uncached user space mapping with mmap() ???
dan at embeddededge.com
Fri Mar 5 04:00:17 EST 2004
Steven Scholz wrote:
> How could I do this on an MPC8xx?
Open /dev/mem and just map the physical address of your
registers. You don't even need your own driver. If you
are mapping outside of the range of real memory, the mem
driver will automatically give you uncached access.
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