15390SN/A# Copyright (c) 2008 The Regents of The University of Michigan 25390SN/A# All rights reserved. 35390SN/A# 45390SN/A# Redistribution and use in source and binary forms, with or without 55390SN/A# modification, are permitted provided that the following conditions are 65390SN/A# met: redistributions of source code must retain the above copyright 75390SN/A# notice, this list of conditions and the following disclaimer; 85390SN/A# redistributions in binary form must reproduce the above copyright 95390SN/A# notice, this list of conditions and the following disclaimer in the 105390SN/A# documentation and/or other materials provided with the distribution; 115390SN/A# neither the name of the copyright holders nor the names of its 125390SN/A# contributors may be used to endorse or promote products derived from 135390SN/A# this software without specific prior written permission. 145390SN/A# 155390SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 165390SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 175390SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 185390SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 195390SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 205390SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 215390SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 225390SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 235390SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 245390SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 255390SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 265390SN/A# 275390SN/A# Authors: Gabe Black 285390SN/A 295390SN/Afrom m5.params import * 305390SN/Afrom m5.proxy import * 3113665Sandreas.sandberg@arm.comfrom m5.objects.Cmos import Cmos 3213665Sandreas.sandberg@arm.comfrom m5.objects.I8042 import I8042 3313665Sandreas.sandberg@arm.comfrom m5.objects.I82094AA import I82094AA 3413665Sandreas.sandberg@arm.comfrom m5.objects.I8237 import I8237 3513665Sandreas.sandberg@arm.comfrom m5.objects.I8254 import I8254 3613665Sandreas.sandberg@arm.comfrom m5.objects.I8259 import I8259 3713665Sandreas.sandberg@arm.comfrom m5.objects.Ide import IdeController 3813665Sandreas.sandberg@arm.comfrom m5.objects.PcSpeaker import PcSpeaker 395636SN/Afrom m5.SimObject import SimObject 405390SN/A 415636SN/Adef x86IOAddress(port): 425636SN/A IO_address_space_base = 0x8000000000000000 435636SN/A return IO_address_space_base + port; 445636SN/A 455636SN/Aclass SouthBridge(SimObject): 465390SN/A type = 'SouthBridge' 479338SAndreas.Sandberg@arm.com cxx_header = "dev/x86/south_bridge.hh" 485636SN/A platform = Param.Platform(Parent.any, "Platform this device is part of") 495636SN/A 505636SN/A _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master') 515636SN/A _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave') 525636SN/A _cmos = Cmos(pio_addr=x86IOAddress(0x70)) 535818Sgblack@eecs.umich.edu _dma1 = I8237(pio_addr=x86IOAddress(0x0)) 545831Sgblack@eecs.umich.edu _keyboard = I8042(data_port=x86IOAddress(0x60), \ 555831Sgblack@eecs.umich.edu command_port=x86IOAddress(0x64)) 565636SN/A _pit = I8254(pio_addr=x86IOAddress(0x40)) 575636SN/A _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61)) 585643Sgblack@eecs.umich.edu _io_apic = I82094AA(pio_addr=0xFEC00000) 595636SN/A 605636SN/A pic1 = Param.I8259(_pic1, "Master PIC") 615636SN/A pic2 = Param.I8259(_pic2, "Slave PIC") 625636SN/A cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device") 635818Sgblack@eecs.umich.edu dma1 = Param.I8237(_dma1, "The first dma controller") 645831Sgblack@eecs.umich.edu keyboard = Param.I8042(_keyboard, "The keyboard controller") 655636SN/A pit = Param.I8254(_pit, "Programmable interval timer") 665636SN/A speaker = Param.PcSpeaker(_speaker, "PC speaker") 675643Sgblack@eecs.umich.edu io_apic = Param.I82094AA(_io_apic, "I/O APIC") 685636SN/A 695833Sgblack@eecs.umich.edu # IDE controller 705833Sgblack@eecs.umich.edu ide = IdeController(disks=[], pci_func=0, pci_dev=4, pci_bus=0) 715833Sgblack@eecs.umich.edu ide.BAR0 = 0x1f0 725833Sgblack@eecs.umich.edu ide.BAR0LegacyIO = True 735833Sgblack@eecs.umich.edu ide.BAR1 = 0x3f4 745833Sgblack@eecs.umich.edu ide.BAR1Size = '3B' 755833Sgblack@eecs.umich.edu ide.BAR1LegacyIO = True 765833Sgblack@eecs.umich.edu ide.BAR2 = 0x170 775833Sgblack@eecs.umich.edu ide.BAR2LegacyIO = True 785833Sgblack@eecs.umich.edu ide.BAR3 = 0x374 795833Sgblack@eecs.umich.edu ide.BAR3Size = '3B' 805833Sgblack@eecs.umich.edu ide.BAR3LegacyIO = True 815833Sgblack@eecs.umich.edu ide.BAR4 = 1 826432Sgblack@eecs.umich.edu ide.Command = 0 836432Sgblack@eecs.umich.edu ide.ProgIF = 0x80 845843Sgblack@eecs.umich.edu ide.InterruptLine = 14 855843Sgblack@eecs.umich.edu ide.InterruptPin = 1 8610359SAli.Saidi@ARM.com ide.LegacyIOBase = x86IOAddress(0) 875833Sgblack@eecs.umich.edu 888929Snilay@cs.wisc.edu def attachIO(self, bus, dma_ports): 8914290Sgabeblack@google.com # Route interrupt signals 9014290Sgabeblack@google.com self.pic1.output = self.io_apic.inputs[0] 9114290Sgabeblack@google.com self.pic2.output = self.pic1.inputs[2] 9214290Sgabeblack@google.com self.cmos.int_pin = self.pic2.inputs[0] 9314290Sgabeblack@google.com self.pit.int_pin = self.pic1.inputs[0] 9414290Sgabeblack@google.com self.pit.int_pin = self.io_apic.inputs[2] 9514290Sgabeblack@google.com self.keyboard.keyboard_int_pin = self.io_apic.inputs[1] 9614290Sgabeblack@google.com self.keyboard.mouse_int_pin = self.io_apic.inputs[12] 975827Sgblack@eecs.umich.edu # Tell the devices about each other 985827Sgblack@eecs.umich.edu self.pic1.slave = self.pic2 995636SN/A self.speaker.i8254 = self.pit 1005827Sgblack@eecs.umich.edu self.io_apic.external_int_pic = self.pic1 1015636SN/A # Connect to the bus 1028839Sandreas.hansson@arm.com self.cmos.pio = bus.master 1038839Sandreas.hansson@arm.com self.dma1.pio = bus.master 1048839Sandreas.hansson@arm.com self.ide.pio = bus.master 1058929Snilay@cs.wisc.edu if dma_ports.count(self.ide.dma) == 0: 1068929Snilay@cs.wisc.edu self.ide.dma = bus.slave 1078839Sandreas.hansson@arm.com self.keyboard.pio = bus.master 1088839Sandreas.hansson@arm.com self.pic1.pio = bus.master 1098839Sandreas.hansson@arm.com self.pic2.pio = bus.master 1108839Sandreas.hansson@arm.com self.pit.pio = bus.master 1118839Sandreas.hansson@arm.com self.speaker.pio = bus.master 1128839Sandreas.hansson@arm.com self.io_apic.pio = bus.master 1138839Sandreas.hansson@arm.com self.io_apic.int_master = bus.slave 114