[BULK] RE: [LinuxBIOS] FYI: AMD support for cache as ram.
YhLu
YhLu at tyan.com
Sat Jun 11 08:02:25 CEST 2005
YES
LinuxBIOS-1.1.8_s2891_Fallback Fri Jun 10 22:56:51 PDT 2005 starting...
(0,1) link=01
(1,0) link=00
02 nodes initialized.
SBLink=00
NC node|link=00
NC node|link=02
busn=06
ht reset -
LinuxBIOS-1.1.8_s2891_Fallback Fri Jun 10 22:56:51 PDT 2005 starting...
(0,1) link=01
(1,0) link=00
02 nodes initialized.
SBLink=00
NC node|link=00
NC node|link=02
busn=06
SMBus controller enabled
Ram1.00
Ram1.01
Ram2.00
Ram2.01
Ram3
Initializing memory: done
Initializing memory: done
Ram4
Clearing initial memory region:
No cache as ram now -
Use Ram as Stack now -
> -----Original Message-----
> From: Li-Ta Lo [mailto:ollie at lanl.gov]
> Sent: Friday, June 10, 2005 10:58 PM
> To: yhlu
> Cc: Eric W. Biederman; YhLu; Ronald G. Minnich; Stefan
> Reinauer; LinuxBIOS
> Subject: Re: [BULK] RE: [LinuxBIOS] FYI: AMD support for cache as ram.
>
> 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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