Re: 1 GB RAM with RM9000 SOC

[David Daney <ddaney@caviumnetworks.com>]

Anoop P.A. wrote:
> Hi David,
>
> Thanks for the info. In which version of LMO kernel , I could find your
> working source ?.
I think it was added in 2.6.29

David Daney


> Thanks
> Anoop
>
> > -----Original Message-----
> > From: David Daney [mailto:ddaney@caviumnetworks.com]
> > Sent: Monday, January 25, 2010 10:45 PM
> > To: Anoop P.A.
> > Cc: linux-mips@linux-mips.org
> > Subject: Re: 1 GB RAM with RM9000 SOC
> >
> > Anoop P.A. wrote:
> > > Hi list,
> > >
> > >
> > >
> > > Any of you successfully used >512MB ram with MIPS SOC's.
> > Does Cavium Octeon count as a MIPS SOC?  If so, then yes.
> >
> > I have many boards with both 2GB and 4GB.  All of them Linux just fine
> > when using all available RAM.
> >
> > > I have a
> > > requirement where I have to use 1 GB ram with RM9000 based SOC.
> > >
> > > I have enabled 64 Bit support and so far it is working with 512 MB
> of
> > > RAM. How ever if I increase memory beyond 512MB I am getting kernel
> > > panic.
> > >
> > >
> > >
> > >  I am adding memory region from 0x00 add_memory_region(0 ,0x40000000
> ,
> > > BOOT_MEM_RAM). (PMON maps RAM from 0x0 to 0x40000000)  Am I wrong
> here?
> > > It will be great if you can give some suggestion /point me to a
> working
> > > implementation. I am using 2.6.18 kernel.
> > >
> > >
> > >
> > > Thanks
> > >
> > > Anoop