[LinuxBIOS] flash issue with AMD Ref board
YhLu
YhLu at tyan.com
Thu May 12 20:20:41 CEST 2005
some GPIO need to be enabled. I guess.
You need to check the schematic in AMD NDA web site to find out which GPIO
control that.
YH
> -----Original Message-----
> From: beneo [mailto:beneo at comcast.net]
> Sent: Thursday, May 12, 2005 10:57 AM
> To: Ronald G. Minnich
> Cc: linuxbios at openbios.org; YhLu
> Subject: Re: [LinuxBIOS] flash issue with AMD Ref board
>
>
> Ron,
>
> I was also thinking if the AMD senanade board has some
> special hardware to protect eeprom write. but after I tried
> to boot with AMI BIOS into Linux and use same flash_and_burn
> utility to flash LinuxBIOS into the EEPROM sucessufully, I
> started to be convienced there are some setup issue within
> LinuxBIOS caused this.
>
> I spent sometime to check 8111 southbridge, but I couldn't
> find anything there.
>
> Is that possible some setting in the Opteron that prevent
> write access to the EEPROM address be passed down
> southbridge? I'm not farmilar with the Opteron NB and CPU,
> if you guys can give me some pointers, that would help me a lot.
>
> I don't have a scope now, I will see if I can get one.
>
> Thanks
>
> beneo
>
> ----- Original Message -----
> From: "Ronald G. Minnich" <rminnich at lanl.gov>
> To: "beneo" <beneo at comcast.net>
> Cc: <linuxbios at openbios.org>; "YhLu" <YhLu at tyan.com>
> Sent: Thursday, May 12, 2005 7:51 AM
> Subject: Re: [LinuxBIOS] flash issue with AMD Ref board
>
>
> > the flash problem: this sounds more to me like an enable
> line that has
> > been added for FLASHWR.
> >
> > Beneo, do you have a scope? it is often useful to put a
> scope on the WR
> > line and see if it is toggling.
> >
> > ron
> >
> >
> > _______________________________________________
> > LinuxBIOS mailing list
> > LinuxBIOS at openbios.org
> > http://www.openbios.org/mailman/listinfo/linuxbios
>
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