[aw-1:0]	m6_addr_i;
input	[sw-1:0]	m6_sel_i;
input			m6_we_i;
input			m6_cyc_i;
input			m6_stb_i;
output			m6_ack_o;
output			m6_err_o;
output			m6_rty_o;

// Master 7 Interface
input	[dw-1:0]	m7_data_i;
output	[dw-1:0]	m7_data_o;
input	[aw-1:0]	m7_addr_i;
input	[sw-1:0]	m7_sel_i;
input			m7_we_i;
input			m7_cyc_i;
input			m7_stb_i;
output			m7_ack_o;
output			m7_err_o;
output			m7_rty_o;

// Slave 0 Interface
input	[dw-1:0]	s0_data_i;
output	[dw-1:0]	s0_data_o;
output	[aw-1:0]	s0_addr_o;
output	[sw-1:0]	s0_sel_o;
output			s0_we_o;
output			s0_cyc_o;
output			s0_stb_o;
input			s0_ack_i;
input			s0_err_i;
input			s0_rty_i;

// Slave 1 Interface
input	[dw-1:0]	s1_data_i;
output	[dw-1:0]	s1_data_o;
output	[aw-1:0]	s1_addr_o;
output	[sw-1:0]	s1_sel_o;
output			s1_we_o;
output			s1_cyc_o;
output			s1_stb_o;
input			s1_ack_i;
input			s1_err_i;
input			s1_rty_i;

// Slave 2 Interface
input	[dw-1:0]	s2_data_i;
output	[dw-1:0]	s2_data_o;
output	[aw-1:0]	s2_addr_o;
output	[sw-1:0]	s2_sel_o;
output			s2_we_o;
output			s2_cyc_o;
output			s2_stb_o;
input			s2_ack_i;
input			s2_err_i;
input			s2_rty_i;

// Slave 3 Interface
input	[dw-1:0]	s3_data_i;
output	[dw-1:0]	s3_data_o;
output	[aw-1:0]	s3_addr_o;
output	[sw-1:0]	s3_sel_o;
output			s3_we_o;
output			s3_cyc_o;
output			s3_stb_o;
input			s3_ack_i;
input			s3_err_i;
input			s3_rty_i;

// Slave 4 Interface
input	[dw-1:0]	s4_data_i;
output	[dw-1:0]	s4_data_o;
output	[aw-1:0]	s4_addr_o;
output	[sw-1:0]	s4_sel_o;
output			s4_we_o;
output			s4_cyc_o;
output			s4_stb_o;
input			s4_ack_i;
input			s4_err_i;
input			s4_rty_i;

// Slave 5 Interface
input	[dw-1:0]	s5_data_i;
output	[dw-1:0]	s5_data_o;
output	[aw-1:0]	s5_addr_o;
output	[sw-1:0]	s5_sel_o;
output			s5_we_o;
output			s5_cyc_o;
output			s5_stb_o;
input			s5_ack_i;
input			s5_err_i;
input			s5_rty_i;

// Slave 6 Interface
input	[dw-1:0]	s6_data_i;
output	[dw-1:0]	s6_data_o;
output	[aw-1:0]	s6_addr_o;
output	[sw-1:0]	s6_sel_o;
output			s6_we_o;
output			s6_cyc_o;
output			s6_stb_o;
input			s6_ack_i;
input			s6_err_i;
input			s6_rty_i;

// Slave 7 Interface
input	[dw-1:0]	s7_data_i;
output	[dw-1:0]	s7_data_o;
output	[aw-1:0]	s7_addr_o;
output	[sw-1:0]	s7_sel_o;
output			s7_we_o;
output			s7_cyc_o;
output			s7_stb_o;
input			s7_ack_i;
input			s7_err_i;
input			s7_rty_i;

// Slave 8 Interface
input	[dw-1:0]	s8_data_i;
output	[dw-1:0]	s8_data_o;
output	[aw-1:0]	s8_addr_o;
output	[sw-1:0]	s8_sel_o;
output			s8_we_o;
output			s8_cyc_o;
output			s8_stb_o;
input			s8_ack_i;
input			s8_err_i;
input			s8_rty_i;

// Slave 9 Interface
input	[dw-1:0]	s9_data_i;
output	[dw-1:0]	s9_data_o;
output	[aw-1:0]	s9_addr_o;
output	[sw-1:0]	s9_sel_o;
output			s9_we_o;
output			s9_cyc_o;
output			s9_stb_o;
input			s9_ack_i;
input			s9_err_i;
input			s9_rty_i;

