FEC ethernet controller (of ColdFire and some i.MX CPUs)

modulename: fec.ko

configname: CONFIG_FEC

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>FEC ethernet controller (of ColdFire and some i.MX CPUs)
In linux kernel since version 2.6.12  
Say Y here if you want to use the built-in 10/100 Fast ethernet
controller on some Motorola ColdFire and Freescale i.MX processors.

source code:
drivers/net/ethernet/freescale/
selects
CONFIG_PHYLIB