Register Name | Offset Address | Width | Type | Reset Value | Description |
CAP | 0x0000000000 | 32 | roRead-only | 0xE537FF80 | HBA Capabilities |
GHC | 0x0000000004 | 32 | mixedMixed types. See bit-field details. | 0x80000000 | Global HBA Control |
IS | 0x0000000008 | 32 | wtcReadable, write a 1 to clear | 0x00000000 | Interrupt Status |
PI | 0x000000000C | 32 | roRead-only | 0x00000001 | Ports Implemented |
VS | 0x0000000010 | 32 | roRead-only | 0x00010301 | AHCI Version |
CCC_CTL | 0x0000000014 | 32 | mixedMixed types. See bit-field details. | 0x00010110 | Command Completion Coalescing Control |
CCC_PORTS | 0x0000000018 | 32 | rwNormal read/write | 0x00000000 | Command Completion Coalescing Ports. |
EM_LOC | 0x000000001C | 32 | roRead-only | 0x00000000 | Enclosure Management Location |
EM_CTL | 0x0000000020 | 32 | mixedMixed types. See bit-field details. | 0x00000000 | Enclosure Management Control. |
CAP2 | 0x0000000024 | 32 | roRead-only | 0x0000000C | HBA Capabilities Extended |
BOHC | 0x0000000028 | 32 | mixedMixed types. See bit-field details. | 0x00000000 | BIOS/OS Handoff Control and Status |