ARM ARM DUI 0224I manual Pciselfid register, Pciflags register, Bits Description

Models: ARM DUI 0224I

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Programmer’s Reference

 

Table 4-51 PCI_IMAPx register format

 

 

Bits

Description

 

 

[31:4]

Reserved. Use read-modify-write to preserve value.

 

 

[3:0]

Contains the value to use for bits [31:28] of the PCI address for accesses to this

 

region.

 

 

PCI_SELFID register

Writing the slot location of the PB926EJ-S into this register enables normal configuration accesses to return information on the PB926EJ-S. That is, normal configuration accesses to this slot position are converted automatically into self configuration accesses.

The register format is shown in Figure 4-26 and Table 4-52.

 

Figure 4-26 PCI_SELFID register

 

Table 4-52 PCI_SELFID register format

 

 

Bits

Description

 

 

[31:5]

Reserved. Use read-modify-write to preserve value.

 

 

[4:0]

Contains the slot location of the PB926EJ-S on the PCI backplane.

 

 

PCI_FLAGS register

This read-only register returns status information about abort conditions on the PCI bus. The register format is shown in Figure 4-27 on page 4-78 and Table 4-53 on page 4-78.

ARM DUI 0224I

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ARM ARM DUI 0224I manual Pciflags register, Bits Description, Pciselfid register format