Booting process & memory layout.

Oleg Gusev
Fri Mar 12 15:45:41 CET 2004

> Sorry. I though there was something at physical 0. Usually there's
> the boot rom at 0.

In the current code the mtd  driver 'ioremaps' the boot rom to
some address, i don't actually know which.

>BTW: the ARM device I'm running today oppses when reading at offset 0
>in /dev/mem, but it returns good data when using mmap() instead. I can
>successfully read the boot flash.

/dev/mem driver doesn't use mmap(). It makes copy_to_user(__va(p)).


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