Metering_Enable (CPM4_DMA_ATTR) Register

Versal Adaptive SoC Register Reference (AM012)

Document ID
AM012
Release Date
2023-08-29
Revision
1.3

Metering_Enable (CPM4_DMA_ATTR) Register Description

Register NameMetering_Enable
Relative Address0x000000003C
Absolute Address 0x00FCA7003C (CPM4_DMA_ATTR)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionMeter requests to RQ to avoid overflow of the Rx Fifo.
If disabled, Finite Completion Credits, must be enabled in PCIe IP.
0 - Disable metering
1 - Enable metering

This register should only be written to during reset of the PCIe block Alternate register name: attr_dma_metering_enable

Metering_Enable (CPM4_DMA_ATTR) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr 0rwNormal read/write0x0Meter requests to RQ to avoid overflow of the Rx Fifo.
If disabled, Finite Completion Credits, must be enabled in PCIe IP.
0 - Disable metering
1 - Enable metering