Hi Igor, thanks for your comments! Is there any solution, patch or workaround I can try to power on the 2nd CPU core in secure mode with mainline kernel?
Thanks and best regards Tobias > I'm afraid you're right. > Just after a bit of time researching and discussing with Stefan, seems > that we need to introduce two different wrappers for booting the > mainline kernel and downstream NXP kernel. > > * NXP kernel has legacy code to enable all cores, which works only when > running in secure mode. > * Mainline kernel, as you said before, does use PSCI for this, which > is provided by U-boot (which adds proper psci nodes to the linux > dtb on-fly before transferring control to the linux kernel entry point). > When we try to load it in secure mode, it continues running on the same > Secure PL1, and communication using SMC calling convention doesn't make > sense at this case. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot