[U-Boot-Users] AMCC PPC440EPx/sequoia stability question...
Josh Boyer
jwboyer at linux.vnet.ibm.com
Thu Apr 24 14:00:06 CEST 2008
On Thu, 2008-04-24 at 06:36 +0200, Stefan Roese wrote:
> On Thursday 24 April 2008, Josh Boyer wrote:
> > > Please note that I recently introduced a CFG_MEM_TOP_HIDE option for the
> > > 440EPx CHIP 11 errata. I suggest you take a look at this too and see if
> > > this changes your behavior.
> >
> > Explain this a bit more please? Is a kernel change needed here?
>
> This depends. When the bootwrapper version is used then yes, the kernel should
> get changed. This is because the bootwrapper detects the SDRAM size from the
> DDR2 controller and passes it to Linux.
>
> Without bootwrapper no changes are needed, since U-Boot already passes the
> corrected memory size to Linux (totalsize-4k currently).
Hm. Given that AMCC ships the boards with an older U-Boot that requires
cuImages, I think we'll need to patch the wrapper. Does 440GRx share
this same errata? I would think so.
josh
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