On 18/02/15 17:42, surya.satyavolu@sirabtech.com wrote:
I am trying to bring up xen suing u-boot that has this patch. Unfortunately as soon as the code tries to call _nonsec_init through secure_ram_addr in arm7_init_nonsec function in virt-v7.c I get an undefined instruction exception. I suspect the CONFIG_ARMV7_SECURE_BASE needs to be defined to a particular value. What should that be defined to for omap5432?
I'm afraid you're barking up the wrong tree.
TI, in its infinite wisdom, drops directly to *non-secure*. So, there is nothing you can actually do (maybe there's a way to go back to secure mode, but that's certainly not documented).
The consequence of the above is that you cannot implement PSCI on OMAP4/5. You'll have to add you own code to promote your CPUs to HYP (there is a secure call for this).
Good luck,
M.