Tx fifo port reset ($0x620), For the – Intel IXF1104 User Manual
Page 207

Intel
®
IXF1104 4-Port Gigabit Ethernet Media Access Controller
207
Datasheet
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
2
FOE2
Port 2
0 = FIFO overflow event did not occur
1 = FIFO overflow event occurred
R
0
1
FOE1
Port 1
0 = FIFO overflow event did not occur
1 = FIFO overflow event occurred
R
0
0
FOE0
Port 0
0 = FIFO overflow event did not occur
1 = FIFO overflow event occurred
R
0
Table 136. Loop RX Data to TX FIFO (Line-Side Loopback) Ports 0 - 3 ($0x61F)
Bit
Name
Description
Type
1
Default
Register Description: This register enables data received from the line-side receive interface
through the MAC to be sent to the TX FIFO and back to the line-side transmit interface.
0x00000000
31:4
Reserved
Reserved
RO
0x0000000
3
Port 3 Line-Side
Loopback
0 = Disable line-side loopback
1 = Enable line-side loopback
R/W
0
2
Port 2 Line-Side
Loopback
0 = Disable line-side loopback
1 = Enable line-side loopback
R/W
0
1
Port 1 Line-Side
Loopback
0 = Disable line-side loopback
1 = Enable line-side loopback
R/W
0
0
Port 0 Line-Side
Loopback
0 = Disable line-side loopback
1 = Enable line-side loopback
R/W
0
1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No
clear; R/W/C = Read/Write, Clear on Write
Table 137. TX FIFO Port Reset ($0x620) (Sheet 1 of 2)
Bit
Name
Description
Type
1
Default
Register Description: This is a port reset register for each port in the TX block. Port ID = bit
position in the register. To make the port active, the bit must be set to Low. (For example, reset
of Port 3 implies register value = 1000, setting the bit to 1 asserts the port reset).
0x00000000
31:4
Reserved
Reserved
RO
0x0000000
3
Port 3 Reset
Port 3
0 = De-assert Reset
1 = Assert Reset
R/W
0
1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No
clear; R/W/C = Read/Write, Clear on Write
Table 135. TX FIFO Overflow/Underflow/Out of Sequence Event ($0x61E) (Sheet 2 of 2)
Bit
Name
Description
Type
1
Default
1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No
clear; R/W/C = Read/Write, Clear on Write