[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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