Datasheet

Datasheet 265
Direct Media Interface (DMI) RCRB
9.9 DMIVC1RSTS—DMI VC1 Resource Status
B/D/F/Type: 0/0/0/DMIBAR
Address Offset: 26–27h
Default Value: 0002h
Access: RO
Size: 16 bits
This register reports the Virtual Channel specific status.
9.10 DMILCAP—DMI Link Capabilities
B/D/F/Type: 0/0/0/DMIBAR
Address Offset: 84–87h
Default Value: 00012C41h
Access: RO, RWO
Size: 32 bits
This register indicates DMI specific capabilities.
Bit Access
Default
Value
Description
15:2 RO 0000h Reserved
1RO1b
Virtual Channel 1 Negotiation Pending (VC1NP):
0 = The VC negotiation is complete.
1 = The VC resource is still in the process of negotiation (initialization or
disabling).
0 RO 0b Reserved
Bit Access
Default
Value
Description
31:18 RO 0000h Reserved
17:15 RWO 010b
L1 Exit Latency (L1SELAT): This field indicates the length of time this Port
requires to complete the transition from L1 to L0.
010 = 2 µs to less than 4 µs
All other encodings are reserved.
14:12 RWO 010b
L0s Exit Latency (L0SELAT): This field indicates the length of time this Port
requires to complete the transition from L0s to L0.
010 = 128 ns to less than 256 ns
All other encodings are reserved.
11:10 RO 11b Active State Link PM Support (ASLPMS): L0s & L1 entry supported.
9:4 RO 04h
Max Link Width (MLW): This field indicates the maximum number of lanes
supported for this link.
04h = x4
All other encodings are reserved.
3:0 RO 1h Max Link Speed (MLS): Hardwired to indicate 2.5 Gb/s.