Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_79 (PCIE_ATTRIB) Register
Register Name | ATTR_79 |
---|---|
Relative Address | 0x000000013C |
Absolute Address | 0x00FD48013C (PCIE_ATTRIB) |
Width | 32 |
Type | rwNormal read/write |
Reset Value | 0x00000000 |
Description | ATTR_79 |
This register should only be written to during reset of the PCIe block
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
attr_slot_cap_no_cmd_completed_support | 13 | rwNormal read/write | 0x0 | No Command Completed Support. When TRUE, indicates that Slot doesnt issue SW notification when HotPlug Controller completes command. Transferred to the Slot Capabilities register. |
attr_slot_cap_mrl_sensor_present | 12 | rwNormal read/write | 0x0 | MRL Sensor Present. When TRUE, indicates that a MRL (Manually-operated Retention Latch) sensor is implemented on the chassis for this slot. Transferred to the Slot Capabilities register. |
attr_slot_cap_hotplug_surprise | 11 | rwNormal read/write | 0x0 | Hot-Plug Surprise. When TRUE, indicates that a device present in this slot might be removed from the system without any prior notification. Transferred to the Slot Capabilities register. |
attr_slot_cap_hotplug_capable | 10 | rwNormal read/write | 0x0 | Hot-Plug Capable. When TRUE, indicates that this slot is capable of supporting Hot-Plug operations. Transferred to the Slot Capabilities register. |
attr_slot_cap_elec_interlock_present | 9 | rwNormal read/write | 0x0 | Electromechanical Interlock Present. When TRUE, indicates that an Electromechanical Interlock is implemented on the chassis for this slot. Transferred to the Slot Capabilities register. |
attr_slot_cap_att_indicator_present | 8 | rwNormal read/write | 0x0 | Attention Indicator Present. When TRUE, indicates that an Attention Indicator is implemented on the chassis for this slot. Transferred to the Slot Capabilities register. |
attr_slot_cap_att_button_present | 7 | rwNormal read/write | 0x0 | Attention Button Present. When TRUE, indicates that an Attention Button is implemented on the chassis for this slot. Transferred to the Slot Capabilities register. |
Reserved | 6 | rwNormal read/write | 0x0 | reserved. |
attr_root_cap_crs_sw_visibility | 5 | rwNormal read/write | 0x0 | CRS SW Visibility. Indicates RC can return CRS to SW. Transferred to the Root Capabilities register. |
attr_rbar_cap_control_encodedbar5 | 4:0 | rwNormal read/write | 0x0 | Initial value for the 6th RBAR Control "BAR Size" field (if any). Encoding is 0=1MB, 1=2MB,2=4MB,etc. This value must correspond to the size requested in the attribute BARx (where x is the value of RBAR_CAP_INDEX5). For instance, if RBAR_CAP_INDEX5=3, and BAR3 requests a 16MB aperture, then this attribute must be set to 4 (meaning 16MB). |