> Is it possible to have complete code (RCW, PBI and UBoot) only in SPI ?
Yes.
You could find pre-built U-Boot SPI images in the QorIQ Linux SDK v2.0 PPCE5500 IMAGE ISO freely available at:
https://nxp.flexnetoperations.com/control/frse/download?agree=Accept&element=7726177
> Can I boot from SPI Flash alone without using any IFC memory ?
Yes.
> Also I am not able to program NOR flash of a new custom board based on T1024. What can be the reason ?
Please created separate question.
