Address Translations - 1.0 English

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

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1.0 English

Address translation can be turned off by selecting the No Address Translation option during IP configuration. When this option is selected, one full 64-bit BAR space is given for slave data transfer. You must set up any address translation if needed. If No Address Translation is not selected DMA will do address translation.

One 64 bit BAR space is divided into 8 (called window) and 8 window space is available for address translation. Address translation for Slave Bridge transfer are done in two steps.

  1. Address translation for upper bits are programmed in GUI configuration. In the IP integrator canvas, address translation for upper bits should be edited in the Address Editor tab.
  2. Address translation for lower bits are programmed in BDF table.