LinuxBIOS in 512KB flash

Eric W Biederman ebiederman at
Tue Oct 8 20:26:01 CEST 2002

"Hieu T. Tran" <htran at> writes:

> We're working to port LinuxBIOS to a via 133 platform
> with a 512KB boot flash.  We believe that the flash is
> wired such that on reset, 0xFFFF0 is mapped to 0x7FFF0
> on the flash, which is slightly below 512KB on the flash.

That sounds correct.
Though I would normally use the mapping at: 0xFFFFFFF0 
and not even mess with the legacy stuff.

> We have been trying various config file settings
> reset_vector accordingly without much success.  Simply
> getting a larger flash wont help since the board will
> only recognize the first 512KB.  Has anyone solved this
> problem?  

What exact problem are you having?  When you build romimage
it always places the entry point at the end of the rom.


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