EP80579 Datasheet, PDF (1262/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
35.7.1 Register Details
Table 35-37. Bus M, Device 0, Function 0: Gigabit Ethernet MAC I/O Spaces Registers
Offset Start Offset End
Register ID - Description
0000h
0004h
0003h
0007h
“Offset 0000h: IOADDR - IOADDR Register” on page 1263
“Offset 0004h: IODATA - IODATA Register” on page 1264
Default
Value
0000000h
0000000h
Table 35-38. Bus M, Device 1, Function 0: Gigabit Ethernet MAC I/O Spaces Registers
Offset Start Offset End
Register ID - Description
0000h
0004h
0003h
0007h
“Offset 0000h: IOADDR - IOADDR Register” on page 1263
“Offset 0004h: IODATA - IODATA Register” on page 1264
Default
Value
0000000h
0000000h
Table 35-39. Bus M, Device 2, Function 0: Gigabit Ethernet MAC I/O Spaces Registers
Offset Start Offset End
Register ID - Description
0000h
0004h
0003h
0007h
“Offset 0000h: IOADDR - IOADDR Register” on page 1263
“Offset 0004h: IODATA - IODATA Register” on page 1264
Default
Value
0000000h
0000000h
.
Table 35-40. Gigabit Ethernet MAC I/O IOBAR Register Summary
Offset
Mnemonic
Name
RW
Internal register or internal memory address.
00h - 03h
IOADDR
0000_0000h - 0001_FFFFh: Internal Registers/Memories
RW
0002_0000h - FFFF_FFFFh: Undefined
04h - 07h
Data field for reads or writes to the Internal Register or Internal Memory as
IODATA identified by the current value in IOADDR. All 32 bits of this register are read/ RW
write-able.
08h - 3Fh Reserved Reserved
N/A
Size
4 Byte
4 Byte
N/A
35.7.1.1
Offset 0000h: IOADDR - IOADDR Register
The IOADDR register specifies the structure within a GbE device that should be
accessed on reads or writes to the IODATA register (see Section 35.7.1.2, “Offset
0004h: IODATA - IODATA Register” on page 1264).
Intel^® EP80579 Integrated Processor Product Line Datasheet
1262
August 2009
Order Number: 320066-003US