Altera Arria V GZ Avalon-ST User Manual
Page 233

Figure 17-6: Memory Space Layout—No Limit
Root Complex
Shared Memory
Unused
Unused
Configuration Scratch
Space Used by
Routines - Not
Writeable by User
Calls or Endpoint
BAR Table
Used by BFM
Routines - Not
Writeable by User
Calls or Endpoint
Endpoint Non-
Prefetchable Memory
Space BARs
Assigned Smallest
to Largest
Endpoint Memory
Space BARs
Prefetchable 64-bit
Assigned Smallest
to Largest
Endpoint Memory
Space BARs
Prefetchable 32-bit
Assigned Smallest
to Largest
BAR-Size Dependent
BAR-Size Dependent
BAR-Size Dependent
0x0000 0001 0000 0000
0xFFFF FFFF FFFF FFFF
0x0020 0000
0x0000 0000
Address
0x001F FF00
0x001F FF80
The following figure shows the I/O address space.
UG-01127_avst
2014.12.15
Configuration of Root Port and Endpoint
17-29
Testbench and Design Example
Altera Corporation