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Fast boot solution

Are there ready fast boot solutions for dm355 and dm565?
I know, there is excellent article about improving boot time of Linux kernel: http://wiki.davincidsp.com/index.php/All_This_For_1_Second_Boot. I have some boot time improvement tips too. I interesting for ready source code, including u-boot, kernel, file system may be even demo applications improved for boot time. If there is no ready solution, I am ready to collect and integrate all exited tips for boot time improvements.