Malta.py revision 8847
1# Copyright (c) 2007 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Korey Sewell 28 29from m5.params import * 30from m5.proxy import * 31 32from BadDevice import BadDevice 33from Device import BasicPioDevice 34from Pci import PciConfigAll 35from Platform import Platform 36from Uart import Uart8250 37 38class MaltaCChip(BasicPioDevice): 39 type = 'MaltaCChip' 40 malta = Param.Malta(Parent.any, "Malta") 41 42class MaltaIO(BasicPioDevice): 43 type = 'MaltaIO' 44 time = Param.Time('01/01/2009', 45 "System time to use (0 for actual time, default is 1/1/06)") 46 year_is_bcd = Param.Bool(False, 47 "The RTC should interpret the year as a BCD value") 48 malta = Param.Malta(Parent.any, "Malta") 49 frequency = Param.Frequency('1024Hz', "frequency of interrupts") 50 51class MaltaPChip(BasicPioDevice): 52 type = 'MaltaPChip' 53 malta = Param.Malta(Parent.any, "Malta") 54 55class Malta(Platform): 56 type = 'Malta' 57 system = Param.System(Parent.any, "system") 58 cchip = MaltaCChip(pio_addr=0x801a0000000) 59 io = MaltaIO(pio_addr=0x801fc000000) 60 uart = Uart8250(pio_addr=0xBFD003F8) 61 62 # Attach I/O devices to specified bus object. Can't do this 63 # earlier, since the bus object itself is typically defined at the 64 # System level. 65 def attachIO(self, bus): 66 self.cchip.pio = bus.master 67 self.io.pio = bus.master 68 self.uart.pio = bus.master 69