Intel IXF1104 manual MDIO Soft Reset $0x506, CPU Interface $0x508, LED Control $0x509, Datasheet

IXF1104 4-Port Gigabit Ethernet Media Access Controller

Table 107. MDIO Soft Reset ($0x506)

Bit	Name	Description		Type1	Default
Register Description: Software-activated reset of the MDIO module.					0x00000000
31:1	Reserved	Reserved		RO	0x00000000
0	Software MDIO Reset	0 =	Reset inactive	R/W	0
		1 =	Reset active

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 108. CPU Interface ($0x508)

Bit	Name	Description		Type1	Default
Register Description: CPU Interface Endian select. Allows the user to select the Endian of					0x00000000
the CPU interface to allow for various CPUs to be connected to the IXF1104.
31:25	Reserved	Reserved		RO	0x00
		Reserved in Little Endian
24	CPU Endian	Valid in Big endian		R/W	0
		0 =	Little Endian
		1 =	Big Endian
23:1	Reserved	Reserved		RO	0x000000
		Reserved in Big Endian
0	CPU Endian Control	Valid in Little Endian		R/W	0
		0 =	Little Endian
		1 =	Big Endian

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

NOTE: Since the Endianess of the bus is unknown when writing to this register, write 0x01000001 to set the bit and 0x0 to clear it.

Table 109. LED Control ($0x509)

Bit	Name	Description	Type1	Default
Register Description: Global selection of LED mode.				0x00000000
31:2	Reserved	Reserved	RO	0x00000000
1	LED Enable	0 = Disable LED Block	R/W	0
		1 = Enable LED Block
		0 = Enable LED Mode 0 for use with SGS
0	LED Control	Thomson M5450 LED driver (Default)	R/W	0
		1 = LED Mode 1 for use with Standard Octal Shift
		register

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

Datasheet 189

Document Number: 278757

Revision Number: 007

Revision Date: March 25, 2004