Malta.py revision 7709:fc12f4d657f0 
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
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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
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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.port
67        self.io.pio = bus.port
68        self.uart.pio = bus.port
69