south_bridge.hh revision 5446 
1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
32#define __DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
33
34#include "base/range_map.hh"
35#include "dev/io_device.hh"
36#include "dev/x86/south_bridge/cmos.hh"
37#include "dev/x86/south_bridge/i8254.hh"
38#include "dev/x86/south_bridge/i8259.hh"
39#include "dev/x86/south_bridge/speaker.hh"
40#include "dev/x86/south_bridge/sub_device.hh"
41#include "params/SouthBridge.hh"
42
43class SouthBridge : public PioDevice
44{
45  protected:
46    AddrRangeList rangeList;
47
48    typedef range_map<Addr, X86ISA::SubDevice *> RangeMap;
49    typedef RangeMap::iterator RangeMapIt;
50    RangeMap rangeMap;
51
52
53    void addDevice(X86ISA::SubDevice &);
54
55  public:
56    // PICs
57    X86ISA::I8259 pic1;
58    X86ISA::I8259 pic2;
59
60    // I8254 Programmable Interval Timer
61    X86ISA::I8254 pit;
62
63    // CMOS apperature
64    X86ISA::Cmos cmos;
65
66    // PC speaker
67    X86ISA::Speaker speaker;
68
69  public:
70
71    void addressRanges(AddrRangeList &range_list);
72
73    Tick read(PacketPtr pkt);
74    Tick write(PacketPtr pkt);
75
76    typedef SouthBridgeParams Params;
77    SouthBridge(const Params *p);
78
79    const Params *
80    params() const
81    {
82        return dynamic_cast<const Params *>(_params);
83    }
84};
85
86#endif //__DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
87