Knowledge Base Article

Do I need to setup the Avalon-MM-to-PCI Express address translation tables when using 64-bit addressing for the Avalon-Memory Mapped Hard IP for PCI Express?

Description

The Avalon-Memory Mapped Hard IP for PCI Express® supports 64-bit addressing. If you select 64-bit addressing, no address translation is necessary.
As a consequence, the 'Avalon to PCIe Address Translation Settings' section of the GUI in Qsys disappears automatically after setting 'Avalon-MM address width' to 64-bit.

Avalon-MM-to-PCI Express address translation tables in Control Register Access (CRA) space at address 0x1000–0x1FFF are not necessary for 64-bit addressing.

Resolution
Updated 1 month ago
Version 3.0
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