ZDMA_CH_DSCR_ATTR (ZDMA) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

ZDMA_CH_DSCR_ATTR (ZDMA) Register Description

Register NameZDMA_CH_DSCR_ATTR
Offset Address0x0000000124
Absolute Address 0x00FFA80124 (ADMA_CH0)
0x00FFA90124 (ADMA_CH1)
0x00FFAA0124 (ADMA_CH2)
0x00FFAB0124 (ADMA_CH3)
0x00FFAC0124 (ADMA_CH4)
0x00FFAD0124 (ADMA_CH5)
0x00FFAE0124 (ADMA_CH6)
0x00FFAF0124 (ADMA_CH7)
0x00FD500124 (GDMA_CH0)
0x00FD510124 (GDMA_CH1)
0x00FD520124 (GDMA_CH2)
0x00FD530124 (GDMA_CH3)
0x00FD540124 (GDMA_CH4)
0x00FD550124 (GDMA_CH5)
0x00FD560124 (GDMA_CH6)
0x00FD570124 (GDMA_CH7)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionChannel DSCR AXI parameter Register

This register must remain stable while DMA Channel is enabled

ZDMA_CH_DSCR_ATTR (ZDMA) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:9razRead as zero0x0Reserved for future use
AXCOHRNT 8rwNormal read/write0x0This field is only valid for LPD DMA. FPD DMA does not support coherency at descriptor and data.
0: AXI transactions generated for the descriptor read are marked Non-coherent.
1: AXI transactions generated for the descriptor read are marked coherent.
AXCACHE 7:4rwNormal read/write0x0AXI cache bit used for DSCR fetch (both on SRC and DST Side).
AXQOS 3:0rwNormal read/write0x0QoS bit used for DSCR fetch (both on SRC and DST side).