1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2005 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 */ 42 43 44/** @file 45 * This is a base class for AMBA devices that have to respond to Device and 46 * Implementer ID calls. 47 */ 48 49#ifndef __DEV_ARM_AMBA_DEVICE_HH__ 50#define __DEV_ARM_AMBA_DEVICE_HH__ 51 52#include "dev/arm/base_gic.hh" 53#include "dev/dma_device.hh" 54#include "dev/io_device.hh" 55#include "mem/packet.hh" 56#include "mem/packet_access.hh"
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57#include "params/AmbaDevice.hh"
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57#include "params/AmbaPioDevice.hh" |
58#include "params/AmbaDmaDevice.hh" 59#include "params/AmbaIntDevice.hh" 60
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61namespace AmbaDev {
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61
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63const int AMBA_PER_ID0 = 0xFE0;
64const int AMBA_PER_ID1 = 0xFE4;
65const int AMBA_PER_ID2 = 0xFE8;
66const int AMBA_PER_ID3 = 0xFEC;
67const int AMBA_CEL_ID0 = 0xFF0;
68const int AMBA_CEL_ID1 = 0xFF4;
69const int AMBA_CEL_ID2 = 0xFF8;
70const int AMBA_CEL_ID3 = 0xFFC;
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62class AmbaDevice 63{ 64 protected: 65 static const int AMBA_PER_ID0 = 0xFE0; 66 static const int AMBA_PER_ID1 = 0xFE4; 67 static const int AMBA_PER_ID2 = 0xFE8; 68 static const int AMBA_PER_ID3 = 0xFEC; 69 static const int AMBA_CEL_ID0 = 0xFF0; 70 static const int AMBA_CEL_ID1 = 0xFF4; 71 static const int AMBA_CEL_ID2 = 0xFF8; 72 static const int AMBA_CEL_ID3 = 0xFFC; |
73
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72bool readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr);
73}
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74 bool readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr); 75}; |
76
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75class AmbaDevice : public BasicPioDevice
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77 78class AmbaPioDevice : public BasicPioDevice, public AmbaDevice |
79{ 80 protected: 81 uint64_t ambaId; 82 83 public:
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81 typedef AmbaDeviceParams Params;
82 AmbaDevice(const Params *p);
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84 typedef AmbaPioDeviceParams Params; 85 AmbaPioDevice(const Params *p); |
86}; 87
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85class AmbaIntDevice : public AmbaDevice
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88class AmbaIntDevice : public AmbaPioDevice |
89{ 90 protected: 91 int intNum; 92 BaseGic *gic; 93 Tick intDelay; 94 95 public: 96 typedef AmbaIntDeviceParams Params; 97 AmbaIntDevice(const Params *p); 98}; 99
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97class AmbaDmaDevice : public DmaDevice
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100class AmbaDmaDevice : public DmaDevice, public AmbaDevice |
101{ 102 protected: 103 uint64_t ambaId; 104 Addr pioAddr; 105 Addr pioSize; 106 Tick pioDelay; 107 int intNum; 108 BaseGic *gic; 109 110 public: 111 typedef AmbaDmaDeviceParams Params; 112 AmbaDmaDevice(const Params *p); 113}; 114 115 116#endif //__DEV_ARM_AMBA_DEVICE_HH__
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