[U-Boot] Secure memory

[York Sun]

On 11/06/2015 02:10 PM, York Sun wrote:
> Albert,
> 
> I am trying to separate secure memory and non-secure memory for ARMv8. Before I
> go too far, I'd like to check with you to see if there is already some code
> implemented.
> 
> Basically what I am trying to do is to mark most DDR memory non-secure because
> we have some non-secure masters such as SDHC DMA. I also want to reserve some
> memory for TrustZone application. In order to do that, I need to put the MMU
> tables in secure memory. I will need to modify common/board_f.c to process
> reserve_mmu() differently for secure and non-secure mode.
> 
> Please let me know if running u-boot in non-secure mode is a bad idea.
> 

I didn't hear from you so I went ahead to implement the change. Please review
the patches, coming soon.

York