On 22/12/13 12:57, Hans de Goede wrote:
Hi,
On 12/22/2013 12:21 AM, Michal Suchanek wrote:
Actually sun7i smp conflicts badly with the sun6i smp .. so a stab at
a merge:
https://github.com/hramrach/linux-sunxi/commits/sunxi-next
Compile tested.
Actually the plan for A20 going forward is to have u-boot implement
PSCI and use that, the problem of the parent post is likely that he does
not
have CONFIG_ARM_PSCI=y in his kernels .config. The reason for this is that
this is necessary to properly enable HYP mode on the cpu-cores, which we
want to be able to do hardware virtualization.
WRT I'm a bit surprised that Maxime does have SMP support for A31 in his
tree
to get merged upstream, as the A31 should be the same story, it has Cortex
A7 cores which can do HYP mode too.
I've been testing this on my Cubietruck and your current devel tree
seems to be missing the dts changes from this commit.
https://github.com/hramrach/linux-sunxi/commit/8b5c1d5e7bbd71cf36535dc11578d9387af003b0
If I boot an rc5 kernel with a dtb from rc5 then I get usb but only 1
CPU (other fails to boot error -38), it I boot with a dtb from rc3 I get
both cpus but no USB.
If I apply the linked patch then I get both CPUs and USB.
--
Tim Fletcher <[email protected]>
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