ADV_SWTm_BAR4_CONTROL_3 (CPM5_PCIE_ATTR) Register

Versal Adaptive SoC Register Reference (AM012)

Document ID
AM012
Release Date
2023-08-29
Revision
1.3

ADV_SWTm_BAR4_CONTROL_3 (CPM5_PCIE_ATTR) Register Description

Register NameADV_SWTm_BAR4_CONTROL_3
Relative Address0x00000023DC
Absolute Address 0x00FCE0A3DC (CPM5_PCIE0_ATTR)
0x00FCE8A3DC (CPM5_PCIE1_ATTR)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionBAR4 Control - Specifies the configuration of BAR 4.
For Endpoint, the various encodings are:
000: Disabled
001: 32-bit IO BAR
010-011: Reserved
100: 32-bit memory BAR, non-prefetchable
101: 32-bit memory BAR, prefetchable
110: Part of 64-bit memory BAR
4-5, non-prefetchable
111: Part of 64-bit memory BAR
4-5, prefetchable
For non-Endpoint (Type 1) Config Space, the Memory Base & Limit encodings are:
000: Disabled (RO)
001: Enabled (RW)
010-111: Reserved

This register should only be written to during reset of the PCIe block

ADV_SWTm_BAR4_CONTROL_3 (CPM5_PCIE_ATTR) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr 2:0rwNormal read/write0x0BAR4 Control - Specifies the configuration of BAR 4.
For Endpoint, the various encodings are:
000: Disabled
001: 32-bit IO BAR
010-011: Reserved
100: 32-bit memory BAR, non-prefetchable
101: 32-bit memory BAR, prefetchable
110: Part of 64-bit memory BAR
4-5, non-prefetchable
111: Part of 64-bit memory BAR
4-5, prefetchable
For non-Endpoint (Type 1) Config Space, the Memory Base & Limit encodings are:
000: Disabled (RO)
001: Enabled (RW)
010-111: Reserved