Subversion Repositories robust_reg

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

////                                                             ////

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

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

////                                                             ////

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

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

////                                                             ////

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

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

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

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//// the original copyright notice and the associated disclaimer.////

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//// 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.////

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//// useful, but WITHOUT ANY WARRANTY; without even the implied  ////

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//// PURPOSE.  See the GNU Lesser General Public License for more////

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

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

REQUIRE(1.3)

INCLUDE def_regs.txt

INCLUDE def_fields.txt

SWAP FFD 1 ##flip-flop delay

## Types:

## RW - read / write (output from block)

## RO - read only (input to block)

## WO - write only (output to block)

## IW - internal write (output to block - logic is added especially)

## IR - internal read (no port - logic is added especially)

ENUM    TYPE_RW  TYPE_RO  TYPE_WO  TYPE_IW  TYPE_IR

SWAP    TYPE_TYPE_RW  Read and Write

SWAP    TYPE_TYPE_RO  Read only

SWAP    TYPE_TYPE_WO  Write only

GROUP APB is {

 pclken 1 input

 psel 1 input

 penable 1 input

 paddr ADDR_BITS input

 pwrite 1 input

 pwdata 32 input

 prdata 32 output

 pslverr 1 output

 pready 1 output

}