From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
Subject: Re: [PATCH 4/4] amd/seattle: Initial revision of AMD
	Seattle support
Date: Wed, 1 Oct 2014 14:21:55 -0500
Message-ID: <542C5453.7040004@amd.com>
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To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "julien.grall@linaro.org" <julien.grall@linaro.org>, "ian.campbell@citrix.com" <ian.campbell@citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
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On 10/1/2014 5:10 AM, Stefano Stabellini wrote:
> On Wed, 1 Oct 2014, suravee.suthikulpanit@amd.com wrote:
>> From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
>>
>> This patch add inital (minimal) platform support for AMD Seattle,
>> which mainly just define the matching ID, and specify system_off,
>> and sytem_reset mechanism.
>>
>> Initially, the firmware only support a subset of PSCI-0.2 functions,
>> system-off and sytem-reset. The boot protocol is still using spin-table.
>
> In that case, aren't you missing
>
> cpu_up = cpu_up_send_sgi
>
> ?
>
> Or are you just going to assume that the firmware is going to be updated
> to support full PSCI 0.2?

I thought the platform_cpu_up() is only called from the 
arch/arm/arm32/smpboot.c. Is it also used for ARM64?

And yes, the firmware will support full PSCI-0.2 eventually.

Thanks,

Suravee