aximm_dma_steering_mode (CPM4_DMA_ATTR) Register

Versal Adaptive SoC Register Reference (AM012)

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

aximm_dma_steering_mode (CPM4_DMA_ATTR) Register Description

Register Nameaximm_dma_steering_mode
Relative Address0x00000000C8
Absolute Address 0x00FCA700C8 (CPM4_DMA_ATTR)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionSteering mode to determine which MM Master Port DMA transactions will use.
0: mapped - channels will use attribute configured MM port
1: toggle
- Requests will alternate between ports. This mechanism does not distinguish between channels.

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

aximm_dma_steering_mode (CPM4_DMA_ATTR) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr 0rwNormal read/write0x0Steering mode to determine which MM Master Port DMA transactions will use.
0: mapped - channels will use attribute configured MM port
1: toggle
- Requests will alternate between ports. This mechanism does not distinguish between channels.