On Thu, Jun 12, 2014 at 10:26 PM, [email protected] <[email protected]> wrote:
> On Thu, Jun 12, 2014 at 10:20 AM, Chen-Yu Tsai <[email protected]> wrote:
>> On Thu, Jun 12, 2014 at 10:18 PM, [email protected] <[email protected]> 
>> wrote:
>>> Any ideas why the second CPU isn't booting?
>>>
>>> root@linaro-developer:/etc# dmesg | grep -i CPU
>>> [    0.000000] Booting Linux on physical CPU 0x0
>>> [    0.000000] Initializing cgroup subsys cpuset
>>> [    0.000000] Initializing cgroup subsys cpu
>>> [    0.000000] Initializing cgroup subsys cpuacct
>>> [    0.000000] CPU: ARMv7 Processor [410fc074] revision 4 (ARMv7), 
>>> cr=10c5387d
>>> [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
>>> instruction cache
>>> [    0.000000] PERCPU: Embedded 9 pages/cpu @ee7cc000 s12736 r8192 d15936 
>>> u36864
>>> [    0.000000] pcpu-alloc: s12736 r8192 d15936 u36864 alloc=9*4096
>>> [    0.000000] pcpu-alloc: [0] 0 [0] 1
>>> [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
>>> [    0.002235] CPU: Testing write buffer coherency: ok
>>> [    0.031818] /cpus/cpu@0 missing clock-frequency property
>>> [    0.031846] /cpus/cpu@1 missing clock-frequency property
>>> [    0.031858] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
>>> [    0.038881] CPU1: failed to boot: -38
>>> [    0.038926] Brought up 1 CPUs
>>> [    0.038941] CPU: All CPU(s) started in SVC mode.
>>> [    1.631337] ThumbEE CPU extension supported.
>>> [   15.298527] CPU1: failed to boot: -38
>>> root@linaro-developer:/etc#
>>
>> A20 SMP is enabled using PSCI. You'll need a u-boot branch with PSCI support.
>>
>> Hans' sunxi-devel does:
>> https://github.com/jwrdegoede/u-boot-sunxi/tree/sunxi-next
>
> For uboot I am on:
> https://github.com/jwrdegoede/u-boot-sunxi.git
> Branch sunxi

You need branch sunxi-next from Hans' repo.

Hopefully PSCI support will be merged upstream soon.

> Kernel is:
> https://github.com/jwrdegoede/linux-sunxi.git
> Branch sunxi-devel
>
> Maybe I don't have PSCI turned on somewhere?

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