From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vikram Narayanan <vikram186@gmail.com>
Date: Wed, 15 May 2013 22:46:27 +0530
Subject: [U-Boot] Unable to understand flow of U-Boot Code.
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Hello,

On 5/15/2013 3:35 PM, Rajdeep Vaghasia wrote:
> Hello,
>
> I am trying to understand the flow of U-boot code, but unable to get the
> complete link.

This question has been asked *innumerous* times in the list.
One sample from the archive
<http://lists.denx.de/pipermail/u-boot/2013-January/144950.html>

Dig in to the archives, you'll find more.

> I can not understand how the flow goes. In which sequence the code executes.

Do you have a board and a JTAG? If yes, just hook in the JTAG and load 
u-boot to see where it goes from the reset vector.

> So, please give me some reference, which can explain the complete flow of
> execution of U-Boot code.

Sorry, there is no such ready reckoner available which would give you 
the _complete_ flow.

Start with the README in the root folder.

Good luck,
Vikram