ollie at lanl.gov
Thu Dec 18 11:12:00 CET 2003
On Wed, 2003-12-17 at 23:21, Devi Priya wrote:
> Thanks for ur suggestion.
> My flash is 4 MB. My processor can address up to 4 GB physical address
> space. That means after power-on, in shematic should I map the flash memory
> like 0xFFC00000-0xFFFFFFFF and
> 0x00000000-0x003FFFFF? 0r in upper address, is it enough to map the 256KB
> region to the Flash ie 0xFFFC0000-0xFFFFFFFF? and the lower address to
Are you building your own mainboard ? Usually this mapping stuff
is done by the southbridge or superio chip, you don't and can't
do anything about.
BTW, are you sure your flash is 4MByte instead of 4Mbits ?
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