LinuxBIOS in 512KB flash
Eric W Biederman
ebiederman at lnxi.com
Tue Oct 8 20:26:01 CEST 2002
"Hieu T. Tran" <htran at viosoft.com> 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
> (ROMTOP, ROMSIZE, PAYLOAD_SIZE) to position ROMTOP and
> 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
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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