SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Table 12-2468 is used when the PCIe/M-PCIe core is configured to be operating in PCIe mode.
Table 12-2468 provides the encoding of the LTSSM states on the LTSSM_STATE output of the core, as well the state read from the Physical Layer Configuration Register 0.
LTSSM State Name | Value (hex) |
---|---|
Detect.Quiet | 00 |
Detect.Active | 01 |
Polling.Active | 02 |
Polling.Compliance | 03 |
Polling.Configuration | 04 |
Configuration.Linkwidth.Start | 05 |
Configuration.Linkwidth.Accept | 06 |
Configuration.Lanenum.Accept | 07 |
Configuration.Lanenum.Wait | 08 |
Configuration.Complete | 09 |
Configuration.Idle | 0A |
Recovery.RcvrLock | 0B |
Recovery.Speed | 0C |
Recovery.RcvrCfg | 0D |
Recovery.Idle | 0E |
L0 | 10 |
Rx_L0s.Entry | 11 |
Rx_L0s.Idle | 12 |
Rx_L0s.FTS | 13 |
Tx_L0s.Entry | 14 |
Tx_L0s.Idle | 15 |
Tx_L0s.FTS | 16 |
L1.Entry | 17 |
L1.Idle | 18 |
L2.Idle | 19 |
L2.TransmitWake | 1A |
Disabled | 20 |
Loopback.Entry (Master) | 21 |
Loopback.Active (Master) | 22 |
Loopback.Exit (Master) | 23 |
Loopback.Entry (Slave) | 24 |
Loopback.Active (Slave) | 25 |
Loopback.Exit (Slave) | 26 |
Hot Reset | 27 |
Recovery.Equalization, Phase 0 | 28 |
Recovery.Equalization, Phase 1 | 29 |
Recovery.Equalization, Phase 2 | 2A |
Recovery.Equalization, Phase 3 | 2B |