[U-Boot-Users] how to start linux with u-boot?

hi, I have successfully compiled u-boot-1.0.0 for my target board, and debbugged it by trace32.How can I debug u-boot to start linux? I do like this, I download u-boot to my target board and download linux at th same time on another SDRAM place. How to make right linux image? I have successfully done those step, make config; make dep; make Image. How u-boot start linux? where it call linux?

Best regards Dannel Zhang