// Slave 10 Interface
input	[dw-1:0]	s10_data_i;
output	[dw-1:0]	s10_data_o;
output	[aw-1:0]	s10_addr_o;
output	[sw-1:0]	s10_sel_o;
output			s10_we_o;
output			s10_cyc_o;
output			s10_stb_o;
input			s10_ack_i;
input			s10_err_i;
input			s10_rty_i;

// Slave 11 Interface
input	[dw-1:0]	s11_data_i;
output	[dw-1:0]	s11_data_o;
output	[aw-1:0]	s11_addr_o;
output	[sw-1:0]	s11_sel_o;
output			s11_we_o;
output			s11_cyc_o;
output			s11_stb_o;
input			s11_ack_i;
input			s11_err_i;
input			s11_rty_i;

// Slave 12 Interface
input	[dw-1:0]	s12_data_i;
output	[dw-1:0]	s12_data_o;
output	[aw-1:0]	s12_addr_o;
output	[sw-1:0]	s12_sel_o;
output			s12_we_o;
output			s12_cyc_o;
output			s12_stb_o;
input			s12_ack_i;
input			s12_err_i;
input			s12_rty_i;

// Slave 13 Interface
input	[dw-1:0]	s13_data_i;
output	[dw-1:0]	s13_data_o;
output	[aw-1:0]	s13_addr_o;
output	[sw-1:0]	s13_sel_o;
output			s13_we_o;
output			s13_cyc_o;
output			s13_stb_o;
input			s13_ack_i;
input			s13_err_i;
input			s13_rty_i;

// Slave 14 Interface
input	[dw-1:0]	s14_data_i;
output	[dw-1:0]	s14_data_o;
output	[aw-1:0]	s14_addr_o;
output	[sw-1:0]	s14_sel_o;
output			s14_we_o;
output			s14_cyc_o;
output			s14_stb_o;
input			s14_ack_i;
input			s14_err_i;
input			s14_rty_i;

// Slave 15 Interface
input	[dw-1:0]	s15_data_i;
output	[dw-1:0]	s15_data_o;
output	[aw-1:0]	s15_addr_o;
output	[sw-1:0]	s15_sel_o;
output			s15_we_o;
output			s15_cyc_o;
output			s15_stb_o;
input			s15_ack_i;
input			s15_err_i;
input			s15_rty_i;

////////////////////////////////////////////////////////////////////
//
// Local wires
//

wire	[dw-1:0]	i_s15_data_i;
wire	[dw-1:0]	i_s15_data_o;
wire	[aw-1:0]	i_s15_addr_o;
wire	[sw-1:0]	i_s15_sel_o;
wire			i_s15_we_o;
wire			i_s15_cyc_o;
wire			i_s15_stb_o;
wire			i_s15_ack_i;
wire			i_s15_err_i;
wire			i_s15_rty_i;

wire	[dw-1:0]	m0s0_data_i;
wire	[dw-1:0]	m0s0_data_o;
wire	[aw-1:0]	m0s0_addr;
wire	[sw-1:0]	m0s0_sel;
wire			m0s0_we;
wire			m0s0_cyc;
wire			m0s0_stb;
wire			m0s0_ack;
wire			m0s0_err;
wire			m0s0_rty;
wire	[dw-1:0]	m0s1_data_i;
wire	[dw-1:0]	m0s1_data_o;
wire	[aw-1:0]	m0s1_addr;
wire	[sw-1:0]	m0s1_sel;
wire			m0s1_we;
wire			m0s1_cyc;
wire			m0s1_stb;
wire			m0s1_ack;
wire			m0s1_err;
wire			m0s1_rty;
wire	[dw-1:0]	m0s2_data_i;
wire	[dw-1:0]	m0s2_data_o;
wire	[aw-1:0]	m0s2_addr;
wire	[sw-1:0]	m0s2_sel;
wire			m0s2_we;
wire			m0s2_cyc;
wire			m0s2_stb;
wire			m0s2_ack;
wire			m0s2_err;
wire			m0s2_rty;
wire	[dw-1:0]	m0s3_data_i;
wire	[dw-1:0]	m0s3_data_o;
wire	[aw-1:0]	m0s3_addr;
wire	[sw-1:0]	m0s3_sel;
wire			m0s3_we;
wire			m0s3_cyc;
wire			m0s3_stb;
wire			m0s3_ack;
wire			m0s3_err;
wire			m0s3_rty;
wire	[dw-1:0]	m0s4_data_i;
wire	[dw-1:0]	m0s4_data_o;
wire	[aw-1:0]	m0s4_addr;
wire	[sw-1:0]	m0s4_sel;
wire			m0s4_we;
wire			m0s4_cyc;
wire			m0s4_stb;
wire			m0s4_ack;
wire			m0s4_err;