JFFS2 on 8MB Flash-Chip conneted to MPC850 works extremly slow:(
joakim.tjernlund at lumentis.se
Wed Aug 29 06:15:33 EDT 2001
> krom at dgt-lab.com.pl said:
> > > The erase of unclean sectors is done in the background after the mount
> > > has finished. One day we'll get round to fixing the drivers so that we
> > > don't busy-wait for erases to complete either.
> > Please anonuce it on the list.
> It won't make your mount any faster. You have a sane CPU which can handle
> having both a cached and uncached mapping of a physical region -
> try doing
> that in your map driver (see ocelot.c for inspiration) and see if
> it helps.
Is this(both a cached and uncached mapping)possible on an MPC860?
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