[U-Boot] questions on SPL

[herbert]

Hi

I am very sorry to ask this simple question. I read a lot of document 
and googled online, but I still feel puzzled by the SPL of U-Boot.


I has an ancient SoC s3c2440 which is armv4t architecture. s3c2440 will 
copy the first 4K code on NAND to static SRAM. It is obvious that u-boot 
bin is bigger than 4K. so Here is my question:

1. In this condition, do I must compile a SPL bin？ and flash it to the 
first page of NAND flash. if it's, I think the SPL should be less than 
4K, or it's meaningless, It still need to copy remain content, and has 
no difference with a single u-boot.

2. can I only compile a regular u-boot and do copy work and relocate 
work at this single u-boot. namely, merge SPL and regular u-boot, does 
u-boot support this framework?


thanks very much!

 From 袁建鹏 (Yuan Jianpeng)