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Subject: Re: [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic Meson GXBaby
To: Sudeep Holla <sudeep.holla@arm.com>, linux-meson@googlegroups.com
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From: =?UTF-8?Q?Andreas_F=c3=a4rber?= <afaerber@suse.de>
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Am 01.03.2016 um 15:43 schrieb Sudeep Holla:
> On 29/02/16 23:44, Andreas Färber wrote:
>> +    psci {
>> +        compatible = "arm,psci";
> 
> Any particular reason why PSCI v0.2 or above is not supported on this
> platform. PSCI v0.1 is very old now and I assume this platform is
> relatively new.

I am not affiliated with Amlogic or Tronsmart, so I cannot answer why.

>> +        method = "smc";
>> +        cpu_suspend = <0xc4000001>;
>> +        cpu_off = <0x84000002>;
>> +        cpu_on = <0xc4000003>;
>> +        migrate = <0xc4000005>;
> 
> Atleast the functions ids look like v0.2 or above. So check if it's
> actually v0.2 or above

If you let me know how! Just change the compatible string to -0.2 and
wait for some big boom or watch out for any misbehavior in particular?
Are there any memory locations to check the version or something visible
in U-Boot source code indicating it?

Regards,
Andreas

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