On Sun, Dec 21, 2014 at 09:45:11AM +0000, Ian Campbell wrote: > Commit 8bc347e2ec17 "ARM: bootm: Allow booting in secure mode on hyp capable > systems" added the capability to select nonsec vs sec mode boot via an > environment var. > > There is a subtle gotcha with this functionality, which is that the PSCI nodes > are still created in the fdt (via armv7_update_dt->fdt_psci) even when booting > in secure mode. Which means that if the kernel is PSCI aware then it will fail > to boot because it will try and do PSCI from secure world, which won't work. > > This likely didn't get noticed before because the original purpose was to > support booting the legacy linux-sunxi kernels which don't understand PSCI. > > To fix expose boot_nonsec (renaming with armv7_ prefix) outside of bootm.c and > use from the virt-dt code. > > As well as avoiding the creation of the PSCI nodes we should also avoid > reserving the secure RAM, so do so. > > Signed-off-by: Ian Campbell <i...@hellion.org.uk> > Cc: Hans de Goede <hdego...@redhat.com> > Cc: Albert ARIBAUD <albert.u.b...@aribaud.net> > Cc: Tom Rini <tr...@ti.com> > Acked-by: Hans de Goede <hdego...@redhat.com>
Applied to u-boot/master, thanks! -- Tom
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