Visible to Intel only — GUID: kun1700109000696
Ixiasoft
Visible to Intel only — GUID: kun1700109000696
Ixiasoft
7.3.1.4. HOT PLUG GEN CTRL
The following table lists details of HOT PLUG GEN CTRL Register. This register is only applicable for Root Port mode.
Default Value: 0x0000_0000
Register Name | Bit | Attribute User Side | Description |
---|---|---|---|
HOT PLUG GEN CTRL | 0 | RW | Attention Button Pressed
Indicates that the system attention button was pressed. The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
1 | RW | Power Fault Detection
Indicates the power controller detected a power fault at this slot The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
|
2 | RW | MRL Sensor Changed
Indicates that the state of the MRL sensor has changed. The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
|
3 | RW | Presence Detect Changed.
Indicates that the state of the card presence detector has changed. The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
|
4 | RW | Command Completed
Indicates that the Hot Plug controller completed a command. The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
|
5 | RW | Data Link Layer State Change
Indicates the state of Data Link Layer Link Active bit of the Link. Status register is changed The IP passes on this information to HIP block and clears this bit indicating requested operation complete. |
|
6 | RW | MRL Sensor State
This bit reports the status of the MRL sensor 0 - MRL Closed 1 - MRL Open |
|
7 | RW | Presence Detect State
0 - Slot Empty 1 - Adaptor Present |
|
8 | RW | Electromechanical Interlock Status
Indicates whether the system electromechanical interlock is engaged 0 - Electromechanical Interlock Disengaged 1 - Electromechanical Interlock Engaged |
|
13-9 | RW | Slot Number Indicates Slot Number of Function Generating Hot Plug Even |
|
31 - 14 | RsvdZ | Reserved |