AXI BARs Tab - 1.0 English

Versal ACAP DMA and Bridge Subsystem for PCI Express Product Guide (PG344)

Document ID
PG344
Release Date
2022-05-20
Version
1.0 English

The AXI BARs tab options for the AXI Bridge mode (Functional Mode option) are shown in the following figure.

Figure 1. AXI BARs Tab

The options are defined as follows:

No Address Translation
When this option is selected user will get a one 64-bit BAR with out any translation. User is responsible for setting up address translation.
When this option is not selected DMA will setup a address transitional based the entries that is selected in below options. And DMA will have fixed 8 window for the BAR selected below. Descriptions for how to set each of the 8 window is explained in Salve Bridge section.
Aperture Base Address
Sets the base address for the address range of BAR. You should edit this parameter to fit design requirements. When adding the IP in a block design, this option is not available. Instead, set this option in Address Editor tab. When you add the IP to a block design, this option is not available. In that case, you must set this option in the Address Editor tab.
Aperture High Address
Sets the upper address threshold for the address range of BAR. You should edit this parameter to fit design requirements. When you add the IP to a block design, this option is not available. In that case, you must set this option in the Address Editor tab.
Note: In addition, you must also program the BDF table.