Zynq UltraScale+ Devices Register Reference > Module Summary > SATA_AHCI_PORTCNTRL Module > PxCLBU (SATA_AHCI_PORTCNTRL) Register
Register Name | PxCLBU |
---|---|
Relative Address | 0x0000000004 |
Absolute Address |
0x00FD0C0104 (SATA_AHCI_PORT0_CNTRL) 0x00FD0C0184 (SATA_AHCI_PORT1_CNTRL) |
Width | 32 |
Type | rwNormal read/write |
Reset Value | 0x00000000 |
Description | Port x Command List Base Address Upper 32-bits (PxCLBU) |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
CLBU | 31:0 | rwNormal read/write | 0x0 | Command 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. |