Re[2]: NOR memory driver fail with MMU enabled

[Alexander Shiyan]

...
> > I have a problem with NOR flash when enabling MMU.
> > Probably this happen due NOR start address is 0x0.
> > Should we a remap memory addresses same as we do it for kernel? 
> > Or can someone tell what could be the problem?
> 
> This is because the zero page is set to faulting so that you can
> catch NULL pointer exceptions. You could disable this (see
> vectors_init), but then you can't catch NULL pointer exceptions
> anymore. So the best you can do is use map_io_sections and map
> your flash to some free region, maybe like this:
> 
> map_io_sections(0x0, (void *)SZ_1M, SZ_32M);
> 
> Then register your flash flash with address 1M instead of 0x0.

Thanks Sascha, this has helped me.

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