Writing to the ACTLR register on Cortex a9

Hi, I am trying to modify the ACTLR register. But it is not possible because Linux kernel is booting in non-secure mode. For the same reason I cannot fix some errata by writing to the diagnostic register. I am using Snowball board. A very simple question I have: Is it possible to call secure mo

snowball board, problems with caching functions

Hi, We are porting some linux distro (developed at our university) to the Snowball board as a study assignment. Mostly it is just a minimalistic and striped version of Ubuntu with minimal set of drivers. We have some problem with cache on this board. Currently only one core is active. Also we a

U8500/Snowball how to release the second core from the trap?

Hi, I am trying to enable the second core (For test purposes I am running my code from u-boot). For that I wrote address of routine for the second core at address U8500_BACKUPRAM0_BASE + UX500_CPU1_JUMPADDR_OFFSET and 0xA1FEED01 at U8500_BACKUPRAM0_BASE + UX500_CPU1_WAKEMAGIC_OFFSET . But nothi