Register Description

12.2.67Offset 300h: PWRBGT_CAPID—Power Budgeting Enhanced Capability Header

This register defines the capability identifier.

Table 101.

Offset 300h: PWRBGT_HDR—Power Budgeting Enhanced Capability Header

 

 

 

 

 

Bits

 

Type

Reset

Description

 

 

 

 

 

31:20

 

RO

000h

Next PCI Express* Extended Capability Pointer: This field indicates the last capability.

 

 

 

 

 

19:16

 

RO

1h

Power Budgeting Capability Version Number: This field indicates the PCI Express*

 

Power Budgeting Capability Version Number.

 

 

 

 

 

 

 

 

 

15:0

 

RO

0004h

Power Budgeting Capability ID: This field indicates the Advanced Error Reporting

 

Capability.

 

 

 

 

 

 

 

 

 

12.2.68Offset 304h: PWRBGT_DSEL—Power Budgeting Data Select Register

Table 102.

Offset 304h: PWRBGT_DSEL—Power Budgeting Data Select Register

 

 

 

 

 

 

Bits

 

Type

Reset

 

Description

 

 

 

 

 

 

 

 

 

Data Select: This read-write register indexes the reported through the Data Register

 

 

 

 

(“Offset 308h: PWRBGT_DATA—Power Budgeting Data Register” on page 120) and selects

 

 

 

 

the Dword of the power budgeting data that must appear in the Data Register.

 

 

 

 

The index values for this register start at 0 to select the first DWord of the power budgeting

 

 

 

 

data; subsequent DWords of the power budgeting data are selected by increasing index

 

 

 

 

values. For example:

7:0

 

RW

00h

A value of 0 selects the DWord data starting at address 314h to appear in the Data

 

 

 

 

 

Register at offset 308h.

 

 

 

 

• A value of 1 selects the DWord data starting at address 318h to appear in the Data

 

 

 

 

 

Register.

 

 

 

 

(and so on)

 

 

 

 

When the Data Select field values is greater than 23, all zeros are reported in the Data

 

 

 

 

Register.

 

 

 

 

 

 

12.2.69Offset 308h: PWRBGT_DATA—Power Budgeting Data Register

Table 103.

Offset 308h: PWRBGT_DATA—Power Budgeting Data Register

 

 

 

 

 

Bits

 

Type

Reset

Description

 

 

 

 

 

 

 

 

 

Data: This read-only register returns the DWord of the power budgeting data selected by the

 

 

 

 

Data Select Register (“Offset 304h: PWRBGT_DSEL—Power Budgeting Data Select

31:0

 

RO

0000 0000h

Register” on page 120). The Intel® 41210 Serial to Parallel PCI Bridge reports its power

 

 

 

 

consumption for PM states D0, D3; types idle, sustained, maximum; power rails 1.2 V, 3.3 V,

 

 

 

 

1.8 V, Thermal.

 

 

 

 

§ §

120

Intel® 41210 Serial to Parallel PCI Bridge Developer’s Manual

Page 120
Image 120
Intel 41210 manual Offset 304h PWRBGTDSEL-Power Budgeting Data Select Register