Matthew Bloch wrote: > Corey Osgood wrote: > >> Matthew Bloch wrote: >> >>> Corey Osgood wrote: >>> [snip] >>> >>> >>>> This is exactly as it says. In src/mainboard/via/epia-m/Config.lb, there >>>> should be an XIP_ROM_SIZE and XIP_ROM_BASE, the base must be a multiple >>>> of the size. I had a bit of trouble working around this myself at one >>>> point, I think I determined that I just couldn't have a VGA rom and only >>>> the fallback boot, having both seemed to straighten things out. >>>> >>>> >>> So just to be clear we officially have no idea how to make a VGA BIOS as >>> detailed in the HOWTO any more :) Using the Config.vga.filo gives the >>> same error, so I'll give up on VGA as well. >>> >>> >> What I meant was I needed normal+fallback+vga, that did the trick for me >> at the time, but I can't recall why. For some reason having a fallback >> image size of 256k - vgarom size screwed up the XIP size calculation, >> perhaps because the vga rom wasn't exactly 64k? >> > > Do you have a working Config.lb I could look at? >
Sorry, no. It was for a pcchips board with the same chipset that I never got going. I don't think I have the code any more. > [snip] > >> Fallback can be for any variety of things. For example, you could set it >> up so that there's no or reduced serial output during a normal boot, but >> a full spew during fallback, or else you could use a different payload >> for fallback. >> > > Ah okay, under what circumstances does the fallback run? > IIRC, 3 sequential reboots or one failed boot by the normal image. > [snip] > >> There may be some sort of flash protection in place, check your vendor >> bios for a "Flash protect" option. I have this on my jetway and it gives >> the same effect, but via's a whole different beast. Does the vendor bios >> still verify? Peter Stuge should know more, hopefully he'll jump in soon. >> > > I cut & pasted this program: > http://linuxbios.org/pipermail/linuxbios/2004-March/007257.html > and it seems to have flashed without trouble (both the program itself > and flashrom said the new BIOS was verified, hooray). > Good find! This should get into flashrom. > Despite my earlier test I'm hesitant to reboot as I've no backstop in > case I brick it - will review my options for recover, possibly purchase > a backup chip and pop back in a few days :) > > cheers, > Yeah, that's definitely the best practice. There's really no option for recovery if something goes wrong, except to hotswap and flash the chip in another system. -Corey -- linuxbios mailing list [email protected] http://www.linuxbios.org/mailman/listinfo/linuxbios
