GPR0 (DDR_PHY) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

GPR0 (DDR_PHY) Register Description

Register NameGPR0
Offset Address0x00000000C0
Absolute Address 0x00FD0800C0 (DDR_PHY)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionGeneral Purpose Register 0

GPR0 (DDR_PHY) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
GPR031:1rwNormal read/write0x0General Purpose Register 0: General purpose register bits.
WDQSEXT 0rwNormal read/write0x0Write DQS Extension mode: If set, enables support for LPDDR4 WDQS Control.
This feature is required by some DRAM vendors.
Valid values are:
0 = WDQS Control disabled
1 = WDQS Control Mode 1 enabled