Broadcom NetXtreme/NetLink BCM5718 Series

10h–1Fh Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 521
1Ah: Interrupt Status Register (Copper Side Only)
6 REMOTE FAULT RO 1 = link partner has detected remote fault
0 = link partner has not detected remote fault
0
5 PAGE RECEIVED RO
LH
1 = new link code word has been received
0 = new link code word has not been received
0
4 LINK PARTNER AUTO-
NEG. ABILITY
RO 1 = link partner is auto-negotiation able
0 = link partner is not auto-negotiation able
0
3 LINK PARTNER NEXT
PAGE ABILITY
RO 1 = link partner is next page able
0 = link partner is not next page able
0
2 LINK STATUS RO 1 = link pass
0 = link fail
0
1 PAUSE RESOLUTION –
RECEIVE DIR
RO 1 = enable pause receive
0 = disable pause receive
0
0 PAUSE RESOLUTION –
TRANSMIT DIR
RO 1 = enable pause transmit
0 = disable pause transmit
0
* Indicates the negotiated HCD when auto-negotiation complete = 1. Indicates the manually selected speed
and duplex mode when auto-negotiation enable = 0.
Bit Name RW Description Default
15 IP STATUS CHANGE
(register 1c shadow 5
bit 5 = 0)
RO
LH
1 = IP status changed since last read
0 = interrupt cleared
0
SD/ENERGY
DETECT CHANGE
(register 1c shadow 5
bit 5 = 1)
RO
LH
1 = filtered fiber signal detect (via en10b pin)
change or energy detect change since last read
0 = interrupt cleared
0
14 ILLEGAL PAIR SWAP RO
LH
1 = Illegal pair swap detected
0 = interrupt cleared
0
13 MDIX STATUS CHANGE RO
LH
1 = MDIX status changed since last read
(means that linkpulse or carrier was detected on
a different pair than previously detected)
0 = interrupt cleared
0
12 EXCEEDED HIGH
COUNTER THRESH.
RO 1 = value in one or more counters is above 32k
0 = all counters below 32k
0
11 EXCEEDED LOW
COUNTER THRESH.
RO 1 = value in one or more counters is above 128
0 = all counters below 128
0
10 AUTO-NEG. PAGE RX RO
LH
1 = page received since last read
0 = interrupt cleared
0
9 HCD NO LINK RO
LH
1 = negotiated HCD did not establish link
0 = interrupt cleared
0
Bit Name RW Description Default