AXI Streaming Intel® FPGA IP for PCI Express* User Guide

ID 790711
Date 7/08/2024
Public
Document Table of Contents

6.3.4. BAR Number Format

The BAR Number indicates matching BAR for MMIO transaction coming from HOST side.

Table 44.  BAR Number Field Description
BAR Number Description
0000 BAR 0 (when configured as 32-bit BAR), or BAR 0-1 (when configured as 64-bit BAR)
0001 BAR 1 (when configured as 32-bit BAR); reserved when BAR 1 is combined with BAR 0 to form a 64-bit BAR
0010 BAR 2 (when configured as 32-bit BAR), or BAR 2-3 (when configured as 64-bit BAR)
0011 BAR 3 (when configured as 32-bit BAR); reserved when BAR 2 is combined with BAR 3 to form a 64-bit BAR
0100 BAR 4 (when configured as 32-bit BAR), or BAR 4-5 (when configured as 64-bit BAR)
0101 BAR 5 (when configured as 32-bit BAR); reserved when BAR 4 is combined with BAR 5 to form a 64-bit BAR
0111 Expansion ROM BAR
All others Reserved