On Sat, 2015-02-28 at 13:53 +0000, Marc Zyngier wrote: > > +ENTRY(psci_cpu_entry) > > + @ Set SMP bit > > + mrc p15, 0, r0, c1, c0, 1 @ ACTLR > > + orr r0, r0, #(1 << 6) @ Set SMP bit > > + mcr p15, 0, r0, c1, c0, 1 @ ACTLR > > + isb > > + > > + bl _nonsec_init > > + > > + adr r0, _psci_target_pc > > + ldr r0, [r0] > > + b _do_nonsec_entry > > +ENDPROC(psci_cpu_entry) > > I'd add a *big* comment at the top of this. ACTLR is implementation > dependent, and while sticking the SMP bit at this location is fairly > common among ARM cores, it is by no mean a strong guarantee (this is > not an architectural feature). > > I'd recommend making it override-able.
Tom R has a series which does something along those lines: https://patchwork.ozlabs.org/patch/431587/ I suppose it ought to be used here too one way or another. Ian. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
