1 # Copyright (c) 2007 The Regents of The University of Michigan
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.
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.
27 from m5
.params
import *
28 from m5
.proxy
import *
30 from m5
.objects
.BadDevice
import BadDevice
31 from m5
.objects
.Device
import BasicPioDevice
32 from m5
.objects
.Platform
import Platform
33 from m5
.objects
.Uart
import Uart8250
35 class MaltaCChip(BasicPioDevice
):
37 cxx_header
= "dev/mips/malta_cchip.hh"
38 malta
= Param
.Malta(Parent
.any
, "Malta")
40 class MaltaIO(BasicPioDevice
):
42 cxx_header
= "dev/mips/malta_io.hh"
43 time
= Param
.Time('01/01/2009',
44 "System time to use (0 for actual time, default is 1/1/06)")
45 year_is_bcd
= Param
.Bool(False,
46 "The RTC should interpret the year as a BCD value")
47 malta
= Param
.Malta(Parent
.any
, "Malta")
48 frequency
= Param
.Frequency('1024Hz', "frequency of interrupts")
50 class Malta(Platform
):
52 cxx_header
= "dev/mips/malta.hh"
53 system
= Param
.System(Parent
.any
, "system")
54 cchip
= MaltaCChip(pio_addr
=0x801a0000000)
55 io
= MaltaIO(pio_addr
=0x801fc000000)
56 uart
= Uart8250(pio_addr
=0xBFD003F8)
58 # Attach I/O devices to specified bus object. Can't do this
59 # earlier, since the bus object itself is typically defined at the
61 def attachIO(self
, bus
):
62 self
.cchip
.pio
= bus
.mem_side_ports
63 self
.io
.pio
= bus
.mem_side_ports
64 self
.uart
.pio
= bus
.mem_side_ports