ID_AA64MMFR0_EL1_31to0 (A53_DBG_0) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

ID_AA64MMFR0_EL1_31to0 (A53_DBG_0) Register Description

Register NameID_AA64MMFR0_EL1_31to0
Offset Address0x0000000D38
Absolute Address 0x00FEC10D38 (CORESIGHT_A53_DBG_0)
Width32
TyperoRead-only
Reset Value0x00001122
DescriptionMemory Model Feature Register 0 (low word)

ID_AA64MMFR0_EL1_31to0 (A53_DBG_0) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
TGran431:28roRead-only0x0Support for 4 Kbyte memory translation granule size. Permitted values are:All other values are reserved.
TGran6427:24roRead-only0x0Support for 64 Kbyte memory translation granule size. Permitted values are:All other values are reserved.
TGran1623:20roRead-only0x0Support for 16 Kbyte memory translation granule size. Permitted values are:All other values are reserved.
BigEndEL019:16roRead-only0x0Mixed-endian support at EL0 only. Permitted values are:All other values are reserved.This field is invalid and is RES0 if the BigEnd field, bits [11:8], is not 0b0000.
SNSMem15:12roRead-only0x1Secure versus Non-secure Memory distinction. Permitted values are:All other values are reserved.
BigEnd11:8roRead-only0x1Mixed-endian configuration support. Permitted values are:All other values are reserved.
ASIDBits 7:4roRead-only0x2Number of ASID bits. Permitted values are:All other values are reserved.
PARange 3:0roRead-only0x2Physical Address range supported. Permitted values are:All other values are reserved.