[U-Boot] [PATCHv2 2/3] ARMv8/layerscape: Add FSL PPA support

[Zhiqiang Hou]

Hi York,

Sorry, I didn't touch the PSCI in u-boot and what works the PPA is doing, I just work on
integrating PPA to u-boot.

Hi Rod and Chenhui,

Can you help to answer the questions about the PSCI and PPA?

> -----Original Message-----
> From: york sun
> Sent: 2016年1月23日 4:05
> To: Zhiqiang Hou <Zhiqiang.Hou at freescale.com>; u-boot at lists.denx.de;
> albert.u.boot at aribaud.net; Mingkai.hu at freescale.com; Stuart Yoder
> <stuart.yoder at nxp.com>; leoli at freescale.com; prabhakar at freescale.com;
> bhupesh.sharma at freescale.com; Zhiqiang Hou <zhiqiang.hou at nxp.com>; Scott
> Wood <oss at buserror.net>
> Subject: Re: [PATCHv2 2/3] ARMv8/layerscape: Add FSL PPA support
> 
> On 01/21/2016 01:53 AM, Zhiqiang Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou at freescale.com>
> >
> > 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 <Zhiqiang.Hou at freescale.com>
> > ---
> > 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?
> 

Thanks,
Zhiqiang