Xilinx UG492 manual Tri-Mode Ethernet MAC Address Space, MAC Configuration and Statistics

Chapter 10: Configuration and Status

Tri-Mode Ethernet MAC Address Space

When the core is generated in “EDK pcore Format” for import into EDK and connection to the xps_ll_temac, the address space defined in this section is not included and the address space will return 0s for a read and all writes will be ignored.

When the core is generated in “Standard CORE Generator Format”, the address space of the Ethernet MAC is incorporated into the address space of the Ethernet AVB Endpoint core as illustrated in Figure 10-3. The Ethernet MAC Address space is then split into two sections:

•“MAC Configuration and Statistics”

•“MAC MDIO Registers”

MAC Configuration and Statistics

Table 10-17defines the statistic registers and configuration registers of the Tri-Mode Ethernet MAC core. These are listed with their assigned addresses. See the Tri-Mode Ethernet MAC User Guide (UG138) and the Ethernet Statistics User Guide (UG170) for additional descriptions of these registers.

Table 10-17:Tri-Mode Ethernet MAC and Ethernet Statistics

Configuration Registers

Address	Description
(PLB_base_address	A maximum of 64 configurable Ethernet MAC statistics registers can
+ 0x4000)	be accessed through the PLB interface (let the statistics registers be
to	numbered by STATISTIC_NUMBER, from 0 to 63). Each statistic
	returns a 64-bit counter value. Accordingly:
(PLB_base_address
+ 0x41FF)	Address of STATISTIC_NUMBER =
	(PLB_base_address + 0x4000 + [STATISTIC_NUMBER * 8])
PLB_base_address +	Receiver Configuration (Word 0)
0x5000
PLB_base_address +	Receiver Configuration (Word 1)
0x5200
PLB_base_address +	Transmitter Configuration
0x5400
PLB_base_address +	Flow Control Configuration
0x5600
PLB_base_address +	MAC Speed Configuration
0x5800
PLB_base_address +	Management Configuration
0x5A00

MAC Address Filter Registers

The Address Filter, optionally present in the Tri-Mode Ethernet MAC LogiCORE™ IP solution, must not used. Instead, new“Legacy MAC Header Filters” have been added to the Receiver Legacy Traffic path, which is capable of providing address recognition for eight unique MAC addresses. See “MAC Header Filter Configuration.”

100	www.xilinx.com	Ethernet AVB Endpoint User Guide
		UG492 July 23, 2010