Hi Rod and Chenhui,

Can you help to answer the questions about PSCI?

> -----Original Message-----
> From: Scott Wood [mailto:[email protected]]
> Sent: 2016年1月23日 4:09
> To: york sun <[email protected]>; Zhiqiang Hou <[email protected]>;
> [email protected]; [email protected]; [email protected];
> Stuart Yoder <[email protected]>; [email protected];
> [email protected]; [email protected]; Zhiqiang Hou
> <[email protected]>
> Subject: Re: [PATCHv2 2/3] ARMv8/layerscape: Add FSL PPA support
> 
> On Fri, 2016-01-22 at 20:05 +0000, york sun wrote:
> > On 01/21/2016 01:53 AM, Zhiqiang Hou wrote:
> > > From: Hou Zhiqiang <[email protected]>
> > >
> > > The FSL Primary Protected Application (PPA) is a software component
> > > loaded during boot which runs in TrustZone and remains resident
> > > after boot.
> > >
> > > Signed-off-by: Hou Zhiqiang <[email protected]>
> > > ---
> > > Tested on LS1043A RDB board
> > >
> >
> > I presume PSCI is implemented in PPA. How does the SMP boot flow
> > change with PPA? U-boot has to remain functional in the absence of PPA, 
> > right?
> >
> > Would it be possible to write a readme for PPA?
> 
> Also, how does the devicetree get updated to indicate the presence of PSCI?
> 

Thanks,
Zhiqiang
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