[U-Boot] [PATCH] vxworks: fixed cpu enable using PSCI on armv8

[Vasyl Vavrychuk]

Hi Bin,

On Sun, Apr 1, 2018 at 4:51 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
>
> Why I mentioned the 'bootm' command, is that AFAIK the only official
> way of booting a VxWorks 7 ARM kernel is to use 'bootm'. Are you
> saying that 'bootm' command does not work on your Intel Stratix 10
> DevKit board? If that's the case, we have something to fix.
>
> Having said that, having 'bootvx' to support booting a 64-bit VxWorks
> 7 ARM kernel is a nice to have.
Yes, there is the same issue with bootm for ARMv8. It works but only
one CPU core is enabled.

>>>
>>> > +#if defined(CONFIG_ARM64) && defined(CONFIG_ARMV8_PSCI)
>>> > +       armv8_setup_psci();
>>> > +       smp_kick_all_cpus();
>>>
>>> What about ARMv8 32-bit?
>> Do you mean ARMv8 32-bit U-Boot or ARMv8 32-bit VxWorks under ARMv8
>> 64-bit U-Boot?
>>
>
> I meant to say ARMv8 32-bit U-Boot. I am not sure if 32-bit U-Boot can
> load a 64-bit VxWorks kernel..

Is ARMv8 32-bit U-Boot supported?

>
> I was trying to understand the reason of modifying this as I believe 'bootm'
> should work out of the box.
I will submit patch for bootm command in the next email.

Kind regards,
Vasyl