[coreboot] memory

Stefan Reinauer stefan.reinauer at coreboot.org
Sat May 12 22:54:10 CEST 2012


On 5/12/12 1:43 AM, ali hagigat wrote:
> If the CPU wb (write back) cache is enabled for the memory range,
> ramstage() is OK. But CPU can not work with UC(uncached) memory type
> in Coreboot code. If i define the whole memory  un-cached right before
> jumping to ramstage code ( cbfs_and_run()), CPU does not execute
> C_start.S and it is actually restarted!
> Any clue or idea will be much appreciated.
>
It means your memory is misconfigured, but leaving the cache enabled 
hides this effect.

Stefan




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