SouthBridge.py revision 8839
16899SN/A# Copyright (c) 2008 The Regents of The University of Michigan 29542Sandreas.hansson@arm.com# All rights reserved. 39542Sandreas.hansson@arm.com# 49542Sandreas.hansson@arm.com# Redistribution and use in source and binary forms, with or without 59542Sandreas.hansson@arm.com# modification, are permitted provided that the following conditions are 69542Sandreas.hansson@arm.com# met: redistributions of source code must retain the above copyright 79542Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer; 89542Sandreas.hansson@arm.com# redistributions in binary form must reproduce the above copyright 99542Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer in the 109542Sandreas.hansson@arm.com# documentation and/or other materials provided with the distribution; 119542Sandreas.hansson@arm.com# neither the name of the copyright holders nor the names of its 129542Sandreas.hansson@arm.com# contributors may be used to endorse or promote products derived from 139542Sandreas.hansson@arm.com# this software without specific prior written permission. 146899SN/A# 156899SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 166899SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 176899SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 186899SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 196899SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 206899SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 216899SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 226899SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 236899SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 246899SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 256899SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 266899SN/A# 276899SN/A# Authors: Gabe Black 286899SN/A 296899SN/Afrom m5.params import * 306899SN/Afrom m5.proxy import * 316899SN/Afrom Cmos import Cmos 326899SN/Afrom I8042 import I8042 336899SN/Afrom I82094AA import I82094AA 346899SN/Afrom I8237 import I8237 356899SN/Afrom I8254 import I8254 366899SN/Afrom I8259 import I8259 376899SN/Afrom Ide import IdeController 386899SN/Afrom PcSpeaker import PcSpeaker 396899SN/Afrom X86IntPin import X86IntLine 406899SN/Afrom m5.SimObject import SimObject 416899SN/A 427053SN/Adef x86IOAddress(port): 437053SN/A IO_address_space_base = 0x8000000000000000 446899SN/A return IO_address_space_base + port; 457055SN/A 468229Snate@binkert.orgclass SouthBridge(SimObject): 477454SN/A type = 'SouthBridge' 487055SN/A pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks") 497632SBrad.Beckmann@amd.com platform = Param.Platform(Parent.any, "Platform this device is part of") 508229Snate@binkert.org 518229Snate@binkert.org _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master') 5211017Snilay@cs.wisc.edu _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave') 5311017Snilay@cs.wisc.edu _cmos = Cmos(pio_addr=x86IOAddress(0x70)) 546899SN/A _dma1 = I8237(pio_addr=x86IOAddress(0x0)) 556899SN/A _keyboard = I8042(data_port=x86IOAddress(0x60), \ 567053SN/A command_port=x86IOAddress(0x64)) 576899SN/A _pit = I8254(pio_addr=x86IOAddress(0x40)) 587053SN/A _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61)) 598922Swilliam.wang@arm.com _io_apic = I82094AA(pio_addr=0xFEC00000) 607053SN/A 617053SN/A pic1 = Param.I8259(_pic1, "Master PIC") 627053SN/A pic2 = Param.I8259(_pic2, "Slave PIC") 6311266SBrad.Beckmann@amd.com cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device") 6411266SBrad.Beckmann@amd.com dma1 = Param.I8237(_dma1, "The first dma controller") 656899SN/A keyboard = Param.I8042(_keyboard, "The keyboard controller") 667053SN/A pit = Param.I8254(_pit, "Programmable interval timer") 678932SBrad.Beckmann@amd.com speaker = Param.PcSpeaker(_speaker, "PC speaker") 688932SBrad.Beckmann@amd.com io_apic = Param.I82094AA(_io_apic, "I/O APIC") 698932SBrad.Beckmann@amd.com 708932SBrad.Beckmann@amd.com # IDE controller 718932SBrad.Beckmann@amd.com ide = IdeController(disks=[], pci_func=0, pci_dev=4, pci_bus=0) 728932SBrad.Beckmann@amd.com ide.BAR0 = 0x1f0 7311266SBrad.Beckmann@amd.com ide.BAR0LegacyIO = True 7411266SBrad.Beckmann@amd.com ide.BAR1 = 0x3f4 7511266SBrad.Beckmann@amd.com ide.BAR1Size = '3B' 7611266SBrad.Beckmann@amd.com ide.BAR1LegacyIO = True 777053SN/A ide.BAR2 = 0x170 786899SN/A ide.BAR2LegacyIO = True 797053SN/A ide.BAR3 = 0x374 808975Sandreas.hansson@arm.com ide.BAR3Size = '3B' 8110713Sandreas.hansson@arm.com ide.BAR3LegacyIO = True 828922Swilliam.wang@arm.com ide.BAR4 = 1 837053SN/A ide.Command = 0 846899SN/A ide.ProgIF = 0x80 857053SN/A ide.InterruptLine = 14 867053SN/A ide.InterruptPin = 1 879542Sandreas.hansson@arm.com 886899SN/A def attachIO(self, bus): 8911025Snilay@cs.wisc.edu # Route interupt signals 906899SN/A self.int_lines = \ 917053SN/A [X86IntLine(source=self.pic1.output, sink=self.io_apic.pin(0)), 926899SN/A X86IntLine(source=self.pic2.output, sink=self.pic1.pin(2)), 937053SN/A X86IntLine(source=self.cmos.int_pin, sink=self.pic2.pin(0)), 947053SN/A X86IntLine(source=self.pit.int_pin, sink=self.pic1.pin(0)), 957053SN/A X86IntLine(source=self.pit.int_pin, sink=self.io_apic.pin(2)), 966899SN/A X86IntLine(source=self.keyboard.keyboard_int_pin, 9713784Sgabeblack@google.com sink=self.io_apic.pin(1)), 9813784Sgabeblack@google.com X86IntLine(source=self.keyboard.mouse_int_pin, 996899SN/A sink=self.io_apic.pin(12))] 10011266SBrad.Beckmann@amd.com # Tell the devices about each other 10111266SBrad.Beckmann@amd.com self.pic1.slave = self.pic2 1028950Sandreas.hansson@arm.com self.speaker.i8254 = self.pit 1038932SBrad.Beckmann@amd.com self.io_apic.external_int_pic = self.pic1 1048932SBrad.Beckmann@amd.com # Connect to the bus 1056899SN/A self.cmos.pio = bus.master 10613799SAndrea.Mondelli@ucf.edu self.dma1.pio = bus.master 1076899SN/A self.ide.pio = bus.master 1087053SN/A self.ide.config = bus.master 1096899SN/A self.ide.dma = bus.slave 1107053SN/A self.keyboard.pio = bus.master 1116899SN/A self.pic1.pio = bus.master 1127055SN/A self.pic2.pio = bus.master 1137053SN/A self.pit.pio = bus.master 1147055SN/A self.speaker.pio = bus.master 1156899SN/A self.io_apic.pio = bus.master 1167055SN/A self.io_apic.int_master = bus.slave 1178184Ssomayeh@cs.wisc.edu