PciDevice.py revision 4486 
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
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15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26#
27# Authors: Nathan Binkert
28
29from m5.SimObject import SimObject
30from m5.params import *
31from m5.proxy import *
32from Device import BasicPioDevice, DmaDevice, PioDevice
33
34class PciConfigData(SimObject):
35    type = 'PciConfigData'
36    VendorID = Param.UInt16("Vendor ID")
37    DeviceID = Param.UInt16("Device ID")
38    Command = Param.UInt16(0, "Command")
39    Status = Param.UInt16(0, "Status")
40    Revision = Param.UInt8(0, "Device")
41    ProgIF = Param.UInt8(0, "Programming Interface")
42    SubClassCode = Param.UInt8(0, "Sub-Class Code")
43    ClassCode = Param.UInt8(0, "Class Code")
44    CacheLineSize = Param.UInt8(0, "System Cacheline Size")
45    LatencyTimer = Param.UInt8(0, "PCI Latency Timer")
46    HeaderType = Param.UInt8(0, "PCI Header Type")
47    BIST = Param.UInt8(0, "Built In Self Test")
48
49    BAR0 = Param.UInt32(0x00, "Base Address Register 0")
50    BAR1 = Param.UInt32(0x00, "Base Address Register 1")
51    BAR2 = Param.UInt32(0x00, "Base Address Register 2")
52    BAR3 = Param.UInt32(0x00, "Base Address Register 3")
53    BAR4 = Param.UInt32(0x00, "Base Address Register 4")
54    BAR5 = Param.UInt32(0x00, "Base Address Register 5")
55    BAR0Size = Param.MemorySize32('0B', "Base Address Register 0 Size")
56    BAR1Size = Param.MemorySize32('0B', "Base Address Register 1 Size")
57    BAR2Size = Param.MemorySize32('0B', "Base Address Register 2 Size")
58    BAR3Size = Param.MemorySize32('0B', "Base Address Register 3 Size")
59    BAR4Size = Param.MemorySize32('0B', "Base Address Register 4 Size")
60    BAR5Size = Param.MemorySize32('0B', "Base Address Register 5 Size")
61
62    CardbusCIS = Param.UInt32(0x00, "Cardbus Card Information Structure")
63    SubsystemID = Param.UInt16(0x00, "Subsystem ID")
64    SubsystemVendorID = Param.UInt16(0x00, "Subsystem Vendor ID")
65    ExpansionROM = Param.UInt32(0x00, "Expansion ROM Base Address")
66    InterruptLine = Param.UInt8(0x00, "Interrupt Line")
67    InterruptPin = Param.UInt8(0x00, "Interrupt Pin")
68    MaximumLatency = Param.UInt8(0x00, "Maximum Latency")
69    MinimumGrant = Param.UInt8(0x00, "Minimum Grant")
70
71class PciConfigAll(PioDevice):
72    type = 'PciConfigAll'
73    pio_latency = Param.Tick(1, "Programmed IO latency in simticks")
74    bus = Param.UInt8(0x00, "PCI bus to act as config space for")
75    size = Param.MemorySize32('16MB', "Size of config space")
76
77
78class PciDevice(DmaDevice):
79    type = 'PciDevice'
80    abstract = True
81    config = Port(Self.pio.peerObj.port, "PCI configuration space port")
82    pci_bus = Param.Int("PCI bus")
83    pci_dev = Param.Int("PCI device number")
84    pci_func = Param.Int("PCI function code")
85    pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
86    configdata = Param.PciConfigData(Parent.any, "PCI Config data")
87    config_latency = Param.Latency('20ns', "Config read or write latency")
88