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/*
* Copyright (c) 2010 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Copyright (c) 2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER 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.
*
* Authors: Ali Saidi
*/
/** @file
* This is a base class for AMBA devices that have to respond to Device and
* Implementer ID calls.
*/
#ifndef __DEV_ARM_AMBA_DEVICE_HH__
#define __DEV_ARM_AMBA_DEVICE_HH__
#include "dev/arm/base_gic.hh"
#include "dev/dma_device.hh"
#include "dev/io_device.hh"
#include "mem/packet.hh"
#include "mem/packet_access.hh"
#include "params/AmbaPioDevice.hh"
#include "params/AmbaDmaDevice.hh"
#include "params/AmbaIntDevice.hh"
class AmbaDevice
{
protected:
static const int AMBA_PER_ID0 = 0xFE0;
static const int AMBA_PER_ID1 = 0xFE4;
static const int AMBA_PER_ID2 = 0xFE8;
static const int AMBA_PER_ID3 = 0xFEC;
static const int AMBA_CEL_ID0 = 0xFF0;
static const int AMBA_CEL_ID1 = 0xFF4;
static const int AMBA_CEL_ID2 = 0xFF8;
static const int AMBA_CEL_ID3 = 0xFFC;
bool readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr);
};
class AmbaPioDevice : public BasicPioDevice, public AmbaDevice
{
protected:
uint64_t ambaId;
public:
typedef AmbaPioDeviceParams Params;
AmbaPioDevice(const Params *p, Addr pio_size);
};
class AmbaIntDevice : public AmbaPioDevice
{
protected:
int intNum;
BaseGic *gic;
Tick intDelay;
public:
typedef AmbaIntDeviceParams Params;
AmbaIntDevice(const Params *p, Addr pio_size);
};
class AmbaDmaDevice : public DmaDevice, public AmbaDevice
{
protected:
uint64_t ambaId;
Addr pioAddr;
Addr pioSize;
Tick pioDelay;
int intNum;
BaseGic *gic;
public:
typedef AmbaDmaDeviceParams Params;
AmbaDmaDevice(const Params *p, Addr pio_size = 0);
};
#endif //__DEV_ARM_AMBA_DEVICE_HH__
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