Motorola MPC5200 - Manual (Page 23)

MPC5200 FEC Device Driver KADAK M5200E-1
MPC5200 FEC Ethernet
Device Driver Data Sheet
Filename M5200E.C , M5200E.H , M5200EBS.C
Mnemonic M5200
Description The KwikNet MPC5200 FEC Ethernet Device Driver supports the use of
the MPC5200 Fast Ethernet Channel (FEC) for 10Mbps or 100Mbps
Ethernet communication. The driver depends upon the BestComm DMA
Engine for transmission and reception of Ethernet frames via the FEC.
The driver is provided ready for use on the Motorola Lite5200 Evaluation
Board.
Configure This device driver includes a number of low level configurable parameters
which can only be adjusted by editing the definitions in the driver source
module
M5200E.H . The default values and editing instructions are
included in the file. These parameters control the following features:
•
IP (system) bus clock frequency
•
Include support for effects of data caching
•
Adjust transmit inactivity timeout
•
Select PHY initialization strategy
•
Minimum number of transmit and receive buffers
•
Support the enforcement of
n -byte alignment of receive buffers
•
Support the enforcement of
n -byte alignment of transmit buffers