On Thu, Apr 30, 2009 at 01:14:46PM +0200, Kevin D. Kissell wrote:
> Manuel Lauss wrote:
> > Hi,
> >
> > This is really embarrassing: The oops is what happens when you
> > ioremap(0x10) and write 0xffffffff at the resulting address (0xa0000010).
> >
> This pretty much implies that _CACHE_UNCACHED was passed in the flags
> value to ioremap, so it simply returned the kseg1 address. By any
uncached is default for plain ioremap(), says io.h:
#define ioremap(offset, size) \
__ioremap_mode((offset), (size), _CACHE_UNCACHED)
Apparently one can ioremap everything on mips except RAM in use at
0x8xxxxxxxx.
Manuel Lauss
