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