On Thursday 23 April 2009, Josh Boyer wrote: > On Thu, Apr 23, 2009 at 09:36:12AM -0400, Steven A. Falco wrote: > >There is an error in the way ibm4xx_denali_fixup_memsize calculates > >memory size. When testing the DDR_REDUC bit, the polarity is > >backwards. A "1" implies 32-bit wide memory while a "0" implies > >64-bit wide memory. > > > >For a 32-bit wide system, this bug causes twice the memory to be > >reported, leading to boot failure. > > > >Signed-off-by: Steven A. Falco <sfa...@harris.com> > > So we had a previous patch for this, and a very long discussion on what the > right solution was. Either we never came to a resolution, or I have just > forgotten what it was. > > Stefan, Valentine, do either of you remember?
Not really, sorry. Must be longer than 2 weeks ago, so it's already flushed from my cache. :) > IIRC, it wasn't something > that effected Sequoia or Rainier, but it could (and obviously does) effect > custom boards. I don't remember what we agreed on for the proper fix. It would effect all 32-bit wide 440EPx/GRx boards using the boot wrapper. I never used the wrapper on those platforms though. Sorry, I don't remember the outcome of the discussion either. Thanks, Stefan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
