io_access.h

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// io_access.h for Cosmos+ OpenSSD
// Copyright (c) 2016 Hanyang University ENC Lab.
// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
//                Youngjin Jo <yjjo@enc.hanyang.ac.kr>
//                Sangjin Lee <sjlee@enc.hanyang.ac.kr>
//
// This file is part of Cosmos+ OpenSSD.
//
// Cosmos+ OpenSSD is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// Cosmos+ OpenSSD 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Cosmos+ OpenSSD; see the file COPYING.
// If not, see <http://www.gnu.org/licenses/>.
 
// Company: ENC Lab. <http://enc.hanyang.ac.kr>
// Engineer: Sangjin Lee <sjlee@enc.hanyang.ac.kr>
//
// Project Name: Cosmos+ OpenSSD
// Design Name: Cosmos+ Firmware
// Module Name: IO Access Mate
// File Name: io_access.h
//
// Version: v1.0.0
//
// Description:
//   - defines IO read/write macros
 
// Revision History:
//
// * v1.0.0
//   - First draft
 
#ifndef __IO_ACCESS_H_
#define __IO_ACCESS_H_
 
#define IO_WRITE32(addr, val) *((volatile unsigned int *)(addr)) = val
#define IO_READ32(addr)       *((volatile unsigned int *)(addr))
 
#endif //__IO_ACCESS_H_