[BULK] RE: [LinuxBIOS] FYI: AMD support for cache as ram.

Li-Ta Lo ollie at lanl.gov
Sat Jun 11 07:58:25 CEST 2005

On Fri, 2005-06-10 at 09:26 -0700, yhlu wrote:
> On 09 Jun 2005 23:27:26 -0600, Eric W. Biederman <ebiederman at lnxi.com>
> > Potentially.  It might simply be that we are reprogramming
> > top_mem or the iorrs to define what memory is and messing up the
> > early definition.
> It seems top_mem....I will double check that.
> > 
> > The trivial way is to include an asm directive at the beginning.
> > I had actually expected to use something like the init directive
> > that is used on the PPC, and let gcc generate the .o files.  At
> > that point a trivial linker script could place everything in .rom.text
> > and .rom.data if needed.
> That could be next step, in asm make it more easier to debug.
> Current I could not get out of auto.c, I guess i will
> 1. change cache_lbmem in raminit.c to 512k only
> 2. covert copy or decode in crt0.S to c and call directly after ram is
> initialized.
> 3. use init.o like Ollie wanted....and change to use new print_debug
> to printk_debug....
> > 
> > p.s.
> > 
> > Anyone know why I did not receive a copy of this message on the
> > mailing list?
> Stefan must leave your out of linuxbios list in openbios...

Did you do HT reset after CAR but before DRAM? In my old implementation,
HT reset will mess up CAR.

Li-Ta Lo <ollie at lanl.gov>
Los Alamos National Lab

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