TVME8300 User Manual Issue 1.4
Page 37 of 70
7 Ethernet
Interface
The Intel 82551ER Fast Ethernet Controller is used for the TVME8300 Ethernet interface.
The 82551ER is accessible on the TVME8300 PCI bus (device number 14).
The 82551ER INT# interrupt output is mapped to serial channel no. 2 of the MPC8245 PIC.
The 82551ER is reset by a PCI reset.
Please refer to the 82551ER manual for a detailed description of the 82551ER Fast Ethernet
Controller.
7.1
82551ER PCI Header
PCI Configuration Register
Offset
31 - 24
23 - 16
15 - 08
07 - 00
Setting
0x00
Device ID
Vendor ID
0x1209_8086
0x04 Status
Command
0x0290_0007
0x08
Class Code
Revision ID
0x0200_00xx
0x0C BIST
Header Latency
Cache
Line
0x0000_xx00
0x10
PCI Base Address 0
(Memory Mapped Configuration Register)
0xFFFF_F000
(1)
(4 Kbyte)
0x14
PCI Base Address 0
(I/O Mapped Configuration Register)
0xFFFF_FF81
(1)
(64 Byte)
0x18
PCI Base Address 0
(Memory Mapped FLASH Space)
0xFFFE_0000
(1)
(128 Kbyte)
0x1C Reserved 0x0000_0000
0x20 Reserved 0x0000_0000
0x24 Reserved 0x0000_0000
0x28 Reserved 0x0000_0000
0x2C
Subsystem ID
Subsystem Vendor ID
0x1209_8086
0x30
Expansion ROM PCI Base Address
0x0000_0000
0x34 Reserved Cap.
Pointer
0x0000_00DC
0x38 Reserved 0x0000_0000
0x3C Max_Lat
Min_Gnt Interrupt
Pin Interrupt
Line 0xxx08_0100
0xDC
Power Management Cap.
Next Cap.
Cap. ID
0x7E22_0001
0xE0
Reserved
Data
Power Management CSR
0x4B00_4000
(1)
Read back Value after writing all 1's.
Figure 7-1 : 82551ER PCI Header