CCC_PORTS (SATA_AHCI_HBA) Register Description
| Register Name | CCC_PORTS |
|---|---|
| Offset Address | 0x0000000018 |
| Absolute Address | 0x00FD0C0018 (SATA_AHCI_HBA) |
| Width | 32 |
| Type | rwNormal read/write |
| Reset Value | 0x00000000 |
| Description | Command Completion Coalescing Ports. |
The command completion coalescing ports register is used to specify the ports that are coalesced as part of the CCC feature when CCC_CTL [EN] = 1
CCC_PORTS (SATA_AHCI_HBA) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| PRT | 31:0 | rwNormal read/write | 0x0 | Ports (PRT): This register is bit significant. Each bit corresponds to a particular port, where bit 0 corresponds to port 0. If a bit is set to 1, the corresponding port is part of the command completion coalescing feature. If a bit is cleared to 0, the port is not part of the command completion coalescing feature. Bits set to 1 in this register must also have the corresponding bit set to 1 in the Ports Implemented register. An updated value for this field shall take effect within one timer increment (1 millisecond). |