south_bridge.cc revision 5390
15703SN/A/* 25703SN/A * Copyright (c) 2004-2005 The Regents of The University of Michigan 310585Sandreas.hansson@arm.com * All rights reserved. 410585Sandreas.hansson@arm.com * 510585Sandreas.hansson@arm.com * Redistribution and use in source and binary forms, with or without 65703SN/A * modification, are permitted provided that the following conditions are 710585Sandreas.hansson@arm.com * met: redistributions of source code must retain the above copyright 810585Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer; 910585Sandreas.hansson@arm.com * redistributions in binary form must reproduce the above copyright 1010585Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer in the 1110585Sandreas.hansson@arm.com * documentation and/or other materials provided with the distribution; 1210585Sandreas.hansson@arm.com * neither the name of the copyright holders nor the names of its 1310585Sandreas.hansson@arm.com * contributors may be used to endorse or promote products derived from 1410036SAli.Saidi@ARM.com * this software without specific prior written permission. 1510036SAli.Saidi@ARM.com * 1610585Sandreas.hansson@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1710585Sandreas.hansson@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1810585Sandreas.hansson@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1910585Sandreas.hansson@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2010576Sandreas.hansson@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2110585Sandreas.hansson@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2210585Sandreas.hansson@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2310585Sandreas.hansson@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2410585Sandreas.hansson@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2510585Sandreas.hansson@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2610585Sandreas.hansson@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2710585Sandreas.hansson@arm.com * 2810585Sandreas.hansson@arm.com * Authors: Gabe Black 2910585Sandreas.hansson@arm.com */ 3010585Sandreas.hansson@arm.com 3110576Sandreas.hansson@arm.com#include "arch/x86/x86_traits.hh" 3210585Sandreas.hansson@arm.com#include "base/range.hh" 3310585Sandreas.hansson@arm.com#include "dev/x86/south_bridge/south_bridge.hh" 3410585Sandreas.hansson@arm.com 3510585Sandreas.hansson@arm.comusing namespace X86ISA; 3610585Sandreas.hansson@arm.com 3710585Sandreas.hansson@arm.comvoid 3810585Sandreas.hansson@arm.comSouthBridge::addDevice(X86ISA::SubDevice & sub) 3910585Sandreas.hansson@arm.com{ 4010585Sandreas.hansson@arm.com rangeList.push_back(sub.addrRange); 4110585Sandreas.hansson@arm.com rangeMap.insert(sub.addrRange, &sub); 4210585Sandreas.hansson@arm.com} 4310585Sandreas.hansson@arm.com 4410585Sandreas.hansson@arm.comvoid 4510585Sandreas.hansson@arm.comSouthBridge::addressRanges(AddrRangeList &range_list) 4610585Sandreas.hansson@arm.com{ 4710585Sandreas.hansson@arm.com range_list = rangeList; 4810585Sandreas.hansson@arm.com} 4910585Sandreas.hansson@arm.com 5010585Sandreas.hansson@arm.comTick 5110585Sandreas.hansson@arm.comSouthBridge::read(PacketPtr pkt) 5210585Sandreas.hansson@arm.com{ 5310585Sandreas.hansson@arm.com RangeMapIt sub = 5410585Sandreas.hansson@arm.com rangeMap.find(RangeSize(pkt->getAddr(), 1)); 5510585Sandreas.hansson@arm.com assert(sub != rangeMap.end()); 5610585Sandreas.hansson@arm.com return sub->second->read(pkt); 5710585Sandreas.hansson@arm.com} 5810585Sandreas.hansson@arm.com 5910585Sandreas.hansson@arm.comTick 6010585Sandreas.hansson@arm.comSouthBridge::write(PacketPtr pkt) 6110585Sandreas.hansson@arm.com{ 6210585Sandreas.hansson@arm.com RangeMapIt sub = 6310585Sandreas.hansson@arm.com rangeMap.find(RangeSize(pkt->getAddr(), 1)); 6410585Sandreas.hansson@arm.com assert(sub != rangeMap.end()); 6510585Sandreas.hansson@arm.com return sub->second->write(pkt); 6610585Sandreas.hansson@arm.com} 6710585Sandreas.hansson@arm.com 6810585Sandreas.hansson@arm.comSouthBridge::SouthBridge(const Params *p) : PioDevice(p), 6910585Sandreas.hansson@arm.com pic1(0x20, 2, p->pio_latency), 7010585Sandreas.hansson@arm.com pic2(0xA0, 2, p->pio_latency), 7110585Sandreas.hansson@arm.com pit(0x40, 4, p->pio_latency), 7210585Sandreas.hansson@arm.com cmos(0x70, 2, p->pio_latency), 7310585Sandreas.hansson@arm.com speaker(0x61, 1, p->pio_latency) 7410585Sandreas.hansson@arm.com{ 7510585Sandreas.hansson@arm.com addDevice(pic1); 7610585Sandreas.hansson@arm.com addDevice(pic2); 7710585Sandreas.hansson@arm.com addDevice(pit); 7810585Sandreas.hansson@arm.com addDevice(cmos); 7910585Sandreas.hansson@arm.com addDevice(speaker); 8010585Sandreas.hansson@arm.com} 8110585Sandreas.hansson@arm.com 8210585Sandreas.hansson@arm.comSouthBridge * 8310585Sandreas.hansson@arm.comSouthBridgeParams::create() 8410585Sandreas.hansson@arm.com{ 8510585Sandreas.hansson@arm.com return new SouthBridge(this); 8610585Sandreas.hansson@arm.com} 8710585Sandreas.hansson@arm.com