[coreboot] v3 stage2 running from flash

ron minnich rminnich at gmail.com
Wed Dec 24 05:59:24 CET 2008

On Tue, Dec 23, 2008 at 8:40 PM, Corey Osgood <corey.osgood at gmail.com> wrote:
> John Kollasch just pointed out to me that it looks like the reason the cn700
> is booting so slowly (>15min) could be that it's running out of flash. I've
> also noticed this:
> LAR: Attempting to open 'normal/stage2/segment0'.
> LAR: Start 0xfff00000 len 0x100000
> LAR: seen member normal/option_table at 0xfff00000, size 932
> LAR: seen member normal/initram/segment0 at 0xfff00400, size 6216
> LAR: seen member normal/stage2/segment0 at 0xfff01ca0, size 1
> With a 1MB flash part, so 0xfff00000 is the ROM. Is this how it's supposed
> to work, and if not, how do we fix it?

I think the problem is you are not caching flash or anything else for
that matter.

I wonder if moving mtrr out of stage0 was the right move?

initram has to run from flash. It is execute in place. Stage2 is
copied to dram.


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