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Bus Interface Registers
F1_ATTN_INDICATOR_PRESENT
F1_POWER_INDICATOR_PRESENT
F1_CAPTURED_SLOT_POWER_LIMIT
F1_CAPTURED_SLOT_POWER_SCALE
The Device Capabilities register identifies PCI Express device specific capabilities.
Field Name
F1_CORR_ERR_EN
F1_NON_FATAL_ERR_EN
F1_FATAL_ERR_EN
F1_USR_REPORT_EN
F1_RELAXED_ORD_EN (R)
F1_MAX_PAYLOAD_SIZE
F1_EXTENDED_TAG_EN (R)
F1_PHANTOM_FUNC_EN (R)
F1_AUX_POWER_PM_EN (R)
F1_NO_SNOOP_EN (R)
F1_MAX_REQUEST_SIZE (R)
The Device Control register controls various PCI Express features.
Field Name
F1_CORR_ERR
F1_NON_FATAL_ERR
F1_FATAL_ERR
F1_USR_DETECTED
F1_AUX_PWR
F1_TRANSACTIONS_PEND
The Device Status register provides information about PCI Express device specific parameters.
M56 Register Reference Manual
2-78
13
14
25:18
27:26
F1_DEVICE_CNTL - RW - 16 bits - [CFGF1_DEC:0x60] [HIDEC:0x5460]
Bits
0
1
2
3
4
7:5
8
9
10
11
14:12
F1_DEVICE_STATUS - R - 16 bits - [CFGF1_DEC:0x62] [HIDEC:0x5462]
Bits
0
1
2
3
4
5
0x0
0=Attention Indicator Present
0x0
0=Power Indicator Present
0x0
(Upstream Ports only) In combination with the Slot Power Limit Scale
value, specifies the upper limit on power supplied by slot.
0x0
Specifies the scale used for the Slot Power Limit Value.
Default
0x0
Correctable Error Reporting Enable.
0=Disable
1=Enable
0x0
Non-Fatal Error Reporting Enable.
0=Disable
1=Enable
0x0
Fatal Error Reporting Enable.
0=Disable
1=Enable
0x0
Unsupported Request (UR) Reporting Enable.
0=Disable
1=Enable
0x0
Enable Relaxed Ordering.
0=Disable
1=Enable
0x0
Max Payload Size.
0=128B size
0x0
Extended Tag Field Enable.
0=Disable
1=Enable
0x0
Phantom Functions Enable.
0=Disable
1=Enable
0x0
Auxiliary (AUX) Power PM Enable.
0=Disable
1=Enable
0x0
Enable No Snoop.
0=Disable
1=Enable
0x0
Max Read Request Size.
0=128B size
Default
0x0
This bit indicates status of correctable errors detected.
0x0
This bit indicates status of Nonfatal errors detected.
0x0
This bit indicates status of Fatal errors detected.
0x0
This bit indicates that the device received an Unsupported Request.
0x0
Devices that require AUX power report this bit as set if AUX power is
detected by the device.
0x0
Endpoints: This bit when set indicates that the device has issued
Non-Posted Requests which have not been completed. Root and
Switch Ports: This bit when set indicates that a Port has issued
Non-Posted Requests on its own behalf (using the Port's own
Requester ID) which have not been completed.
Description
Description
© 2007 Advanced Micro Devices, Inc.
Proprietary
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