Subversion Repositories apb_slave

<##//////////////////////////////////////////////////////////////////

////                                                             ////

////  Author: Eyal Hochberg                                      ////

////          eyal@provartec.com                                 ////

////                                                             ////

////  Downloaded from: http://www.opencores.org                  ////

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

////                                                             ////

//// Copyright (C) 2010 Provartec LTD                            ////

//// www.provartec.com                                           ////

//// info@provartec.com                                          ////

////                                                             ////

//// 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.////

////                                                             ////

//// 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. http://www.gnu.org/licenses/lgpl.html              ////

////                                                             ////

//////////////////////////////////////////////////////////////////##>

VERIFY (ADDR_BITS<=24) else Memory size should not be too big to prevent maloc fail

SWAP DATA_BITS 32  ##APB is always 32 bits data

GROUP STUB_APB is {

    psel     1                      output

    penable  1                      output

    pwrite   1                      output

    paddr    ADDR_BITS              output

    pwdata   DATA_BITS              output

    prdata   DATA_BITS              input

IFDEF APB3

    pslverr  1                      input

    pready   1                      input

ENDIF APB3

}

GROUP STUB_MEM is {

    WR        1            output

    RD        1            output

    ADDR_WR   ADDR_BITS    output

    ADDR_RD   ADDR_BITS    output

    DIN       DATA_BITS    output

    BSEL      DATA_BITS/8  output

    DOUT      DATA_BITS    input

}