PLB PCI Full Bridge (v1.00a)

Table 8: Bridge Interrupt Register Bit Definitions (Bit Assignment Assumes 32-bit Bus) (Contd)

Bit(s)

Name

Access

Reset

Description

Value

 

 

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Write Master Abort- Interrupt(25) indicates

25

Write Master

0x0

that the PLB PCI Bridge asserted a PCI master abort due to

1 to clear

 

Abort

 

no response from a target.

 

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Write Target Abort- Interrupt(26) indicates a

26

Write Target

0x0

PCI target abort occurred during a PLB Master Write to a

1 to clear

 

Abort

 

PCI target.

 

 

 

 

 

 

 

 

27

PLB Master

Read/Write

0x0

PLB Master Write PERR- Interrupt(27) indicates a PERR

Write PERR

1 to clear

error is detected on a PLB Master write to a PCI target.

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Write SERR- Interrupt(28) indicates that a

28

0x0

SERR error was detected by the v3.0 core when performing

Write SERR

1 to clear

 

 

as a PCI initiator writing data to a PCI target.

 

 

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Read Target Abort- Interrupt(29) indicates

29

Read Target

0x0

that a target abort was detected by the v3.0 core when

1 to clear

 

Abort

 

performing as a PCI initiator reading data from a PCI target.

 

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Read PERR- Interrupt(30) indicates that a

30

0x0

PERR was detected by the v3.0 core when performing as a

Read PERR

1 to clear

 

 

PCI initiator reading data from a PCI target.

 

 

 

 

 

 

 

 

 

 

PLB Master

Read/Write

 

PLB Master Read SERR- Interrupt(31) indicates that a

31

0x0

SERR error was detected by the v3.0 core when performing

Read SERR

1 to clear

 

 

as a PCI initiator reading data from a PCI target.

 

 

 

 

 

 

 

 

 

Bridge Interrupt Enable Register Description

The PLB PCI Bridge has interrupt enable features as described in IPSPEC048 PLB Device Interrupt Architecture. Bit assignment in the Bridge Interrupt Enable Register is shown in Table 9. The interrupt enable register is read/write. All bits are cleared upon reset.

Table 9: Bridge Interrupt Enable Register Bit Definitions (Bit assignment assumes 32-bit bus)

Bit(s)

Name

Access

Reset

 

 

Description

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

0-18

 

Read

0x0

Unassigned-

 

 

 

 

 

 

 

 

 

PCI Initiator Write SERR Enable- Enables this interrupt to

19

PCI Initiator

Read/Write

0x0

be passed to the interrupt controller.

Write SERR

0

- Not enabled.

 

 

 

 

 

 

 

1

- Enabled.

 

 

 

 

 

 

 

 

 

PCI Initiator Read SERR Enable- Enables this interrupt to

20

PCI Initiator

Read/Write

0x0

be passed to the interrupt controller.

Read SERR

0

- Not enabled.

 

 

 

 

 

 

 

1

- Enabled.

 

 

 

 

 

 

21

Reserved

 

0x0

Reserved

 

 

 

 

 

 

PLB Master

 

 

PLB Master Burst Write Retry Timeout Enable- Enables

 

 

 

this interrupt to be passed to the interrupt controller.

22

Write Retry

Read/Write

0x0

0

- Not enabled.

 

Timeout

 

 

 

 

 

1

- Enabled.

 

 

 

 

 

 

 

 

 

 

 

26

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DS508 March 21, 2006

 

 

Product Specification

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Xilinx PLB PCI Full Bridge specifications PLB Master Write Master Abort- Interrupt25 indicates