Zynq UltraScale+ Devices Register Reference > Module Summary > SATA_AHCI_PORTCNTRL Module > PxCLBU (SATA_AHCI_PORTCNTRL) Register

PxCLBU (SATA_AHCI_PORTCNTRL) Register

PxCLBU (SATA_AHCI_PORTCNTRL) Register Description

Register NamePxCLBU
Relative Address0x0000000004
Absolute Address 0x00FD0C0104 (SATA_AHCI_PORT0_CNTRL)
0x00FD0C0184 (SATA_AHCI_PORT1_CNTRL)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionPort x Command List Base Address Upper 32-bits (PxCLBU)

PxCLBU (SATA_AHCI_PORTCNTRL) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
CLBU31:0rwNormal read/write0x0Command List Base Address Upper (CLBU):
Indicates the upper 32-bits for the command list base physical address for this port.
This base is used when fetching commands to execute. This register shall be read only 0 for HBAs that do not support 64-bit addressing.