[U-Boot] how compilor know where .text section starts from?

[hank.peng]

Hi, everybody:
I am new to uboot and reading source code, I have a question: how does
compilor know where .text section starts from?
For example, I am using MPC8548CDS, document says .text section begins
from 0xfff8000, but I haven't find this value in u-boot.lds?
So it must be specified in some other place, right?

-- 
The simplest is not all best but the best is surely the simplest!