Device.py (11764:3e4972406ba9) Device.py (12472:3cbae56f402d)
1# Copyright (c) 2012-2016 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
1# Copyright (c) 2005-2007 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

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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: Nathan Binkert
13# Copyright (c) 2005-2007 The Regents of The University of Michigan
14# All rights reserved.
15#
16# Redistribution and use in source and binary forms, with or without
17# modification, are permitted provided that the following conditions are
18# met: redistributions of source code must retain the above copyright
19# notice, this list of conditions and the following disclaimer;
20# redistributions in binary form must reproduce the above copyright

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32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38#
39# Authors: Nathan Binkert
40# Glenn Bergmans
28
29from m5.params import *
30from m5.proxy import *
41
42from m5.params import *
43from m5.proxy import *
44from m5.util.fdthelper import *
31from MemObject import MemObject
32
33class PioDevice(MemObject):
34 type = 'PioDevice'
35 cxx_header = "dev/io_device.hh"
36 abstract = True
37 pio = SlavePort("Programmed I/O port")
38 system = Param.System(Parent.any, "System this device is part of")
39
45from MemObject import MemObject
46
47class PioDevice(MemObject):
48 type = 'PioDevice'
49 cxx_header = "dev/io_device.hh"
50 abstract = True
51 pio = SlavePort("Programmed I/O port")
52 system = Param.System(Parent.any, "System this device is part of")
53
54 def generateBasicPioDeviceNode(self, state, name, pio_addr,
55 size, interrupts = None):
56 node = FdtNode("%s@%x" % (name, long(pio_addr)))
57 node.append(FdtPropertyWords("reg",
58 state.addrCells(pio_addr) +
59 state.sizeCells(size) ))
60
61 if interrupts:
62 if any([i < 32 for i in interrupts]):
63 raise(("Interrupt number smaller than 32 "+
64 " in PioDevice %s") % name)
65
66 # subtracting 32 because Linux assumes that SPIs start at 0, while
67 # gem5 uses the internal GIC numbering (SPIs start at 32)
68 node.append(FdtPropertyWords("interrupts", sum(
69 [[0, i - 32, 4] for i in interrupts], []) ))
70
71 return node
72
40class BasicPioDevice(PioDevice):
41 type = 'BasicPioDevice'
42 cxx_header = "dev/io_device.hh"
43 abstract = True
44 pio_addr = Param.Addr("Device Address")
45 pio_latency = Param.Latency('100ns', "Programmed IO latency")
46
47class DmaDevice(PioDevice):

--- 25 unchanged lines hidden --- 		73class BasicPioDevice(PioDevice):
74 type = 'BasicPioDevice'
75 cxx_header = "dev/io_device.hh"
76 abstract = True
77 pio_addr = Param.Addr("Device Address")
78 pio_latency = Param.Latency('100ns', "Programmed IO latency")
79
80class DmaDevice(PioDevice):

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