SerDes PHY Register Definitions
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 548
To access block 0, 2 or 3, write to the block number into the Block Address register at address 0x1F (reserved
on each block).
Register Map
Table 125: GbE Port Internal PHY Register Map
Address
Block
Register Name
Description
00h
0
MII CONTROL
MII Control Register
01h
0
MII STATUS
MII Status Register
02h
0
PHY ID MSB
PHY_Identifier_MSB_Register
03h
0
PHY ID LSB
PHY_Identifier_LSB_Register
04h
0
AUTONEGADV
Auto-Negotiation advertisement register
05h
0
AUTONEG LINK PARTNER ABILITY Auto-Negotiation Link Partner Ability
06h
0
AUTONEGEXPANSION
Auto-Negotiation Expansion register
07h–0Eh 0
–
Reserved
0Fh
0
EXTENDEDSTATUS
Extended Status register
10h
0
1000XCONTROL1
1000XControl 1 register
11h
0
1000XCONTROL2
1000XControl 2 register
12h
0
1000XCONTROL3
1000XControl 3 register
14h
0
1000XSTATUS1
1000XStatus 1 register
15h
0
1000XSTATUS2
1000XStatus 2 register
16h
0
1000XSTATUS3
1000XStatus 3 register
17h
0
–
Reserved
18h
0
GE_PRBS_CONTROL
Enable PRBS test mode
19h
0
GE_PRBS_STATUS
PRBS test mode status
1Ah–1Eh 0
–
Reserved
10h
2
FXCONTROL1
100FX Enabling Control register
11h
2
FXCONTROL2
100FX Extended Packet Size register
12h
2
FXCONTROL3
100FX Control register
13h
2
FXSTATUS1
100FX Link Status register
14h–1Eh 2
–
Reserved
10h
3
ANALOG_TX1
Analog transmitter output for the SerDes when
it is in SGMII mode.
11h
3
ANALOG_TX2
Analog transmitter2 output for the SerDes when
it is in SGMII mode.
12h
3
ANALOG_TXAMP
Analog transmitter output for the SerDes when
it is in FX (Fiber) mode.
13h
3
ANALOG_RX1
Controlling the SerDes receiver
14h
3
ANALOG_RX2
100FX Test Mode
18h
3
ANALOG_PLL
Controlling the GE PLL circuitry
1Fh
-
BLOCKADDRESS
Block address register