22 atu capabilities pointer register - atu_cap_ptr, 22atu capabilities pointer register - atu_cap_ptr, 48 atu capabilities pointer register - atu_cap_ptr – Intel CONTROLLERS 413808 User Manual
Page 163: Section 2.14.22, Address translation unit (pci-x)—intel, 36 bit default description
Intel
®
413808 and 413812 I/O Controllers in TPER Mode
October 2007
Developer’s Manual
Order Number: 317805-001US
163
Address Translation Unit (PCI-X)—Intel
®
413808 and 413812
2.14.22 ATU Capabilities Pointer Register - ATU_Cap_Ptr
The Capabilities Pointer Register bits adhere to the definitions in the PCI Local Bus
Specification, Revision 2.3. This register provides an offset in this function’s PCI
Configuration Space for the location of the first item in the first Capability list. In the
case of the 4138xx, this is the PCI Bus Power Management extended capability as
defined by the PCI Bus Power Management Interface Specification, Revision 1.1.
Table 48. ATU Capabilities Pointer Register - ATU_Cap_Ptr
36
Bit
Default
Description
07:00
98H
Capability List Pointer - This provides an offset in this function’s configuration space that points to the
4138xx PCl Bus Power Management extended capability.
PCI
IOP
Attributes
Attributes
7
4
0
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
ro
Attribute Legend:
RV = Reserved
PR = Preserved
RS = Read/Set
RW = Read/Write
RC = Read Clear
RO = Read Only
NA = Not Accessible
Register Offset
+034H