Intel Arria 10 User Manual page 204

Addr
0x01
status
0x02:0x03
phy_identifier
0x04
dev_ability
0x05
partner_ability
® ®
Intel Arria 10 Transceiver PHY User Guide
204
Name
•
Bit [9]:
RESTART_AUTO_NEGOTIATION
to 1 to restart auto-negotiation.
The PHY clears the bit as soon as auto-negotiation is
restarted.
• The rest of the bits are reserved.
•
Bit [5]:
AUTO_NEGOTIATION_COMPLETE
"1" indicates that the auto-negotiation is completed.
•
Bit [3]:
AUTO_NEGOTIATION_ABILITY
"1" indicates that the PCS function supports auto-
negotiation.
•
Bit [2]:
LINK_STATUS
the link is lost. Value of 1 indicates that the link is
established.
• The rest of the bits are reserved.
The value set in the PHY_IDENTIFIER parameter.
Use this register to advertise the device abilities during
auto-negotiation.
•
Bits [13:12]:
— 00: No error.
— 01: Link failure.
— 10: Offline.
— 11: Auto-negotiation error.
•
Bits [8:7]:
— 00: No PAUSE.
— 01: Symmetric PAUSE.
— 10: Asymmetric PAUSE towards the link partner.
— 11: Asymmetric and symmetric PAUSE towards
the link device.
•
Bit [5]:
FD
• The rest of the bits are reserved.
The device abilities of the link partner during auto-
negotiation.
•
Bit [14]:
ACK
partner has received three consecutive matching
ability values from the device.
•
Bits [13:12]:
— 00: No error.
— 01: Link failure.
— 10: Offline.
— 11: Auto-negotiation error.
2. Implementing Protocols in Arria 10 Transceivers
Description
. Set this bit
. A value of
. A value of "0" indicates that
. Specify the remote fault.
RF
. Specify the PAUSE support.
PS
. Ensure that this bit is always set to 1.
. A value of "1" indicates that the link
. The remote fault.
RF
UG-01143 | 2018.06.15
Access HW Reset
Value
RWC 0
— —
RO 0
. A value of
RO 1
RO 0
— —
RO Value of
PHY_IDEN
TIFIER
parameter
— —
RW 00
RW 11
RW 1
— —
— —
RO 0
RO 0
continued...