[U-Boot] mx28: U-Boot fails to boot with VDD5V only power configuration

[Ankur Patel]

> Dear Friends,
>
> I'm bringing up a custom i.MX28 based board.  I'm having trouble bringing up the u-boot (version v2013.04) loader.  The > > Powersupply has been design as detailed in section 4.1.2.1 (VDD5V source only) of application note AN4199:
>
> http://www.freescale.com/files/32bit/doc/app_note/AN4199.pdf
> I am referring Patch L2.6.35_10.12_SDK_5V_SUPPLY_PATCH.tar.gz at freescale website which is for bootlets with VDD5V > only support. I have even applied the patch to bootlet code imx-bootlets-src-10.12.01.tar.gz which is working fine. 
> Based on the bootlet patch, I have modified the u-boot code but I couldn't able to boot. Please find the u-boot patch at > http://pastebin.com/VudxqTHQ 
> Can anyone please review it and share what is missing in the patch?
> Regards,
> Ankur

I am struggling to run u-boot spl with VDD5v. Please share if you need any debug information to analyse?

Regards,
Ankur.