42.1 UHPHS Host Controller Capability Register
| Name: | UHPHS_HCCAPBASE |
| Offset: | 0x00 |
| Reset: | 0x01000010 |
| Property: | Read-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| HCIVERSION[15:8] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| HCIVERSION[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| CAPLENGTH[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
Bits 31:16 – HCIVERSION[15:0] Host Controller Interface Version Number
This is a two-byte field containing a BCD encoding of the EHCI revision number supported by this host controller. The most significant byte of this field represents the major revision and the least significant byte the minor revision.
Bits 7:0 – CAPLENGTH[7:0] Capability Registers Length
This field is used as an offset to add to the register base to find the beginning of the Operational Register Space.