Altera Arria 10 Avalon-MM User Manual
Page 91
Byte Offset
Register
Dir
Description
• 00101: Polling.Speed
• 00110: config.Linkwidthstart
• 00111: Config.Linkaccept
• 01000: Config.Lanenumaccept
• 01001: Config.Lanenumwait
• 01010: Config.Complete
• 01011: Config.Idle
• 01100: Recovery.Rcvlock
• 01101: Recovery.Rcvconfig
• 01110: Recovery.Idle
• 01111: L0
• 10000: Disable
• 10001: Loopback.Entry
• 10010: Loopback.Active
• 10011: Loopback.Exit
• 10100: Hot.Reset
• 10101: LOs
• 11001: L2.transmit.Wake
• 11010: Speed.Recovery
• 11011: Recovery.Equalization, Phase 0
• 11100: Recovery.Equalization, Phase 1
• 11101: Recovery.Equalization, Phase 2
• 11110: recovery.Equalization, Phase 3
14'h3C68
current_speed_reg[1:0]
O
Indicates the current speed of the PCIe link. The
following encodings are defined:
• 2b’00: Undefined
• 2b’01: Gen1
• 2b’10: Gen2
• 2b’11: Gen3
14'h3C6C
lane_act_reg[3:0]
O
Lane Active Mode: This signal indicates the number
of lanes that configured during link training. The
following encodings are defined:
• 4’b0001: 1 lane
• 4’b0010: 2 lanes
• 4’b0100: 4 lanes
• 4’b1000: 8 lanes
UG-01145_avmm
2015.05.14
Control Register Access (CRA) Avalon-MM Slave Port
6-25
Registers
Altera Corporation