Power management bridge support extensions, Power management data, Msi capability id – Avago Technologies LSI53C1020 User Manual
Page 100: Register: 0xxx
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PCI Host Register Description
Version 2.4
Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.
Register: 0xXX
Power Management Bridge Support Extensions
Read Only
Power Management Bridge Support Extensions [7:0]
This 8-bit register indicates PCI Bridge specific function-
ality. The LSI53C1020 always returns 0x00 in this regis-
ter.
Register: 0xXX
Power Management Data
Read Only
Power Management Data
[7:0]
This 8-bit register provides an optional mechanism for the
function to report state-dependent operating data. The
LSI53C1020 always returns 0x00 in this register.
Register: 0xXX
MSI Capability ID
Read Only
MSI Capability ID
[7:0]
This 8-bit register indicates the type of the current data
structure. This register always returns 0x05, indicating
Message Signaled Interrupts (MSIs).
7
0
Power Management Bridge Support Extensions
0
0
0
0
0
0
0
0
7
0
Power Management Data
0
0
0
0
0
0
0
0
7
0
MSI Capability ID
0
0
0
0
0
1
0
1