[PATCH] e500v2 36 bit large physical HID0[EN_MAS7_UPDATE]

[Aggrwal Poonam-B10812]

> -----Original Message-----
> From: Micha Nelissen [mailto:micha at neli.hopto.org]
> Sent: Wednesday, June 16, 2010 5:04 PM
> To: Aggrwal Poonam-B10812
> Cc: linuxppc-dev at lists.ozlabs.org
> Subject: Re: [PATCH] e500v2 36 bit large physical HID0[EN_MAS7_UPDATE]
> 
> Aggrwal Poonam-B10812 wrote:
> > Not sure of other platforms but on 85xx platforms on which I am
> > currently working u-boot does LAW and eLBC programming for 36bit
> > physical address. Hence possibly u-boot has to made aware of large
> > physical address space.
> > Please correct me if I am wrong.
> 
> Yes, I can understand this for SDRAM and local flash interface. For
> RapidIO we have (local) patches to pass the law address range in the
dtb.
> Perhaps also for PCI-express this might be done; U-boot has nothing to
> with these high speed interfaces (in our case at least).
You are correct , for PCIe and SRIO kinds of interfaces Linux reprograms
the address windows.
Thanks
Poonam
> 
> Micha