[LinuxBIOS] The purpose of linuxbios_init

Peter Stuge stuge-linuxbios at cdy.org
Wed Jun 6 15:24:29 CEST 2007

On Wed, Jun 06, 2007 at 09:09:45AM -0400, Ward Vandewege wrote:
> On Wed, Jun 06, 2007 at 08:04:54PM +0700, Darmawan Salihun wrote:
> > I see that it's to initializes motherboard-specific flash enable
> > sequence. However, the details is still too vague for me.
> Yeah, I think the idea is that if there is a lb_header, i.e. if
> this machine already runs LinuxBIOS, flashrom can figure out
> exactly which mainboard it is much more easily. For machines
> running a proprietary BIOS, this is much more difficult - you have
> to look at pci ids etc, and they are not always unique (vendors
> like to reuse them....).
> This is just my 10,000 feet view, without actually looking at that
> code ;)

Still spot on.

If there is LB in flash already, the mainboard model and flash enable
sequence is determined from that.

Note that this needs an override with -m if the LB chip is being
reflashed in a different board than it's intended to be used with.


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