Broadcom NetXtreme/NetLink BCM5718 Series

Table of ContentsBCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R Page 16
Device Reset Procedure .......................................................................................................................... 146
Device Closing Procedure....................................................................................................................... 147
Energy Efficient Ethernet
™
...................................................................................................................... 148
Section 8: IEEE1588 ........................................................................................................152
IEEE1588 Time Sync Introduction .......................................................................................................... 152
NetXtreme Time Sync Assist................................................................................................................... 152
Coexistence......................................................................................................................................... 152
PTP Link Delay Measurement............................................................................................................. 153
PTP Time Synchronization Messaging ............................................................................................... 153
Hardware Description .............................................................................................................................. 154
EAV Reference Clock/Counter............................................................................................................ 155
EAV Reference Corrector ........................................................................................................................ 156
Time Watchdogs ................................................................................................................................. 156
Divided EAV Reference Clock Output................................................................................................. 156
Transmit Time Stamping Service............................................................................................................ 157
Receive Time Stamp and Sequence ID Registers................................................................................. 158
Time Sync Registers................................................................................................................................160
GRC MODE REG [0x6800] ................................................................................................................. 160
EAV REF COUNT CAPTURE LSB REG [Offset 0x6900] ................................................................... 160
EAV REF COUNT CAPTURE MSB REG [Offset 0x6904] .................................................................. 160
EAV REF CLOCK CONTROL REG [Offset 0x6908]........................................................................... 161
EAV REF-COUNT SNAP-SHOT LSB[0] REG [Offset 0X6910] .......................................................... 162
EAV REF-COUNT SNAP-SHOT MSB[0] REG [Offset 0X6914] ......................................................... 162
EAV REF CORRECTOR REG [Offset 0x6928]................................................................................... 162
TX TIME STAMP LSB REG [Offset 0x05C0] ...................................................................................... 162
TX TIME STAMP MSB REG [Offset 0X05C4]..................................................................................... 163
RX TIME STAMP LSB REG [Offset 0X06B0] ..................................................................................... 163
RX TIME STAMP MSB REG [Offset 0x06B4] ..................................................................................... 163
RX PTP SEQUENCE ID REG [Offset 0X06B8] .................................................................................. 163
RX LOCK TIMER LSB REG [Offset 0x06C0]...................................................................................... 164
RX LOCK TIMER MSB REG [Offset 0x06C4]..................................................................................... 164
RX PTP CONTROL REG [Offset 0X06C8] ......................................................................................... 164
TX TIME WATCHDOG LSB[0] REG [Offset 0x6918].......................................................................... 165
TX TIME WATCHDOG MSB[0] REG [Offset 0x691C] ........................................................................ 165
TX TIME WATCHDOG LSB[1] REG [Offset 0x6920].......................................................................... 166
TX TIME WATCHDOG MSB[1] REG [Offset 0x6924]......................................................................... 166
EAV REF-COUNT SNAP-SHOT LSB[1] REG [Offset 0X6930] .......................................................... 166
EAV REF-COUNT SNAP-SHOT MSB[1] REG [Offset 0X6934] ......................................................... 167